Acromag 901-903mb Data Sheet
Contents
1. Parity Odd even or none Default setting none Stop Bits One with parity one or two with no parity Default setting is two stop bits with no parity Watchdog Timer Hardware A hardware watchdog timer is built into each module to perform a reset if the microcontroller fails to return from an operation in a timely manner or locks up il Series SOOMB Configuration 924MB 0900 Untitled File Module Settings Help Da ala P N ty 2 General Configure Alarms DO amp 1 Configure Alarms 2 amp 3 Test Module Polling Status Module Status Flash Checksum LO Watchdog ADC Status Limit Exceeded Default Mode TE Status TE Break Input Cal T Ref Cal Input 0 Input Range 210 to 760 E Value C Status Output Ott Output Or Output DO Output OF Output Or Output 1 Output Ott Output Orn Output 2 Output Ott Output Or Output 3 Input 1 Input Range 210 to 760 C Value C Status Input z Input hange 210 to EO E Value E Statys Input 3 Input Range 210 to 760 C Value E Status Watchdog Timer Network Communication All modules have a communication watchdog timer function The watchdog timer is configurable for timeout periods of up to 18 hours This timer function monitors O communications with the host controller In the event of lost communications output ports optionally reset to a user defined state or level The watchd2. gt aa 0 30 6 40 7 82 162 56 7 0 177 80 RS 485 to RS 485 MOUNTING HOLES 0 203 INCH DIAMETER 5 18 4 PLACES TO CLEAR NO 8 SCREWS LT 1 1m i j nad EE Ties tya sr 0 30 5 40 7 62 162 56 7 0 177 80 4SCC TTM x Isolated Signal Converter This unit provides an isolated interface between the host PC s RS 232 port and RS 485 Modbus network devices Signal conversion is bidirectional with operation that is transparent to all devices The RS 485 network supports up to 32 devices including the 4SCC TTM Converter across 4000 foot distances Installation of additional network devices or extending the distance requires the ASCR TTM Network Repeater Dimensions in inches mm Shipping Weight 3 0 Ibs 1 4 kg packed 4SCR TTM x Isolated Network Repeater This unit isolates and boosts RS 485 signals to extend communication distances or increase the number of devices on the network Each Repeater permits the addition of a network branch with up to 32 devices including the 4SCR TTM and will transmit RS 485 signals another 4000 feet Operation is transparent to all devices and no handshaking is required Two terminal blocks are provided for 120 ohm resistors to terminate both ends of the network branch Dimensions in inches mm Shipping Weight 3 0 Ibs 1 4 kg packed Specifications Baud Rates Switch selectable from 300 to 38 4K baud Duplex Half dupl
3. sales acromag com www acromag com 38 Configuration Kit Software Interface Package Model No 900C SIP SZ to RS 485 Converter non isolated u Configuration Software for Windows 95 98 NT RS 485 Cable DB 9 Network Power Mounting Hardware Acromag M Tel 248 624 1541 Software Interface Package This package includes Windows Configuration Software an RS 232 to 485 Serial Port Converter and an RS 485 Signal Cable These components provide everything you need to set up a Series 900 VO module from your desktop PC before installing it on the network E Ordering Information 900C SIP Software Interface Package Includes Configuration Software 5034 186 Non isolated RS 232 to RS 485 Serial Port Converter 5034 214 and RS 485 Cable 5034 202 Items can also be ordered separately below 5034 186 Configuration Software for Windows 95 98 ME NT4 2000 on CD ROM 5034 214 RS 232 485 Non isolated RS 232 to RS 485 Serial Port Converter TU IU UM rd DB 3F to DB 9F 5034 202 RS 485 to 3 wire Cable Converter DB 9M to 3 x 12AWG RS 485 Cable 8 f
4. 6V DC OR 24V AC NON POLARIZED DIGITAL VO SHARES RETURN www acromag com T sWork Modbus I O m Accessories m Configuration Tools Acromag provides a full set of tools to help you get your modules set up and ready to install Software Interface Package See Page 39 for more information Includes the following Configuration Software Utility Instruction manuals Serial port converter Interface cable m Network Devices Everything you need to drive your network is available from Acromag isolators converters signal boosters and power sources Universal 50W Power Supply Page 39 Isolated RS 232 485 Converter Page 40 Isolated RS 485 Network Repeater Page 40 gm Mounting Hardware Installation is a snap with Acromag accessories DIN RAIL Bars Page 39 19 Rack Mount Kit Page 39 E General Module Specifications Communication Interface Network Communication Modbus RTU protocol RS485 3 Wire Standard Protocol implementation as defined under Modicon Modbus Reference Guide PI MBUS 300 Rev J Reference http public modicon com Search on PI MBUS 300 for technical publication Baud Rate 2400 4800 9600 14 4k 19 2k 28 8k 38 4k 57 6k 16 8k or 115 2k baud Default 9600 baud Module Addressing 0 to 247 selectable Default address 247 Network Distance 4000 feet without network repeater Nodes Supports up to 32 modules without the use of a network repeater
5. B are similar LaL d d A COMMU LNO 40 NI TVLIDIC LE ZE EE VE GE 9E 9c GZ be c ac Ic DAP DODO 4 og Q eal Fax 248 624 9234 e mail 25 NETWORK sales acromag com z sWork Modbus i o E Ordering Information Models 901MB 0900 Discrete input module 902MB 0900 Discrete output module 903MB 0900 Discrete input output module Accessories 900C SIP Configuration Software Interface Package includes software CD ROM for Windows RS 232 485 converter and RS 485 three wire cable 5034 225 USB to RS232 adapter See page 41 for more info TBK B02 Optional terminal block kit barrier strip style 4 pcs TBK S02 Optional terminal block kit spring clamp style 4 pcs PS5R D24 Power supply 24V DC 2 14 See Power Supplies on page 183 es e E e y nn 2 z o 2 o N L Oo For more information on software network hardware and mounting accessories please see Pages 39 41 a i Optional terminal blocks barrier strip left and spring clamp right Cage clamp terminal is standard DIGITAL OUTPUT CONNECTIONS 903MB 5V 100K CHAN OF PORT VV 902MB 903MB ON OFF a X NICATION AC DC POWER 10 TO 3
6. E works 900MB Series BusWorks Modbus 1 0 Modbus RS 485 901 902 903 MB Multi Channel Discrete VO Modules Active Low Inputs Sinking Outputs Low Side Switching Models 901MB 12 input channels 902MB 12 output channels 903MB 12 input output channels Input Twelve input channels 901 903 models only 0 to 35V DC Output Twelve output channels 902 903 models only O to 35V DC Network Communication Modbus RTU high speed R 485 Power Requirement 10 to 36V DC 24V AC Approvals CE marked UL cUL listed Class Division 2 Groups A B C D High Density Discrete I O Module E Description These modules provide twelve discrete input and or output channels Isolation separates the O power and network circuits Network communication adheres to the industry standard RS 485 Modbus RTU protocol Both AC and DC power sources are supported with wide range nonpolarized diode coupled terminals The open drain outputs are intended for current sinking or low side switching applications The buffered inputs are active low These models are the complement of the 904 905 and 906 units which have open source high side output switches and active high inputs Socketed pull up resistors are easily removed or exchanged to sat isfy your application requirements The 903MB model has twelve input output points that may be used as inputs or outputs on bit by bit basis Outputs may be read back to
7. MILLIMETERS PERSONAL COMPUTER W WINDOWS 95 98 OR NT RS 232 SERIAL CAUTION DO NOT CONNECT THE PORT CONNECTOR RS 232 TO RS 485 CONVERTER CABLE 5034 202 CABLE DIRECTLY TO THE PC WITHOUT PC RUNNING AT BACK OF PC MODEL 5034 214 THE CONVERTER OR DAMAGE TO ACROMAG u n THE MODULE MAY RESULT MODBUS CONFIG L SOFTWARE o gt RS 232 TO RS 485 He RS 232 PORT DB 9 DB 9 DB 9 DB 9 MALE FEMALE FEMALE MALE INSTALL MODBUS CONFIGURATION SOFTWARE CONNECT THE RS 232 CONNECT THE RS 485 SIDE OF CONVERTER SIDE OF CONVERTER TO THE PC TO THE CABLE USB to RS232 900C SIP COMMUNICATION CONNECTIONS CONNECT WIRES AS SHOWN COM D D geleer ele RUN PWR LED GREEN STATUS LED YELLOW 46 45 44 43 42 41 36 35 34 33 8850 SJS DEFAULT MODE SWITCH PUSH FOR DEFAULT MODE RS485 REFER TO THE USER S MANUAL STATUS LED FLASHES IN THAT CAME WITH YOUR MODULE Model 5034 225 DEFAULT MODE DROME HD MEE TO COMPLETE THE MODULES USB to RS232 adapter POWER AND I O CONNECTIONS Length 3 15 in 8 0 cm Height 0 80 in 2 03 cm RRRARR RRARRA A Width 1 75 in 4 44 cm T eee edele Weight 1 6 oz 45 36 g Acromaglig Tel 248 624 1541 Fax 248 624 9234 e mail
8. TL LOGIC INPUT CAN BE PULLED UP INTERNALLY OR EXTERNALLY DIGITAL VO _ 12 24V DC TYPICAL DIGITAL VO DIGITAL VO SHARES RETURN RTN INTERNAL INPUT PULL UPS ARE OPEN Acromag M Tel 248 624 1541 E General I O Pull ups and Socket 5 6K ohm pull up resistor SIPs are installed in sockets at each port four channels per port Excitation per port External excitation voltage for each four channel port is limited to 35V or less Supported Modbus Commands The command response protocol for communicating with this module adheres to the Modbus RTU standard for the following Modbus Functions Read Coil Output Status Read Input Status Read Holding Registers Force Single Coil Output Preset Single Register Reset Slave Force Multiple Coils Outputs Preset Multiple Registers Report Slave ID LED Indicators LEDs indicate power status and discrete level Power Requirements 10 to 36V DC 22 to 26V AC Supply Current Supply Current Draw 10V DC 80mA maximum 24V DC 40mA maximum 24V AC 70mA rms maximum Isolation 1500V AC for 60 seconds or 250V AC continuous 3 way isolation between I O network and power Circuits Uu DIGITAL VO OPPAS I 1 LNO 40 NI TVLIDIC LNO 40 NI TVLIDIC Lt cb t bb Sb Ob 9L GL bl EL ZL LL 903MB shown 901MB amp 902M
9. ated RS 232 485 Signal Converter Acromag Model No 4SCC TTM RS 485 Daisy Chain Topology Extending the Network Isolated RS 485 Network Repeater Acromag Model No 4SCR TTM Network Branch Model 5034 225 USB to RS232 adapter Length 3 15 in 8 0 cm Height 0 80 in 2 03 cm Width 1 75 in 4 44 cm Weight 1 6 oz 45 36 g es fes e A mn e 2 o N Oo To Network Host N Additional 32 devices 4000ft extension Acromag Tel 248 624 1541 Fax 248 624 9234 e mail sales acromag com www acromag com 41
10. ex only Network Termination Resistors Two terminal blocks and 120 ohm resistors provided to terminate both ends of the RS 485 network Wiring Connectors Terminal blocks with screw clamps for 14 26AWG Operating Temperature Range 25 to 60 C 13 to 140 F Isolation Withstands 1500V AC surge for 60 seconds 250V AC or 354V DC continuous E Ordering Information 4SCC TTM 1 Signal Converter 115V AC power cord included 4SCC TTM 2 Signal Converter 230V AC power cord included 5020 924 Signal Cable 8ft long DB 9 to three wires Connects PC s RS 232 port to 4SCC TTM x Specifications Baud Rates Switch selectable from 300 to 38 4K baud Duplex Half duplex only Network Termination Resistors Two terminal blocks and 120 ohm resistors provided to terminate both ends of the RS 485 network RS 485 Wiring Connectors Terminal blocks with screw clamps for 14 26AWG Power Wiring Connections Terminal block with screw clamps for 12 18AWG Operating Temperature Range 25 to 60 C 13 to 140 F Isolation Withstands 1500V AC surge for 60 seconds 250V AC or 354V DC continuous E Ordering Information 4SCR TTM 1 Signal Converter 115V AC power 4SCR TTM 2 Signal Converter 230V AC power 40LC GBW 1 115V AC power cord Acromagl Tel 248 624 1541 Fax 248 624 9234 e mail sales acromag com www acromag com 40 O orks Modbus I System Connection USB to RS232 Adapter Isol
11. ocontroller activity to detect operational failures lock up and execute a reset to restore communication Acromagl Tel 248 624 1541 Fax 248 624 9234 e mail sales acromag com www acromag com 24 Em Performance B Discrete Inputs 901 amp 903 models only Input Type 12 active low buffered inputs with a common con nection Inputs include transient suppression devices and series connected 100K ohm resistors plus diode over voltage clamps to the internal 5V supply Input Signal Voltage Range 0 to 35V DC maximum Input Current 293UA typical at 35V DC Input Signal Threshold TTL compatible with 100mV of hysteresis typical Low to High threshold is 1 7VDC High to Low is 1 6VDC typical Limited to TTL levels of 0 8VDC max LOW level and 2 0VDC min HIGH level Input Resistance 100K ohms typical Input Hysteresis 100mv DC typical B Discrete Outputs 902 amp 903 models only Output Type 12 independent open drain DMOS MOSFET switches with a common source connection that operate as low side switches Output Voltage Range 0 to 35V DC max 0 to 500mA channel continuous External voltage source required Output ON Resistance 0 28 ohms maximum Output Response Time Force Single Coil Output updates within 250us of receipt of a command Force Multiple Coils First coil updates in 250ys followed successively by additional coils every 180us DIGITAL INPUT CONNECTIONS ACTIVE LOW 5V T
12. og timer restarts with a read write to an VO channel E Environmental Ambient Temperature Operation 25 C to 70 C 13 F to 158 F Storage 40 C to 85 C 40 F to 185 F Relative Humidity 5 to 95 non condensing Radiated Field Interference Immunity RFI Complies with EN61000 4 3 Level 2 and EN50082 1 3V M 80 to 1000MHz AM and 900MHz keyed Electrical Fast Transient Immunity EFT EN61000 4 4 Level 1 and EN50082 1 0 5KV power signal lines Electrostatic Discharge ESD Immunity EN61000 4 2 Level 3 and EN50082 1 8KV 4KV air direct discharge Surge Immunity EN61000 4 5 0 5KV and EN50082 1 Radiated Emissions Meets EN50081 1 for Class B equipment Approvals CE marked UL listed for US and Canada Class Division 2 Groups A B C D m Enclosure Physical Enclosure Self extinguishing NYLON type 6 6 polyamide thermo plastic UL94 V 2 color beige general purpose NEMA Type 1 enclosure Connectors Removable Terminal Blocks Wire Range AWG 3112 24 stranded or solid copper Dimensions 1 05W x 4 68H x 4 35D inches 26 W x 118 9H x 110 5D mm DIN Rail Mounting DIN rail mount Type EN50022 T rail 35mm Shipping Weight 1 pound 0 45 Kg packed 23 erks 900MB Series y SOOMEB Series Technical Diagrams T Dail D 36 35 34 33 32 31 T Rail Din Mounting 32 31 Din EN 50022 aa RS485 BusWorks Modbus I O o 26 7 NOTE ALL DIMENSION ARE IN INCHES
13. t 5034 944 5034 202 Universal 50W E Ordering Information a PS5R D24 E Power Su PP ly Universal Power Supply 3 ME e Top View Side View o ideal power source N dimensions nm dimensions in mm to drive your T 4 network IEEE EC Ru NUN NN RA oo He Input Power Reguirement EMEN m Universal power IBN 85 to 264V AC MC ere a 105 to 3 0V DC OTHER LI i Output FIM E 24V DC 2 1A 50W os PTI Mee S M3 5 4 al Terminal Screws 95 DIN Rail Mounting 12 For your convenience Acromag offers several mounting accessories to simplify your system installation Our 19 rack mount kit provides a dean solution for mounting your O modules and a power supply Or you can buy precut DIN rail strips for mounting on any flat surface 16 UNITS Dimensions in inches mm E Ordering Information 20RM 16 DIN 19 rack mount kit with DIN rail DIN RAIL 3 0 DIN RAIL 16 7 DIN rail strip Type T 3 inches 75mm or 16 7 inches 425mm 5 25 a 25 j as R EE 57 18 i H Me L7 i Fi T RAIL MOUNTING DIN EN 50022 19 0 35MM 422 6 HOLDS UP TO 16 SERIES 900MB MODULES Fax 248 624 9234 e mail sales acromag com www acromag com 39 g Works 900m B Series RS 232 to RS 485 MOUNTING HOLES 1 0 203 INCH DIAMETER 2 54 5 16 4 PLACES TO CLEAR NO 8 SCREWS ERE AIS Q ue Ee TO 9 U AZ
14. verity output settings Combining flexible VO types wide I O ranges and a network interface in a single package makes this instrument extremely powertul Multi channel design adds cost efficiency and allows high density mounting Plus safe rugged construction makes these modules reliable for use in both control room and distributed field VO applications Custom module configurations are also possible consult factory for details Twelve Discrete Inputs or Outputs Isolation 10 36V DC or 24V AC RS 485 E Special Features a Standard Modbus RTU protocol with high speed RS 485 communication up to 115K bps a Twelve VO channels in a single inch wide unit reduces system costs and saves panel space a High voltage high current open drain outputs enable direct low side control of external devices a High voltage buffered inputs monitor discrete levels from a variety of industrial devices a Tandem input output circuitry 903 models only connects input buffers with open drain outputs for convenient loopback monitoring of the output state a Outputs have built in over temperature and over current shut down protection plus active clamping circuits for switching inductive loads a Watchdog timers provide a configurable failsafe output state for use when host I O communication is lost a Three way isolation eliminates potential ground loops between power VO and network circuitry a Self diagnostics monitor micr
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