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1764-UM001B-EN-P, MicroLogix™ 1500 Programmable Controllers

1. Cable Length Connections from to AIC External Power Power Supply Selection Required Switch Setting 1761 CBL AP00 45cm 17 7 in 1764 LRP processor channel 1 port2 yes external TST PERO LES SLC 5 03 or SLC 5 04 processors channel O port2 yes external MicroLogix 1000 or 1500 port 1 yes external PanelView 550 through NULL modem adapter port 2 yes external DTAM Plus DTAM Micro port 2 yes external PC COM port port2 yes external 1 External power supply required unless the AIC is powered by the device connected to port 2 then the selection switch should be set to cable y E qo mereri EHI q161 CBL HM02 g Cable Length Connections from to External Power Power Selection AIC Supply Required Switch Setting 1761 CBL AMOO 45cm 17 7 in MicroLogix 1000 or 1500 port2 no cable MEER anb to port 2 on another AIC port2 yes external 1 External power supply required unless the AIC is powered by the device connected to port 2 then the selection switch should be set to cable Publication 1764 UMO001 B EN P April 2002 Communication Connections 4 17
2. 761 CBL AM00 T 8 CBL HM02 m Cable Length Connections from to DNI 1761 CBL AMOO 45 cm 17 7 in MicroLogix 1000 port 2 1761 CBL HM02 2m 6 5 ft MicroLogix 1500 port 2 EE sum 1 E a Cable Length Connections from to DNI 1761 CBL AP00 45 cm 17 7 in SLC 5 03 or SLC 5 04 processors port 2 1761 CBL PM02 2m 6 5 ft channel 0 PC COM port port 2 1764 LRP processor channel 1 port 2 Publication 1764 UM001B EN P April 2002 Communication Connections 4 23 Connecting to Ethernet You can connect a MicroLogix 1500 to an Ethernet network using the Ethernet Interface END catalog number 1761 NET ENI For additional information on using the ENI refer to the Ethernet Interface User Manual publication 1761 UMO06 The following figure shows the external wiring connections of the ENI RS 232 Mini DIN ENI Port 2 Ethernet Port ENI Port 1 EXTERNAL m Ethernet Connections The Ethernet connector port 1 is an RJ45 10Base T connector The pin out for the connector is shown below Pin Pin Name 1 Tx Tx Re not used by 10Base T not used by 10Base T Rx
3. zm oe es A mm dE 761 CBL ACOO Ca i Cable Length Connections from to AIC External Power Power Selection Supply Required Switch Setting 1747 CP3 3m 9 8 ft 1764 LRP processor channel 1 port 1 yes external IPED EQUUM SEDET SLC 5 03 or SLC 5 04 processor channel 0 port 1 yes external PC COM port port 1 yes external PanelView 550 through NULL modem adapter port 1 yes external DTAM Plus DTAM Micro port 1 yes external Port 1 on another AIC port 1 yes external 1 External power supply required unless the AIC is powered by the device connected to port 2 then the selection switch should be set to cable PAM fE z E user supplied cable Cable Connections from External Power Power Selection AIC Supply Required Switch Setting straight modem or other communication device port1 yes external 9 25 pin 1 External power supply required unless the AIC is powered by the device connected to port 2 then the selection switch should be set to cable pf ao 1761 CBL AS03 Cable Length Connections from to AIC External Power Power Supply Selection Required Switch Setting 61 CBL ASO3 3m 9 8 ft SLC 500 Fixed port 3 yes external 61 CBL ASO9 9 5m 31 17 ft SLC 5 01 SLC 5 02 and SLC 5 03 processors PanelView 550 RJ45 port port 3 yes ext
4. 1 28 5 1 38 1 12 132 NOTE All dimensions 5 197 are in mm inches 122 640 2 Hole spacing 4 826 0 008 tolerance 0 4 mm 0 016 in Publication 1764 UM001B EN P April 2002 A 10 Specifications End Cap 118 This illustration shows the 4 65 in 1769 ECR right end cap For the 1769 ECL left end cap the drawing would be reversed A Dimensions are in mm inches Publication 1764 UM001B EN P April 2002 MicroLogix 1500 Replacement Kits Appendix B Replacement Parts This chapter contains the following information a table of MicroLogix 1500 replacement parts procedure for replacing the lithium battery illustrations of the MicroLogix 1500 replacement doors and terminal blocks The table below provides a list of replacement parts and their catalog number Description Lithium Battery See page B2 Catalog Number 1747 BA ESD Barrier 1764 RPL TRM1 Base Terminal Doors See page B 6 1764 RPL TDR1 Processor Access Door See page B 6 1764 RPL CDR1 Door Combination Kit includes ESD Barrier Terminal Door Access 1764 RPL DR Door Base Comms Door See page B 6 and Trim Pots Mode Switch Cover Door See page B 6 17 Point Terminal Block for inputs on 1764 24AWA and 24BWA 1764 RPL TB1 bases See page B 5 21 Point Terminal Block for inputs of 1764 28BXB and outputs for a
5. Access Tool Relay operation 7 5G panel mounted 5G DIN Rail mounted installed Non Operating 30G panel mounted 20G DIN Rail mounted Agency Certification e UL 508 e C UL under CSA C22 2 no 142 e Class I Div 2 Groups A B C D UL 1604 C UL under CSA C22 2 no 213 e CE compliant for all applicable directives e C Tick marked for all applicable acts Publication 1764 UM001B EN P April 2002 A 2 Specifications Publication 1764 UM001B EN P April 2002 Table A 1 General Specifications Description 1764 24BWA 1764 24AWA 1764 28BXB Electrical EMC The module has passed testing at the following levels e EN61000 4 2 4 kV contact 8 kV air 4 kV indirect EN61000 4 3 10 V m e EN61000 4 4 2 kV 5 kHz communications cable 1 kV 5 kHz e EN61000 4 5 communications cable kv galvanic gun 1 0 2 kV CM 1 kV DM Power Supply 1764 24AWA 1764 24BWA 4 kV CM 2 kV DM Power Supply 1764 28BXB 0 5 kV CM 0 5 kV DM e EN61000 4 6 10V communications cable 3V Terminal Screw Torque 1 13 Nm 10 in Ib rated 1 3 Nm 12 in Ib maximum Programming Software For 1764 LSP Series A Processors RSLogix 500 Version 3 01 09 or higher For 1764 LSP and 1764 LRP Series B Processors RSLogix 500 Version 4 00 00 or higher 1 Recommended storage conditions of the 1764 life is significantly shor emperature for maximum battery life 5 years typical with normal operating storage
6. The composition of the Trim Pot Information TPD Function File is described in the MicroLogix 1200 and MicroLogix 1500 Instruction Set Reference Manual publication 1762 RMO01 Error Conditions If the controller detects a problem error with either trim pot the last values read remain in the data location and an error code is put in the error code byte of the TPI file for whichever trim pot had the problem Once the problem error is corrected the error code is cleared The error codes are described in the MicroLogix 1200 and MicroLogix 1500 Instruction Set Reference Manual publication 1762 RMOOI The DAT is a convenient and simple tool that provides an interface for editing and monitoring data The DAT has five primary features provides direct access to 48 bit elements provides direct access to 48 integer elements provides two function keys displays controller faults allows removal insertion under power DAT Keypad and Indicator Light Functions The DAT has a digital display 6 keys an up down key and 7 indicator lights Their functions are described in the table on page 5 3 Allen Bradley PROTECTED ads Cds d C Gm Feature Digital Display Using Trim Pots and the Data Access Tool DAT 5 3 Function Displays address elements data values faults and errors Up Down Key Selects element numbers and change data values The up down key scrolls w
7. The input energizes when low level voltage is applied to the input terminal active low Connect the power supply VDC 4 to the DC COM terminal Wiring Your Controller 3 11 1764 24AWA Wiring Diagram Input Terminals e e e L2 f f f A ff NOT AC AC he INO IN2 m IN5 IN7 IN8 IN10 A 4 RN ea L1 4 4 4 n i L2 L1 NOT USED terminals are not intended for use as connection points Output Terminals e e L4 e e e Ca 5 l2 Lo vac vac VAC VAC VAC VAC NEUT VDC 0 voc 1 VDC2 VDC3 voc 4 OUT 5 OUT 7 OUT 8 OUT 10 120 240 EARTH VAC VAC GND OUTO OUT 1 OUT2 OUT 3 OUT 4 OUT6 n OUT OUT 11 Hi S t O e e e e e e Publication 1764 UM001B EN P April 2002 3 12 Wiring Your Controller 1764 24BWA Wiring Diagram with Sinking Inputs Input Terminals power DC Jina ins INA ING 2 ng iN QUE coMo COM 2 DC COM INO IN2 COM 1 IN5 IN7 IN8 IN 10 Output Terminals pd amp G VAC VAC VAC VAC VAC NEUT VDC 0 VDC 1 VDC 2 VDC 3 120 240 EARTH VAC VAC GN
8. Understanding the DAT Display When the DAT enters either the bit or integer mode the element number and its data are displayed as shown below The element number is either the integer or bit location Bit Mode Display Integer Mode Display e Allen Bradley Allen Bradley PROTECTED PROTECTED gt q d amp aodge E Gis C m Aere CG m C wm enre l bit element bit data integer integer data number e OFF 0 element 32 768 to 32 767 e 0 to 47 e ON 1 number e undefined e undefined e to 47 If the displayed element is defined in the controller s data file and is not protected the element number flashes indicating that it can be modified If the displayed element is protected the PROTECTED indicator light illuminates and the element number does not flash indicating that the element cannot be modified If the element is undefined the data field displays three dashes The element number does not flash because the element does not exist AB Allen Bradley PROTECTED QG v EDE Cd s C BIT C INT Center Publication 1764 UM001B EN P April 2002 5 6 Using Trim Pots and the Data Access Tool DAT Publication 1764 UM001B EN P April 2002 En
9. When connecting multiple cables to the DH 485 connector use the following diagram to Next Device Table 4 6 Connections using Belden 3106A Cable to Previous Device For this Wire Pair Connect this Wire To this Terminal Shield Drain Non jacketed Terminal 2 Shield Blue Blue Terminal 3 Common White Orange White with Orange Terminal 4 Data B Stripe Orange with White Terminal 5 Data A Stripe Table 4 7 Connections using Belden 9842 Cable For this Wire Pair Connect this Wire To this Terminal Shield Drain Non jacketed Terminal 2 Shield Blue White White with Blue Stripe Cut back no connection Blue with White Stripe Terminal 3 Common White Orange White with Orange Terminal 4 Data B Stripe Orange with White Terminal 5 Data A Stripe 1 To prevent confusion when ins immediately after the insulatio Grounding and Terminating the DH 485 Network alling the communication cable cut back the white with blue stripe wire n jacket is removed This wire is not used by DH 485 Only one connector at the end of the link must have Terminals 1 and 2 jumpered together This provides an earth ground connection for the shield of the communication cable Both ends of the network must have Terminals 5 and 6 jumpered together as shown below This connects the termination impedance of 120Q that is built into each AIC as required by the DH 485 specification Publica
10. 4800 9600 19 2K and 38 4K 1200 Parity Toggles between None Odd and Even None Termination 1 Specifies the first termination character The termination character defines the one or two character d sequence used to specify the end of an ASCII line received Setting the first ASCII termination character to undefined ff indicates no ASCII receiver line termination is used Termination 2 Specifies the second termination character The termination character defines the one or two Nf character sequence used to specify the end of an ASCII line received Setting the second ASCII Termination character to undefined Mf and the first ASCII Termination character to a defined value d indicates a single character termination sequence Control Line Toggles between No Handshaking Half Duplex Modem and Full Duplex Modem No Handshaking Delete Mode The Delete Mode allows you to select the mode of the delete character Toggles between Ignore Ignore CRT and Printer Delete Mode affects the characters echoed back to the remote device When Delete Mode is enabled the previous character is removed from the receive buffer e In CRT mode when a delete character is encountered the controller echos three characters to the device backspace space and backspace This erases the previous character on the terminal e n Printer Mode when a delete character is encountered the controller echos the slash character then the deleted character Enable th
11. Embedded Responses auto detect Duplicate Packet Message Detect enabled ACK Timeout 50 counts NAK retries 3 retries ENQ retries 3 retries Stop Bits 1 Publicat ion 1764 UM001B EN P April 2002 4 2 Communication Connections Communications Toggle Push Button Publication 1764 UM001B EN P April 2002 TIP The default configuration is present when The controller is powered up for the first time The communications toggle push button specifies default communications the DCOMM LED is on An OS upgrade is completed For more information about communications see Understanding Communication Protocols on page E 1 The Communications Toggle Push Button is located on the processor You must remove processor door or DAT to access the Communications Toggle Push Button Use the Communications Toggle Push Button to change from the user defined communication configuration to the default communications configuration and back The Default Communications DCOMM LED operates to show when the controller is in the default communications mode settings shown on page 4 1 COMMS DC INPUTS 2 oO bv E e e ea e e The Communication Toggle Push Button must be pressed and held for two seconds to activate gt The Communication Toggle Push Button only affects the communication configuration of Channel 0 Com
12. LIFO Last In First Out G 5 Publication 1764 UM001B EN P April 2002 4 Index lithium battery 1747 BA disposing B 4 handling B 3 installing B 2 manufacturer B 4 storing B 3 transporting B 3 logic G 5 low byte G 5 manuals related P 2 master control relay 2 8 master control relay MCR G 5 master control relay circuit periodic tests 2 5 memory module data file protection 6 4 program compare 6 4 program data backup 6 3 removal installation under power 6 1 6 5 Memory Module Information File 6 5 memory module real time clock installing 2 20 mnemonic G 5 Modbus communication protocol E 13 Modbus definition G 5 modem G 6 modem cable constructing your own 4 6 modems dialup phone E 4 leasedline E 4 line drivers E 5 radio E 5 using with MicroLogix controllers E 3 modes G 6 monitoring controller operation fault recovery procedure C 4 motor starters bulletin 509 surge suppressors 3 6 motor starters bulletin 709 surge suppressors 3 6 mounting dimensions 2 12 the controller 2 13 using DIN rail 2 14 Publication 1764 UM001B EN P April 2002 N negative logic G 6 network G 6 nominal input current G 6 normally closed G 6 normally open G 6 null modem cable 4 6 0 offline G 6 offset G 7 off state leakage current G 7 one shot G 7 online G 7 operating voltage G 7 output device G 7 output scan G 7 output specifications A 5 1764 28BXB FET A 5 P panel mounting base unit 2 16
13. No Is power supplied Check power to the controller Yes Refer to page C 2 for probable cause and recommended action Is an input LED accurately showing status No Yes See page C 2 for probable cause and recommended action Publication 1764 UM001B EN P April 2002 C 4 Troubleshooting Your System Identifying Controller Faults While a program is executing a fault may occur within the operating Publication 1764 UM001B EN P April 2002 system or your program When a fault occurs you have various options to determine what the fault is and how to correct it This section describes how to clear faults and provides a list of possible advisory messages with recommended corrective actions Automatically Clearing Faults You can automatically clear a fault by cycling power to the controller when the Fault Override at Power up bit S 1 8 is set in the status file You can also configure the controller to clear faults and go to RUN every time the controller is power cycled This is a feature that OEMs can build into their equipment to allow end users to reset the controller If the controller faults it can be reset by simply cycling power to the machine To accomplish this set the following bits in the status file e 2 1 8 Fault Override at Power up e S2 1 12 Mode Behavior If the fault condition still exists after cycling power the controller re enters the fault mode F
14. RTC 1764 MMIRTC and 1764 MMZRTC is 40 C to 40 C 40 F to 104 F Battery er at elevated temperatures 2 See Choosing a Power Supply on page A 2 Choosing a Power Supply This section contains information for selecting a power supply for applications using a 1764 28BXB base unit Use the tables in Appendix F to calculate the total power Watts consumed by the system With that information use the graphs below to chose a power supply You can use either current or power depending on how the power supply is rated Figure 1 1 Input Current Required Input Current Required at 24V dc Amperes 2 4 6 8 10 12 14 16 8 Power Consumption Watts Specifications A 3 Figure 1 2 Input Power Required 30 25 5 20 15 10 BOS a 0 2 4 6 8 10 12 14 16 18 Power Consumption Watts Table A 2 Input Specifications Description 1764 24AWA 1764 24BWA and 1764 28BXB Inputs 0 thru 7 Inputs 8 and Higher On State Voltage 79 to 132V ac 14 to 30 0V dc at 10 to 30 0V dc at Range 30 C 86 F 30 C 86 F 14 to 26 4V dc at 10 to 26 4V dc at 55 C 131 F 55 C 131 F Off State Voltage 0 to 20V ac 0 to 5V dc Range Operating Not Applicable 1 kHz to 20 kHz 1 kHz to 500 Hz Frequency On State Current e minimum e 5 0 mA at 79V ac e25mAat14Vdc 2 0 mA at 10V dc e nominal e120mAat 120V ac e7 3mA
15. hlstra e 22 D 74834 Elztal Dallau Germany Tel 49 6261 9410 Fax 49 6261 17741 Asia Pacific Rockwell Automation 55 Newton Road 11 01 02 Revenue House Singapore 307987 Tel 65 351 6723 Fax 65 355 1733 Publication 1764 UM001B EN P April 2002 PN 40072 091 01 2 Supersedes Publication 1764 UM001A US P April 2000 Copyright 2002 Rockwell Automation All rights reserved Printed in the U S A
16. result or the cells could overheat causing burns Do not open puncture crush or otherwise mutilate the batteries A possibility of an explosion exists and or toxic corrosive and flammable liquids would be exposed Do not incinerate or expose the batteries to high temperatures Do not attempt to solder batteries An explosion could result Do not short positive and negative terminals together Excessive heat can build up and cause severe burns Storing Store lithium batteries in a cool dry environment typically 20 C to 25 C 68 F to 77 F and 40 to 6096 humidity Store the batteries and a copy of the battery instruction sheet in the original container away from flammable materials Transporting One or Two Batteries Each battery contains 0 23 grams of lithium Therefore up to two batteries can be shipped together within the United States without restriction Regulations governing shipment to or within other countries may differ Publication 1764 UM001B EN P April 2002 B 4 Replacement Parts Publication 1764 UM001B EN P April 2002 Three or More Batteries Procedures for the transportation of three or more batteries shipped together within the United States are specified by the Department of Transportation DOT in the Code of Federal Regulations CFR49 Transportation An exemption to these regulations DOT E7052 covers the transport of certain hazardous materials classified as f
17. space 41501 to 41566 Read Write System Status File space Status S 2 words 0 to 65 For more information on the MicroLogix 1500 configuration parameters for Modbus Slave RTU Remote Terminal Unit transmission mode protocol refer to the MicroLogix 1200 and 1500 Programmable Controllers Instruction Set Reference Manual publication 1762 RMO001 For more information about the Modbus Slave protocol see the Modbus Protocol Specifications available from http www modicon com techpubs ASCII Protocol MicroLogix ASCII protocol provides connection to other ASCII devices such as 1500 1764 LSP and 1764 LRP bar code readers weigh scales serial printers and other intelligent devices Series B and later Processors only You can use ASCII protocol by configuring the RS 232 port channel 0 for ASCII driver For the 1764 LRP only you can select either Channel 0 or Channel 1 Publication 1764 UM001B EN P April 2002 E 14 Understanding Communication Protocols Refer to the MicroLogix 1200 and MicroLogix 1500 Programmable Controllers Instruction Set Reference Manual publication 1762 RM001 for detailed configuration information When the driver is set to ASCH the following parameters can be changed Table E 4 ASCII Channel Configuration Parameters Parameter Description Programming Software Default Baud Rate Toggles between the communication rate of 300 600 1200 2400
18. supporting Half Duplex communications between three or more modems Understanding Communication Protocols E 5 DH 485 Communication Protocol Radio Modems Radio modems may be implemented in a point to point topology supporting either Half Duplex or Full Duplex communications or in a multi drop topology supporting Half Duplex communications between three or more modems Line Drivers Line drivers also called short haul modems do not actually modulate the serial data but rather condition the electrical signals to operate reliably over long transmission distances up to several miles Line drivers are available in Full and Half Duplex models Allen Bradley s AIC Advanced Interface Converter is a Half Duplex line driver that converts an RS 222 electrical signal into an RS 485 electrical signal increasing the signal transmission distance from 50 to 4000 feet 8000 feet when bridged The information in this section describes DH 485 network functions network architecture and performance characteristics It will also help you plan and operate the MicroLogix controllers on a DH 485 network DH 485 Network Description The DH 485 protocol defines the communication between multiple devices that coexist on a single pair of wires DH 485 protocol uses RS 485 Half Duplex as its physical interface RS 485 is a definition of electrical characteristics it is not a protocol RS 485 uses devices that are capable of co existing on a
19. 1 11 POWER our COM 1 0 1 2 coma 1 5 1 7 1 8 1 10 9 1764 24BWA VAC VAC VAC VAC VAC 85 265 L2 VDC 0 VDC 1 VDC 2 VDC 3 VDC 4 0 5 0 7 0 8 O 10 24BWA Outputs VAC u Yoo on Lo ors 0 4 0 6 vies 079 o m Z c c c c c c A Do es s soe Da Group 0 Group 1 Group 2 Ag 11 v3 1 4 1 6 coiiz 1 9 1 11 Inputs USE 1 0 1 2 coma 1 5 1 7 1 8 1710 1764 24AWA VAC VAC VAC VAC VAC 65 205 L2 vDCo VDC1 voe2 VDC3 voe4 0 5 0 7 POMEROCH awa Outputs VAC 1 GY 010 0 1 TA 0 3 0 4 0 6 vbes o 19 o 11 A A A 2 D Group 0 Group 1 Group 2 NOT Inputs USED c mo P 1 3 p 1 6 c6 AT ATA USED 1 0 1 2 cOM 1 5 I 18 1 10 1 12 1 14 1764 28BXB MOREM x Outputs f4 vc COM voco EE 07 9 3 075 O 7 IRR O19 238xB av Yoro Yon oi Yora ors ef ors vbta 0 11 iot 2 e e Z ue 2 gt 2 ba E Publication 1764 UM001B EN P April 2002 3 10 Wiring Your Controller Sinking and Sourcing Input Circuits Publication 1764 UM001B EN P April 2002 Terminal Groupings Controller Inputs Input Group Common
20. 150V Maximum 24A 18A controler at 240V Maximum 20A 18A Table A 7 1764 28BXB FET Output Specifications Specification General High Speed Operation Operation Outputs 2 thru 7 Outputs 2 and 3 Only User Supply minimum 20 4V de 20 4V de Voltage maximum 26 4V de 26 4V de On State at maximum load 1V dc Not Applicable Voltage Drop current at maximum surge 2 5V dc Not Applicable current Current Rating maximum load 1A at 55 C 131 F 100 mA per Point 1 5A at 30 C 86 F minimum load 1 0 mA 10 mA maximum leakage 1 0 mA 1 0 mA Publication 1764 UM001B EN P April 2002 A 6 Specifications Publication 1764 UM001B EN P April 2002 Table A 7 1764 28BXB FET Output Specifications Specification General High Speed Operation Operation Outputs 2 thru 7 Outputs 2 and 3 Only Surge Current peak current 4 0A Not Applicable per Point maximum surge 10 msec Not Applicable duration maximum rate of once every second Not Applicable repetition at 30 C 86 F maximum rate of once every 2 Not Applicable repetition at 55 C seconds 131 F Current per maximum total 6A Not Applicable Common On State minimum 2 5mA at 14V de 2 0 mA at 10V dc Current Off State maximum 1 mA 1 mA Leakage Current Turn On Time maximum 0 1 msec 6 usec Turn Off Time maximum 1 0 msec 18 usec Repeatability maximum n a 2 usec Drift maximum n a usec per 5 C 1 usec per 9 F 1 O
21. 8 Through 15 1764 28BXB Maximum Filter Minimum Maximum Minimum Maximum Frequency at 50 Setting ON Delay ON Delay OFFDelay OFF Delay Duty Cycle kHz ms ms ms ms ms 1 000 0 500 0 090 0 500 0 020 0 500 0 500 1 000 0 500 1 000 0 400 1 000 0 250 2 000 1 100 2 000 1 300 2 000 0 125 4 000 2 800 4 000 2 700 4 000 0 063 8 000 5 800 8 000 5 300 8 000 0 031 16 000 11 000 16 000 10 000 16 000 1 This is the default setting Specifications A 5 MPORTANT The relay current must stay within the limits defined in Tables A 5 and A 6 Table A 5 Relay Contact Rating Table 1764 24AWA 24BWA 28BXB Maximum Amperes Amperes Voltamperes Tons Make Break fionunuous Make Break 240V ac 7 5A 0 75A 2 5A 1800VA 180VA 120V ac 15A 1 5A 125V dc 0 224 1 0A 28VA 24V dc 12A 2 0A 28VA 1 For de voltage app ications the make break ampere ating for relay contacts can be determined by dividing 28 VA by the applied dc voltage For example 28 VA 48V dc 0 58A For dc voltage applications less than 14V the make break ratings for relay contacts cannot exceed 2A rolled by the 1764 24AWA and 1764 24BWA is limited to 1440VA break 2 The total load con Table A 6 Output Specifications Maximum Continuous Relay Current Specification 1764 24AWA 1764 28BXB 24BWA Current per Common 8A 8A Current per at
22. Amps Publication 1764 UM001B EN P April 2002 F 6 System Loading and Heat Dissipation Figure F2 1769 PA2 Current with 24V dc User Load 0 2A 5V dc Load Amps o 0 0 00 01 02 03 04 05 08 07 08 09 1 0 24V dc Load Amps Figure F3 1769 PA2 Current with 24V dc User Load 0 25A 2 0 Valid Operating Range 0 5 5V dc Load Amps o 0 0 00 01 02 03 04 05 06 07 08 09 1 0 24V dc Load Amps System Using a 1769 PB2 To validate your system the total 5V dc current and 24V dc current consumed must be considered The I O modules must be distributed such that the current consumed from the left or right side of the power supply never exceeds 2A at 5V dc and 1 0A at 24V dc Use the current graph below to determine if the power supply loading in your system is within the allowable range Figure F 4 1769 PB2 Current 2 0 Valid Operating Range 0 5 5V dc Load Amps e 0 0 00 01 02 03 04 05 08 07 08 09 1 0 24V dc Load Amps Publication 1764 UM001B EN P April 2002 System Loading and Heat Dissipation F 7 System Using a 1769 PA4 To validate your system the tot
23. C 2 hardware C 2 identifying C 4 ESC key 5 3 European Union Directive compliance 2 1 executing mode G 3 expansion 1 0 hardware overview 1 6 F F1 Functions 5 7 F1 key 5 3 F2 Functions 5 F2 key 5 3 false G 3 fault recovery procedure C 4 fault routine C 4 faults automatically clearing C 4 identifying C 4 manually clearing using the fault routine FET output specifications 1764 28BXB A 5 FIFO First In First Out G 3 file G 3 full duplex G 3 G grounding the controller 3 6 H half duplex G 4 hard disk G 4 hardware features 1 1 hardware overview 1 1 hazardous location 2 3 heat protection 2 7 high byte G 4 housekeeping G 4 Index 3 I 1 0 G 4 identifying controller faults C 4 input device G 4 input scan G 4 input specifications A 3 input states on power down 2 6 inrush current G 4 installing ControlFlash software D 1 your controller 2 1 installing controller components compact I O 2 22 data access tool 2 19 memory module real time clock 2 20 processor 2 17 installing your base unit on DIN rail 2 15 using mounting screws 2 16 installion 2 17 instruction G 4 instruction set definition G 4 integer key 5 3 Integer Mode 5 6 isolated link coupler installing 4 12 isolation transformers power considerations 2 5 J jump G 5 K keypad 5 3 L ladder logic G 5 least significant bit LSB G 5 LED light emitting diode G 5 LEDs error with controller C 2 normal controller operation C 1 status C 1
24. EMC Generic Emission Standard Part 2 Industrial Environment e EN 50082 2 EMC Generic Immunity Standard Part 2 Industrial Environment This product is intended for use in an industrial environment Publication 1764 UM001B EN P April 2002 2 2 Installing Your Controller Installation Considerations Publication 1764 UM001B EN P April 2002 Low Voltage Directive This product is tested to meet Council Directive 73 23 EEC Low Voltage by applying the safety requirements of EN 61131 2 Programmable Controllers Part 2 Equipment Requirements and Tests For specific information required by EN 61131 2 see the appropriate sections in this publication as well as the following Allen Bradley publications Industrial Automation Wiring and Grounding Guidelines for Noise Immunity publication 1770 4 1 e Guidelines for Handling Lithium Batteries publication AG 5 4 e Automation Systems Catalog publication B111 Most applications require installation in an industrial enclosure Pollution Degree 2 to reduce the effects of electrical interference Over Voltage Category II and environmental exposure Locate your controller as far as possible from power lines load lines and other sources of electrical noise such as hard contact switches relays and AC motor drives For more information on proper grounding guidelines see the Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 ATTENTION Ve
25. O modules are required for the application remove the ESD barrier to install expansion I O modules A maximum of 16 I O modules may be connected to the base See page 1 7 for system requirements The I O module s current requirements and power consumption may further limit the number of modules connected to the base See System Loading and Heat Dissipation on page F 1 An end cap terminator catalog number 1769 ECR or 1769 ECL is required at the end of the group of I O modules attached to the base Using a DIN Rail The base unit and expansion I O DIN rail latches lock in the open position so that an entire system can be easily attached to or removed from the DIN rail The maximum extension of the latch is 15 mm 0 67 in in the open position A flat blade screw driver is required for removal of the base unit The base can be mounted to EN50022 35x7 5 or EN50022 35x15 DIN rails DIN rail mounting dimensions are shown below 2 ahh 5niY ELI I Y Oo DIN Rail Latch a Y Dimension Height A DIN latch open 138 mm 5 43 in DIN latch closed 118 mm 4 65 in B 47 6 mm 1 875 in C 47 6 mm 1 875 in DIN latch closed 54 7 mm 2 16 in DIN latch open Publication 1764 UMO001 B EN P April 2002 Installing Your Controller 2 15 To install your base unit on the DIN rail 1 Mount your DIN rail Make sure that the placeme
26. See Safety Considerations on page 2 3 for additional information Installing and Attaching the AIC 1 Take care when installing the AIC in an enclosure so that the cable connecting the MicroLogix 1500 controller to the AIC does not interfere with the enclosure door 2 Carefully plug the terminal block into the RS 485 port on the AIC you are putting on the network Allow enough cable slack to prevent stress on the plug 3 Provide strain relief for the Belden cable after it is wired to the terminal block This guards against breakage of the Belden cable wires Powering the AIC In normal operation with a MicroLogix programmable controller connected to port 2 of the AIC the controller powers the AIC Any AIC not connected to a MicroLogix controller requires a 24V dc power source The AIC requires 120 mA at 24V dc If both the controller and external power are connected to the AIC the power selection switch determines what device powers the AIC ATTENTION If you use an external power supply it must be 24V dc Permanent damage results if higher voltage is used Communication Connections 4 21 Set the DC Power Source selector switch to EXTERNAL before connecting the power supply to the AIC The following illustration shows where to connect external power for the AIC 24VDC AA Bottom View NEUT X CHS AA AN X enp 4 ATTENTION Always connect the CHS GND chassi
27. Terminal Input Terminal 1764 24BWA Group 0 DC COM 0 1 0 through 1 3 Group 1 DC COM 1 1 4 through 7 Group 2 DC COM 2 1 8 through 1 11 1764 24AWA Group0 AC COM 0 1 0 through 1 3 Group 1 AC COM 1 1 4 through 1 7 Group 2 AC COM 2 1 8 through 1 11 1764 28BXB Group 0 DC COM 0 1 0 through 1 3 Group 1 DC COM 1 1 4 through 7 Group 2 DC COM 2 1 8 through 1 15 Controller Outputs Output Group Voltage Terminal Output Terminal 1764 24BWA Group 0 VAC VDC 0 0 0 Group 1 VAC VDC 1 0 1 Group 2 VAC VDC 2 0 2 Group 3 VAC VDC 3 0 3 Group 4 VAC VDC 4 0 4 through 0 7 Group 5 VAC VDC 5 0 8 through 0 11 1764 24AWA Group 0 VAC VDC 0 0 0 Group 1 VAC VDC 1 0 1 Group 2 VAC VDC 2 0 2 Group 3 VAC VDC 3 0 3 Group 4 VAC VDC 4 0 4 through 0 7 Group 5 VAC VDC 5 0 8 through 0 11 1764 28BXB Group 0 VAC VDC 0 0 0 Group 1 VAC VDC 1 0 1 Group 2 VDC 2 VDC COM 2 0 2 through 0 7 Group 3 VAC VDC 3 0 8 and 0 9 Group 4 VAC NDC 4 0 10 and 0 11 Any of the MicroLogix 1500 DC embedded input groups can be configured as sinking or sourcing depending on how the DC COM is wired on the group See pages 3 12 through 3 15 for sinking and sourcing wiring diagrams Type Definition Sinking Input connection of a PNP sourcing device The input energizes when high level voltage is applied to the input terminal active high Connect the power supply VDC to the DC COM terminal Sourcing Input connection of an NPN sinking device
28. The procedure in this publication consists of Selecting System Devices Verifying the System Loading Publication 1764 UM001B EN P April 2002 F 2 System Loading and Heat Dissipation Selecting System Devices 1 Use Table F 1 to select the processor and optional communications or display devices Enter a 1 in the Select Devices column Enter the current draw values in the Calculated Current for System columns If an external power supply will be used to power communication devices do not include their current draw values in this calculation Add up the current draw values to determine the SUBTOTAL1 values Table F1 Selecting Hardware Base Unit and Communications Display Devices Catalog Number Select Bus Current Draw Specification Calculated Current for System Device s at5V dc mA at 24V dc mA at bV dc mA at 24V dc mA Choose a Processor LSP or LRP 1764 LSP 300 0 1764 LRP 380 0 1764 DAT optional 350 0 Communications Displa y Devices optional one only maximum 1761 NET AICU 0 1207 1761 NET ENI 0 1002 2707 MVH232 or 0 ag 2707 MVP232 1 These are optional accessories Current is consumed only if the accessory is installed 2 Current for the AIC and ENI may be supplied by controller communications port or from an external 24V dc source No current is consumed SUBTOTALT A1 B1 from the controller when a us
29. This connection must be made for safety purposes Wiring Your Controller 3 7 This product is intended to be mounted to a well grounded mounting surface such as a metal panel Refer to the Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 for additional information Additional grounding connections from the mounting tabs or DIN rail if used are not required unless the mounting surface cannot be grounded You must also provide an acceptable grounding path for each device in your application It is recommended to use all four mounting positions for panel mounting installation gt Grounding Stamping 000000000 Grounding Stamping 7 b U L D This symbol denotes a protective earth ground terminal which provides a low impedance path p between electrical circuits and earth for safety purposes and provides noise immunity improvement This connection must be made for safety purposes Remove the protective debris strips before applying ATTENTION j power to the controller Failure to remove the strips may cause the controller to overheat Publication 1764 UM001B EN P April 2002 3 8 Wiring Your Controller Wiring Diagrams Publication 1764 UM001B EN P April 2002 This section shows the wiring diagrams for the MicroLogix 1500 controllers Controllers with dc inputs can be wired as either
30. Throughout this publication notes may be used to make you aware of safety considerations The following annotations and their accompanying statements help you to identify a potential hazard avoid a potential hazard and recognize the consequences of a potential hazard Identifies information about practices or circumstances that can cause an explosion in a hazardous environment which may lead to personal injury or death property damage or economic loss ATTENTION Identifies information about practices or circumstances that can lead to personal injury or death property damage or economic loss IMPORTANT Identifies information that is critical for successful application and understanding of the product MicroLogix Compact I O and RSLogix are trademarks of Rockwell Automation Summary of Changes The information below summarizes the changes to this manual since the last printing To help you find new and updated information in this release of the manual we have included change bars as shown to the right of this paragraph The table below lists the sections that document new features and additional or updated information on existing features For this information See Series C support for up to 16 expansion I O Chapter 1 modules List of controller series OS FRN numbers Page 1 5 and RSLogix versions Updated list of recommended surge Page 3 6 suppressors Ethernet Connectiv
31. and T9A1 NA Not Applicable Important DH 485 Network Planning Considerations Carefully plan your network configuration before installing any hardware Listed below are some of the factors that can affect system performance network environment number of devices on the network type of process being controlled network configuration amount of electrical noise temperature and humidity in the connection and grounding quality in installation amount of communication traffic on the network The major hardware and software issues you need to resolve before installing a network are discussed in the following sections Publication 1764 UM001B EN P April 2002 Understanding Communication Protocols E 9 Hardware Considerations You need to decide the length of the communication cable where you route it and how to protect it from the environment where it will be installed When the communication cable is installed you need to know how many devices are to be connected during installation and how many devices will be added in the future The following sections will help you understand and plan the network Number of Devices and Length of Communication Cable The maximum length of the communication cable is 1219m 4000 ft This is the total cable distance from the first node to the last node in a segment However two segments can be used to extend the DH 485 network to 2438m 8000 ft for additiona
32. base unit is spaced properly see Controller Spacing on page 2 12 Drill holes through the template Remove the mounting template Mount the base unit Leave the protective debris strips attached until you are finished wiring the base unit and any other devices Installing Your Controller 2 17 Installing Controller Components Prevent Electrostatic Discharge ATTENTION Electrostatic discharge can damage integrated circuits or semiconductors if you touch bus connector pins Follow these guidelines when you handle any module Touch a grounded object to discharge static potential Wear an approved wrist strap grounding device Do not touch the bus connector or connector pins Do not touch circuit components inside the module If available use a static safe work station When not in use keep the module in its static shield bag ATTENTION Processor Be sure the base unit is free of all metal fragments before removing protective debris strips and installing the processor unit Failure to remove strips before operating can cause overheating Publication 1764 UM001B EN P April 2002 2 18 Installing Your Controller 1 Be sure base unit power is off 2 Slide the processor into the base unit using the guide rails for alignment 3 Push until a click is heard Be careful not to push on the connector when installing the 1764 LRP processor IMPORTANT iis critical that the proc
33. bit A location reserved for internal use retentive data Information data that is preserved through power cycles RS 232 An EIA standard that specifies electrical mechanical and functional characteristics for serial binary communication circuits run mode An executing mode during which the controller scans or executes the logic program rung A rung contains input and output instructions During Run mode the inputs on a rung are evaluated to be true or false If a path of true logic exists the outputs are made true energized If all paths are false the outputs are made false de energized RTU Remote Terminal Unit save To save a program to a computer hard disk scan The scan is made up of four elements input scan program scan output scan and housekeeping scan time The time required for the controller to complete one scan sinking A term used to describe current flow between two devices A sinking device provides a direct path to ground Publication 1764 UM001B EN P April 2002 Glossary 10 Publication 1764 UM001B EN P April 2002 sourcing A term used to describe current flow between two devices A sourcing device or circuit provides a power status The condition of a circuit or system terminal A point on an I O module that external devices such as a push button or pilot light are wired to throughput The time between when an input turns on and a corresponding output turns on
34. flashes if it is not protected 4 Use the up down key to change the data Bit values toggle between ON and OFF Integer values increment or decrement Holding down the up down key causes the integer value to increment or decrement quickly TIP If the data is protected or undefined pressing the up down key scrolls to the next element in B the list Using Trim Pots and the Data Access Tool DAT 5 7 5 Press ENTER to load the new data Press ESC or INT BIT to discard the new data F1 and F2 Functions The function keys F1 and F2 correspond to bits and can be used throughout the control program as desired They have no effect on bit or integer monitoring Each key has two corresponding bits in the DAT function file The bits within the DAT function file are shown in the table below Key Bits Address Data Format Type User Program Access F1 Key Pressed DAT 0 F1P Binary Status Read Write Latched DATO F1L Binary Status Read Write F2 Key Pressed DAT 0 F2P Binary Status Read Write Latched DAT 0 F2L Binary Status Read Write F1 or F2 Key Pressed The pressed bits DAT 0 F1P and DAT 0 F2P function as push buttons and provide the current state of either the F1 or F2 key on the keypad When the F1 or F2 key is pressed the DAT sets 1 the corresponding pressed key bit When the F1 or F2 key is not pressed the DAT clears 0 the corresponding pressed key bit F1 or F2 Key Latched The
35. for 1 second 75V dc Working Voltage IEC Class 2 reinforced insulation FET Output Group to Backplane Isolation and FET Outputs Group to Group Verified by one of the following dielectric tests 1200V ac for 1 second or 1697V dc for 1 second 75V dc Working Voltage IEC Class 2 reinforced insulation Relay Output Group to Backplane Isolation Verified by one of the following dielectric tests 1836V ac for 1 second or 2596V dc for 1 second 265V Working Voltage IEC Class 2 reinforced insulation Relay Output Group to Relay and FET Output Group Isolation Verified by one of the following dielectric tests 1836V ac for 1 second or 2596V dc for 1 second 265V Working Voltage basic insulation 150V Working Voltage IEC Class 2 reinforced insulation Transistor Output Transient Pulses Refer to page 3 16 for Transistor Output Transient Pulses Specifications A 9 Controller Dimensions See page 2 12 for Base Unit Mounting Dimensions e 168 mm 35 mm 6 62 in 1 38 in 147 mm 35 mm 5 79 in 1 38 in 0000 noon 132 mm 5 19 in 122 6 mm 4 83 in gt lt 118 mm 4 65 in o00000000 eO AE 13 5 mm 14 7 mm 0 53 in 0 58 in Compactl 0 Dimensions Panel Mounting For more than 2 modules number of modules 1 X 35 mm 1 38 in 4 Refer to host controller for this dimension
36. for information on protecting data files during download Using Real Time Clock and Memory Modules 6 5 Memory Module Write Protection The memory module supports write once read many behavior Write protection is enabled using your programming software TTTTAETREE Once set write protection cannot be removed A change cannot be made to the control program or data stored in a write protected memory module If a change is required you must use a different memory module Removal Insertion Under Power The memory module can be installed or removed at any time without risk of damage to either the memory module or the controller If a memory module is installed while the MicroLogix 1500 is executing the memory module will not be recognized until either a power cycle occurs or until the controller is placed in a non executing mode program mode or fault condition Memory Module Information File The controller has a Memory Module Information MMD File which provides status from the attached memory module At power up or on detection of a memory module being inserted the catalog number series revision and type memory module and or real time clock are identified and written to the MMI file If a memory module and or real time clock is not attached zeros are written to the MMI file Refer to the MicroLogix 1200 and MicroLogix 1500 Instruction Set Reference Manual publication 1762 RMOOI for more information Publication 1764
37. integrity and hermetic seal Replacement Parts B 5 Replacement Terminal Blocks For disposal batteries must be packaged and shipped in accordance with transportation regulations to a proper disposal site The U S Department of Transportation authorizes shipment of Lithium batteries for disposal by motor vehicle only in regulation 173 1015 of CFR 49 effective January 5 1983 For additional information contact U S Department of Transportation Research and Special Programs Administration 400 Seventh Street S W Washington D C 20590 Although the Environmental Protection Agency at this time has no regulations specific to lithium batteries the material contained may be considered toxic reactive or corrosive The person disposing of the material is responsible for any hazard created in doing so State and local regulations may exist regarding the disposal of these materials For a lithium battery product safety data sheet contact the manufacturer Sanyo Energy Corporation Tadarand Electronic Industries 2001 Sanyo Avenue 2 Seaview Blvd San Diego CA 92173 Port Washington NY 11050 619 661 4801 516 621 4980 This figure illustrates how to replace the MicroLogix 1500 terminal blocks Catalog Numbers e 1764 RPL TB1 17 point terminal block e 1764 RPL TB2 21 point terminal block Publication 1764 UM001B EN P April 2002 B 6 Replacement Parts Replacement Doors The following figures illus
38. number of modules 4 77W x 1769 0F2 Series B 2 52W x number of modules 2 52W x 1769 0V16 2 06W x number of modules 2 06W x 1769 0W8 2 83W x number of modules 2 83W x 1769 0W8l 2 83W x number of modules 2 83W x 1769 0W16 4 75W x number of modules 4 75W x 1769 SDN 3 8W x number of modules 3 8W x Publication 1764 UM001B EN P April 2002 F 10 System Loading and Heat Dissipation Publication 1764 UM001B EN P April 2002 Glossary The following terms are used throughout this manual Refer to the Allen Bradley Industrial Automation Glossary Publication Number AG 7 1 for a complete guide to Allen Bradley technical terms address A character string that uniquely identifies a memory location For example I 1 0 is the memory address for data located in Input file word 1 bit 0 AIC Advanced Interface Converter A device that provides RS 232 isolation to an RS 485 Half Duplex communication link Catalog Number 1761 NET AIC application 1 A machine or process monitored and controlled by a controller 2 The use of computer or processor based routines for specific purposes baud rate The speed of communication between devices Baud rate is typically displayed in K baud For example 19 2K baud 19 200 bits per second bit The smallest unit of memory used in discrete or binary logic where the value 1 represents ON and 0 represents OFF block diagrams A method used to illustrate logic components or a sequence of e
39. point modem connections that require RTS CTS handshaking use DF1 Half Duplex slave protocol TTTIAEYWRA Never attempt to use DH 485 protocol through modems under any circumstance TIP All MicroLogix controllers support RTS CTS modem handshaking when configured for DF1 Full Duplex protocol with the control line parameter set to P Full Duplex Modem Handshaking or DF1 Half Duplex slave protocol with the control line parameter set to Half Duplex Modem No other modem handshaking lines i e Data Set Ready Carrier Detect and Data Terminal Ready are supported by any MicroLogix 1500 controllers MicroLogix 1500 1764 LRP processors also support DCD Data Carrier Detect Dial Up Phone Modems Some dial up phone line modems support point to point Full Duplex communications A MicroLogix 1500 controller on the receiving end of the dial up connection can be configured for DF1 Full Duplex protocol with or without handshaking The modem connected to the MicroLogix controller should support auto answer The MicroLogix 1500 Series B processors 1764 LSP and 1764 LRP support ASCII out communications There fore they can cause the modem to initiate or disconnect a phone call Leased Line Modems Leased line modems are used with dedicated phone lines that are typically leased from the local phone company The dedicated lines may be in a point to point topology supporting Full Duplex communications between two modems or in a multi drop topology
40. sinking or sourcing configuration Sinking and sourcing does not apply to ac inputs See pages 3 12 through 3 15 for sinking and sourcing wiring diagrams TIP This symbol denotes a protective earth ground terminal which provides a low impedance path p between electrical circuits and earth for safety purposes and provides noise immunity improvement This connection must be made for safety purposes Miswiring 1764 28BXB Only The following table shows miswiring conditions and the consequences of improper wiring Condition Operating with Voltage Less than 20 4V dc Reverse Wiring of the Line Terminals 0 to 30V dc Result This will not damage the base unit The base unit may not power up This is not recommended You must IMPORTANT verify that the line voltage remains within specified limits Reverse wiring will not damage the base unit The base unit will not power up Applied Voltage Level Exceeds the Published Recommended Value i e applying 120V ac to 240V ac Exceeding the published recommended voltage may result in permanent damage to the base unit Wiring Your Controller 3 9 Terminal Block Layouts The base unit terminal block layouts are shown below The shading on the labels indicates how the terminals are grouped A detail of the groupings is shown in the table following the terminal block layouts Group 0 Group 1 Group 2 T 24V cto 1 1 uu 1 6 coz 1 9
41. test the DAT reads the DAT function file to determine its configuration Publication 1764 UM001B EN P April 2002 5 4 Using Trim Pots and the Data Access Tool DAT Publication 1764 UM001B EN P April 2002 DAT Function File DAT configuration is stored in the processor in a specialized configuration file called the DAT Function File The DAT Function File which is part of the user s control program is described in the MicroLogix 1200 and MicroLogix 1500 Instruction Set Reference Manual publication 1762 RMO001 Following a successful power up sequence the DAT enters the bit monitoring mode Allen Bradley PROTECTED gt ads Q Cs d m C m Cleo Power Save Timeout PST Parameter The power save timeout turns off the DAT display after keypad activity has stopped for a user defined period of time The power save DAT 0 PST value is set in the DAT Function File The valid range is 0 to 255 minutes The power save feature can be disabled by setting the PST value to 0 which keeps the display on continuously The default value is 0 In power save mode a dash flashes in the left most segment of the display Press any key except F1 or F2 to return the DAT to its previous mode If F1 or F2 is pressed the DAT will change the value of the F1 or F2 status bits but the display remains in power save mode Using Trim Pots and the Data Access Tool DAT 5 5
42. the battery may fail within 14 days and the real time clock module needs to be replaced When the battery low indicator bit is clear 0 the battery level is acceptable or a real time clock is not attached If the RTC battery is low and the controller is powered the RTC operates normally If the controller power is removed and the RTC battery is low RTC data may be lost Using Real Time Clock and Memory Modules 6 3 Memory Module Operation Use the Disable Clock button in your programming device to disable the real time clock before storing a module This decreases the drain on the battery during storage Table 6 1 RTC Battery Life Expectancy Battery State Temperature Time Duration Operating 0 C to 40 C 32 F to 104 F 5 years Storage 40 C to 25 C 40 F to 77 F 5 years minimum 26 C to 60 C 79 F to 140 F 3 years minimum 1 The operating life of the battery is based on 6 months of storage time before the real time clock is used Operating with a low battery indication for more ATTENTION ATTENTION than 14 days may result in invalid RTC data if controller power is lost The memory module supports program back up as well as the following features User Program and Data Back Up Program Compare Data File Download Protection Memory Module Write Protection e Removal Insertion Under Power User Program and Data Back Up The memory module provides a simple and flex
43. the on state load current The duration of the transient pulse is reduced when the on state load current is increased or the load impedance is decreased Wiring Your Controller 3 17 Transient Pulse Duration as a Function of Load Current Time Duration of Transient ms 0 0 1 100 200 300 400 500 600 700 800 900 1000 On State Load Current mA Publication 1764 UM001B EN P April 2002 3 18 Wiring Your Controller Publication 1764 UM001B EN P April 2002 Default Communication Configuration Communication Connections Chapter 4 This chapter describes how to set up communications for your control system The method you use and cabling required depend on your application This chapter also describes how the controller establishes communication with the appropriate network Topics include Default Communication Configuration Communications Toggle Push Button Connecting to the RS 232 Port Connecting to a DH 485 Network Connecting to DeviceNet Connecting to Ethernet ATTENTION use the same protocol All devices communicating within a network must The MicroLogix 1500 has the following default communication configuration Table 4 1 DF1 Full Duplex Configuration Parameters Parameter Default Baud Rate 19 2K Parity none Source ID Node Address 1 Control Line no handshaking Error Detection CRC
44. 1 Connection PanelView PanelView 550 1761 CBL AS09 or 1761 CBL AS03 RJ45 port MicroLogix 1500 with 1764 LRP Processor 4 1747 CP3 or ILL i3 1761 CBL ACOO 1761 CBL ACOO Networked Operator Interface Device and MicroLogix Controllers AIC AIC i SLC 5 04 PanelView 550 DH 485 Network alien AIC AIC AIC AIC s e B oF 5 Personal ls E ZB eE Tm i g um Computer 5 i ig MicroLogix 1000 MicroLogix 1200 mi MicroLogix 1500 EEN Publication 1764 UM001B EN P April 2002 4 12 Communication Connections Publication 1764 UM001B EN P April 2002 DH 485 Configuration Parameters When MicroLogix communications are configured for DH 485 the following parameters can be changed Table 4 4 DF1 Full Duplex Configuration Parameters Parameter Options Baud Rate 9600 19 2K Node Address 1 to 31 decimal Token Hold Factor 1to4 See Software Considerations on page E 10 for tips on setting the parameters listed above Recommended Tools To connect a DH 485 network you need tools to strip and attach
45. 18 20 24V Bus Load Amps Publication 1764 UM001B EN P April 2002 System Loading and Heat Dissipation F 9 Calculating Heat Dissipation Catalog Number Use this procedure when you need to determine the heat dissipation for installation in an enclosure Use the following table Heat Dissipation Add Subtotals to determine Heat Dissipation Equation or Constant Calculation Subtotal 1764 24AWA 18W 0 3 x System Loading 18W 03x W 1764 24BWA 20W 0 3 x System Loading 20W 0 3x_ W 1764 28BXB 20W 0 3 x System Loading 20W 0 3x_ W 1764 DAT 1 75W 1769 HSC 6 21W x number of modules 6 21W x 1769 IA16 3 30W x number of modules 3 30W x 1769 IA8l 1 81W x number of modules 1 81W x 1769 IF4 Series A 3 99W x number of modules 3 99W x 1769 IF4 Series B 2 63W x number of modules 2 63W x 1769 IFAXOF2 3 03W x number of modules 3 03W x 1769 IM12 3 65W x number of modules 3 65W x 1769 1016 3 55W x number of modules 3 55W x 1769 I06X0W4 2 75W x number of modules 2 75W x 1769 IR6 1 50W x number of modules 1 50W x 1769 IT6 1 50W x number of modules 1 50W x 1764 LSP 1 5W 1764 LRP 1 9W 1764 MM1 RTC MM1 RTC 0 1769 0A8 2 12W x number of modules 2 12W x 1769 0A16 4 9W x number of modules 4 9W x 1769 0B16 2 11W x number of modules 2 11W x 1769 0B16P 2 69W x number of modules 2 69W x 1769 OF2 Series A 4 77W x
46. 6 5 Memory Module Information File 6 5 Appendix A Controller Specifications L4 uod petty ok qe a dde UN AGERE A 1 Choosing a Power Supply oa peewee e RR ps A 2 Transistor Output Transient Pulses A 8 Controller Dimensions quee Aba x un doe RO A 9 Compact I O Dimensions 4 5 aC eR d A 9 Panel MOUBDE Sese V ede tr de t a LC S A 9 3 0a Oe IPRC eae Re ee eR ee mee Se A 10 Appendix B MicroLogix 1500 Replacement Kits wv ree B 1 Lithium Battery 1747 BA o detta s 4 t a petras B 2 TASS D HD o c doe ise 9 dart cs Beh o Eie DT e Docs B 2 Battery Handling d dee Ea o Cb Se CR B 3 OUOTITID qoo Roe d eee Rode abesse ecd e etes s B 3 Transporting RN REIR EFE PM oe de te Hed ap eG AO B 3 Disposing v ues rore sx enda wh B RE TP ae feu B 4 Replacement Terminal Blocks to vs sewers SC EACH Cd B 5 Replacement DOOTS uus eoe tlbi AB 49g Gunde axed ePi B 6 Base Terminal Door 1764 RPL TDR1 B 6 Processor Access Door 1764 RPL CDR1 B 6 Base Comms Door included in 1764 RPL DR isses B 6 Trim Pots Mode Switch Cover Door Gncluded in 1764 RPL DR 4 vx wy ee ERA ES B 6 Appendix C Understanding Controller LEDS 1 53 462 e ot Rs C 1 When Operating Normally 4463545 VY sess dees C 2 When an Error Exists yd VER EC OL e RE ER C 2 Controller Error Recovery Model 005 C 3 Identifying Controller Faults 4 a9 acce eee eee d C 4 Automatically Clearing Faults 4 sea te rs
47. 9 O 5 3 a SHLD 2 4 CHS GND 2 The 8 pin mini DIN connector is not commercially available Table 4 9 AIC Terminals Pin Port 1 DB 9RS 232 port 2 2 Port 3 RS 485 Connector 1 received line signal 24V de chassis ground detector DCD 2 received data RxD ground GND cable shield 3 transmitted data TxD request to send RTS signal ground 4 DTE ready DTR received data RxD DH 485 data B 5 signal common GND received line signal detector DCD DH 485 data A DCE ready DSR clear to send CTS termination 7 request to send RTS transmitted data TxD not applicable 8 clear to send CTS ground GND not applicable 9 not applicable not applicable not applicable of pin 6 On port 1 pin 4 is electronically jumpered to pin 6 Whenever the AIC is powered on pin 4 will match the state 2 An8 pin mini DIN connector is used for making connections to port 2 This connector is not commercially available Publication 1764 UM001B EN P April 2002 4 20 Communication Connections Publication 1764 UM001B EN P April 2002 Safety Considerations This equipment is suitable for use in Class I Division 2 Groups A B C D or non hazardous locations only WARNING EXPLOSION HAZARD This product must be installed in an enclosure All cables connected to the product must remain in the enclosure or be protected by conduit or other means
48. AT Keypad and Indicator Light Functions 5 2 Power Up Operation bu i e deed doe o ced 5 3 DAT Funcion Pile ee orena oa od ow A 5 4 Power Save Timeout PST Parameter 5 4 Understanding the DAT Display 5 5 Entering Bit Modes 25s 2 enc a ehh oR ey 5 6 Entering Integer Mode n naana dE NI EET 5 6 Monitoring and Editing oaaao aaa 5 6 F1 and F2 Functions uds Sip eru swe hae de Reda t 5 7 Working Screen Operation 205 ake akan aa 5 7 Non Fxistent Elements onana 5 8 Contr llet Faults 2d os el ee Ride eS e aet S 5 8 Error Conditions sd aque v doleo d soe RR OP nk hoes 5 9 Chapter 6 Real Time Clock Operation 4 icai ewe eee wesw ets 6 1 Removal Insertion Under Power 05 6 1 Real Time Clock Function File 4 6 1 Accuracy DS rar a ae dei VEL OT Cte Oe ae OE career E 6 2 Writing Data to the Real Time Clock 6 2 RTC Battery Operations aa d oa d deci e dei e d d 6 2 Memory Module Operation 00000000 eae 6 3 User Program and Data Back Up 4 6 3 Program Compares sex beu Yr RC BG EORR 6 4 Publication 1764 UM001B EN P April 2002 Table of Contents viii Specifications Replacement Parts Troubleshooting Your System Publication 1764 UM001B EN P April 2002 Data File Download Protection a0 uy aote eae xh 6 4 Memory Module Write Protection 6 5 Removal Insertion Under Power 0 0 0 0 0005
49. Allen Bradley MicroLogix 1500 Programmable Controllers Bulletin 1764 User Manual e ee ie ee LA I on me ee Rockwell Automation Important User Information Because of the variety of uses for the products described in this publication those responsible for the application and use of this control equipment must satisfy themselves that all necessary steps have been taken to assure that each application and use meets all performance and safety requirements including any applicable laws regulations codes and standards The illustrations charts sample programs and layout examples shown in this guide are intended solely for purposes of example Since there are many variables and requirements associated with any particular installation Allen Bradley does not assume responsibility or liability to include intellectual property liability for actual use based upon the examples shown in this publication Allen Bradley publication SGI 1 1 Safety Guidelines for the Application Installation and Maintenance of Solid State Control available from your local Allen Bradley office describes some important differences between solid state equipment and electromechanical devices that should be taken into consideration when applying products such as those described in this publication Reproduction of the contents of this copyrighted publication in whole or part without written permission of Rockwell Automation is prohibited
50. C 4 Manually Clearing Faults Using the Fault Routine C 4 Fault MISSBACOS A oe die D oc Ree od Pte on A RIED Ao C 5 Calling Rockwell Automation for Assistance C 5 Upgrading Your Operating System Understanding Communication Protocols System Loading and Heat Dissipation Table of Contents ix Appendix D Preparing for Upgrade jc asses 84 Sides Hl Pelee Gok D 1 Performing the Upgrade i va suu eve wea he a de Rs D 2 Missing Corrupt OS LED Pattern 004 D 2 Appendix E RS 232 Communication Interface ssa dm pe s E 1 DF1 Full Duplex Protocol 45 042231 2 e ERU e cet E 1 DEIBHa3Dpuplex PEOIOCOl 12229 Rex a vens rit osos E 2 DEI Hall Duplex Operation ase RET X CEN SS E 2 Considerations When Communicating as a DF1 Slave on a Multi drop Link o2 4 oa roe oer eoe E 3 Using Modems with MicroLogix 1500 Programmable Controllers o o naaa eret PR E 3 Dial Up Phone Modems oonan ute ttes E 4 Leased Line Modems ve eor oa AE ee do E 4 Radio Modetis sese 23 peo RGA a ESE ES ES REELED ES E 5 ENE DEVES Soeur dece CUR Ste nee e Pats id wee Gey E 5 DH 485 Communication Protocol isses E 5 DH 485 Network Description lille E 5 DH 485 Token Rotation l l E 6 DH 485 Configuration Parameters E 6 Devices that Use the DH 485 Network E 7 Important DH 485 Network Planning Considerations E 8 Modbus RTU Slave Communication Protocol MicroLogix 1764 L
51. D OUT 0 OUT 1 OUT 2 OUT 3 OUT 4 OUT 6 voc 5 OUT 8 OUT 11 VAC VDC 4 OUT 5 OUT 7 OUT 8 OUT 10 11 1OS s e e Publication 1764 UM001B EN P April 2002 Wiring Your Controller 3 13 1764 24BWA Wiring Diagram with Sourcing Inputs Input Terminals j CORR aal DC IN N4 ING DC IN9 IN1 FOIE GONE COM 2 l DC COM INO IN2 COM 1 INS IN7 IN8 IN 10 Output Terminals E amp 5G vac vac vAC vacy VAC vacy NEUT VDC 0 VDC 1 VDC 2 voc 3 voc 4 OUT 5 OUT 7 OUT 8 OUT 10 120 240 EARTH VAC VAC GND OUT 0 OUT 1 OUT 2 OUT 3 OUT 4 OUT 6 VDC 5 OUT 9 OUT 11 m L1 E Publication 1764 UM001B EN P April 2002 3 14 Wiring Your Controller 1764 28BXB Wiring Diagram with Sinking Inputs Input Terminals DC E Pad NOT DC DC eat IN3 IN4 ns DC a n m IN 15 NOT DC ELT N2 gag NS 7 we wr IN 12 IN 14 TT pe NOT USED terminals are not intended for use as connection points Output Terminals FET Outputs Are So
52. G Symbols i s 44 es XE TES 3 Schematic Using ANSI CSA Symbols Base Unit Mounting Dimensions C ntroller Spacing ox verra vU XS bok ERE Sek YEA OES ESS Mounting the Controller 4 cese Heard gray ere arate G Using a DIN Rail imd eres Se dud ees Base Unit Panel Mounting 4 oot c aep veh oia Installing Controller Components lisse Prevent Electrostatic Dischatge sss es PfOCOSSOT n na Mu ne M MEUS I eb eo ode Data Access Tool COAT isk ade eb ECC POE AC Memory Module Real Time Clock Compact DO y sc A god d Tua a GAO yo ELA E Chapter 3 Wiring Bequierenisis eq wd y Ea esce Y 3 Mie FREY SG Wiring Recommendation 5 442 055 yd pb oes Using Surge Suppressors 0 2 2 00200 eee Recommended Surge Suppressors 4 Grounding the Controller su 4 verbe gt ote he oe eta a PL Wiring Diagrams acu tsi foe a cob poe huge a tem Miswiring 1764 28BXB Only Terminal Block Layouts as esata mee a aac Terminal Groupings uM orem ET Ebr d Im dede Sinking and Sourcing Input Circuits 1764 24AWA Wiring Diagram 0 000000 1764 24BWA Wiring Diagram with Sinking Inputs 1764 24BWA Wiring Diagram with Sourcing Inputs 1764 28BXB Wiring Diagram with Sinking Inputs 1764 28BXB Wiring Diagram with Sourcing Outputs Controller I O Wiring 2 5 e b EDEN BO REM A EIER Minimizing Electrical NOISe s o sacs o dee ees Transi
53. NET AIC is recommended between the controller and your personal computer when using Channel 0 An isolator is not required when using Channel 1 1764 LRP Publication 1764 UM001B EN P April 2002 4 4 Communication Connections Publication 1764 UM001B EN P April 2002 Channel 0 We recommend using an Advanced Interface Converter AIC catalog number 1761 NET AIC or similar optical isolator as shown below See page 4 16 for specific AIC cabling information EI MicroLogix 1500 with 1764 LSP or 1764 LRP processor Personal Computer 1761 CBL AMOO or 1761 CBL HM02 E II iti EEN i ji i 1747 CP3 or 1761 CBL ACOO 24V dc MicroLogix 1500 provides power to the AlC or an external power supply may be used Channel 1 MicroLogix 1500 Controller with 1764 LRP 1747 CP3 Personal Computer eof i Personal Computer Protocol DF1 Full Duplex protocol to 1 controller DF1 Half Duplex Slave protocol to multiple controllers when a DF1 Half Duplex Master is present Communication Connections 4 5 Using a Modem You can use modems to connect a personal computer to one MicroLogix 1500 controller using DF1 Full Duplex protocol or to multiple controllers using DF1 Half Dupl
54. OW off battery OK red battery needs replacement See page B 2 COMM 0 off flashes when communications are active green COMM 1 off flashes when communications are active 1764 LRP only em DcoMM off user configured communications mode is active green default communications mode active Publication 1764 UM001B EN P April 2002 C 2 Troubleshooting Your System Publication 1764 UM001B EN P April 2002 LED Color Indicates INPUTS off input is not energized amber input is energized logic status OUTPUTS off output is not energized amber output is energized logic status 1 When using a 1764 LRP processor the DCOMM LED applies only to Channel 0 When Operating Normally The POWER and RUN LEDs are on If a force condition is active the FORCE LED turns on and remains on until all forces are removed When an Error Exists If an error exists within the controller the controller LEDs operate as described in the following tables If the TheFollowing Probable Cause Recommended Action LEDS Error Exists indicate All LEDS No input power No Line Power Verify proper line voltage and off or power connections to the controller BUDE etre Power Supply This problem can occur Overloaded intermittently if power supply is overloaded when output loading and temperature varies Power and Hardware Processor Hardware Cycle power Contact your local FAULTLEDs faulted Error Rockwell Automation
55. PCCC G 7 planning considerations for a network E 8 power considerations input states on power down 2 6 isolation transformers 2 5 loss of power source 2 6 other line conditions 2 7 overview 2 5 power supply inrush 2 6 power distribution 2 5 Power Save Timeout 5 4 power source loss of 2 6 power supply inrush power considerations 2 6 preparing for upgrade D 1 preventing excessive heat 2 7 proceessor hardware overview 1 3 processor G 8 installing 2 17 processor access door B 6 processor files G 8 program faults determining C 1 program file definition G 8 program mode G 8 program scan definition G 8 programming device G 8 programming the controller required software 1 5 PROTECTED indicator light 5 3 5 5 protocol G 8 publications related P 2 Purpose of this Manual P 1 read G 8 real time clock battery low indicator bit 6 2 disabling 6 3 Real Time Clock Function File 6 1 related publications P 2 relay G 8 relay contact rating table A 5 relay logic G 8 relays surge suppressors for 3 6 remote packet support E 11 replacement battery B 2 disposing B 4 handling B 3 installing B 2 storing B 3 transporting B 3 replacement doors B 6 base comms door B 6 base terminal door B 6 processor access door B 6 trim pots mode switch cover door B 6 replacement kits B 1 replacement parts B 1 base comms door B 6 base terminal door B 6 processor access door B 6 terminal blocks B 5 trim pots mode switch cover door B 6 replacement ter
56. RTC battery life expectancy 6 3 Index baud rate G 1 bit G 1 bit key 5 3 Bit Mode 5 6 block diagrams G 1 Boolean operators G 1 branch G 1 C Cables 4 23 cables hardware overview 1 4 planning routes for DH485 connections E 9 selection guide for the AlC 4 17 selection guide for the DeviceNet network 4 22 calling Allen Bradley for assistance C 5 CE mark 2 1 certification 2 1 channel configuration DF1 full duplex E 1 clearing faults C 4 common techniques used in this manual P 3 communication DeviceNet 4 22 4 23 communication protocols DF1 fullduplex E 1 DF1 halfduplex E 2 DH485 E 5 Modbus E 13 communication scan G 2 compact I 0 attach and lock module 2 22 installing 2 22 component descriptions 1 2 accessories cables 1 4 programming 1 5 base units 1 2 data access tool 1 3 end cap 1 6 expansion 1 0 1 6 memory modules real time clock 1 3 processor 1 3 components installing 2 17 Publication 1764 UM001B EN P April 2002 2 Index connecting the system AIC 4 15 DeviceNet network 4 22 4 23 DF1 fullduplex protocol 4 3 DH485 network 4 10 contactors bulletin 100 surge suppressors for 3 6 control program G 2 ControlFlash missing corrupt OS LED pattern D 2 sequence of operation D 2 using D 1 controller definition G 2 determining faults C 1 fault messages C 5 features 1 1 grounding 3 6 installation 2 1 mounting 2 13 overhead G 2 preventing excessive heat 2 7 troubleshooting C 1 controller error
57. SP and 1764 LRP Series B and later processors only aX nus oS woe ches ee a GEN AID USE ERES E 13 ASCII Protocol MicroLogix 1500 1764 LSP and 1764 LRP Series B and later Processors only E 13 Appendix F System Loading Limitatiotioz oae gua Vom ba Pee Ses F 1 System Expansion Calculations 00 F 1 Selecting System DEVICES au ossis d aes ate ek F 2 Verifying the System Loading cu oo xoa qx ane de Ra F 4 Calculating Heat Dissipation gt Ss oou p XV peasy aS F 9 Glossary Index Publication 1764 UM001B EN P April 2002 Table of Contents x Publication 1764 UM001B EN P April 2002 Preface Read this preface to familiarize yourself with the rest of the manual It provides information concerning who should use this manual the purpose of this manual related documentation conventions used in this manual e Rockwell Automation support Who Should Use this Use this manual if you are responsible for designing installing Manual programming or troubleshooting control systems that use anua MicroLogix 1500 controllers You should have a basic understanding of electrical circuitry and familiarity with relay logic If you do not obtain the proper training before using this product Purpose of this Manual This manual is a reference guide for MicroLogix 1500 controllers It describes the procedures you use to install wire and troubleshoot your controller This manual explains how to inst
58. TION overheating Be careful when stripping wires Wire fragments that fall into the controller could cause damage Once wiring is complete be sure the base unit is free of all metal fragments before removing protective debris strips and installing the processor unit Failure to remove strips before operating can cause Publication 1764 UM001B EN P April 2002 3 2 Wiring Your Controller Publication 1764 UM001B EN P April 2002 Wiring Recommendation ATTENTION A Before you install and wire any device disconnect power to the controller system ATTENTION E Calculate the maximum possible current in each power and common wire Observe all electrical codes dictating the maximum current allowable for each wire size Current above the maximum ratings may cause wiring to overheat which can cause damage United States Only If the controller is installed within a potentially hazardous environment all wiring must comply with the requirements stated in the National Electrical Code 501 4 b Allow for at least 50 mm Q in between I O wiring ducts or terminal strips and the controller Route incoming power to the controller by a path separate from the device wiring Where paths must cross their intersection should be perpendicular TIP Do not run signal or communications wiring and power wiring in the same conduit Wires with different signal characteristics should be routed by se
59. TU Slave Protocol Ramping when using PWM outputs Static Data File Protection RTC Messaging Enhancement October B B 5 PTO Controlled Stop 4 50 00 2000 Memory Module Program Compare Bit Enhancement Series C September C A 6 Floating Point Data File Support 5 10 00 Release 2001 Programmable Limit Switch PLS Real Time Clock Adjust Copy Word Absolute Value Gray Code Recipe Message Instruction Support for 1769 SDN Initial March B A 4 Initial Release Same Functionality as 4 00 00 Release 2000 1764 LSP Enhancement October B B 5 PTO Controlled Stop 4 50 00 2000 Memory Module Program Compare Bit Enhancement Series C September C A 6 Floating Point Data File Support 5 10 00 Release 2001 Programmable Limit Switch PLS Real Time Clock Adjust Copy Word Absolute Value Gray Code Recipe Message Instruction Support for 1769 SDN Publication 1764 UM001B EN P April 2002 1 6 Hardware Overview Communication Options Compact Expansion 1 0 Publication 1764 UM001B EN P April 2002 The MicroLogix 1500 can be connected to a personal computer It can also be connected to the DH 485 network using an Advanced Interface Converter 1761 NET AIC to an Ethernet network using an Ethernet Interface 1761 NET END or to a DeviceNet network using a DeviceNet Interface 1761 NET DND or through the DeviceNet Scanner module 1769 SDN The controller can also be connected to Modbus SCADA networks
60. UM001B EN P April 2002 6 6 Using Real Time Clock and Memory Modules Publication 1764 UM001B EN P April 2002 Controller Specifications Specifications Table A 1 General Specifications Appendix A Description 1764 24BWA 1764 24AWA 1764 28BXB Number of 1 0 12 inputs 12 inputs 16 inputs 12 outputs 12 outputs 12 outputs Line Power 85 to 265V ac 85 to 265V ac 20 4 to 30V de at 47 to 63 Hz at 47 to 63 Hz Power Supply 88 VA 70 VA 30w12 Usage Power Supply Inrush 120V ac 25A for 8 ms 240V ac 40A for 4 ms 120V ac 25A for 8 ms 240V ac 40A for 4 ms 24V dc 4A for 150 ms User Power Output 24V dc at 400 mA none none 400 uF max Input Circuit Type 24V dc sink source 120V ac 24V dc sink source Output Circuit Type relay relay 6 relay 6 FET transistor 24V dc source Typical CPU Hold up Time 10 to 3000 ms Operating Temp 0 C to 55 C 32 F to 131 F ambient Storage Temp 40 C to 85 C 40 F to 185 F ambient Operating Humidity 5 to 95 relative humidity non condensing Vibration Operating 10 to 500 Hz 5G 0 030 in max peak to peak Relay Operation 2G Shock without Data Operating 30G panel mounted 15G DIN Rail mounted Access Tool Relay operation 7 5G panel mounted 5G DIN Rail mounted installed Non Operating 40G panel mounted 30G DIN Rail mounted Shock with Data Operating 20G panel mounted 15G DIN Rail mounted
61. able on the 1764 28BXB base only Base Units Catalog Line Power Inputs Outputs High Speed 1 0 Number 1764 24AWA 120 240V ac 12 120V ac 12 Relay 2 isolated relays n a per unit 1764 24BWA 120 240V ac 8 Standard 24V de 12 Relay 2 isolated relays 4 20 kHz input 4 Fast 24V de per unit 1764 28BXB 24V dc 8 Standard 24V de 6 Relay 2 isolated relays 8 20 kHz input 8 Fast 24V dc per unit 2 20 kHz output 4 Standard 24V dc FET 2 Fast 24V dc FET Publication 1764 UM001B EN P April 2002 Hardware Overview 1 3 Processors Processor Catalog Number 1764 LSP Communications Port e DTE male 9 pin D shell connector e 30V dc isolation Data Access Tool Catalog Number 1764 DAT 1764 DAT mounted on 1764 LSP processor Publication 1764 UM001B EN P April 2002 1 4 Hardware Overview Publication 1764 UM001B EN P April 2002 Memory Modules Real Time Clock Memory module mounted on 1764 LSP processor The following memory modules and real time clock modules are available Catalog Number Function Memory Size Cables 1764 RTC Real Time Clock not applicable 1764 MM1 Memory Module 8K 1764 MM1RTC Memory Module and Real Time Clock 8K 1764 MM 2 Memory Module 16K 1764 MM2RTC Memory Module and Real Time Clock 16K 1 For 1764 LRP programs greater than 8k use the 1764 MM2 or 1764 MM2RTC Use only the following
62. ackplane Isolation 1764 24BWA Verified by one of the following dielectric tests 1836V ac for 1 second or 2596V dc for 1 second 265V Working Voltage IEC Class 2 reinforced insulation Power Supply User 24V Output to Backplane Isolation Verified by one of the following dielectric tests 600V ac for 1 second or 848V dc for 1 second 50V Working Voltage IEC Class 2 reinforced insulation Input Group to Backplane Isolation and Input Group to Input Group Isolation Verified by one of the following dielectric tests 1200V ac for 1 second or 1697V dc for 1 second 75V dc Working Voltage IEC Class 2 reinforced insulation Output Group to Backplane Isolation Verified by one of the following dielectric tests 1836V ac for 1 second or 2596V dc for 1 second 265V Working Voltage IEC Class 2 reinforced insulation Output Group to Output Group Isolation Verified by one of the following dielectric tests 1836V ac for 1 second or 2596V dc for 1 second 265V Working Voltage basic insulation 150V Working Voltage IEC Class 2 reinforced insulation Publication 1764 UM001B EN P April 2002 A 8 Specifications Publication 1764 UM001B EN P April 2002 Table A 10 Working Voltage 1764 28BXB Specification Input Group to Backplane Isolation and Input Group to Input Group Isolation 1764 28BXB Verified by one of the following dielectric tests 1200V ac for 1 second or 1697V dc
63. air suitability for Class I Division 2 Do not replace components or disconnect equipment unless power has been switched off Do not connect or disconnect components unless power has been switched off or the area is known to be non hazardous This product must be installed in an enclosure AII cables connected to the product must remain in the enclosure or be protected by conduit or other means All wiring must comply with N E C article 501 4 b WARNING When installing any peripheral device for example push buttons lamps into a hazardous environment ensure that they are Class I Division 2 certified or determined to be safe for the environment Publication 1764 UM001B EN P April 2002 2 4 Installing Your Controller Publication 1764 UM001B EN P April 2002 Use only the following communication cables in Class I Division 2 hazardous locations Table 2 1 Cables for Use in Class I Division 2 Hazardous Environment 1761 CBL PM02 Series C or later 2707 NC8 Series B or later 1761 CBL HM02 Series C or later 2707 NC9 Series B or later 1761 CBL AMOO Series C or later 2707 NC10 Series B or later 1761 CBL APOO Series C or later 2707 NC11 Series B or later Disconnecting Main Power WARNING EXPLOSION HAZARD Do not replace components or disconnect equipment unless power has been switched off The main power disconnect switch should be located where operators and maint
64. al 5V dc current and 24V dc current consumed must be considered The I O modules connected to the PB2 should be distributed such that the current consumed from the left and right side of the power supply never exceeds 2A at 5V and 0 8A at 24V dc with an ambient temperature of 0 to 55 C Use the current graph below to determine if the power supply loading in your system is within the allowable range for special load conditions above 55 to 60 C Figure 7 1769 PA4 5V and 24V dc Current Total Output 68W at 55 C or below 61W at 60 C or below 1 7 5V Bus Load Amps 0 0 02 04 06 08 10 12 14 16 18 2 0 24V Bus Load Amps System Using a 1769 PB4 To validate your system the total 5V dc current and 24V dc current consumed must be considered The I O modules connected to the PB2 should be distributed such that the current consumed from the left and right side of the power supply never exceeds 2A at 5V and 0 8A at 24V dc with an ambient temperature of 0 to 55 C Use the current graph below to determine if the power supply loading in your system is within the allowable range for special load conditions above 55 to 60 C Publication 1764 UM001B EN P April 2002 F 8 System Loading and Heat Dissipation Figure 8 1769 PB4 5V and 24V dc Current Total Output 68W at 55 C or below 61W at 60 C or below 1 7 5V Bus Load Amps 60 C 0 0 T T T T T T 00 02 04 06 08 10 12 14 16
65. al computer high byte Bits 8 to 15 of a word housekeeping The portion of the scan when the controller performs internal checks and services communications input device A device such as a push button or a switch that supplies an electrical signal to the controller input scan The controller reads all input devices connected to the input terminals inrush current The temporary surge of current produced when a device or circuit is initially energized instruction A mnemonic defining an operation to be performed by the processor A rung in a program consists of a set of input and output instructions The input instructions are evaluated by the controller as being true or false In turn the controller sets the output instructions to true or false instruction set The set of instructions available within a controller Lo Input and Output Glossary 5 jump Changes the normal sequence of program execution In ladder programs a JUMP JMP instruction causes execution to jump to a specific rung in the user program ladder logic A graphical programming format resembling a ladder like diagram The ladder logic programing language is the most common programmable controller language least significant bit LSB The element Cor bit in a binary word that carries the smallest value of weight LED Light Emitting Diode Used as status indicator for processor functions and inputs and outputs LIFO Last In Firs
66. all and wire your controllers gives you an overview of the MicroLogix 1500 controller system Refer to publication 1762 RM001 MicroLogix 1200 and MicroLogix i 1500 Programmable Controllers Instruction Set Reference Manual for the MicroLogix 1200 and 1500 instruction set and for application examples to show the instruction set in use Refer to your programming software user documentation for more information on programming your MicroLogix 1500 controller Related Documentation The documents listed on page P 2 contain additional information concerning Rockwell Automation products If you would like a copy you can e download a free electronic version from the internet www ab com micrologix or www theautomationbookstore com purchase a printed manual by contacting your local distributor or Rockwell Automation representative visiting www theautomationbookstore com and placing your order calling 1 800 963 9548 USA Canada or 001 330 725 1574 Outside USA Canada Publication 1764 UM001B EN P April 2002 Preface P 2 For Read this Document Document Number A technical overview of the MicroLogix 1500 and related MicroLogix 1500 Programmable Controllers 1764 TD001 products Technical Data Information on the MicroLogix 1500 Controllers instruction set MicroLogix 1200 and 1500 Programmable 1762 RMO001 Controllers Instruction Set Reference Manual Informati
67. ameter Options Baud Rate 9600 19 2K Node Address 1 to 31 decimal Token Hold Factor 1 to4 See Software Considerations on page E 10 for tips on setting the parameters listed above Understanding Communication Protocols E 7 Devices that Use the DH 485 Network In addition to the MicroLogix 1500 controllers the devices shown in the following table also support the DH 485 network Table E 2 Allen Bradley Devices that Support DH 485 Communication Catalog Description Installation Function Publication Number Bulletin MicroLogix SeriesC or These controllers support DH 485 communications 1761 6 3 1761 1000 higher Controllers Bulletin MicroLogix Series Aor These controllers support DH 485 communications 1762 UM001 1762 1200 higher Bulletin SLC 500 SLC Chassis These processors support a variety of I O requirements and 1747 6 2 1747 Processors functionality Processors 1746 BAS BASIC SLC Chassis Provides an interface for SLC 500 devices to foreign devices 1746 6 1 Module Program in BASIC to interface the 3 channels 2 RS232 and 1 1746 6 2 DH 485 to printers modems or the DH 485 network for data 1746 6 3 collection 1785 KA5 DHJM 1771 PLC Provides communication between stations on the PLC 5 DH4 1785 6 5 5 DH 485 Chassis and SLC 500 DH 485 networks Enables communication and 1785 1 21 Gateway data transfer from PLC to SLC 500 on DH 485 network Also enables programming software
68. an 1 0 Bank System Guidelines A maximum of one 1769 Expansion Cable can be used in a MicroLogix 1500 system allowing for two banks of I O modules one connected directly to the controller and the other connected via the cable Each I O bank requires its own power supply Bank 1 uses the controller s embedded power supply ATTENTION LIMIT OF ONE EXPANSION POWER SUPPLY The expansion power supply cannot be connected directly to the controller It must be connected using an expansion cable Only one power supply embedded in the base unit or an expansion power supply may be used on an I O bank Exceeding these limitations may damage the power supply and result in unexpected operation Maite REMOVE POWER Remove system power before making or breaking cable connections When you remove or insert a cable connector with power applied an electrical arc may occur An electrical arc can cause personal injury or property damage by sending an erroneous signal to your system s field devices causing unintended machine operation causing an explosion in a hazardous environment Electrical arcing causes excessive wear to contacts on both the module and its mating connector Refer to your power supply and I O module s documentation for instructions on how to set up your system TTISTUM occ the System Requirements for Using Expansion Modules on page 1 7 to determine the maximum number of expansion I O modules you can
69. as an RTU slave See Communication Connections on page 4 1 for more information on connecting to the available communication options The 1764 LRP processor provides an additional communication port Each of the communications ports can be independently configured for any supported communication protocol Channel 0 is on the base unit and Channel 1 is on the 1764 LRP processor Compact expansion I O Bulletin 1769 can be connected to the MicroLogix 1500 Controller A maximum of either 8 or 16 expansion I O modules can be used depending upon your system See System Requirements for Using Expansion Modules on page 1 7 See System Loading and Heat Dissipation on page F 1 for more information on system configurations End Cap An end cap terminator catalog number 1769 ECR or 1769 ECL must be used at the end of the group of I O modules attached to the MicroLogix 1500 Controller The end cap terminator is not provided with the base or processor units It is required when using expansion I O This illustration shows the right end cap 1769 ECR The left end cap 1769 ECL is shown on page 1 10 Hardware Overview 1 7 Expansion Power Supply and Cables With Operating System Revision Number FRN 3 or higher you can connect an additional bank of I O to your controller Using an expansion power supply increases the system s capacity for adding expansion I O modules The additional I O bank is connected to the controller via a s
70. at24Vdc 8 9 mA at 24V dc e maximum e 16 0 mA at 132V ac e 120 mA at 30V dc 120 mA at 30V dc Off State Leakage 2 5 mA minimum 1 5 mA minimum Current Nominal 12k ohms at 50 Hz 3 3k ohms 2 7k ohms Impedance 10k ohms at 60 Hz Inrush Current 250 mA at 120V ac Not Applicable Not Applicable max 1 Scan time dependant TIP gt The 1764 24AWA input circuits inputs 0 11 do not support adjustable filter settings They have maximum turn on and maximum turn off times of 20 milliseconds Publication 1764 UM001B EN P April 2002 A 4 Publication 1764 UM001B EN P April 2002 Specifications Table A 3 Response Times for High Speed dc Inputs 0 Through 7 applies to 1764 24BWA and 1764 28BXB Maximum Filter Minimum Maximum Minimum Maximum High Speed Counter Setting ON Delay ON Delay OFF Delay OFF Delay Frequency at 50 ms ms ms ms ms Duty Cycle KHz 20 000 0 025 0 005 0 025 0 005 0 025 6 700 0 075 0 040 0 075 0 045 0 075 5 000 0 100 0 050 0 100 0 060 0 100 2 000 0 250 0 170 0 250 0 210 0 250 1 000 0 500 0 370 0 500 0 330 0 500 0 500 1 000 0 700 1 000 0 800 1 000 0 250 2 000 1 700 2 000 1 600 2 000 0 125 4 000 3 400 4 000 3 600 4 000 0 063 8 000 6 700 8 000 7 300 8 000 0 031 16 000 14 000 16 000 14 000 16 000 1 This is the default setting Table A 4 Response Times for Normal dc Inputs 8 Through 11 1764 24BWA and
71. ce personnel have quick and easy access to it If you mount a disconnect switch inside the controller enclosure place the switch operating handle on the outside of the enclosure so that you can disconnect power without opening the enclosure Whenever any of the emergency stop switches are opened power to input and output devices should be removed When you use the master control relay to remove power from the external I O circuits power continues to be provided to the controller s power supply so that diagnostic indicators on the processor can still be observed The master control relay is not a substitute for a disconnect to the controller It is intended for any situation where the operator must quickly de energize I O devices only When inspecting or installing terminal connections replacing output fuses or working on Installing Your Controller 2 9 equipment within the enclosure use the disconnect to shut off power to the rest of the system Do not control the master control relay with the controller Provide the operator with the safety of a direct connection between an emergency stop switch p and the master control relay Using Emergency Stop Switches When using emergency stop switches adhere to the following points Do not program emergency stop switches in the controller program Any emergency stop switch should turn off all machine power by turning off the master control relay Observe all applicable local c
72. common data circuit thus allowing data to be easily shared between devices The DH 485 network offers interconnection of 32 devices multi master peer to peer capability token passing access control the ability to add or remove nodes without disrupting the network maximum network segment of 1219 m 4000 ft Publication 1764 UM001B EN P April 2002 E 6 Understanding Communication Protocols Publication 1764 UM001B EN P April 2002 The DH 485 protocol supports two classes of devices initiators and responders All initiators on the network get a chance to initiate message transfers To determine which initiator has the right to transmit a token passing algorithm is used The following section describes the protocol used to control message transfers on the DH 485 network DH 485 Token Rotation A node holding the token can send a message onto the network Each node is allowed a fixed number of transmissions based on the Token Hold Factor each time it receives the token After a node sends a message it passes the token to the next device The allowable range of node addresses is 1 to 31 There must be at least one initiator on the network such as a MicroLogix controller or an SLC 5 02 or higher processor DH 485 Configuration Parameters When MicroLogix communications are configured for DH 485 the following parameters can be changed Table E 1 DF1 Full Duplex Configuration Parameters Par
73. communication cables in Class I Division 2 hazardous locations Table 1 1 Cables for Use in Class I Division 2 Hazardous Environment 1761 CBL PMO2 Series C or later 2707 NC8 Series B or later 1761 CBL HMO 2 Series C or later 2707 NC9 Series B or later 1761 CBL AMOO Series C or later 2707 NC10 Series B or later 1761 CBL APOO Series C or later 2707 NC11 Series B or later Hardware Overview 1 5 Programming Programming the MicroLogix 1500 programmable controller is done using RSLogix 500 Rev 4 0 or later Certain features are only available when using the most current version of the software as noted in System Requirements for Using Expansion Modules on page 1 7 The following table lists the firmware release numbers feature and functionality enhancements and the required version of RSLogix 500 and RSLogix 500 Starter software Table 1 B Required Software Version by FRN Number Controller 1764 LSP 1764 LRP Firmware Available Catalog Catalog OS FRN Feature and Functionality Required Release for Sale Number Number Number Changes Version of Date Series Revision RSLogix 500 RSLogix 500 Starter Software Initial February A B 2 Initial Release 3 01 00 Release 1999 Enhancement October A C 3 Power Supply and Expansion Cable 3 01 00 1999 Compatibility Series B March B A 4 String Data File Type 4 00 00 Release 2000 ASCII Instruction Set Modbus R
74. d output circuits should be connected through a set of master control relay contacts Periodic Tests of Master Control Relay Circuit Any part can fail including the switches in a master control relay circuit The failure of one of these switches would most likely cause an open circuit which would be a safe power off failure However if one of these switches shorts out it no longer provides any safety protection These switches should be tested periodically to assure they will stop machine motion when needed The following explains power considerations for the micro controllers Isolation Transformers You may want to use an isolation transformer in the ac line to the controller This type of transformer provides isolation from your power distribution system to reduce the electrical noise that enters the controller and is often used as a step down transformer to reduce line voltage Any transformer used with the controller must have a sufficient power rating for its load The power rating is expressed in volt amperes VA Publication 1764 UM001B EN P April 2002 2 6 Installing Your Controller Publication 1764 UM001B EN P April 2002 Power Supply Inrush During power up the MicroLogix 1500 power supply allows a brief inrush current to charge internal capacitors Many power lines and control transformers can supply inrush current for a brief time If the power source cannot supply this inrush current the source voltage may
75. ded for the input to be in the On state For outputs the allowable range of user supplied voltage output device A device such as a pilot light or a motor starter coil that receives a signal or command from the controller output scan The controller turns on off or modifies the devices connected to the output terminals PCCC Programmable Controller Communications Commands Publication 1764 UM001B EN P April 2002 Glossary 8 Publication 1764 UM001B EN P April 2002 processor A Central Processing Unit See CPU processor files The set of program and data files resident in the controller program file Areas within a processor that contain the logic programs MicroLogix controllers support multiple program files program mode When the controller is not scanning the control program program scan A part of the controller s operating cycle During the program scan the logic program is processed and the Output Image is updated programming device Programming package used to develop ladder logic diagrams protocol The rules of data exchange via communications read To acquire data For example the processor reads information from other devices via a read message relay An electrically operated device that mechanically switches electrical circuits relay logic A representation of binary or discrete logic restore To transfer a program from a device to a controller Glossary 9 reserved
76. e Echo parameter to use Delete Mode Echo When Echo Mode is enabled all of the characters received are echoed back to the remote device Disabled This allows you to view characters on a terminal connected to the controller Toggles between Enabled and Disabled XON XOFF Allows you to Enable or Disable XON XOFF software handshaking XON XOFF software handshaking Disabled involves the XON and XOFF control characters in the ASCII character set When the receiver receives the XOFF character the transmitter stops transmitting until the receiver receives the XON character If the receiver does not receive an XON character after 60 seconds the transmitter automatically resumes sending characters Also when the receive buffer is more than 8096 full an XOFF character is sent to the remote device to pause the transmission Then when the receive buffer drops to less than 8096 full an XON character is sent to the remote device to resume the transmission RTS Off Allows you to select the delay between when a transmission is ended and when RTS is dropped 0 Delay x20 Specify the RTS Off Delay value in increments of 20 ms Valid range is 0 to 65535 ms RTS Send Allows you to select the delay between when RTS is raised and the transmission is initiated Specify 0 Delay x20 the RTS Send Delay value in increments of 20 ms Valid range is 0 to 65535 ms Publication 1764 UM001B EN P April 2002 System Loading Limitations System Expansion Calculation
77. e because another device Release file ownership by the other device has ownership 31 to 34 internal error Internal failure Remove and re insert the DAT If failure persists replace the unit 1 This error can occur after a download in whic power to the controller Publication 1764 UM001B EN P April 2002 h communications configurations are changed This error can be cleared by removing and re installing the DAT or by cycling Chapter 6 Using Real Time Clock and Memory Modules Five modules with different levels of functionality are available for use with the MicroLogix 1500 controller Catalog Number Function Memory Size 1764 MM1 Memory Module 8K 1764 MM1RTC Memory Module and Real Time Clock 8K 1764 MM2 Memory Module 16K 1764 MM2RTC Memory Module and Real Time Clock 16K 1 For 1764 LRP programs greater than 8k use the 1764 MM2 or 1764 MMZ2RTC Real Time Clock Operation Removal Insertion Under Power The real time clock module can be installed or removed at any time without risk of damage to either the module or the controller If a module is installed while the MicroLogix 1500 is in an executing mode Run or Remote Run the module is not recognized until either a power cycle occurs or until the controller is placed in a non executing mode program mode or fault condition Removal of the memory module is detected within one program scan Removal of the real time clock under powe
78. e connected to the base unit or to either side of the expansion power supply when the 1769 HSC or 1769 SDN are used in the system Publication 1764 UM001B EN P April 2002 F 4 System Loading and Heat Dissipation Verifying the System Loading To have a valid system both current and power requirements must be satisfied Verifying the Base Unit Loading 1 Enter the SUBTOTAL values from Tables F 1 and F 2 Add the total current draw for the Base Unit Verify the values are within the maximum limits Table F 3 Base Unit Power Supply Loading Verify the Current Limits Current from Calculated Current for System at bV dc mA at 24V dc mA For 1764 24BWA only enter sum of any User 24V dc Sensor Current E MAXIMUM LIMIT n a 400 mA User 24V dc Values from SUBTOTAL Table F 1 A1 B1 Values from SUBTOTAL2 Table F 2 A2 B2 TOTAL BASE UNIT CURRENT LOADING F G MAXIMUM LIMIT 2250 mA at 5V dc 400 mA at 24V dc 2 Using the table below verify that the MAXIMUM POWER LIMIT is not exceeded Table F4 Base Unit Power Supply Loading Verify the Required Power Catalog Number 1764 24AWA 1764 2BBXBBaseUnits 1764 24BWA Base Unit 5VPowerCalculation P xwv w xw W 24V Power Calculation G x 24V W G x 24V W E x 24V W Add up Total Watts W W MAXIMUM POWER 16W 22W LIMIT Publication 1764 UM001B EN P April 2002 Verifying the Expan
79. e the Allen Bradley surge suppressors shown in the following table for use with relays contactors and starters Suppressor Device Coil Voltage Catalog Number Bulletin 509 Motor Starter 120V ac 599 Ko4 Bulletin 509 Motor Starter 240V ac 599 KA0a Bulletin 100 Contactor 120V ac 199 FSMA1UJ Bulletin 100 Contactor 240V ac 199 FSMA20 Bulletin 709 Motor Starter 120V ac 1401 N10 Bulletin 700 Type R RM Relays ac coil None Required Bulletin 700 Type R Relay 12V dc 199 FSMA9 Bulletin 700 Type RM Relay 12V de Bulletin 700 Type R Relay 24V dc 199 FSMA9 Bulletin 700 Type RM Relay 24V de Bulletin 700 Type R Relay 48V dc 199 FSMA9 Bulletin 700 Type RM Relay A8V de Bulletin 700 Type R Relay 115 125V de 199 FSMA10 Bulletin 700 Type RM Relay 115 125V de Bulletin 700 Type R Relay 230 250V de 199 FSMA11 Bulletin 700 Type RM Relay 230 250V de Bulletin 700 Type N P or PK Relay 150V max ac or DC 799 N2407 Miscellaneous electromagnetic 150V max acorDC 799 N24 devices limited to 35 sealed VA 1 Varistor Not recommended for use on relay outputs 2 RC Type Do not use with triac outputs In solid state control systems grounding and wire routing helps limit the effects of noise due to electromagnetic interference EMI Run the ground connection from the ground screw of the base unit to the electrical panel s ground bus prior to connecting any devices Use AWG 14 wire
80. e with device s communications or commands that do not originate on the local DH 485 network This is useful in installations where communication is needed between the DH 485 and DH networks The example below shows how to send messages from a PLC device or a PC on the DH network to a MicroLogix controller on the DH 485 network This method uses an SLC 5 04 processor bridge connection Publication 1764 UM001B EN P April 2002 E 12 Understanding Communication Protocols When using this method as shown in the following illustration PLC 5 devices can send read and write commands to MicroLogix 1500 controllers MicroLogix 1500 controllers can respond to MSG instructions received The MicroLogix 1500 controllers can initiate MSG instructions to devices on the DH network PC can send read and write commands to MicroLogix 1500 controllers PC can do remote programming of MicroLogix 1500 controllers SLC 5 04 PanelView 550 DH 485 Network AIC AIC E MicroLogix 1500 with MicroLogix 1500 with 1764 LSP 1764 LRP Processor or 1764 LRP Processor MicroLogix 1000 MicroLogix 1200 sic 5 04 DH Network SLC 5 04 PLC 5 Publication 1764 UM001B EN P April 2002 Understanding Communication Protocols E 13 Modbus RTU Slave Modbus RTU Slave is a Half Duplex master slave communications protocol The Modbus ne
81. each of them access in a timely manner As the number of slave devices increase the time between when slave devices are polled also increases This increase in time may also be large if you are using low baud rates As these time periods grow you may need to increase the poll timeout and reply timeout values for slave devices IMPORTANT If a program download is started when using DF1 Half Duplex but then is interrupted due to electromagnetic interference or other events discontinue communications to the controller for the ownership timeout period and then restart the program download The ownership timeout period is 60 seconds After the timeout you can re establish communications with the processor and try the program download again The only other way to remove program ownership is to cycle power on the processor The types of modems that you can use with MicroLogix 1500 controllers include dial up phone modems leased line modems radio modems and line drivers For point to point Full Duplex modem connections that do not require any modem handshaking signals to operate use DF1 Full Duplex protocol with no handshaking For point to point Full Duplex modem connections that require RTS CTS handshaking use DF1 Full Duplex protocol with handshaking Publication 1764 UM001B EN P April 2002 E 4 Understanding Communication Protocols Publication 1764 UM001B EN P April 2002 For multi drop modem connections or for point to
82. en the initiating slave is polled the MSG is sent to the master The master recognizes that the message is not intended for it but for another slave so the master immediately forwards the message to the intended slave The master does this automatically you do not need to program the master to move data between slave nodes This slave to slave transfer can also be used by programming software to allow slave to slave upload and download of programs to processors including the master on the DF1 Half Duplex link The MicroLogix 1500 can only act as a slave device A device that can act as a master is required to run the network Several Allen Bradley products support DF1 Half Duplex master protocol They include the SLC 5 03 and higher processors enhanced PLC 5 processors and Rockwell Software RSLinx version 2 x and higher DF1 Half Duplex supports up to 255 devices address 0 to 254 with address 255 reserved for master broadcasts The MicroLogix 1500 supports broadcast reception Understanding Communication Protocols E 3 Using Modems with MicroLogix 1500 Programmable Controllers Considerations When Communicating as a DF1 Slave on a Multi drop Link When communication is between either your programming software and a MicroLogix Programmable Controller or between two MicroLogix 1500 Programmable Controllers via slave to slave communication on a larger multi drop link the devices depend on a DF1 Half Duplex Master to give
83. enance personnel have quick and easy access to it In addition to disconnecting electrical power all other sources of power pneumatic and hydraulic should be de energized before working on a machine or process controlled by a controller Safety Circuits WARNING EXPLOSION HAZARD Do not connect or disconnect connectors while circuit is live Circuits installed on the machine for safety reasons like overtravel limit switches stop push buttons and interlocks should always be hard wired directly to the master control relay These devices must be wired in series so that when any one device opens the master control relay is de energized thereby removing power to the machine Never alter these circuits to defeat their function Serious injury or machine damage could result Installing Your Controller 2 5 Power Considerations Power Distribution There are some points about power distribution that you should know The master control relay must be able to inhibit all machine motion by removing power to the machine I O devices when the relay is de energized It is recommended that the controller remain powered even when the master control relay is de energized If you are using a dc power supply interrupt the load side rather than the ac line power This avoids the additional delay of power supply turn off The dc power supply should be powered directly from the fused secondary of the transformer Power to the dc input an
84. er supplied external source is used If an external source is to be used do not select the device here The current for a 2707 MVH232 or 2707 MVP232 MicroView Operator Interface is supplied from the controller communication port when directly connected Publication 1764 UM001B EN P April 2002 3 Use Table F 2 to select the I O modules Enter the number of modules in either the Base Unit Expansion or the Bank 1 column IMPORTANT When planning the system layout keep in mind that each module has a Power Supply Distance Rating This is the maximum distance an I O module may be located from the power supply For most modules the rating is 8 For the 1769 HSC and 1769 SDN the rating is 4 Depending on its configuration the 1769 SDN may transfer large amounts of data into and out of the controller I O image tables Care should be taken when using more than three of these modules to verify that they are optimally configured This will System Loading and Heat Dissipation F 3 Table F2 Selecting Hardware Expansion 1 0 Select I O Modules for Each Bank ensure that the maximum available 4K data table size will not be exceeded Refer to the 1769 SDN User Manual for more details 4 Enter the current draw values in the Calculated Current columns Add up the current draw values to determine the SUBTOTAL2 values 5 Verify that the total number of modules does not exceed the system limits using the maximum valu
85. ernal 1 External power supply required unless the AIC is powered by the device connected to port 2 then the selection switch should be set to cable Publication 1764 UM001B EN P April 2002 4 18 Communication Connections Publication 1764 UM001B EN P April 2002 DNO co 1761 CBL PMO02 or equivalent Cable Wiring Diagram O 9o9oQo OOOO Moo a i 678 ee Vr fq 12 Programming Controller Device 9 Pin D Shell 8 Pin Mini Din 9 RI 24V 1 8 CTS GND 2 7 RTS P gt RTS 3 6 DSR RXD 4 5 GND DCD 5 4 DTR CTS 6 3 TXD TXD 7 2 RXD i GND 8 1 DCD Communication Connections Recommended User Supplied Components 4 19 The components in Table 4 8 can be purchased from your local electronics supplier Table 4 8 User Supplied Components Component Recommended Model external power supply and chassis power supply rated for 20 4 28 8V dc ground NULL modem adapter standard AT straight 9 25 pin RS 232 cable see table below for port information if making own cables Port 1 Port 2 Port 3 DB 9 RS 232 8 pin mini DIN RS 485 connector 6 O 1 678 7 ye 2 5 Na TERM d 3 M o FR 8 is 1 4 alls d COM
86. es for the base unit and Table F 5 for the expansion power supply if used Bus Current Draw Specification mA Calculate Current Draw Expansion 1 0 Base Unit Bank 1 2 Calculated Current for Calculated Current for Modules Expansion Base Unit Expansion mA Bank 1 Power Supply 2250 mA max 400 mA max mA Catalog Number n1 n2 X Y nix X n1xY n2x X n2x Y Number of Modules at5V dc at24V dc at5V dc at 24V dc at bV dc at 24V dc 769 Hscl 425 0 769 IA16 15 0 769 IA8l 90 0 769 IF4 Series A 20 150 769 IF4 Series B 20 60 769 IFAXOF2 120 160 769 IM12 00 0 769 1016 15 0 769 IQ6XOWA 05 50 769 IR6 00 45 769 IT6 00 40 769 0A8 45 0 769 0A16 225 0 769 0B16 200 0 769 OB16P 60 0 769 OF2 Series A 120 200 769 OF2 Series B 120 120 769 0V16 200 0 769 0W8 125 100 769 0W8l 125 100 769 0W16 205 180 769 SDN 440 0 TOTAL MODULES SUBTOTAL2 A2 B2 C D 1 May not exceed 8 1 0 modules 2 No more than 8 1 0 modules on either sid e of the power supply 3 Maximum value depends on the power supply chosen 4 Upto 16 modules may be used in a MicroLogix 1500 system when using a Series B Base Unit and Series C processor up to 8 for Series A Base Units A maximum of 8 modules can be connected directly to the Base Unit A maximum of 8 modules can be connected to each side of the Expansion Power Supply 5 No more than 4 1 0 modules may b
87. es if errors are detected Publication 1764 UM001B EN P April 2002 E 2 Understanding Communication Protocols DF1 Half Duplex Protocol Publication 1764 UM001B EN P April 2002 MicroLogix 1500 controllers support the DF1 Full Duplex protocol via RS 232 connection to external devices such as computers controllers and other interface devices that support DF1 Full Duplex For information about required network connecting equipment and examples of DF1 Full Duplex connections see Chapter 4 DF1 Half Duplex protocol is a multi drop single master multiple slave network DF1 Half Duplex protocol supports data transparency American National Standards Institute ANSI X3 28 1976 specification subcategory D1 In contrast to DF1 Full Duplex communication takes place in one direction at a time With an active Half Duplex Master you can use the RS 232 port on the MicroLogix 1500 as a Half Duplex programming port and a Half Duplex peer to peer messaging port DF1 Half Duplex Operation A DF1 Half Duplex master device initiates all communication by polling each slave device The slave device may only transmit when it is polled by the master It is the master s responsibility to poll each slave on a regular and sequential basis to allow slave devices an opportunity to communicate An additional feature of the DF1 Half Duplex protocol is that it is possible for a slave device to enable a MSG write or read to from another slave Wh
88. es not receive an ACK from the master device For use in noisy environments where message packets may become corrupted in transmission Pre Transmit Delay x1 ms 0 to 65535 can be set in 1 ms increments e When the Control Line is set to no handshaking this is the delay time before transmission Required for 1761 NET AIC physical Half Duplex networks The 1761 NET AIC needs delay time to change from transmit to receive mode e When the Control Line is set to DF1 Half Duplex Modem this is the minimum time delay between receiving the last character of a packet and the RTS assertion Publication 1764 UM001B EN P April 2002 4 8 Communication Connections DF1 Half Duplex Master Slave Network Use this diagram for DF1 Half Duplex Master Slave protocol without hardware handshaking SLC 5 03 DF1 Master MicroLogix 1500 DF1 Slave DN A Blao oo oo oa nalna B ooj oojoo o unm o CHO CHO 1761 CBL AMOO or 1761 CBL HM02 1761 CBL APOO or CBL PM02 wd straight 9 25 straight 9 25 pin cable pin cable radio modem or lease line ee eS MicroLogix 1500 DF1 Slave DI radio modem or lease line CHO to port 1 or port 2 CHO to port 1 o
89. essor is fully engaged and locked into place 4 Make sure the actuator is pushed closed 5 To remove the processor from the base unit make sure base unit power is off Push the actuator to the open position until the processor is ejected slightly Once the processor has been ejected it can be removed from the base unit Publication 1764 UM001B EN P April 2002 Installing Your Controller 2 19 Data Access Tool DAT 1 Remove cover from processor 2 Holding the DAT in the proper orientation as shown place the DAT onto processor Align DAT port on the processor with the plug on the DAT Publication 1764 UM001B EN P April 2002 2 20 Installing Your Controller 4 To remove DAT grasp using finger areas and pull upward Memory Module Real Time Clock 1 Remove the cover or DAT if installed from the processor as shown below ATTENTION Electrostatic discharge can damage semiconductor devices inside the base and processor units Do not touch the connector pins or other sensitive areas Publication 1764 UM001B EN P April 2002 Installing Your Controller 2 21 Align connector on the memory module with the connector pins on the processor Publication 1764 UM001B EN P April 2002 2 22 Installing Your Controller Publication 1764 UM001B EN P April 2002 Compact 1 0 Attach and Lock Module Module to Controller or Module to Module A Compact I O module can be attached
90. ex protocol or Modbus Slave RTU protocol as shown in the following illustration Do not use DH 485 protocol through modems under any circumstance See Using Modems with MicroLogix 1500 Programmable Controllers on page E 3 for information on types of modems you can use with the MicroLogix controllers Modem Cable straight through MicroLogix1500 odem Controller with 1764 LRP Processor Modem Isolated Modem Connection We recommend using an AIC catalog number 1761 NET AIC as your optical isolator for Channel 0 See page 4 16 for specific AIC cabling information Using an AIC to isolate the modem is illustrated below He MicroLogix 1500 with 1764 LSP or 1764 LRP processor 1761 CBL AMOO F fru or 1761 CBL HM02 Us ie ETIPTIT i J User supplied modem cable Ws Modem 24V dc MicroLogix 1500 provides power to the AIC or an external power supply may be used Publication 1764 UM001B EN P April 2002 4 6 Communication Connections Publication 1764 UM001B EN P April 2002 Constructing Your Own Modem Cable If you construct your own modem cable the maximum cable length is 15 24 m 50 ft with a 25 pin or 9 pin connector Refer to the following typical pinout for constructing a straight through cable pins 4 and 6 are internally connected for 1764 LRP only Const
91. from the RS 232 communication channel DF1 Full Duplex DF1 Half Duplex Slave e DH 485 e Modbus RTU Slave 1764 LSP and 1764 LRP Series B Processors only ASCII 1764 LSP and 1764 LRP Series B Processors only See Chapter 4 for information about required network devices and accessories The communications port on the MicroLogix 1500 utilizes an RS 232 interface RS 232 is an Electronics Industries Association EIA standard that specifies the electrical characteristics for serial binary communication It provides you with a variety of system configuration possibilities RS 232 defines electrical characteristics it is nota protocol One of the biggest benefits of an RS 232 interface is that it lets you easily integrate telephone and radio modems into your control system DF1 Full Duplex protocol is an open protocol developed by Allen Bradley It provides a point to point connection between two devices DF1 Full Duplex protocol combines data transparency American National Standards Institute ANSI X3 28 1976 specification subcategory D1 and 2 way simultaneous transmission with embedded responses subcategory F1 Refer to DF1 Protocol and Command Set Reference Manual publication 1770 6 5 16 for more information DF1 Full Duplex protocol also referred to as DF1 point to point protocol is useful where RS 232 point to point communication is required DF1 protocol controls message flow detects and signals errors and retri
92. he operating system upgrade The controller must be configured for default communications use communications toggle push button DCOMM LED on and be in the Program mode to allow the download of a new operating system Publication 1764 UM001B EN P April 2002 D 2 Upgrading Your Operating System Performing the Upgrade Missing Corrupt OS LED Pattern Publication 1764 UM001B EN P April 2002 The following steps occur during the upgrade process Controller mode and communications parameters are checked Download begins During the download the Force Battery and Comms LEDs perform a walking bit pattern When the download is complete the integrity of the new OS is checked If the new OS is corrupt the controller sends an error message to the computer and flashes the Missing or Corrupt OS LED pattern See Missing Corrupt OS LED Pattern below Following a successful transfer the Power Force and Battery LEDs flash on and remain on for five seconds Then the controller resets When an operating system download is not successful or if the controller does not contain a valid operating system the controller flashes the Run Force and Fault LEDS on and off RS 232 Communication Interface DF1 Full Duplex Protocol Appendix E Understanding Communication Protocols Use the information in this appendix to understand the differences in communication protocols The following protocols are supported
93. hen held F1 Key and Indicator Light Controls the F1 status bit When the F1 key is pressed or latched the F1 indicator LED is lit F2 Key and Indicator Light Controls the F2 status bit When the F2 key is pressed or latched the F2 indicator LED is lit ESC Key Cancels a current operation BIT Key and Indicator Light Pressing the BIT key puts the DAT in bit mode The bit indicator light is on when the DAT is in bit mode INT Key and Indicator Light Pressing the INT key puts the DAT in integer mode The integer indicator light is on when the DAT is in integer mode ENTER Key Press to select the flashing element number or enter data value PROTECTED Indicator Light Indicates element data cannot be changed using the DAT element is read only TIP The F1 F2 ESC BIT INT and ENTER keys do not repeat when held Holding down any one of these keys results in only one key press The Up Down arrow key is the only key that repeats when held Power Up Operation The DAT receives power when it is plugged into the controller Upon power up the DAT performs a self test If the test fails the DAT displays an error code all indicator lights are deactivated and the DAT does not respond to any key presses See DAT Error Codes on page 5 10 B 2 Allen Bradley PROTECTED gt a gt gt E Bm Q int Center After a successful self
94. horizontally with the Compact expansion I O extending to the right of the base unit Allow 50 mm 2 in minimum of space on all sides for adequate ventilation as shown below Publication 1764 UM001B EN P April 2002 Controller Compact 0 Compact 1 0 Compact I 0 Compact 1 0 Bottom 39 Compact 1 0 Installing Your Controller 2 13 Mounting the Controller ATTENTION Do not remove protective debris strips until after the base and all other equipment in the panel near the base is mounted and wiring is complete The debris strips are there to prevent drill fragments wire strands and other dirt from getting into the controller Once wiring is complete remove protective debris strips and install processor unit Failure to remove strips before operating can cause overheating Protective Debris Strips ESD Barrier ATTENTION Be careful of metal chips when drilling mounting holes for your controller or other equipment within the enclosure or panel Drilled fragments that fall into the controller could cause damage Do not drill holes above a mounted controller if the protective debris strips have been removed ATTENTION Electrostatic discharge can damage semiconductor devices inside the base unit Do not touch the connector pins or other sensitive areas Publication 1764 UM001B EN P April 2002 2 14 Installing Your Controller TIP If additional I
95. ible program data transport mechanism allowing the user to transfer the program and data to the controller without the use of a personal computer and programming software The memory module can store one user program at a time During transfers from a memory module the controllers RUN LED flashes Publication 1764 UM001B EN P April 2002 6 4 Using Real Time Clock and Memory Modules Publication 1764 UM001B EN P April 2002 Program Compare The memory module can also provide application security allowing you to specify that if the program stored in the memory module does not match the program in the controller the controller will not enter an executing run or remote run mode To enable this feature set the S 2 9 bit in the system status file Refer to the MicroLogix 1200 and MicroLogix 1500 Instruction Set Reference Manual publication 1762 RMO001 for more information Data File Download Protection The memory module allows the user to specify individual data files in the controller that are protected from the download procedure This allows user data to be saved not overwritten during a download TIP Data file download protection is only functional if the processor does not have a fault and if all protected data files in the memory module exactly p match the protected data file structure within the controller Refer to the MicroLogix 1200 and MicroLogix 1500 Instruction Set Reference Manual publication 1762 RMO001
96. ilters To help reduce the effects of environmental noise install the MicroLogix 1500 system in a properly rated i e NEMA enclosure Make sure that the MicroLogix 1500 system is properly grounded A system may malfunction may occur due to a change in the operating environment after a period of time We recommend periodically checking system operation particularly when new machinery or other noise sources are installed near the Micrologix 1500 system Transistor Output Transient Pulses Mae brief transient current pulse may flow through transistor outputs if the external supply voltage is suddenly applied at the V dc and V dc com terminals e g via the master control relay It is a fast rate of change of voltage at the terminals that causes the pulse This condition is inherent in transistor outputs and is common to solid state devices The transient pulses may occur regardless of whether the controller is powered or running The transient energy is dissipated in the load and the pulse duration is longer for loads with high impedance The graph below illustrates the relation between pulse duration and load current Power up transients will not exceed the times shown in the graph For most applications the pulse energy is not sufficient to energize the load To reduce the possibility of inadvertent operation of devices connected to transistor outputs consider adding an external resistor in parallel to the load to increase
97. information Italic type is used for emphasis Rockwell Automation Rockwell Automation offers support services worldwide with over 75 S t Sales Support Offices 512 authorized Distributors and 260 authorized uppor Systems Integrators located throughout the United States alone plus Rockwell Automation representatives in every major country in the world Local Product Support Contact your local Rockwell Automation representative for sales and order support product technical training warranty support e support service agreements Technical Product Assistance Before you contact Rockwell Automation for technical assistance we suggest you please review the troubleshooting information contained in this publication first Publication 1764 UM001B EN P April 2002 Preface P 4 Publication 1764 UM001B EN P April 2002 If the problem persists call your local Rockwell Automation representative or contact Rockwell Automation in one of the following ways Phone United 1 440 646 5800 States Canada Outside United You can access the phone number for your States Canada country via the Internet 1 Go to http www ab com 2 Click on Product Support http support automation rockwell com 3 Under Support Centers click on Contact Information Internet gt 1 Go to http www ab com 2 Click on Product Support http support automation rockwell com Your Questions or Comments on this Manua
98. ity Page 4 23 Typical CPU hold up time Page A 1 Updated system loading and heat Appendix F dissipation worksheets System loading graphs for 1769 power supplies including 1769 PA4 and 1769 PB4 pages F 5 through F 7 Publication 1764 UM001B EN P March 2002 Summary of Changes iv Publication 1764 UM001B EN P March 2002 Hardware Overview Installing Your Controller Table of Contents Preface Who Should Use this Manual 004 P 1 Purpose of this Manudli ssa sued e y MG Oe oe P 1 Related Documentation o s edet eee tek Ata cee ds P 1 Common Techniques Used in this Manual P 3 Rockwell Automation Support llle P 3 Local Product SUPPORT usua S La sos D apes Ede etm P 3 Technical Product Assistance ur ay xoc y xe oes P 3 Your Questions or Comments on this Manual P 4 Chapter 1 Hardware Features oque oc p qe o dete c CE ye 1 1 MicroLogix 1500 Component Descriptions 1 2 Base Units vt aes 2 OSE hae te Bat SS OES RSS 1 2 PrIOGOSSO S A ase GA ie Soh eee Ae ee lak eee uta ees 1 3 Data Access Tool Catalog Number 1764 DAT 1 3 Memory Modules Real Time Clock iss 1 4 CABICS oi nara om ql EM e Ett Me aw Ert i e def eta 1 4 ESE AM ooo qti qose E oe me Ei eo Decet Et 1 5 Communication Options os dea a es ecw PO RR RP 1 6 Compact Expansion T6 oos vi ep oy gb tr ebbe es 1 6 End Cap PER RCM RR AUR E REA LES RESET EE 1 6 Expansion Power Suppl
99. l If you find a problem with this manual or you have any suggestions for how this manual could be made more useful to you please contact us at the address below Rockwell Automation Automation Control and Information Group Technical Communication Dept A602V P O Box 2086 Milwaukee WI 53201 2086 or visit our internet page at http www rockwellautomation com For the latest information on MicroLogix controllers visit www ab com micrologix Hardware Features Hardware Overview Chapter 1 The MicroLogix 1500 programmable controller is composed of a base unit which contains a power supply input and output circuits and a processor The controller is available with 24 or 28 points of embedded I O Additional I O may be added using Compact I O The hardware features of the controller are 109817 Feature Description Feature Description 2 Interface to Expansion 0 8 Replacement Battery Removable ESD Barrier 3 Input LEDs 9 Battery 4 Output LEDs 10 Terminal Doors and Label 5 Communication Port 11 Data Access Tool 6 Status LEDs 12 Mode Switch Trim Pots 1 Optional Publication 1764 UM001B EN P April 2002 1 2 Hardware Overview MicroLogix 1500 A controller is composed of a processor 1764 LSP or enhanced Tr 1764 LRP with RS 232 port and one of the base units listed below Component Descriptions The FET transistor outputs are avail
100. l information on connections using the AIC refer to the Advanced Interface Converter AIC User Manual publication 1761 6 4 Planning Cable Routes Follow these guidelines to help protect the communication cable from electrical interference Keep the communication cable at least 1 52m 5 ft from any electric motors transformers rectifiers generators arc welders induction furnaces or sources of microwave radiation If you must run the cable across power feed lines run the cable at right angles to the lines If you do not run the cable through a contiguous metallic wireway or conduit keep the communication cable at least 0 15m 6 in from ac power lines of less than 20A 0 30m 1 ft from lines greater than 20A but only up to 100 kVA and 0 60m 2 ft from lines of 100 kVA or more If you run the cable through a contiguous metallic wireway or conduit keep the communication cable at least 0 08m 3 in from ac power lines of less than 20A 0 15m 6 in from lines greater than 20A but only up to 100 kVA and 0 30m 1 ft from lines of 100 kVA or more Running the communication cable through conduit provides extra protection from physical damage and electrical Publication 1764 UM001B EN P April 2002 E 10 Understanding Communication Protocols Publication 1764 UM001B EN P April 2002 interference If you route the cable through conduit follow these additional recommendations Use ferromagnetic conduit
101. lammable solids This exemption authorizes transport of lithium batteries by motor vehicle rail freight cargo vessel and cargo only aircraft providing certain conditions are met Transport by passenger aircraft is not permitted A special provision of DOT E7052 11th Rev October 21 1982 par 8 a provides that Persons that receive cell and batteries covered by this exemption may reship them pursuant to the provisions of 49 CFR 173 22a in any of these packages authorized in this exemption including those in which they were received The Code of Federal Regulations 49 CFR 173 22a relates to the use of packaging authorized under exemptions In part it requires that you must maintain a copy of the exemption at each facility where the packaging is being used in connection with shipment under the exemption Shipment of depleted batteries for disposal may be subject to specific regulation of the countries involved or to regulations endorsed by those countries such as the IATA Articles Regulations of the International Air Transport Association Geneva Switzerland TTTITAET RAE Regulations for transportation of lithium batteries are periodically revised Disposing ATTENTION Do not incinerate or dispose of lithium batteries in general trash collection Explosion or violent rupture is possible Batteries should be collected for disposal in a manner to prevent against short circuiting compacting or destruction of case
102. latched bits DAT 0 F1L and DAT 0 F2L function as latched push buttons and provide latched toggle key functionality When the F1 or F2 key is pressed the DAT sets 1 the corresponding latched key bit within the DAT Function File When the F1 or F2 key is pressed a second time the DAT clears 0 the corresponding latched key bit Working Screen Operation Because the DAT is a communications device its performance is affected by the scan time of the controller Depending on the user program if a long scan time is encountered and the DAT waits for information from the controller a working screen is displayed The Publication 1764 UM001B EN P April 2002 5 8 Using Trim Pots and the Data Access Tool DAT Publication 1764 UM001B EN P April 2002 working screen consists of three dashes that move across the display from left to right While the working screen is displayed key presses are not recognized Once the DAT receives data from the controller it returns to its normal mode of operation If you encounter excessive working screen conditions you can minimize the effect by adding an SVC instruction to the control program Refer to the MicroLogix 1200 and MicroLogix 1500 Programmable Controllers Instruction Set Reference Manual publication 1762 RM001 for information on the SVC instruction Non Existent Elements When the DAT determines that an element number does not exist in the controller the element value displays as th
103. lation Instructions Publication 1761 5 11 DH 485 Network with a MicroLogix 1500 Controller connection from port 1 or port2 MicroLogix 1500 to MicroLogix Channel 1 a ay 1761 CBL APOO or 1761 CBL PM02 1747 CP3 24V de user supply needed if not connected to a controller v 24V dc 1761 CBL AMOO or 1761 CBL HM02 or 1761 CBL ACOO connection from port 1 or port 2 to MicroLogix Channel 0 1761 CBL APO0 or 1761 CBL PM02 user supply needed if not connected to a controller Personal Computer EE x PC to port 1 or port 2 1761 CBL AP00 or 1761 CBL PM02 REFERENCE AIC Port Identification Port 3 RS 485 Port 1 DB 9 RS 232 9 Port 2 mini DIN 8 RS 232 Publication 1764 UM001B EN P April 2002 Al ie M 1747 CP3 Bs or 1761 CBL ACOO v user supplied Communication Connections 4 11 Typical 3 Node Network Channel 0 Connection PanelView 550 1 CBL AS08 CBL AS03 RJ45 port 176 or 1761 MicroLogix 1500 with 1764 LSP or 1764 LRP Processor E 3 1761 CBL AC00 1761 CBL AMOO or 1761 CBL HM02 Typical 3 Node Network Channel
104. ll 1764 RPL TB2 base units See page B 5 Publication 1764 UM001B EN P April 2002 B 2 Replacement Parts Lithium Battery 1747 BA IMPORTANT When the processor s Battery Low indicator is lit install a backup battery immediately After the indicator turns on the battery lasts for at least e 14 days for the 1764 LSP 7 days for the 1764 LRP Installing Follow the procedure below to ensure proper replacement battery installation IMPORTANT Do not remove the permanent battery when installing replacement battery 1 Insert battery into replacement battery pocket with wires facing up 2 Insert replacement battery wire connector into connector port 3 Secure battery wires under wire latch as shown below Replacement Battery Pocket Replacement Battery Battery Connector Wires Permanent Battery DO NOT ATTEMPT TO REMOVE d cp A Connector Port Wire Latch Wire Connector Publication 1764 UM001B EN P April 2002 Replacement Parts B 3 Battery Handling Follow the procedure below to ensure proper battery operation and reduce personnel hazards Use only for the intended operation Do not ship or dispose of cells except according to recommended procedures Do not ship on passenger aircraft ATTENTION Do not charge the batteries An explosion could
105. llowing prior to calling controller type series letter and revision letter of the base unit series letter revision letter and firmware FRN number of the processor on bottom side of processor unit e controller LED status e controller error codes found in S2 6 of status file Publication 1764 UM001B EN P April 2002 C 6 Troubleshooting Your System Publication 1764 UM001B EN P April 2002 Appendix D Upgrading Your Operating System The operating system OS can be upgraded through the communication port on the controller In order to download a new operating system you must have the following ControlFLASH Upgrade Kit containing the new OS e a Windows 95 Windows 98 Windows NI or Windows 2000 based computer to run the download software The ControlFLASH Upgrade Kit includes the operating system upgrade to be downloaded the ControlFLASH programming tool along with its support drivers and on line help a readme first file explaining how to upgrade the operating system Preparing for Upgrade Before upgrading the controller s operating system you must Obtain the operating system upgrade from bttp www ab com micrologix or from your local Allen Bradley fj distributor IMPORTANT Installing a new operating system deletes the controller s user program Install the ControlFlash Software Double click the processor catalog number firmware revision number to install t
106. minal blocks B 5 reserved bit G 9 Index 5 response times for high speed dc inputs A 4 response times for normal dc inputs A 4 restore G 8 retentive data G 9 RS 232 communication interface E 1 RS 232 definition G 9 RTU definition G 9 run mode G 9 rung G 9 S safety circuits 2 4 safety considerations disconnecting main power 2 4 periodic tests of master control relay circuit 2 5 power distribution 2 5 safety circuits 2 4 save G 9 scan G 9 scan time G 9 sinking G 9 sinking and sourcing circuits 3 10 sinking wiring diagram 1764 28BXB 3 14 sourcing G 10 sourcing wiring diagram 1764 28BXB 3 15 spade lug wiring 3 3 specifications input A 3 output A 5 relay contact rating table A 5 response times for high speed dc inputs A 4 response times for normal dc inputs A 4 working voltage 1764 24AWA A 7 working voltage 1764 24BWA A 7 working voltage 1764 28BXB A 8 status G 10 surge suppressors for contactor 3 6 for motor starters 3 6 for relays 3 6 recommended 3 6 using 3 4 Publication 1764 UM001B EN P April 2002 6 Index T terminal G 10 thro ughput G 10 Trim Pot Information Function File 5 2 trim trim trou true Publication 1764 UM001B EN P April 2002 pots adjustment 5 1 error conditions 5 2 location 5 1 pots mode switch cover door B 6 bleshooting automatically clearing faults C 4 contacting Allen Bradley for assistance C 5 controller error recovery model C 3 de
107. munication Connections 4 3 Connecting to the RS 232 Port DF1 Full Duplex Communication Parameters When a communication channel is configured for DF1 Full Duplex the following parameters can be changed Table 4 2 DF1 Full Duplex Configuration Parameters Parameter Options Default Baud Rate 300 600 1200 2400 4800 9600 19 2K 38 4K 19 2K Parity none even none Source ID Node 0 to 254 decimal Address Control Line no handshaking Full Duplex modem handshaking anda Error Detection CRC BCC Embedded Responses auto detect enabled auto Duplicate Packet enabled disabled enabled Message Detect ACK Timeout 1 to 65535 counts 20 ms increments 50 counts NAK retries 0 to 255 3 retries ENO retries 0 to 255 retries Stop Bits not a setting always 1 Making a DF1 Full Duplex Point to Point Connection You can connect the MicroLogix 1500 programmable controller to your personal computer using a serial cable from your personal computer s serial port to the controller as shown in the illustrations below ATTENTION Chassis ground internal 24V ground user 24V dc ground and RS 232 ground are internally connected You must connect the chassis ground terminal screw to ground prior to connecting any devices It is important that you understand your personal computer s grounding system before connecting to the controller An optical isolator such as the 1761
108. n experience two different types of errors internal errors and communication errors Internal DAT Errors Internal DAT errors are non recoverable When the DAT experiences an internal error it displays the error screen and does not respond to any key presses Remove and re install the DAT If this does not clear the error the DAT must be replaced Communication Errors The DAT continually monitors the interface between the DAT and the controller to ensure a good communication path If the DAT loses communication with the controller for more than three seconds it generates an interface time out error The DAT automatically attempts to re establish communications The error screen displays until the DAT regains communications with the processor All key presses are ignored until the display clears Publication 1764 UM001B EN P April 2002 5 10 Using Trim Pots and the Data Access Tool DAT DAT Error Codes Error Code Description Caused by Recommended Action 00 Interface time out Communication traffic Add SVC instructions to ladder program 01 to 02 Power up test failure Internal failure Remove and re insert the DAT If failure persists replace the unit 03 to 07 internal error Internal failure Remove and re insert the DAT If failure persists replace the unit 08 processor owned Another device has ownership of the controller Release ownership by the other device 09 access denied Cannot access that fil
109. nd the Data Access Tool DAT The processor has two trimming potentiometers trim pots which allow modification of data within the controller Adjustments to the trim pots change the value in the corresponding Trim Pot Information TPD register The data value of each trim pot can be used throughout the control program as timer counter or analog presets depending upon the requirements of the application The trim pots are located below the mode switch under the left access door of the processor Tf T ln 4l q LENS F j ES Trim Pot 0 MA a ey L4 2 y ri Trim Pot 1 UY iz J l 2x o 95 S Iz Use a small flathead screwdriver to turn the trim pots Adjusting their value causes data to change within a range of 0 to 250 fully clockwise The maximum rotation of each trim pot is three quarters as shown below Trim pot stability over time and temperature is typically 2 counts 76 Q Minimum Maximum fully counterclockwise fully clockwise Trim pot data is updated continuously whenever the controller is powered up Publication 1764 UM001B EN P April 2002 5 2 Using Trim Pots and the Data Access Tool DAT Data Access Tool DAT Publication 1764 UM001B EN P April 2002 Trim Pot Information Function File
110. near critical sources of electrical interference You can use aluminum conduit in non critical areas Use plastic connectors to couple between aluminum and ferromagnetic conduit Make an electrical connection around the plastic connector use pipe clamps and the heavy gauge wire or wire braid to hold both sections at the same potential Ground the entire length of conduit by attaching it to the building earth ground Do not let the conduit touch the plug on the cable Arrange the cables loosely within the conduit The conduit should contain only serial communication cables Install the conduit so that it meets all applicable codes and environmental specifications For more information on planning cable routes see Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 Software Considerations Software considerations include the configuration of the network and the parameters that can be set to the specific requirements of the network The following are major configuration factors that have a significant effect on network performance e number of nodes on the network addresses of those nodes e baud rate The following sections explain network considerations and describe ways to select parameters for optimum network performance speed See your programming software s user manual for more information Number of Nodes The number of nodes on the network directly affects the data transfe
111. ngers or a small screw driver 6 To allow communication between the controller and module move the bus lever fully to the left 4 until it clicks Ensure it is locked firmly in place ATTENTION When attaching I O modules it is very important that the bus connectors are securely locked together to ensure proper electrical connection Publication 1764 UM001B EN P April 2002 2 24 Installing Your Controller 7 Attach an end cap terminator 5 to the last module in the system by using the tongue and groove slots as before 8 Lock the end cap bus terminator 6 A 1769 ECR right end cap or a 1769 ECL left end cap IMPORTANT IMPORTANT if I O bank is located below the controller must be used to terminate the end of the serial communication bus See Controller Dimensions on page A 9 for mounting dimensions Publication 1764 UM001B EN P April 2002 Wiring Your Controller Chapter 3 This chapter describes how to wire your controller Topics include wiring requirements using surge suppressors grounding guidelines sinking and sourcing circuits wiring diagrams input voltage ranges and output voltage ranges minimizing noise Wiring Requirements Wire Type Wire Size Solid Cu 90 C 194 F 14 to 22 AWG Stranded Cu 90 C 194 F 14 to 22 AWG Wiring Torque 1 13 Nm 10 in Ib rated 1 3 Nm 12 in Ib maximum 1 Two wires maximum per terminal screw ATTEN
112. not used by 10Base T oj NM OD on A wy N not used by 10Base T When to use straight through and cross over cable e ENI Ethernet port to 10Base T Ethernet switch cables utilize a straight through pin out 1 1 2 2 3 3 6 6 Direct point to point 10Base T cables connecting the ENI Ethernet port directly to another ENI Ethernet port or a computer 10Base T port require a cross over pin out 1 3 2 6 3 1 6 2 Publication 1764 UM001B EN P April 2002 4 24 Communication Connections RS 232 Connections Port 2 of the ENI is an 8 pin mini DIN RS 232 port that provides connection to DF1 compatible RS 232 devices The connector pin assignments are shown below 8 pin mini DIN Pin Port 2 1 24V dc ground GND no connection ENI input data RxD no connection no connection ENI output data TxD oj NI OD oy A WwW N ground GND The table below describes the RS 232 compatible cables ENI Connected to Catalog Number Use Cable MicroLogix all series Mini DIN to Mini DIN 1761 CBL AMOO 45 cm 17 7 in 1761 CBL HM02 2m 6 5 ft SLC 5 03 SLC 5 04 or Mini DIN to D Shell SLC 5 05 Channel 0 1761 CBL AP00 45 cm 17 7 in 1761 CBL PM02 2m 6 5 ft PLC 5 Mini DIN to D Shell 1761 CBL APO0 45 cm 17 7 in 1761 CBL PM02 2m 6 5 ft Publication 1764 UM001B EN P April 2002 Trim Pot Operation Chapter 5 Using Trim Pots a
113. nsmission power and time when there is no message to transmit Duplicate Packet Message Detect enabled disabled Detects and eliminates duplicate responses to a message Duplicate packets may be sent under noisy communication conditions if the sender s Message Retries are not set to 0 Poll Timeout x20 ms 0 to 65535 can be set in 20 ms increments Poll Timeout only applies when a slave device initiates a MSG instruction It is the amount of time that the slave device waits for a poll from the master device If the slave device does not receive a poll within the Poll Timeout a MSG instruction error is generated and the ladder program needs to requeue the MSG instruction If you are using a MSG instruction it is recommended that a Poll Timeout value of zero not be used Poll Timeout is disabled when set to zero RTS Off Delay x20 ms 0 to 65535 can be set in 20 ms increments Specifies the delay time between when the last serial character is sent to the modem and when RTS is deactivated Gives the modem extra time to transmit the last character of a packet RTS Send Delay x20 ms 0 to 65535 can be set in 20 ms increments Specifies the time delay between setting RTS until checking for the CTS response For use with modems that are not ready to respond with CTS immediately upon receipt of RTS Message Retries 0 to 255 Specifies the number of times a slave device attempts to resend a message packet when it do
114. nt of the base unit on the DIN rail meets the recommended spacing requirements see Controller Spacing on page 2 12 Refer to the mounting template from the inside back cover of the MicroLogix 1500 Programmable Controller Base Units Installation Instructions publication 1764 IN001 2 Hook the top slot over the DIN rail 3 While pressing the base unit down against the top of the rail snap the bottom of the base unit into position Ensure DIN latches are in the up secured position 4 Leave the protective debris strip attached until you are finished wiring the base unit and any other devices To remove your base unit from the DIN rail 1 Place a flat blade screwdriver in the DIN rail latch at the bottom of the base unit 2 Holding the base unit pry downward on the latch until the latch locks in the open position Repeat this procedure with the second latch This releases the base unit from the DIN rail DIN Rail Latch Publication 1764 UM001B EN P April 2002 2 16 Installing Your Controller Publication 1764 UM001B EN P April 2002 Base Unit Panel Mounting Mount to panel using 8 or M4 screws Mounting Template To install your base unit using mounting screws 1 Remove the mounting template from the inside back cover of the MicroLogix 1500 Programmable Controller Base Units Installation Instruction publication 1764 IN001 Secure the template to the mounting surface Make sure your
115. oad The transfer of program or data files to a device DCD Data Carrier Detect A signal generated by a modem that represents traffic activity on a communications network Glossary 3 DTE Data Terminal Equipment EMI Electromagnetic interference embedded I O Embedded I O is the controllers on board I O For MicroLogix controllers embedded I O is all I O residing at slot 0 expansion I O Expansion I O is I O that is connected to the controller via a bus or cable MicroLogix 1200 controllers use Bulletin 1762 expansion I O MicroLogix 1500 controllers use Bulletin 1769 expansion I O For MicroLogix controllers expansion I O is all I O residing at slot 1 and higher encoder A device that detects position and transmits a signal representing that position executing mode Any run remote run or test mode false The status of an instruction that does not provide a continuous logical path on a ladder rung FIFO First In First Out The order that data is stored and retrieved from a file file A collection of data or logic organized into groups full duplex A mode of communication where data may be transmitted and received simultaneously contrast with half duplex Publication 1764 UM001B EN P April 2002 Glossary 4 Publication 1764 UM001B EN P April 2002 half duplex A mode of communication where data transmission is limited to one direction at a time hard disk A storage device in a person
116. odes concerning the placement and labeling of emergency stop switches Install emergency stop switches and the master control relay in your system Make certain that relay contacts have a sufficient rating for your application Emergency stop switches must be easy to reach In the following illustration input and output circuits are shown with MCR protection However in most applications only output circuits require MCR protection The following illustrations show the Master Control Relay wired in a grounded system In most applications input circuits do not require MCR protection however if you need to remove power from all field devices you must include MCR B contacts in series with input power wiring Publication 1764 UM001B EN P April 2002 2 10 Installing Your Controller Schematic Using IEC Symbols Disconnect Fuse MCR i 230V ac T 1 0 T Circuits Isolation p Operation of either ofthese contacts will p E Transformer l remove power from the external 1 0 115V ac circuits stopping machine motion n or 230V ac x2 Emergency Stop Start Master Control Relay MCR M Fuse ee Overtravel a m Cat No 700 PK400A1 l Limit Switch e l MCR Suppressor IX OXON A a Tr e e Suppr Cat No is 700 N24 e 115V ac or 230V ac 1 0 Circuits dc Power Supply Use IEC 950 EN 60950 nut 2AV dc Lo Hi wa ircuits Line Te
117. on on mounting and wiring the MicroLogix 1500 Base MicroLogix 1500 Programmable Controllers 1764 IN001 Units including a mounting template for easy installation Base Unit Installation Instructions An overview of Compact I 0 Compact I 0 System Overview 1769 S0001 More information on Compact I O Power Supplies and Cables 1769 Compact I O Power Supplies and 1769 TD001 Communication Bus Expansion Cables Technical Data More information on Compact Analog 1 0 and Temperature Input Compact Analog I O and Temperature Input 1769 TD004 Modules Modules Technical Data Detailed information on using Compact 1 0 Analog Modules Compact 1 0 Analog Modules User Manual 1769 UM002 Detailed information on installing configuring and using Compact 1 0 1769 IT6 Thermocouple mV 1769 UM004 1769 IT6 Thermocouple mV Input Modules Input Module User Manual Detailed information on installing configuring and using Compact 1 0 1769 IR6 RTD Resistance Input 1769 UMO005 1769 IR6 RTD Resistance Input Modules Module User Manual Detailed information on installing configuring and using Compact 1769 HSC High Speed Counter 1769 UM006 1769 HSC High Speed Counter Modules Module User Manual A description on how to install and connect an AIC This Advanced Interface Converter AIC User 1761 6 4 manual also contains information on network wiring Manual Information on how to install configure and commission a DNI DeviceNet Interface User Manual 1761 6 5 Information on installing c
118. on solid representative if the error persists Loose Wiring Verify connections to the controller Power LED Application Hardware Software 1 Monitor Status File Word on and fault Major Fault S 6 for major error code FAULT LED Detected See page C 5 for more flashing information N Remove hardware software condition causing fault Clear Major Error Halted flag bit 2 1 13 4 Attempt a controller Run mode entry If unsuccessful repeat recommended action steps above or contact your local Rockwell Automation distributor 99 Troubleshooting Your System C 3 Controller Error Recovery Model Identify the error code and description Refer to page C 2 for probable cause and recommended action Clear fault Correct the condition causing the fault Return controller to RUN or any of the REM test modes Test and verify system operation Use the following error recovery model to help you diagnose software and hardware problems in the micro controller The model provides common questions you might ask to help troubleshoot your system Refer to the recommended pages within the model for further help Is the error hardware related Are the wire connections tight Yes Is the Power LED on Yes Is the RUN LED on No No No Is the Fault LED on See page C 2 for probable cause and recommended action Tighten wire connections
119. onnecting and configuring an ENI Ethernet Interface User Manual 1761 UM001 Information on installing configuring and using a DeviceNet Compact I 0 1769 SDN DeviceNet Scanner 1761 UMO009 Scanner User Manual Information on DF1 open protocol DF1 Protocol and Command Set Reference 1770 6 5 16 Manual In depth information on grounding and wiring Allen Bradley Allen Bradley Programmable Controller 1770 4 1 programmable controllers Grounding and Wiring Guidelines A description of important differences between solid state Application Considerations for Solid State SGI 1 1 programmable controller products and hard wired electromechanical devices Controls An article on wire sizes and types for grounding electrical equipment National Electrical Code Published by the National Fire Protection Association of Boston MA A complete listing of current documentation including ordering Allen Bradley Publication Index SD499 instructions Also indicates whether the documents are available on CD ROM or in multi languages A glossary of industrial automation terms and abbreviations Allen Bradley Industrial Automation Glossary AG 7 1 Publication 1764 UM001B EN P April 2002 Preface P 3 Common Techniques Used The following conventions are used throughout this manual in this Manual Bulleted lists such as this one provide information not procedural steps e Numbered lists provide sequential steps or hierarchical
120. or more information on status bits refer to the MicroLogix 1200 and MicroLogix 1500 Instruction Set Reference Manual publication 1762 RMO001 You can declare your own application specific major fault by writing your own unique value to S 6 and E then setting bit S 1 13 to prevent reusing system defined codes The recommended values for user defined faults are FFOO to FFOF Manually Clearing Faults Using the Fault Routine The occurrence of recoverable or non recoverable user faults can cause the user fault subroutine to be executed If the fault is recoverable the subroutine can be used to correct the problem and clear the fault bit S 1 13 The controller then continues in the Run or test mode The subroutine does not execute for non user faults Refer to the MicroLogix 1200 and MicroLogix 1500 Instruction Set Reference Troubleshooting Your System C 5 Calling Rockwell Automation for Assistance Manual publication 1762 RM001 for information on creating a user fault subroutine Fault Messages Refer to the MicroLogix 1200 and 1500 Instruction Set Reference Manual publication 1762 RM001 for the controller fault messages that can occur during operation of the MicroLogix 1500 programmable controllers Each fault message includes the error code description the probable cause and the recommended corrective action If you need to contact Rockwell Automation or local distributor for assistance it is helpful to obtain the fo
121. or off Throughput consists of input delays program scan output delays and overhead true The status of an instruction that provides a continuous logical path on a ladder rung upload Data is transferred from the controller to a programming or storage device watchdog timer A timer that monitors a cyclical process and is cleared at the conclusion of each cycle If the watchdog runs past its programmed time period it causes a fault write To send data to another device For example the processor writes data to another device with a message write instruction Numerics 1764 24AWA features 1 1 1764 24AWA wiring diagram 3 11 1764 24BWA features 1 1 1764 24BWA sinking wiring diagram 3 12 1764 24BWA sourcing wiring diagram 3 13 1764 28BXB features 1 1 1764 28BXB sinking wiring diagram 3 14 1764 28BXB sourcing wiring diagram 3 15 1764 LRP processor 1 3 1764 LSP processor 1 3 A address G 1 AIC applying power to 4 20 attaching to the network 4 20 connecting 4 15 isolated modem 4 5 installing 4 20 recommended user supplied components 4 19 selecting cable 4 17 AIC Advanced Interface Converter G 1 Allen Bradley contacting for assistance C 5 support P 3 application G 1 ASCII protocol E 13 attach and lock module 2 22 base comms door B 6 base terminal door B 6 base unit panel mounting 2 16 base units hardware overview 1 2 battery processor battery life expectancy B 2 processor replacement battery B 2
122. osed when the relay is energized or the switch is activated off delay time The OFF delay time is a measure of the time required for the controller logic to recognize that a signal has been removed from the input terminal of the controller The time is determined by circuit component delays and by any applied filter offline When a device is not scanning controlling or when a programming device is not communicating with the controller Glossary 7 offset A continuous deviation of a controlled variable from a fixed point off state leakage current When a mechanical switch is opened off state no current flows through the switch Semiconductor switches and transient suppression components which are sometimes used to protect switches have a small current flow when they are in the off state This current is referred to as the off state leakage current To ensure reliable operation the off state leakage current rating must be less than the minimum operating current rating of the device that is connected on delay time The ON delay time is a measure of the time required for the controller logic to recognize that a signal has been presented at the input terminal of the controller one shot A programming technique that sets a bit ON or OFF for one program scan online When a device is scanning controlling or when a programming device is communicating with the controller operating voltage For inputs the voltage range nee
123. osive atmosphere Harmful contaminants or dirt Be could cause improper operation or damage to components In extreme cases you may need to use air conditioning to protect against heat build up within the enclosure Publication 1764 UM001B EN P April 2002 2 8 Installing Your Controller Master Control Relay Publication 1764 UM001B EN P April 2002 A hard wired master control relay MCR provides a reliable means for emergency machine shutdown Since the master control relay allows the placement of several emergency stop switches in different locations its installation is important from a safety standpoint Overtravel limit switches or mushroom head push buttons are wired in series so that when any of them opens the master control relay is de energized This removes power to input and output device circuits Refer to the figures on pages 2 10 and 2 11 se circuits f heir function ATTENTION Never alter these circuits to defeat their functio since serious injury and or machine damage could result If you are using an external dc power supply interrupt the dc output side rather than the ac line his side of the supply to avoid the additional delay of power supply turn off The ac line of the dc output power supply should be fused Connect a set of master control relays in series with the dc power supplying the input and output circuits Place the main power disconnect switch where operators and maintenan
124. our Controller Using Surge Suppressors Publication 1764 UM001B EN P April 2002 Inductive load devices such as motor starters and solenoids require the use of some type of surge suppression to protect and extend the operating life of the controller s output contacts Switching inductive loads without surge suppression can significantly reduce the life expectancy of relay contacts By adding a suppression device directly across the coil of an inductive device you prolong the life of the output or relay contacts You also reduce the effects of voltage transients and electrical noise from radiating into adjacent systems The following diagram shows an output with a suppression device We recommend that you locate the suppression device as close as possible to the load device ag Suppression VAC D Device Out 0 RO Ou Ou acordc Ou Outputs Ou Qu Ou Out CO SI jon Ae oo N gt dc COM or L2 z If the outputs are dc we recommend that you use an 1N4004 diode for surge suppression as shown below 24V de VAC D Out 0 Out 1 Ou Relay or Solid Ou State dc Outputs Oy Ou Ou Out7 24V dc common COM IN4004 Diode Cci A Cc2 nr5 Oo Suitable surge suppression methods for inductive ac load devices include a varistor an RC network or an Allen Bradley surge suppressor all shown below These componen
125. pansion Expansion 1 0 Bank 1 1769 CRLx 1 0 Bank 2 Expansion Cable The x in this catalog number can be either a 1 or a 3 representing the length of the cable 1 1 foot 305 mm and 3 3 28 feet 1 meter Publication 1764 UM001B EN P April 2002 Hardware Overview 1 11 Addressing Expansion 1 0 The expansion I O is addressed as slots 1 through 16 the controllers Jj embedded I O is addressed as slot 0 Power supplies and cables are not counted as slots Modules are counted from left to right on each bank as shown in the illustrations below For more information on addressing refer to the MicroLogix 1200 and MicroLogix 1500 Programmable Controllers Instruction Set Reference Manual publication 1762 RMO001 Vertical Orientation e Expansion Embedded 1 0 Bank 1 1 0 Slot 0 Vy i e Expansion 1 0 Bank 2 e er iu e 8 a nw uw Horizontal Orientation Or O Fal D 8 Eo Embedded e in 1 0 Slot 0 a SIs T MN b gg Uu B Somas Expansion 1 0 Bank 1 Expan
126. parate paths Separate wiring by signal type Bundle wiring with similar electrical characteristics together e Separate input wiring from output wiring Label wiring to all devices in the system Use tape shrink tubing or other dependable means for labeling purposes In addition to labeling use colored insulation to identify wiring based on signal characteristics For example you may use blue for dc wiring and red for ac wiring Wiring Your Controller 3 3 Wiring without Spade Lugs When wiring without spade lugs it is recommended to keep the finger safe covers in place Loosen the terminal screw and route the wires through the opening in the finger safe cover Tighten the terminal screw making sure the pressure plate secures the wire Finger Safe Cover terminal screw torque 1 13 Nm 10 in Ibs rated 1 3 Nm 12 in lbs max Wiring with Spade Lugs The diameter of the terminal screw head is 5 5 mm 0 220 in The input and output terminals of the MicroLogix 1500 base unit are designed for a 6 35mm 0 25 in wide spade standard for 6 screw for up to 14 AWG or a 4 mm metric 4 fork terminal When using spade lugs use a small flat blade screwdriver to pry the finger safe cover from the terminal blocks as shown below Then loosen the terminal screw Finger Safe Cover terminal screw torque 1 13 Nm 10 in Ibs rated 1 3 Nm 12 in Ibs max Publication 1764 UM001B EN P April 2002 3 4 Wiring Y
127. pecially designed cable The additional I O bank must include a power supply and an end cap TIP gt Depending on the system configuration each controller can support up to 16 expansion I O modules See the System Requirements for Using Expansion Modules below Also see System Guidelines on page 1 9 for system limitations and illustrations of expansion I O banks System Requirements for Using Expansion Modules To support a maximum of 8 I O modules in an additional I O bank you must have the following Table 1 3 Requirements to Support a Maximum of 8 1 0 Modules Product Catalog Number MicroLogix 1500 Processor 1764 LSP Series A Revision C or higher 1764 LSP Series B or higher 1764 LRP Series B or higher MicroLogix 1500 Base Unit 1764 24AWA Series A or higher 1764 24BWA Series A or higher 1764 28BXB Series A or higher Operating System Version Firmware Revision Number FRN 3 or higher 1764 LSP Series A RSLogix 500 Version 3 01 09 or higher TN 1764 LSP Series B RSLogix 500 Version 4 00 00 or higher 9 9 1764 LRP Series B Software 1764 LSP Series C RSLogix 500 Version 5 00 00 or higher 1764 LRP Series C 1 Power Supply 1769 PA2 1769 PA4 optional 1769 PB2 1769 PB4 1 Cable optional 1769 CRL1 1769 CRL3 1769 CRR1 1769 CRR3 1 End Cap required 1769 ECL 1769 ECR 1 You can check the FRN by looking at word S 59 Operating System FRN in the S
128. programming or data acquisition across DH to DH 485 2760 RB Flexible 1771 PLC Provides an interface for SLC 500 using protocol cartridge 1747 KE Interface Chassis 2760 SFC3 to other A B PLCs and devices Three configurable 2760 NDO01 Module channels are available to interface with Bar Code Vision RF Dataliner and PLC systems 1784 KTX PC DH 485 IBM XT AT Provides DH 485 using RSLinx 1784 6 5 22 KTXD IM Computer Bus 1784 PCMK POMCIAIM PCMCIA slot Provides DH 485 using RSLinx 1784 6 5 19 in computer and Interchange Publication 1764 UM001B EN P April 2002 E 8 Understanding Communication Protocols Table E 2 Allen Bradley Devices that Support DH 485 Communication Catalog Description Installation Function Publication Number 1747 PT1 Hand Held NA Provides hand held programming monitoring configuring and 1747 NP002 Terminal troubleshooting capabilities for SLC 500 processors 1747 DTAM DTAM Panel Mount Provides electronic operator interface for SLC 500 processors 1747 ND013 2707 L8P1 DTAM Plus 2707 800 L8P2 and DTAM 2707 803 L40P1 Micro L40P2 Operator V40P1 Interfaces V40P2 V40P2N M232P3 and M485P3 2711 K5A2 PanelView Panel Mount Provides electronic operator interface for SLC 500 processors 2711 802 2711 816 B5A2 550 and K5A5 PanelView B5A5 900 Operator K5A1 Terminals B5A1 K9A2 T9A2 K9A5 T9A5 K9A1
129. r time between nodes Unnecessary nodes such as a second programming terminal that is not being used slow the data transfer rate The maximum number of nodes on the network is 32 Understanding Communication Protocols E 11 Setting Node Addresses The best network performance occurs when node addresses are assigned in sequential order Initiators such as personal computers should be assigned the lowest numbered addresses to minimize the time required to initialize the network The valid range for the MicroLogix 1500 controllers is 1 31 controllers cannot be node 0 The default setting is 1 The node address is stored in the controller Communications Status file CS0 5 0 to CS0 5 7 Setting Controller Baud Rate The best network performance occurs at the highest baud rate which is 19200 This is the default baud rate for a MicroLogix 1500 device on the DH 485 network All devices must be at the same baud rate This rate is stored in the controller Communications Status file CS0 5 8 to CS0 5 15 Setting Maximum Node Address Once you have an established network set up and are confident that you will not be adding more devices you may enhance performance by adjusting the maximum node address of your controllers It should be set to the highest node address being used IMPORTANT All devices should be set to the same maximum node address MicroLogix Remote Packet Support MicroLogix 1500 controllers can respond and initiat
130. r causes the controller to write zeros to the RTC Function File Real Time Clock Function File The real time clock provides year month day of month day of week hour minute and second information to the Real Time Clock RTC Function File in the controller Refer to the MicroLogix 1200 and MicroLogix 1500 Instruction Set Reference Manual publication 1762 RMO001 for information about the RTC function file Publication 1764 UM001B EN P April 2002 6 2 Using Real Time Clock and Memory Modules Publication 1764 UM001B EN P April 2002 Accuracy The following table indicates the expected accuracy of the real time clock at various temperatures Ambient Temperature Accuracy 0 C 32 F 34 to 70 seconds month 25 C 77 F 36 to 68 seconds month 40 C 104 F 29 to 75 seconds month 55 C 131 F 133 to 237 seconds month 1 These numbers are expected worst case values over a 31 day month Writing Data to the Real Time Clock When valid data is sent to the real time clock from the programming device the new values take effect immediately The real time clock does not allow you to write invalid date or time data RTC Battery Operation The real time clock has an internal battery that is not replaceable The RTC Function File features a battery low indicator bit RTC 0 BL which shows the status of the RTC battery When the battery is low the indicator bit is set 1 This means that
131. r port 2 1761 CBL AMOO or 1761 CBL HM02 1761 CBL AMOO or T 1761 CBL HM02 1761 CBL APOO or 1761 CBL PM02 1761 CBL APOO or 1761 CBL PM02 REFERENCE AIC Port Identification Port 3 RS 485 fie Port 2 mini DIN 8 RS 232 Port 1 DB 9 RS 232 Publication 1764 UM001B EN P April 2002 Communication Connections 4 9 Rockwell Software RSLinx 2 0 or higher SLC 5 03 SLC 5 04 and SLC 5 05 or PLC 5 processors configured for DF1 Half Duplex Master DF1 Half Duplex Network Using PC and Modems sme MicroLogix 1000 Slave roLogix MicroLogix 1500 with O Slave 1764 SP or 1764 LRP Processor Slave DF1 Half Duplex Protocol il 47 I Bi 5o MicroLogix 1500 with SLC 5 03 Slave 1764 LRP Processor Slave Publication 1764 UM001B EN P April 2002 4 10 Communication Connections Connecting to a DH 485 Network The following network diagrams provide examples of how to connect MicroLogix 1500 controllers to the DH 485 network using the Advanced Interface Converter AIC catalog number 1761 NET AIC For more information on the AIC see the Advanced Interface Converter and DeviceNet Interface Instal
132. recovery model C 3 controller faults C 1 controller LED status C 1 controller operation normal C 2 counters definition G 2 CPU central processing unit definition CSA certification see C UL 2 1 C UL certification 2 1 D DAT Communication Errors 5 9 configuration 5 4 Controller Faults Displayed 5 8 display 5 5 Error Conditions 5 9 Internal Errors 5 9 keypad 5 3 power up operation 5 3 DAT Function File 5 4 Publication 1764 UM001B EN P April 2002 data access tool hardware overview 1 3 installing 2 19 data table G 2 DCD definition G 2 DeviceNet Communications 4 22 4 23 DeviceNet network connecting 4 22 4 23 selecting cable 4 22 DF1 fullduplex protocol configuration parameters E 1 connecting 4 3 description E 1 using a modem 4 5 E 3 DF1 halfduplex protocol description E 2 DH485 communication protocol configuration parameters 4 12 E 6 DH485 network configuration parameters E 10 connecting 4 10 description E 5 devices that use the network E 7 installation 4 12 planning considerations E 8 protocol E 6 token rotation E 6 DIN rail G 2 mounting 2 14 removing your base unit 2 15 disconnecting main power 2 4 download G 2 DTE definition G 3 E Electronics Industries Association EIA E 1 electrostatic discharge preventing 2 17 EMC 2 1 EMC Directive 2 1 emergency stop switches 2 9 EMI G 3 encoder definition G 3 end cap hardware overview 1 6 ENTER key 5 3 error recovery model C 3 errors controller
133. ree dashes If the protection bit for an element is undefined the DAT will assume that the element is unprotected Controller Faults The DAT checks for controller faults every 10 seconds When the DAT detects a controller fault the display shows FL in the element number field and the value of the controller s major fault word S2 6 is displayed in the value field as shown below Allen Bradley PROTECTED Gi ad Cds BIT int C JENTER TIP If an element value is being modified when the fault is detected the fault is stored until the modification is accepted or discarded Then the fault will be displayed Using Trim Pots and the Data Access Tool DAT 5 9 Pressing ESC while the fault is being displayed returns the DAT to its previous mode The fault is not removed from the controller just from the DAT display screen The fault that was on screen will not display again and cannot be recalled If a new fault is detected it will be displayed If the initial fault is cleared and returns at a later time the DAT will display the fault at that time Error Conditions When the DAT detects an error in its own operation it displays the error screen The error screen consists of Err and a two digit error code as shown below B 3 Allen Bradley PROTECTED GZ dad Cds C CQ wD Cwm The DAT ca
134. rminals Connect to terminals of Power Supply 1764 24AWA and 1764 24BWA Publication 1764 UM001B EN P April 2002 Line Terminals Connect to 24V dc terminals of Power Supply Installing Your Controller 2 11 Schematic Using ANSI CSA Symbols L1 L2 ke 230V ac gt Disconnect d Fuse MCR 230V ac Output e 1 Isolation Operation of either ofthese contacts will Transformer remove power from the external 1 0 M Circuits X1 115V ac or xw ac gt 1 S t b adage Master Control Relay MCR Push Butt L zi io ea Overtravel Stop Stet Cat No 700 PK400A1 idi CT Limit Switch ale ki Suppressor or Cat No 700 N24 MCR 115V ac or i 230V ac e 1 0 Circuits dc Power Supply Use NEC Class 2 Lo Hi Line Terminals Connect to 1764 24AWA or 1764 24BWA terminals MCR p 24 V dc 1 0 Circuits Line Terminals Connect to 24V dc terminals of Power Supply Publication 1764 UM001B EN P April 2002 2 12 Installing Your Controller Base Unit Mounting Dimensions Dimension 1764 24AWA 1764 24BWA 1764 28BXB Height A DIN latch open 138 mm 5 43 in DIN latch closed 118 mm 4 65 in Width B 168 mm 6 62 in Depth C 87 mm 3 43 in 1 See Controller Dimensions on page A 9 for more dimensional information Controller Spacing The base unit is designed to be mounted
135. rtical mounting of the controller is not recommended due to heat build up considerations A Mem 56 careful of metal chips when drilling mounting holes for your controller or other equipment within the enclosure or panel Drilled fragments that fall into the base or processor unit could cause damage Do not drill holes above a mounted controller if the protective debris strips are removed or the processor is installed 1 Pollution Degree 2 is an environment where normally only non conductive pollution occurs except that occasionally temporary conductivity caused by condensation shall be expected 2 Overvoltage Category II is the load level section of the electrical distribution system At this level transient voltages are controlled and do not exceed the impulse voltage capability of the products insulation Installing Your Controller 2 3 Safety Considerations Safety considerations are an important element of proper system installation Actively thinking about the safety of yourself and others as well as the condition of your equipment is of primary importance We recommend reviewing the following safety considerations Hazardous Location Considerations This equipment is suitable for use in Class I Division 2 Groups A B C D or non hazardous locations only The following WARNING statement applies to use in hazardous locations WARNING EXPLOSION HAZARD e Substitution of components may imp
136. ructing Your Own Null Modem Cable Modem 25 Pin 9 Pin TXD 2 RXD 3 GND 7 CD 8 DTR 20 DSR 6 AIC Optical Isolator or 1764 LRP Channel 1 9 Pin 3 TXD 2 RXD 5 GND CD 14 DTR 6 DSR 8 CTS 7 RTS CTS 5 RIS 4 M oc o gt If you construct your own null modem cable the maximum cable length is 15 24m 50 ft with a 25 pin or 9 pin connector Refer to the following typical pinout Optical Isolator 9 Pin 3 XD 34 2 RXD 5 GND 1 CD lg 4 DTR 6 DSR 8 CTS 7 RIS g LL gt gt Modem 25 Pin 9 Pin TXD 2 3 RXD 3 2 GND 7 5 CD 8 1 DTR 20 4 DSR 6 6 CTS 5 8 RTS 4 7 Communication Connections 4 7 Connecting to a DF1 Half Duplex Network When a communication port is configured for DF1 Half Duplex Slave available parameters include Table 4 3 DF1 Half Duplex Configuration Parameters Parameter Options Baud Rate 300 600 1200 2400 4800 9600 19 2K 38 4K Parity none even Source ID Node Address 0 to 254 decimal Control Line no handshaking handshaking Error Detection CRC BCC EOT Suppression enabled disabled When EOT Suppression is enabled the slave does not respond when polled if no message is queued This saves modem tra
137. s Appendix F System Loading and Heat Dissipation When you connect MicroLogix accessories and expansion I O an electrical load is placed on the base unit power supply This section shows how to calculate the load and validate that the system will not exceed the capacity of the base unit power supply or expansion power supply The following example is provided to illustrate system loading validation The system validation procedure accounts for the amount of 5V dc and 24V dc current consumed by controller expansion I O and user supplied equipment Current consumed by the Base Units Memory Modules Real Time Clock Modules and the End Cap Terminators for systems utilizing Compact I O expansion has already been factored into the calculations A system is valid if the current and power requirements are satisfied TIP An End Cap Terminator catalog number 1769 ECR or ECL is needed for any system using Compact b expansion I O TITIUS MicroLogix 1500 system a maximum of one 1769 expansion cable can be used allowing for two banks of I O modules One bank is connected directly to the controller and the other is connected via the expansion cable The bank connected to the controller uses the controllers embedded power supply The bank connected via the cable requires its own power supply A download is also available for system validation On the Internet go to http www ab com micrologix and navigate to MicroLogix 1500
138. s ground terminal to the nearest earth ground This connection must be made whether or not an external 24V dc supply is used Power Options Below are two options for powering the AIC Use the 24V dc user power supply built into the MicroLogix 1500 controller The AIC is powered through a hard wired connection using a communication cable 1761 CBL HMO02 or equivalent connected to port 2 Use an external DC power supply with the following specifications operating voltage 24V dc 20 or 15 output current 150 mA minimum rated NEC Class 2 Make a hard wired connection from the external supply to the screw terminals on the bottom of the AIC ATTENTION If you use an external power supply it must be 24V dc Permanent damage results if miswired with the wrong power source Publication 1764 UM001B EN P April 2002 4 22 Communication Connections Connecting to DeviceNet You can connect a MicroLogix 1500 using DF1 Full Duplex protocol to a DeviceNet network using the DeviceNet Interface DND catalog number 1761 NET DNI For additional information on using the DNI refer to the DeviceNet Interface User Manual publication 1761 6 5 The following figure shows the external wiring connections of the DNI DeviceNet Node Port n fE A Jv adl Replacement connector O part no 1761 RPL 0000 Use this write on area to mark the DeviceNet node address RS 232 Port 2 Cable Selection Guide
139. sag momentarily The only effect of limited inrush current and voltage sag on the MicroLogix 1500 is that the power supply capacitors charge more slowly However the effect of a voltage sag on other equipment should be considered For example a deep voltage sag may reset a computer connected to the same power source The following considerations determine whether the power source must be required to supply high inrush current The power up sequence of devices in a system The amount of the power source voltage sag if the inrush current cannot be supplied The effect of voltage sag on other equipment in the system If the entire system is powered up at the same time a brief sag in the power source voltage typically will not affect any equipment Loss of Power Source The power supply is designed to withstand brief power losses without affecting the operation of the system The time the system is operational during power loss is called program scan hold up time after loss of power The duration of the power supply hold up time depends on the type and state of the I O but is typically between 10 milliseconds and 3 seconds When the duration of power loss reaches this limit the power supply signals the processor that it can no longer provide adequate dc power to the system This is referred to as a power supply shutdown The processor then performs an orderly shutdown of the controller Input States on Power Down The power s
140. sion 1 0 Bank 2 Expansion 1 0 Power Failure Expansion I O errors represent failures of the I O bus or the modules themselves The error codes are listed in the MicroLogix 1200 and MicroLogix 1500 Programmable Controllers Instruction Set Reference Manual publication 1762 RMO001 Publication 1764 UM001B EN P April 2002 1 12 Hardware Overview Publication 1764 UM001B EN P April 2002 Agency Certifications Compliance to European Union Directives Chapter 2 Installing Your Controller This chapter shows you how to install your controller system The only tools you require are a Flat or Phillips head screwdriver and drill Topics include agency certifications compliance to European Union Directives using in hazardous locations master control relay power considerations preventing excessive heat controller spacing mounting the controller e UL 508 C UL under CSA C22 2 no 142 Class I Division 2 Groups A BB C D UL 1604 C UL under CSA C22 2 no 213 CE compliant for all applicable directives This product has the CE mark and is approved for installation within the European Union and EEA regions It has been designed and tested to meet the following directives EMC Directive This product is tested to meet Council Directive 89 336 EEC Electromagnetic Compatibility EMC and the following standards in whole or in part documented in a technical construction file e EN 50081 2
141. sion Power Supply Loading Using the values from SUBTOTAL2 verify that the system loading and I O distribution are within the limits shown in Table F 5 Consider future expansion when selecting a power supply System Loading and Heat Dissipation F 5 Table F 5 Bank 1 Power Supply Loading Verify the Current Limits Specification Catalog Number Calculated Current for System 24V dc User Output at 5V dc mA at 24V dc mA Capacity Values from SUBTOTAL2 Table F 2 C D MAXIMUM CURRENT LIMIT 1769 PA2 2000 800 250 mA 1769 PA4 4000 2000 n a 1769 PB2 2000 800 1769 PB4 4000 2000 1 0 Distribution Distribute 1 0 modules 1769 PA2 2000 800 250 mA ee am m supply never exceeds the following values 1769 PB2 2000 800 1769 PB4 2000 1000 System Using a 1769 PA2 To validate your system the total 5V dc current and 24V dc current consumed must be considered The I O modules must be distributed such that the current consumed from the left or right side of the power supply never exceeds 2A at 5V dc and 1 0A at 24V dc Use the current graphs below to determine if the power supply loading in your system is within the allowable range Figure F 1 1769 PA2 Current with 24V dc User Load 0A 5V dc Load Amps 0 0 0 0 01 02 03 04 05 06 07 08 09 10 24V dc Load
142. stor Output Transient Pulses lisi Chapter 4 Default Communication Configuration Communications Toggle Push Button Connecting to theR9 232 DPOtft doge OR EPA DF1 Full Duplex Communication Parameters Making a DF1 Full Duplex Point to Point Connection 4 1 4 2 4 3 4 3 4 3 Using Trim Pots and the Data Access Tool DAT Using Real Time Clock and Memory Modules Table of Contents vii Using a MOGeftuc sista opt ug Le eee woke 4 5 Isolated Modem Connection 4 eua Xs a dre ed 4 5 Connecting to a DF1 Half Duplex Network 4 7 Connecting to a DH 485 Network 00 4 10 DH 485 Configuration Parameters 4 12 Recommended Doolsa eot RET TRPIM RSS DEESTISRA 4 12 DH 485 Communication Cable liess 4 12 Communication Cable Connection to the DH 485 COnnector e242 xs peti pals FoR ee RES BEG 4 13 Connecting the AIC a siae bo gw Reged rea sta 4 15 Connecting to DeviceNet vaisseau Xoe ds en ets 4 22 Cable Selection ult sewer va COR Ep lee Mex 4 22 Connecting to Fthernet 24440 feos oleae Ree es OS 4 23 Ethernet Connections 4 2 4 6 T ea eva cok ee ied ed 4 23 RS 232 Connections a so eer d Eb DP 4 24 Chapter 5 Trim POL DOPO ves ab gare aos Sethe a ee Petes SS 5 1 Trim Pot Information Function File 5 2 Error Conditions vs gl stat ace tuc od ate or bee eate 5 2 Data Access Tool DAT cabe erm Eva xuxrPS EXC 5 2 D
143. t Out The order that data is stored and retrieved from a file low byte Bits 0 to 7 of a word logic A general term for digital circuits or programmed instructions to perform required decision making and computational functions Master Control Relay MCR A hard wired relay that can be de energized by any series connected emergency stop switch mnemonic A simple and easy to remember term that is used to represent a complex or lengthy set of information Modbus RTU Slave A serial communication protocol Publication 1764 UM001B EN P April 2002 Glossary 6 Publication 1764 UM001B EN P April 2002 modem Modulator demodulator Equipment that connects data terminal equipment to a communication line modes Selected methods of operation Example run test or program negative logic The use of binary logic in such a way that 0 represents the desired voltage level network A series of stations nodes connected by some type of communication medium A network may be made up of a single link or multiple links nominal input current The typical amount of current seen at nominal input voltage normally closed Contacts on a relay or switch that are closed when the relay is de energized or deactivated They are open when the relay is energized or the switch is activated normally open Contacts on a relay or switch that are open when the relay is de energized or the switch is deactivated They are cl
144. tatus File Publication 1764 UM001B EN P April 2002 1 8 Hardware Overview Publication 1764 UM001B EN P April 2002 To support a maximum of 16 I O modules in an additional I O bank you must have the following Table 1 4 Requirements to Support a Maximum of 16 I O Modules Product MicroLogix 1500 Processor Catalog Number 1764 LSP Series C or higher 1764 LRP Series C or higher MicroLogix 1500 Base Unit 1764 24AWA Series B or higher 1764 24BWA Series B or higher 1764 28BXB Series B or higher Operating System Version Firmware Revision Number FRN 6 or higher Programming Software RSLogix 500 Version 5 10 00 or higher 1 Power Supply optional 1769 PA2 1769 PA4 1769 PB2 1769 PB4 1 Cable optional 1769 CRL1 1769 CRL3 1769 CRR1 1769 CRR3 1 End Cap required 1769 ECL 1769 ECR 1 You can check the FRN by looking at word S 59 Operating System FRN in the Status File IMPORTANT If your processor is at an older revision you must upgrade the operating system to FRN 3 or higher to use an expansion cable and power supply Cor to FRN 6 or higher to allow up to 16 expansion modules On the Internet go to http www ab com micrologix to download the operating system upgrade Navigate to MicroLogix 1500 for further instructions and downloads MicroLogix 1500 base units are not field upgradeable from Series A to Series B Hardware Overview 1 9 Adding
145. tering Bit Mode Bit mode allows you to view and modify up to 48 contiguous bit locations in the controller The DAT enters the bit mode automatically following a successful power up The bit mode can also be selected by pressing the BIT key If the bit mode was previously active the DAT displays the last bit element monitored If the integer mode was active the DAT displays the first bit element in the data file However there may be a brief delay while the DAT requests information from the controller During the delay the working screen will display See Working Screen Operation on page 5 7 Entering Integer Mode Integer mode allows you to view and modify up to 48 contiguous 16 bit integer data locations in the controller To initiate integer mode press the INT key If the integer mode was previously active the DAT displays the last integer element monitored If the bit mode was active the DAT displays the first integer element in the data file However there may be a brief delay while the DAT requests information from the controller If there is a delay the working screen is displayed See Working Screen Operation on page 5 7 Monitoring and Editing 1 Press the INT or BIT key to enter the desired mode The element number flashes Cif not protected 2 Use the up down key to scroll and select an element to scroll rapidly hold the up down key 3 Press ENTER to edit the element The element number becomes steady and the data
146. termining controller faults C 1 identifying controller faults C 4 manually clearing faults C 4 understanding the controller LED status C 1 using the fault routine C 4 G 10 U UL certification 2 1 upload G 10 W wire requirements 3 1 wiring spade lug 3 3 wiring diagrams 3 8 wiring recommendation 3 2 wiring your controller 3 1 Working Screen Operation 5 7 working voltage 1764 24AWA specifications A 7 working voltage 1764 24BWA specifications A 7 working voltage 1764 28BXB specifications A 8 write G 10 www rockwellautomation com Corporate Headquarters Rockwell Automation 777 East Wisconsin Avenue Suite 1400 Milwaukee WI 53202 5302 USA Tel 1 414 212 5200 Fax 1 414 212 5201 Headquarters for Allen Bradley Products Rockwell Software Products and Global Manufacturing Solutions Americas Rockwell Automation 1201 South Second Street Milwaukee WI 53204 2496 USA Tel 1 414 382 2000 Fax 1 414 382 4444 Europe Rockwell Automation SA NV Vorstlaan Boulevard du Souverain 36 BP 3A B 1170 Brussels Belgium Tel 32 2 663 0600 Fax 32 2 663 0640 Asia Pacific Rockwell Automation 27 F Citicorp Centre 18 Whitfield Road Causeway Bay Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Headquarters for Dodge and Reliance Electric Products Americas Rockwell Automation 6040 Ponders Court Greenville SC 29615 4617 USA Tel 1 864 297 4800 Fax 1 864 281 2433 Europe Rockwell Automation Br
147. the shielded cable We recommend the following equipment or equivalent Table 4 5 Working with Cable for DH 485 Network Description Part Number Manufacturer Shielded Twisted Pair Cable 3106A or 9842 Belden Stripping Tool 45 164 Ideal Industries 1 8 Slotted Screwdriver Not Applicable Not Applicable DH 485 Communication Cable The communication cable consists of a number of cable segments daisy chained together The total length of the cable segments cannot exceed 1219 m 4000 ft However two segments can be used to extend the DH 485 network to 2438m 8000 ft For additional information on connections using the AIC refer to the Advanced Interface Converter AIC User Manual publication 1761 6 4 Communication Connections 4 13 Communication Cable Connection to the DH 485 Connector A daisy chained network is recommended We do not recommend the following gt Belden 3106A or 9842 Connector Connector Connector Incorrect Single Cable Connection When connecting a single cable to the DH 485 connector use the following diagram Orange with White Stripes a DA Q3 White with Orange Stripe A 6 Termination 2 4B D I a 3 Common J J Shield and N o assis Groun Shrink Tubing Recommended Blue 3106A or I Blue with White Drain Shield Stripes 9842 Publication 1764 UM001B EN P April 2002 4 14 Communication Connections Multiple Cable Connection
148. tion 1764 UM001B EN P April 2002 Communication Connections 4 15 End of Line Termination Jumper Connecting the AIC The AIC catalog number 1761 NET AIC enables MicroLogix controllers to connect to a DH 485 network when they are configured for DH 485 protocol The AIC has two isolated RS 232 ports and one RS 485 port When two MicroLogix controllers are closely positioned you can connect a controller to each of the RS 232 ports on the AIC The AIC can also be used as an RS 232 isolator providing an isolation barrier between the controllers communications port and any equipment connected to it G e personal computer modem etc The following figure shows the connections and specifications of the AIC Item Description 3 Port 2 mini DIN 8 RS 232 DTE Port 3 RS 485 Phoenix plug DC Power Source selector switch cable port 2 power source external external power source connected to item 5 Bl wi N 5 Terminals for external 24V dc power supply and chassis ground For additional information on connecting the AIC refer to the Advanced Interface Converter AIC User Manual publication 1761 6 4 Publication 1764 UM001B EN P April 2002 4 16 Communication Connections Cable Selection Guide H n D ee HW 7761 CBL APOO P i Da 1761 CBL PM02 5
149. to the controller or an adjacent I O module before or after mounting to the panel or DIN rail The module can be detached and replaced while the system is mounted to a panel or DIN rail Maa Remove power before removing or inserting an I O module When you remove or insert a module with power applied an electrical arc may occur An electrical arc can cause personal injury or property damage by sending an erroneous signal to your system s field devices causing the controller to fault causing an explosion in a hazardous environment Electrical arcing causes excessive wear to contacts on both the module and its mating connector Worn contacts may create electrical resistance reducing product reliability When attaching I O modules it is very important that ATTENTION they are securely locked together to ensure proper electrical connection Installing Your Controller 2 23 To attach and lock modules TIP Remove ESD barrier when attaching I O modules to a MicroLogix 1500 base unit 1 Disconnect power 2 Check that the bus lever of the module to be installed is in the unlocked fully right position 3 Use the upper and lower tongue and groove slots 1 to secure the modules together or to a controller 4 Move the module back along the tongue and groove slots until the bus connectors 2 line up with each other 5 Push the bus lever back slightly to clear the positioning tab 3 Use your fi
150. trate the procedure for installing the MicroLogix 1500 replacement doors Base Terminal Door 1764 RPL TDR1 Processor Access Door 1764 RPL CDR1 Base Comms Door included in 1764 RPL DR Trim Pots Mode Switch Cover Door included in 1764 RPL DR Publication 1764 UM001B EN P April 2002 Understanding Controller LEDs POWER FAULT FORCE BAT LO C INPI a S OO0o ood ood EL EE Bo a El 24V SINK SOURCE Wil DC RELAY OUT Moca Appendix C Troubleshooting Your System This chab pter describes how to troubleshoot your controller Topics include understanding the controller LED status controller error recovery model identifying controller faults calling Rockwell Automation for assistance The controller status LEDs provide a mechanism to determine the current status of the controller if a programming device is not present or available LED Color Indicates POWER off no input power green power on RUN off controller is not in Run mode or REM Run green controller is in Run mode or REM Run green flashing system is not in Run mode memory module transfer is in progress FAULT off no fault detected red flashing faulted user program red processor hardware fault or critical fault FORCE off no forces installed amber forces installed BATTERY L
151. ts must be appropriately rated to suppress the switching transient characteristic of the particular inductive device See the table on page 3 6 for recommended suppressors Wiring Your Controller 3 5 Surge Suppression for Inductive ac Load Devices a Neuf ib Output Device Output Device Output Device Varistor RC Network Surge Suppressor If you connect an expansion I O triac output to control an inductive load we recommend that you use varistors to suppress noise Choose a varistor that is appropriate for the application The suppressors we recommend for triac outputs when switching 120V ac inductive loads are a Harris MOV part number V175 LA10A or an Allen Bradley MOV catalog number 599 K04 or 599 KA04 Consult the varistor manufacturer s data sheet when selecting a varistor for your application For inductive dc load devices a diode is suitable A 1N4004 diode is acceptable for most applications A surge suppressor can also be used See the table on page 3 6 for recommended suppressors As shown in the illustration below these surge suppression circuits connect directly across the load device Surge Suppression for Inductive de Load Devices RR Output Device Diode A surge suppressor can also be used Publication 1764 UM001B EN P April 2002 3 6 Wiring Your Controller Grounding the Controller Publication 1764 UM001B EN P April 2002 Recommended Surge Suppressors Us
152. twork master initiates and controls all Communication Protocol communications on the network Modbus protocol allows a single MicroLogix 1764 LSP and master to communicate with a maximum of 255 slave devices 1764 LRP Series B and later l sr RT When a MicroLogix 1200 or 1500 Communications port is configured processors only for Modbus RTU Slave operation the user must define where Modbus data coils contacts and registers is mapped into the MicroLogix data space The Modbus address space is comprised of seven distinct memory ranges Four of these ranges can be mapped into MicroLogix data files Three Modbus ranges are fixed to MicroLogix file 2 the Status file The table below illustrates Modbus to MicroLogix mappings Table E 3 Modbus to MicroLogix Memory Map Modbus Addressing Description Valid MicroLogix Addressing File Type Data File Number Address 0001 to 4096 Read Write Modbus Coil Data space Bit B or Integer N 3 to 255 bits 0 to 4095 10001 to 14096 Read Only Modbus Contact Data space Bit B or Integer N 3 to 255 bits 0 to 4095 30001 to 30256 Read Only Modbus Input Register space Bit B or Integer N 3 to 255 words 0 to 255 30501 to 30532 Modbus Communication Parameters Communication 2 words 0 to 31 Status Files 31501 to 31566 Read Only System Status File space Status S 2 words 32 to 65 40001 to 40256 Read Write Modbus Holding Register Bit B or Integer N 3 to 255 words 0 to 255
153. upply hold up time as described above is generally longer than the turn on and turn off times of the inputs Because of this the input state change from On to Off that occurs when power is removed may be recorded by the processor before the Installing Your Controller 2 7 Preventing Excessive Heat power supply shuts down the system Understanding this concept is important Write the user program taking this effect into account Other Types of Line Conditions Occasionally the power source to the system can be temporarily interrupted It is also possible that the voltage level may drop substantially below the normal line voltage range for a period of time Both of these conditions are considered to be a loss of power for the system For most applications normal convective cooling keeps the controller within the specified operating range Ensure that the specified temperature range is maintained Proper spacing of components within an enclosure is usually sufficient for heat dissipation In some applications a substantial amount of heat is produced by other equipment inside or outside the enclosure In this case place blower fans inside the enclosure to assist in air circulation and to reduce hot spots near the controller Additional cooling provisions might be necessary when high ambient temperatures are encountered Do not bring in unfiltered outside air Place the controller in an enclosure to protect it from a corr
154. urcing Only NA OO MEC VAC VDC 2 OUT 3 OUT 5 OUT 7 OUT 8 OU VDC 0 VDC 1 bis VDC 3 To our1 our2 our4 oure VBE guts VAC ouT11 COM 2 VDC 4 T10 zs N B b Publication 1764 UM001B EN P April 2002 Wiring Your Controller 3 15 1764 28BXB Wiring Diagram with Sourcing Outputs Input Terminals DC DC 9 DC EN PE NOT DC DC Fm vs a me Be five wn mia ws NOT DC USED INO IN2 coM 1 N5 IN7 IN8 IN10 IN 12 IN 14 D iiiiii NOT USED terminals are not intended for use as connection points Output Terminals FET Outputs Are Sourcing Only gal RUNE Exe l VAC VAC VAC COM vnc 5 voc 1 voc 2 ours OUT 5 OUT 7 OUT 9 OUT 10 VDC 3 EARTH VDC VAC av GND fouro our OUT 2 OUT 4 OUT 6 COM 2 OUT8 VDC 4 OUT 11 elt d 6 2 2 Publication 1764 UM001B EN P April 2002 3 16 Wiring Your Controller Controller 1 0 Wiring Publication 1764 UM001B EN P April 2002 Minimizing Electrical Noise Because of the variety of applications and environments where controllers are installed and operating it is impossible to ensure that all environmental noise will be removed by input f
155. use in your MicroLogix system Also see System Loading and Heat Dissipation on page F 1 for more information on system configurations Publication 1764 UM001B EN P April 2002 1 10 Hardware Overview The following illustrations show a MicroLogix 1500 with an expansion I O bank Vertical Orientation Ch NM Expansion HE 1 0 Bank 1 an b n m UU F E 1769 CRRx f Expansion Cable HI E S EH EFE Expansion ili 1 1 0 Bank 2 1769 ECL End Cap i i 1 L 3 1 Thexin this catalog number can be either a 1 or a 3 representing the length of the cable 1 1 foot 305 mm and 3 3 28 feet 1 meter Horizontal Orientation D 2 EE EE z e His 1769 ECR L 3i i i End Cap Uy E E Ex
156. utputs 2 and 3 are designed the other FET transistor outputs but in addition within a her speed Outputs 2 and 3 also provide a pulse train outp may be used like operated at a hig output PWM function 0 provide increased functionality over the oth imited current range they may be er FET outputs 4 through 7 They t PTO or pulse width modulation Specifications A 7 Table A 8 Working Voltage 1764 24AWA Specification Power Supply Input to Backplane Isolation 1764 24AWA Verified by one of the following dielectric tests 1836V ac for 1 second or 2596V dc for 1 second 265V Working Voltage IEC Class 2 reinforced insulation Input Group to Backplane Isolation and Input Group to Input Group Isolation Verified by one of the following dielectric tests 151V ac for 1 second or 2145V dc for 1 second 132V Working Voltage IEC Class 2 reinforced insulation Output Group to Backplane Isolation Verified by one of the following dielectric tests 1836V ac for 1 second or 2596V dc for 1 second 265V Working Voltage IEC Class 2 reinforced insulation Output Group to Output Group Isolation Verified by one of the following dielectric tests 1836V ac for 1 second or 2596V dc for 1 second 265V Working Voltage basic insulation 150V Working Voltage IEC Class 2 reinforced insulation Table A 9 Working Voltage 1764 24BWA Specification Power Supply Input to B
157. vents Boolean operators Logical operators such as AND OR NAND NOR NOT and Exclusive OR that can be used singularly or in combination to form logic statements or circuits Can have an output response of T or F branch A parallel logic path within a rung of a ladder program Its primary use is to build OR logic Publication 1764 UM001B EN P April 2002 Glossary 2 Publication 1764 UM001B EN P April 2002 communication scan A part of the controller s operating cycle Communication with devices such as other controllers and operator interface devices takes place during this period control program User logic the application that defines the controller s operation controller A device such as a programmable controller used to control output devices controller overhead A portion of the operating cycle used for housekeeping purposes memory checks tests communications etc counter A device that counts the occurrence of an event CPU Central Processing Unit The decision making and data storage section of a programmable controller data table The part of processor memory that contains I O status and files where user data such as bit integer timers and counters is monitored manipulated and changed for control purposes DIN rail Manufactured according to Deutsche Industrie Normenausshus DIN standards a metal railing designed to ease installation and mounting of your devices downl
158. y and Cables 1 7 System Requirements for Using Expansion Modules 1 7 Adding an I O Banker actum s tortis E ed om aes 1 9 Addressing Expansion VO in 355 hy v tw ee Re x 5 1 11 Expansion I O Power Paiute erc x Y 1 11 Chapter 2 Agency Certifications riter pet a Bee weed ea Ves BS 2 1 Compliance to European Union Directives 2 1 EMC Directives iade RR teque EEBRIA 2 1 Low Voltage Directive auc ee y EX ERU 2 2 Installation Considerations llle 2 2 Safety Considerations s s Le Sube s x a pi RR 2 3 Hazardous Location Considerations 2 3 Disconnecting Main Power 0 0000000000 2 4 Safety CITODHES ss ce a we ate ane Ree e OE CPC end 2 4 Power Distribution a vocc ke a s E UR Re OR o Ro E 2 5 Periodic Tests of Master Control Relay Circuit 2 5 Power Considerations o a ooo ded t Pr CREER A AUR 2 5 Isolation Transformers rue ore e So ee 2 5 Power Supply Inrush osa gos WEE Ped Ree hes 2 6 Loss of Power SOURCE os o caeca y Tt sa bei neta a 2 6 Publication 1764 UM001B EN P April 2002 Table of Contents vi Wiring Your Controller Communication Connections Publication 1764 UM001B EN P April 2002 Input States on Power DOWN cud vx sos yide gs Other Types of Line Conditions 4 3c cy p eoe Ares Preventing Excessive Heat s auci oe Ep ado aes Master Control Relay 22 md Re sq eor cie e e e Using Emergency Stop Switches 4 Schematic Using IE

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1764-UM001B-EN-P, MicroLogix&trade; 1500 Programmable Controllers

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1764-UM001B-EN-P, MicroLogix™ 1500 Programmable Controllers