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Watlow MicroDin User`s Manual

1. mal es a a EI x Bes Pera aes ElA 485 Power Supply AD 1210 120V SIG GND 120V Vac 9 Vdc see NOTE Comms Plug Red Yellow Green OO OA Yellow A 0219 0217 0000 7 ft comms cable ADA485L NOTE The CMC converter requires an external power supply when used with a laptop 3 8 Watlow MicroDIN Special ElA 485 Network Considerations If your MicroDIN network needs termination and pull up and pull down resistors wire them per the diagrams below See Chapter 2 Communications Setup Figure 3 9 a Termination for MicroDIN RJ 11 phone plug with 120Q resistor across C and D RJ 11 Terminals C green and D yellow ab See Oo 3 yu Plug terminator into open socket in MicroDIN controller furthest from computer the last unit on the network Figure 3 9b Termination for ElA 232 ElA 485 5V Converter with pull up Converter box 1KO and pull down resistors termination B with pull up 1200 and pull down A resistors 1KQ GND Watlow MicroDIN 3 9 j N e pa _ amp O Wiring Examples A WARNING To avoid potential electric shock use National Electric Code NEC safety practices when wiring and connecting this unit to a power source and to electrical sensors or peripheral devices Failure to do so could result in injury or death Figure 3 10 Syst
2. 5 9 Low Side Power 715 5 10 Fixed Manual Output 903 5 10 Operation Group 5 11 Operation Mode 200 5 11 User Operation M ode 301 5 11 User Set Point 300 5 12 Manual Output Power 310 5 12 PID Group 5 13 PID Output Power 204 ES Auto tune Set Point 304 5 13 Initiate Auto tune 305 5 14 Proportional Band 500 5 14 Integral 501 ooocconcccccnocnnnncs 5 14 RESCUIODZ Iscar 5 15 Derivative 503 ccccssecseeeeeeeeeeees 5 15 Rate 504 5 415 Cycle Time 506 cccccssssseeees 5 16 Control Output Hysteresis 507 5 16 Alarm Output Group 5 17 Alarm Condition 106 5 17 Alarm Output Hardware 17 5 18 Clear Alarm On Off 331 5 18 Silence Alarm On Off 332 5 18 Alarm LOW 321 5 19 Alarm High 322 neeese 5 19 Alarm Output Function 717 5 20 Alarm Type 719 cccccsssseeeeeees 5 20 Alarm Hysteresis 720 5 20 Alarm Active Sides 723 5 20 Alarm Latching Mode 721 al Alarm Silencing Mode 722 eal Alarm Logic 724 ccccccccooncccn oral Error Group 5 22 Open Loop Error 210 5 22 Open Loop Detect 904 5 22 Input Error 101 5 23 System Error 209 coooocccnccccnno 5
3. If the LSB is 1 shift the CRC and XOR the polynomial mask with the CRC If crc amp Ox0001 crc gt gt 13 crc POLYNOMIAL If the LSB is O shift the CRC only else crc gt gt 13 while bit_count lt 7 while char_ptr lt end_of_ packet return crc la cS D o o lt Watlow MicroDIN A 7 gt Ke gej 4 pa gt lt Glossary annunciator A visual display that uses pilot lights to indicate the former or existing condition of several items in a system burst fire A power control method that repeatedly turns on and off full ac cycles Also called zero cross fire it switches close to the zero voltage point of the ac sine wave Variable time base burst fire selectively holds or transits ac cycles to achieve the desired power level See zero cross calibration offset An adjustment to eliminate the difference between the indicated value and the actual process value CJ C see cold junction compensation closed loop A control system that uses a sensor to measure a process variable and makes decisions based on that feedback cold junction see junction cold cold junction compensation Electronic means to compensate for the effective temperature at the cold junction default parameters The programmed instructions that are permanently stored in the microprocessor software derivative The rate of change in a process var
4. Sent 01 03 00 00 00 01 84 OA Received 01 03 02 03 DC BY 2D Message 988 0x03DC Example Read register 1 and 2 Process 1 and 2 values of controller at address 5 Sent 05 03 00 01 00 02 94 4F Received 05 03 04 00 64 00 C8 FF BA M essage 100 0x0064 and 200 0x00C8 Write to a Single Register Command 0x06 This command writes a parameter to a single register The controller will echo back the command An attempt to write to a read only parameter returns an illegal data address error 0x02 Packet sent to controller nn 06 nnnn nnnn nnnn A A A A A A A A controller address one byte write to a register command 0x06 register high byte register low byte data high byte data low byte CRC low byte CRC high byte Example Set register 7 SPI to 200 0x00C8 on controller at address 9 Sent 09 06 00 07 00 C8 38 D5 Received 09 06 00 07 00 C8 38 D5 Write to Multiple Registers Command 0x10 gt Ke gej 4 pa gt lt This command actually writes a parameter to only a single register An attempt to write to a read only parameter returns an illegal data address error 0x02 A 4 Watlow MicroDIN Packet sent to controller nn 10 nnnn 0001 02 nnnn nnnn A AA AA A A A A A controller address one byte write to multiple registers command 0x10 starting register high byte starting register low byte number of
5. __ 5 tab 92 e 112 MN Alarm Output Function e Turn the alarm output on or off e Read write e Modbus 717 Range O off 1 alarm Default O off Active always Alarm Type e Select alarm type A process alarm responds when the temperature leaves a fixed range A deviation alarm responds when the temperature deviates from the set point by a set number of degrees e Read write e Modbus 719 Range O process alarm 1 deviation alarm Default O process Active if Alarm Output Function Alarm Output Group is set to alarm Affects Alarm Low Alarm Output Group changes to sensor low for process alarms or 1999 for deviation alarm Alarm High Alarm Output Group changes to sensor high for process alarms or 9999 for deviation alarm Alarm Hysteresis e Sets the switching hysteresis for the alarm output This defines a band on the inside of the alarm set point When the process temperature is in this band the alarm state will not change e Read write e Modbus 720 Range 1 to 9999 Default 3 Active if Alarm Output Function Alarm Output Group is set to alarm Alarm Active Sides e Select which side or sides the alarm is active on e Read write e Modbus 723 5 20 Watlow MicroDIN gt Read Only A Read Write Turn On Off Range O both 1 high side only 2 low side only Default O both Active if Alarm Output Function Alarm Output Group is set to alarm Alarm La
6. e Read write e Modbus 504 Range 0 00 to 9 99 minutes Default 0 00 Active if Propband PID Group is not set to O and Units Type System Group is set to US y pe feb aod ab 99 pe fe Qa S Read Only Read Write Turn On Off Watlow MicroDIN 5 15 Cycle Time e Set the control output cycle time in seconds e Read write e Modbus 506 Range 0 1 to 60 0 seconds Default 2 0 Active if Propband PID Group is not set to O and Units Type System Group is set to US Control Output Hysteresis e Set the control output switching hysteresis e Read write e Modbus 507 Range 1 to 9999 F or C Default 3 Active only if Propband is set to O oO o ba 5 pa 3 192 e O e D Reaa Only A Read Write Turn On Off 5 16 Watlow MicroDIN A CAUTION Avoid writing continuously to EEPROM memory Continuous writes may result in premature control failure system downtime and damage to processes and equipment See Disable Non volatile Memory System Group Alarm Output Group Monitor Alarm Condition occoncnccnncnncnnnnnonnncnncnnnnnnos 5 17 Alarm Output Hardware cccconccccnnccncnnnco 5 17 Use Clear Alari escasos 5 18 Silence Alarm cescescccecevececcesetertercescerecereseeest 5 18 Setup Alarm LOW nnncncniiocinnici cronica 5 18 AlarM HION sewise 5 19 Alarm Output Function oocccccnconcnnccnonnncoo 5 19 Alarm Type c
7. cccccccsseeeeeeeeeees 5 24 CAUTION Avoid writing Error Group Monitor continuously to EEPROM memory Continuous writes Open Loop Error may result in e Read the open loop error status An open loop indicates that the premature control output is not responding appropriately to the input failure system e Read only downtime and e Modbus 210 damage to Range processes and 0 no error equipment 1 open loop error detected Default volatile Memory Active System Group always D Open Loop Detect e Turn the open loop detect feature on or off 192 f i e Read write T e Modbus 904 Range O off 1 on Default O off Active always Affects Read Open Loop Error Error Group must be on to activate Read Open Loop Error 5 22 Watlow MicroDIN D Read Only 2 Read Write Turn On Off Input Error see also Input Group e Monitor the input error status e Read only e Modbus 101 Range 0 no error 1 analog to digital signal under range 2 sensor under range 3 sensor over range 4 analog to digital over signal range Default none Active always System Error e Read the system error status e Read only e Modbus 209 Range 0 no error 4 RAM error 5 non volatile checksum error 6 PROM error 7 hardware failure 11 software version change 12 calibration checksum error 13 analog to digital failure 14 non volatile hardware failure 15 new unit Default none Active always o Er
8. ctricas r pidas ENV 50140 1994 Inmunidad radiada ENV 50141 1994 Inmunidad conducida ENV 50204 1995 Tel fono port til EN 50081 2 1994 Norma de emisi n gen rica del EMC parte 2 Ambiente industrial EN 55011 1991 L mites y m todos de medici n de caracter sticas de perturbaciones de radio correspondientes a equipos de radiofrecuencia industriales cient ficos y m dicos Clase A 73 23 EEC Directiva de baja tensi n 1993 Requerimientos de seguridad para equipos el ctricos de medici n control y uso en laboratorios Parte 1 Requerimientos generales EN 61010 1 Winona Minnesota USA Place of Issue Erwin D Lowell Name of Authorized Representative General Manager Title of Authorized Representative Of El Signature of Authorized Representative February 1 1997 Date of Issue 1043 Specifications WOUD XSPN Rev A01 Control Mode e Microprocessor based user selectable control modes e Single input single output e Heat or cool auto tuning Output 1 User selectable e ON OFF P PI PD PID heat or cool action adjustable switching differential 1 to 9999 or 0 1 to 999 9 F or C e Proportional band O to 9999 or 0 0 to 999 9 F or C e Integral 0 00 to 99 99 minutes per repeat e Reset 0 00 to 99 99 repeats per minute e Derivative Rate 0 00 to 9 99 minutes e Cycle Time 0 1 to 60 0 seconds Output 2 User selectable e Process or deviation alarm with flashing alarm st
9. nn nnmn 1 A A A controller address one byte command 0x80 exception code 0x01 or 0x02 or 0x03 CRC low byte CRC high byte Messages with the wrong format timing or CRC are ignored A read command sent to an inactive parameter returns 0x0000 Example Exception 01 Command 02 is not supported Sent 01 02 00 01 00 02 A8 OB Received 01 82 01 81 60 Example Exception 02 The parameter at register 45 0x002D is inactive Sent 01 06 00 2D OO 01 D8 C3 Received 01 86 02 C3 Al Example Exception 03 Cannot write 12 000 0x2E E0 to register 7 out of range illegal data value Sent 01 06 00 07 2E EO 24 23 Received 01 86 03 02 61 A 6 Watlow MicroDIN Cyclical Redundancy Checksum CRC Algorithm This C routine calc_crc calculates the cyclical redundancy checksum CRC for a string of characters The CRC is the result of dividing the string by OxA001 Modbus applications calculate the packet s CRC then append it to the packet define POLYNOMIAL OxA0O1 unsigned int calc_crc unsigned char start_of packet unsigned char end_of packet unsigned int crc unsigned char bit_count unsigned char char_ptr Start at the beginning of the packet char_ptr start_of packet Initialize CRC crc Oxffff Loop through the entire packet do Exclusive OR the byte with the CRC crc unsigned int char_ptr Loop through all 8 data bits bit_count 0 do
10. 01 to indicate an illegal function 02 illegal register or 03 illegal data If you try to write to an inactive prompt the controller will return an illegal data address message 02 If you already have a software application that uses Modbus you can simply Skip to the Temperature process Controller Prompt Table or the Modbus RTU Address Table in this chapter for the address information your program will need The rest of this section on the Modbus provides information for writing a software application that uses Modbus Writing a Modbus Application You need to code messages in eight bit bytes with no parity bit one stop bit 8 n 1 Negative parameter values must be written in twos complement format Parameters are stored in two byte registers accessed with read and write commands to a relative address Messages are sent in packets that are delimited by a pause at least as long as the time it takes to send 30 bits To determine this time in seconds divide 30 by your baud rate Because changing some parameters automatically changes or defaults other parameters use the Complete Parameter Download Sequence table in this chapter to order write commands Using a controller address of 0x00 for a write command broadcasts that command to all the controllers in the network This is a powerful feature if all the controllers on a network use all or most of the same parameters Packet Syntax Each message packet begins with a one byte con
11. 485 Network Elements of a MicroDIN 485 Network 2 3 PC Connection via 232 485 Converter 2 3 Special Case 485 Considerations Termination Resistor ccecce Pull Up and Pull Down Resistors 2 4 Modbus Protocol RIU COUPP 0 0MP PCPOP O AA 25 Access via Registers ecn 25 MicroDIN Supports sisses 2 5 Modbus Register Table 2 6 DIP Switches Set Address Baud Rate MicroDIN DIP Switch Table 2 1 Required Parameters Setup 2 8 Serial Data Format Data Format Table ccomoooco 2 9 Wiring Tasks Wining TaSK LISU sarten 2 9 Communications Software Watlow s WatLink ccccccccccnnno 2 9 Other Software Options 2 9 Watlow MicroDIN 2 1 Communications Overview ElA 485 Network The MicroDIN uses the El A 485 formerly ORS 4850 hardware interface to communicate with three wires in a half duplex configuration up to 32 remote devices with a master unit on a network up to 4 000 feet long using 14 26 gauge wire O O 3 O i Modbus Protocol The MicroDIN uses Modbus RTU protocol to read and write to registers that can be viewed or changed from a personal computer Each MicroDIN OparameterO has a corresponding Modbus register and access privileges The MicroDIN parameter register numbers and the order of priority appear later in this chapter Chapter 5 details all the MicroDIN paramete
12. Error steady red Normal off o tA Alarm steady red Normal 0ff O D La pa Oo gt N e Unit will not communicate e Input is in error condition e Alarm wont occur e Alarm wont dear Flashing LED y Error 4 Indicator Light o 2 Errors Pattern o o Error6 o Mo lt E rror 7 o Error 11 E Error 12 O Us 0 o 6 4 Watlow MicroDIN o le Error 13 gt o Error 14 x a Error 15 2 o o e 0 O O Probable Cause s Power e Power supply switch off e Fuse blown e Breaker tripped e Safety interlock door switch etc e Separate system limit control may be latched e Open wiring e Power lt 20V ac dc Communications e MicroDIN address DIP switch incorrectly set e MicroDIN baud rate DIP switch incorrectly set e MicroDIN unit to unit daisy chain disconnected e Reversed short or open El A 485 communications wiring e El A 485 converter box incorrectly wired e Computer COM port incorrectly set up e Communications software setup or address incorrect e Protocol or parity wrong not 8 n 1 e Needs termination and pull up and pull down resistors Input Error e The sensor is improperly wired e Sensor wiring reversed shorted or open e MicroDIN firmware setting does not actual sensor e Power lt 20V acdc e Ambient environmental temperature out of spec for MicroDIN e TheMicroDIN open loop detect shows a broken sensor e The calibration offset pa
13. Function 5 8 5 9 Control Output Group 5 8 5 10 Control Output Hardware 5 8 Corr 53 Cycle Time 5 15 5 16 cyclical redundancy checksum A 7 D Date of Manufacture 5 25 Decimal Point 5 3 Declaration of Conformity A 12 Derivative 5 15 deviation alarms 4 12 Diagnostics Group 5 27 5 29 Diagnostics Mode _5 29 dimensions A 14 DIP switches 2 7 Disable Non volatile Memory 5 2 dismounting 3 4 E ElA 485 2 3 electromagnetic compatibility and immunity A 14 Enter Calibration Mode 5 30 Enter Diagnostics Mode 5 29 Error Clearing Mode 5 24 Error Group 5 22 5 24 errors 4 14 exception responses A 6 E Factory Calibration 5 30 5 31 Filter Time Constant 4 5 5 7 Fixed Manual Output 5 10 H High Side Power 5 9 G Glossary A 8 A 11 Initiate Auto tune 5 17 input 4 4 4 6 Input Actual 5 4 Input Counts 5 27 Input Error 5 4 5 23 5 24 Input Error Action 5 7 5 22 5 23 Input Group 5 4 5 7 Input Type 5 5 input wiring 3 6 installation 3 1 3 12 Integral 5 14 internal load switching A 13 A 14 introduction 1 2 L lights 1 3 loop back command A 5 A 6 Low Side Power 5 9 5 10 Manual Output Power 5 12 Modbus register numbers 2 6 Modbus remote terminal unit 2 5 A 2 Model Number 5 27 mounting 3 1 3 4 multiple registers command A 3 A 4 N Non volatile Memory 5 2 O on off control 4 7 Open Loop Detect 4 14 5 22 Open Loop Error 5 22 operating environmen
14. MicroDIN A 9 gt Ke gej 4 pa gt lt proportional control A control using only the P proportional value of PID control range The area between two limits in which a quantity or value is measured It is usually described in terms of lower and upper limits rate Anticipatory action that is based on the rate of temperature change and compensates to minimize overshoot and undershoot See derivative rate band A range in which the rate function of a controller is active Expressed in multiples of the proportional band See PID reference junction see junction reference remote A controller that receives its set point signal from another device called the master remote set point A signal that indicates the set point for the process and is sent from another device reset Control action that automatically eliminates offset or droop between set point and actual process temperature Also see integral automatic reset The integral function of a PI or PID temperature controller that adjusts the process temperature to the set point after the system stabilizes The inverse of integral automatic power reset A feature in latching limit controls that does not recognize power outage as a limit condition When power is restored the output is re energized automatically as long as the temperature is within limits manual reset 1 A feature on a limit control that requires human
15. Proportional Band e Set the proportional band for PID control See Chapter 4 for Information about PID control e Read write e Modbus 500 Range 0 on off control mode 1 9999 F or C proportional control mode Default 25F 179C Active always S Integral U tab __ 5 tab 92 e 112 MN e Set the integral time for PID control See Chapter 4 for information about PID control e Read write e Modbus 501 Range 0 00 to 99 99 minutes Default 0 00 Active if Propband PID Group is not set to O and Units Type System Group is set to SI Affected by Changing Units Type System Group will convert Integral to Reset Reset e Set the reset time for PID control See Chapter 4 for information 5 14 Watlow MicroDIN gt Read Only 2 Read Write Turn On Off about PID control e Read write e Modbus 502 Range 0 00 to 99 99 minutes per repeat Default 0 00 Active if Propband PID Group is not set to O and Units Type System Group is set to US Affected by Changing Units Type System Group will convert Integral to Reset Derivative e Set the derivative time for PID control See Chapter 4 for Information about PID control e Read write e Modbus 503 Range 0 00 to 9 99 minutes Default 0 00 Active if Propband PID Group is not set to O and Units Type System Group is set to SI Rate e Set the rate time for PID control See Chapter 4 for information about PID control
16. Wiring cocccccconcnonns 3 8 Converter To MicroDIN Wiring Example 3 8 Special ElA 485 Considerations 3 9 Wiring Example comncccccccccccccncconacncnnnananos 3 10 Wiring Example ssasssssssssnsnnnnnnnnnnnnnnnnnnnn 3 11 Watlow MicroDIN 3 1 Introduction For a successful MicroDIN installation you need to cover the tasks cited in the subheads below If you do all these things and the MicroDIN doesn t work go to the troubleshooting chart in Chapter 6 Set DIP Switch First If you haven t done it already set the controller s address and baud speed with the DIP switches on the top of the unit see Chapter 2 Communications Setup The controller uses eight data bits with no parity and 1 stop bit Mount on DIN Rail or Tabs Mount the controller s either on an EN 50022 35mm x 7 5mm DIN rail or with the built in mounting tabs Wire Unit I O Wire the MicroDIN s input output communications and power connections using the diagrams in this chapter 12 e amp e Y 192 Installation Accessories 0219 0218 0000 Included 6 inch communications cable RJ 11 4 conductor straight through 0836 0445 0000 Included 10 pin removable connector with screw terminals Not Included 0219 0217 0000 7 foot communications cable RJ 11 4 conductor straight through 0830 0473 0000 Communications converter El A 232 to El A 485 0830 0474 0000 Power supply 120V ac input 24V dc output
17. a write Active always U o ba 5 pa 3 192 e O wm gt Read Only A Read Write Turn On Off 5 18 Watlow MicroDIN Alarm Output Group Setup Alarm Low e Set the low alarm set point e Read write e Modbus 321 Range process sensor range low to Alarm High Alarm Output Group deviation 1999 to 1 Default process sensor range low deviation 1999 Active if Alarm Output Function Alarm Output Group is set to alarm Affected by Sensor Type Input Group determines range of setting and default Input Type Input Group determines range of setting and default Alarm Type Alarm Output Group determines range of setting and default C or F System Group converts and determines range of setting Alarm High e Set the high alarm set point e Read write e Modbus 322 Range process Alarm Low Alarm Output Group to sensor range high deviation 1 to 9999 Default process sensor range high deviation 9999 Active if Alarm Output Function Alarm Output Group is set to alarm Affected by Sensor Type Input Group determines range of setting and default Input Type Input Group determines range of setting and default Alarm Type Alarm Output Group determines range of setting and default C or F System Group converts and determines range of setting N Them D dl D p oa S Read Only Read Write Turn On Off Watlow MicroDIN 5 19 oO tab
18. intervention to return the limit to normal operation after a limit condition has occurred 2 The adjustment of a proportional control to raise the proportional band to compensate for droop resistance temperature detector RTD A sensor that uses the resistance temperature characteristic to measure temperature There are two basic types of RTDs the wire RTD which is usually made of platinum and the thermistor which is made of a semiconductor material The wire RTD is a positive temperature coefficient sensor only while the thermistor can have either a negative or positive temperature coefficient RTD Seeresistance temperature detector thermal system A regulated environment that consists of a heat source heat transfer medium or load sensing device and a control instrument thermocouple t c A temperature sensing device made by joining two dissimilar metals This junction produces an electrical voltage in proportion to the difference in temperature between the hot junction Sensing junction and the lead wire connection to the instrument cold junction thermocouple break protection The ability of a control to detect a break in the thermocouple circuit and take a predetermined action three mode control Proportioning control with integral reset and derivative rate Also see PID time proportioning control A method of controlling power by varying the on off duty cycle of an output This variance is pr
19. on the gas pedal of a car as you approach a stop sign It keeps the temperature or process value from Swinging as widely as it would with simple on off control However when a system settles down the temperature or process value tends to droop short of the set point The proportional band can be viewed or changed with Propband PID Group To only view the proportional control value use Proportional Term PID Group Set Point ia Proportional Band Droop Temperature Time Figure 4 8 Proportional Control 4 8 Watlow MicroDIN Proportional plus Integral PI Control The droop caused by proportional control can be corrected by adding integral reset control to the system When the system has settled down the integral reset value is tuned to bring the temperature or process value closer to the set point However this may increase the overshoot that occurs at startup or when the set point is changed Used more with fast high loss loads View or change the integral or reset value with Integral or Reset To only view the integral control value use Integral Term PID Group Overshoot Set Point Proportional Band Droop Corrected Temperature Time Figure 4 9 Proportional plus Integral Control Watlow MicroDIN 4 9 Proportional plus Integral plus Derivative PID Control Figure 4 10 PID Control Use derivative rate control to minimize the overshoot in a Pl controlled system Deriva
20. open loop error occurs shut down the system check the input and control output wiring and check the input and output devices The open loop detect feature can be turned on or off with Activate Open Loop Detect Error Group Use Open Loop Error Error Group to check for an open loop condition 4 14 Watlow MicroDIN Bumpless Transfer When the sensor opens fails the MicroDIN switches from automatic to manual operation When transferring from automatic to manual operation the control output or outputs remain stable a bumpless or smooth transition If the Input Error Action parameter is set to O bumpless transfer and the process has stabilized at a power level less than 75 5 for a two minute period prior to the sensor break then the MicroDIN switches to manual operation at the last automatic power level If these conditions are not met the output goes to 0 power output disabled If the Input Error Action parameter is set to Fixed Manual Output the MicroDIN switches to manual operation at the Fixed Manual Output percent power value Manual operation provides open loop control of the outputs from a range of 100 to 100 output The MicroDIN allows a negative output value only when Output 1 is set to cool Automatic operation provides closed loop on off or PID control When the operator transfers from a closed loop to an open loop the MicroDIN sets the power level to the setting of the Input Error Action par
21. or peripheral devices Failure to do so could result in injury or death NOTE Relay suppression required only for inductive loads Figure 3 7b Control Output Open Collector with External Power Supply Figure 3 7a Control Output Switched DC with Internal Power Supply SS Ss 12345 67 8 910 SS gt A 4 6 7 07910 External Switching Device pe Se Lo lt aN 24V d0 i Internal Circuitry O 4 5 6 dc dc COM Figure 3 7d Alarm Output Figure 3 7e Power Wiring MON SO 123 45 6 7 8 910 1t 2 3456 8 910 Relay Suppression 24V ac dc External Load L2 Watlow MicroDIN 3 7 wm re A amp amp O Communications Wiring Figure 3 8a MicroDIN communications daisy chain via RJ 11 connectors NOTE If your network doesn t function see Chapter 2 for special ElA 485 considerations Figure 3 8b B amp B Converter to MicroDIN Wiring B amp B Electronics Manufacturing Company Ph 815 433 5100 A WARNING To avoid potential electric shock use National Electric Code NEC safety practices when wiring and connecting this unit to a power source and to electrical sensors or peripheral devices Failure to do so could result in injury or death Figure 3 8c CMC Converter to MicroDIN Wiring CMC Connecticut Micro Computer Inc Ph 800 426 2872
22. remains constant see Chapter 5 1 switch to the Fixed Manual Output Control Output Group setting 2 shut off output Default 0 bumpless transfer Active always S Read Only Read Write Turn On Off Watlow MicroDIN 5 7 N E D dl D ES a oO tab __ tab 92 e 112 MN A CAUTION Avoid writing continuously to EEPROM memory Continuous writes may result in premature control failure system downtime and damage to processes and equipment See Disable Non volatile Memory System Group Control Output Group Monitor Output POW miras id 5 8 Control Output Hardware occcccnncnncnoccnonos 5 8 Setup Control Output FUNCION ccccocccccnnconcnocononos 5 8 Power Limit Set Point sesssscccccscccc 5 9 High Side POWE coccoocccccnnccccnoncconanoconncononaronos 5 9 Low Side POWE uu ecceccceceeececceeeeeeeeeeeeeeeaeeass 5 9 Fixed Manual Output c cooccccnnccccnnncccnnnnncnnars 5 10 Control Output Group Monitor Output Power e Monitor the control output power level This can limit PID Output Power PID Group e Read only e Modbus 103 Range heat 0 0 to 100 0 cool 100 0 to 0 0 Default none Active always Control Output Hardware e Read the control output hardware type e Read only e Modbus 16 Range 3 dc Default 3 Active always Control Output Group Setup Control Output Function e Select whether the control ou
23. 09 Units Type CorF Inout Error Action Control Output Function Set Fixed Manual Output Open Loop Detect Sensor Type Input Type Range Low C Range High C Decimal Point Calibration Offset Filter Time Constant Error Clearing Mode Power Limit Set Point High Side Power O Low Side Power O Alarm Output Function Alarm Type Alarm Hysteresis C Alarm Latching Mode Alarm Silencing Mode Alarm Active Sides Alarm Logic Alarm High Alarm Low Propband Integral Reset Derivative Rate Cycle Time Output Hysteresis C D Operation Mode Set Point Manual Output Power O Set Point C Table 2 8 Parameters Setup order Watlow MicroDIN 2 8 O OO JIJ U U g O U OOJO U U J O UU o o O O O J U O O O Serial Data Format Configure your computer s COM1 or COM 2 communications port data format to match the MicroDIN s settings in the table below Table 2 9a Serial Data Format Data Bits Stop Bit Start Bit 8 1 1 N O CS 2 O db MicroDIN Installation Wiring Tasks MicroDIN requires these wiring tasks for a successful installation Wire MicroDIN sensor input Wire MicroDIN Output 1 the control output Wire MicroDIN Output 2 the alarm output Wire MicroDIN power Connect the MicroDIN communications daisy chain Wire the 232 to 485 converter con
24. 1 Internal Output Circuitry ssscsssssecssssseeecesseesnsnnieeeennen 3 6b_ The System o cccccccccsccscscsscscssssescessscssssessstesssssesssstessssseensenes 4 2 Alarm Output concccnnccnnonicnonnnncnnnrenrrcerrrerrerererererer 3 00 PROTOS contorno oso icon mentees 4 2 Power Wiring sssr rr 3 60 A EEN 4 3 Converter to MicroDIN Wiring Example sssssssssssssssssseee 3 7 ODOT aona 4 4 Termination for MicroDIN s ssssssssssssssnssssnrrnesnrnesnrnennnrnnnnnnnnns 3 9 Calibration Offset in 4 4 System Wiring Example essere teense 3 10 Filter Time Constant sartenes 4 5 System Wiring Example cesses ieee 3 11 Sensor SISO ete sie 4 6 AULO EUNING coronnncnnnrnnnnnnnnrnnnrnnnnrnnnrnnnrnnrn enano rnnrrrnarrnnrr nenes 4 2 Range Low or Range High ccccccncinnicnicninnininncnninornornccnornonnanono 46 Power LITMUS cocineros 43 Control Methods c ccccccccccsecesecesecscscsescsececececececsesvsnsesecevenes 47 Calibration Offset ECOS 4 4 ON O 0 o tenia ane cee iaee seat eceeese 4 7 Filtered and Unfiltered Input Signals ccoooooccoooroooooosss 45 Proportional Control c ccesscssesesssessesessseseesesststsessesssneeesess 48 Sensor Ranges serene EAS 4 6 Proportional plus Integral Pl Control sics 4 9 On Off Control for Cooling and Heating 47 Proportional plus Integral plus Derivative PID Control 4 10 Proportional Control sssssscsssesesseeessseessiieessseieessseesen 4 8 A nee cee a tae E ese ee
25. 10 3 11 e Return unit to factory e See back cover e Return unit to factory e See back cover e Cycle power to unit e Seep 3 10 3 11 e Recalibrate unit e Seep 6 6 e Return unit to factory e See back cover e Return unit to factory e See back cover e Return unit to factory e See back cover Watlow MicroDIN 6 5 O D Lm pa Oo gt N Calibrating MicroDIN Note For information on writing Modbus RTU communications software for MicroDIN see the Appendix To enter the calibration mode first enter the diagnostics mode send value 1789 to register 1512 Once in Diagnostics mode to enter calibration mode send 1415 to register 1600 To restore factory calibrations settings send value 1 to register 1601 Thermocouple Input Procedure Equipment Required e Type reference compensator with reference junction at 32 F 0 C or type thermocouple calibrator set at 32 F 0 C e Precision millivolt source 0 50mV minimum range 0 002mV resolution Setup and calibration 1 Connect voltage to MicroDIN Terminals 9 10 24V ac dc 2 Connect the millivolt source to Terminal 1 and Terminal 2 on the MicroDIN with copper wire Enter 0 000mV from the millivolt source to the MicroDIN Allow at least 10 seconds to stabilize e Send value 1 to register 1603 to store 0 000mV input Enter 50 000mV from the millivolt source to the MicroDIN Allow at least 10 seconds to stabilize e Send
26. 23 Clear Error 311 ccceeeeeeeesereeeee 5 23 Input Error Action 902 5 24 Error Clearing Mode 607 5 24 Characteristics Group 5 25 Date of Manufacture 5 5 25 Ship Date 6 5 25 Serial Number 1 1 5 25 Serial Number 2 2 ccccccseeeeeeeeees 5 26 Software ID Number 3 5 26 Software Revision 4 5 26 Diagnostics Group 5 27 Model Number 0 occoncccncnnnoo 5 27 Ambient CJ C A to D Counts 1501 5 27 Input A to D Counts 1504 5 27 RTD Lead Compensation Analog to Digital Counts 1502 5 28 RTD Lead Resistance 1503 5 28 Proportional Term 205 5 28 Integral Term 206 5 28 Derivative Term 207 ccceeceeeeee 5 29 Enter Diagnostics Mode 1512 5 29 Test Displays 1513 5 29 Test Outputs 1514 o 5 29 Calibration Group 5 30 Enter Calibration Mode 1600 5 30 Calibration Commands 1603 5 30 Restore to Factory Calibration 1601 5 31 Reset Factory Defaults 1602 Biol Watlow MicroDIN 5 1 N T D ad D l a oO tab __ 5 tab 92 e 112 MN A CAUTION Avoid writing continuously to EEPROM memory Continuous writes may result in premature control failure system downtime and damage to pro
27. 3 2 Watlow MicroDIN Mounting the MicroDIN To mount a MicroDIN on a DIN rail hook the upper lip of the rail mounting bracket onto the rail and press the controller down until the bottom lip of the mount snaps onto the rail To remove as you push the back of the controller down lift the front up until the bottom lip unsnaps from the rail To mount a MicroDIN on a panel use the dimensions below to drill screw holes for the mounting bracket Figure 3 3 Na bracket for Mounting a MicroDIN panel mounting he in controller 6 screw Gmm or m3 5 required Top bottom Side View _ mount hole offset a ae T WATLOW ee MicroDIN Temperature Controller qe o 1 Power Go Comms a O gt cima 2 4 650 in 118 mm ea Min Clearance AD Eput between rail Front View centerlines 4 146 mm A a A WAR RT 129 mm Min Clearance 2 in 51 mm 1 637 in 42 mm 2 875 in 73 mm Z gt WATLOW MicroDIN Temperature Controller WATLOW MicroDIN Temperature Controller D Power 1 Power a by Comms A Control O gt Output Go Comms a Control Output O INE l KOR Ge x y Y Wee Ve l AD Eror Y A CAUTION Maintain the correct spacing between rows of controllers to allow sufficient air circulation and installation clearance Failure to do so could result in AA 07 Use DIN EN 50022 35mm x 7 5mm Rail damage to equipment 1 6
28. 50 in 42 mm Watlow MicroDIN 3 3 Mounting the MicroDIN on a DIN rail To Mount MicroDIN 1 Push unit in and down to catch rail hook on top of rail 2 Rotate bottom of unit in toward rail 3 Rail clasp will audibly snap into place If the MicroDIN does not snap into place check to see if the rail is bent J 2 st pa a g gt Figure 3 4a Mounting a MicroDIN controller on a DIN rail To Dismount MicroDIN 1 Press down on back of controller until the bottom hook clears the rail 2 Then rotate bottom up and away from rail Figure 3 4 b Dismounting a MicroDIN controller from a DIN rail 3 4 Watlow MicroDIN MicroDIN RJ 11 and 10 pin Connectors A WARNING To avoid potential electric shock use National Electric Code NEC safety practices when wiring and connecting this unit to a power source and to electrical sensors or peripheral devices Failure to do so could result in injury or death Figure 3 5 Bottom view of MicroDIN case with connector assignments A WARNING Install high or low temperature limit control protection in systems where an over temperature fault condition could present a fire hazard or other hazard Failure to install temperature limit control protection where a potential hazard exists could result in damage to equipment and property and injury to personnel The MicroDIN 10 pin screw terminal connector on the bottom of the c
29. D Integral Term PID Derivative Term PID System Error Error Open Loop Error Error Set Point Operation User Operation Mode Operation Auto tune Set Point PID Initiate Auto tune PID Manual Output Power Operation Clear Error Error Alarm Low Alarm Output Alarm High Alarm Output Clear Alarm Alarm Output Silence Alarm Alarm Output Proportional Band PID Integral PID Reset PID Derivative PID Rate PID Cycle Time PID Control Output Hysteresis PID Sensor Type Input Absolute Relative Parameters Address 40602 601 40603 602 40604 603 40605 604 40606 605 40607 606 40608 607 40701 700 40714 713 40715 714 40716 715 40718 717 40720 719 40721 720 40722 721 40723 722 40724 723 40725 724 40901 900 40902 901 40903 902 40904 903 40905 904 41501 1500 41502 1501 41503 1502 41504 1503 41505 1504 41513 1512 41514 1513 41515 1514 41601 1600 41602 1601 41603 1602 41604 1603 Input Type Input Range Low Input Range High Input Filter Time Constant Input Calibration Offset Input Decimal Point System Error Clearing Mode Error Control Output Function Control Output Power Limit Set Point Control Output High Side Power Control Output Low Side Power Control Output Alarm Output Function Alarm Output Alarm Type Alarm Output Alarm Hysteresis Alarm Output Alarm Latching Mode Alarm Output Alarm Silencing Mode Alarm Output Alarm Active S
30. Electrostatic discharge EN 61000 4 4 1995 Electical fast transients ENV 50140 1994 Radiated immunity ENV 50141 1994 Conducted immunity ENV 50204 1995 Cellular phone EN 50081 2 1994 EMC Generic emission standard Part 2 Industrial environment EN 55011 1991 Limits and methods of measurement of radio disturbance characteristics of industrial scientific and medical radio frequency equipment Class A 73 23 EEC Low Voltage Directive 1993 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements English EN 61010 1 D clare que le produit suivant D signation S rie MicroDIN Num ro s de modele s UD 1A 1CES quatre chiffres ou lettres quelconques Commande installation cat gorie Il degr de Francais Classification pollution Il Tension nominale 24 a 28 V c a c c Fr quence nominale 50 60 Hz Consommation d alimentation nominale 5 VA maximum Conforme aux exigences de la ou des directive s suivante s de l Union Europ enne figurant aux sections correspondantes des normes et documents associ s ci dessous 89 336 EEC Directive de compatibilit lectromagn tique EN 50082 2 1995 Norme g n rique d insensibilit lectromagn tique Partie 2 Environnement industriel EN 61000 4 2 1995 D charge lectrostatique EN 61000 4 4 1995 Courants lectriques transitoires rapides ENV 50140 1994 Insensibilit a n
31. IN parameter has a corresponding Modbus register and access privileges The value of each parameter is stored in a Modbus register The access privilege read only write only or read write determines whether you can change and or view a parameter s value Chapter 5 explains some of the interactions between parameters The tables at the end of this chapter show the parameters and their setup order N 2 O MicroDIN Supports N CAUTION Avoid writing continuously to EEPROM memory Continuous writes may result in premature control failure system downtime and damage to processes and equipment See Disable Non volatile Memory System Group Ch 5 Multiple Register Reads MicroDIN supports Modbus Commands 03 and 04 read of a 1 to 32 register block Responses from 1999 to 9999 are valid data for up to 32 register writes Modbus 32000 Errors A Modbus read command response of 32000 indicates that a register is not implemented 32001 register not active or 32002 not read accessible Single Register Writes MicroDIN supports a Modbus write command 06 to a single register Multiple Register Writes MicroDIN supports a Modbus write command 16 for multiple writes as long as the data length is 1 Writing to address O broadcasts to all devices on the network Write Exceptions MicroDIN supports write exceptions 01 illegal function 02 illegal regist
32. MICRODIN User s Manual E ME N MSE gt VAN A AAG TR a QRH ZZ SS Soo a 2 Registered Company Winona Minnesota USA Communicating Subpanel Temperature Controller User Levels e Naw USGI craneo go to page 1 1 e Experienced User ioncocccccccccccnnnococconnnonononnnnnnnns go to page 2 1 e Expert User consigan dera go to page 2 1 Installers Bt 0 E E E go to page 2 1 e Wiring amp Installation o ooonnccncccnnnnncncoonnnoo go to page 3 1 O LOW Controls 1241 Bundy Blvd P O Box 5580 Winona MN USA 55987 5580 Phone 507 454 5300 Fax 507 452 4507 Made in the U S A WOUD XUMN Rev A 10 January 1997 A Addendum MicroDIN User s Manual Quick Start Guide CE Compliance Purpose To meet Mark CE requirements this addendum provides supplemental information to the MicroDIN User s Manual WOUD XUMN Rev A and the MicroDIN Quick Start Guide WOUD XQRN Rev A Power Supply Rating MicroDIN CE Mark compliance requires an IEC 742 rated power supply This applies to the following power supply references User s Manual p 3 2 3 7 fig 3 7e 3 10 fig 3 10 3 11 fig 3 11 and A 14 Quick Start Guide p 13 fig 3 4e 16 17 and 22 Figure 3 e ERA Power Wiring NOTE Antec PMA 8 8 Boe 742 rated power supply is 24V ac dc required for CE compliance External DC Output Fusing Also a customer supplied 1A fuse is required for ex
33. Resistor at the Last MicroDIN CAUTION Apply termination and pull up pull down resistors only if necessary to establish data communications Adding this resistance to a network where it is not required could result in loss of communications and damage to process product In some cases long distance networks may require termination resistors If the continuity checks good and you still cannot get valid responses add termination You can make a terminator by placing a 120 resistor across the C and D terminals of a standard RJ 11 phone plug Plug the terminator into the open socket in the furthest MicroDIN from the computer See Chapter 3 Olnstallation and Wiring for a wiring diagram Termination and Pull Up Pull Down Resistors at the Converter If you use a terminator you should also add pull up and pull down resistors to the EIA 485 converter box Place a 120 ohm resistor across the transmit receive terminals C and D of the converter box Add 1K pull up and pull down resistors as shown in Chapter 3 to maintain the correct voltage during the idle state See Chapter 3 for wiring diagram 2 4 Watlow MicroDIN MicroDIN A Modbus Remote Terminal Unit RTU RTU Access Via Registers The MicroDIN uses Modbus RTU remote terminal unit protocol to read and write to registers that can be viewed or changed from a personal computer Sending ASCII text commands to the MicroDIN will not work Each MicroD
34. Time Figure 4 5 Filtered and Unfiltered Input Signals Watlow MicroDIN 4 5 Sensor Selection You need to configure a controller to match the input device which is normally a thermocouple or RTD When you select an input device the controller automatically sets the input linearization to match the sensor It also sets high and low limits which in turn limit the range high and range low values Use Sensor Type and Input Type Input Group to select the appropriate sensor High Limit of selected Sensor Range gt Range High Range between High Limit of Sensor and Range Low Range High _ set Point Range must be between Range High and Range Low Range Low E Range Low Range between Low Limit of Sensor and Range High Temperature Low Limit of selected Sensor TEA Time Figure 4 6 Sensor Ranges Range Low and Range High The controller constrains the set point to a value between range high and range low Range high cannot be set higher than the sensor high limit or lower than range low Range low cannot be set lower than the sensor low limit or higher than range high Use Set Point Operation Group Range High and Range Low Input Group to select or view values for the corresponding parameters 4 6 Watlow MicroDIN Control Methods On Off Control On off control switches the output either full on or full off depending on the input set point and hysteresis values The hysteresis value create
35. after checking the above you can get technical assistance from your local Watlow representative or by dial ing 507 454 5300 An applications engineer will discuss your application with you Please have the following information available when calling e Complete model number e All configuration information e User s Manual e Diagnostic menu readings Your Feedback Your comments or suggestions on this manual are welcome please send them to Technical Writer Watlow Controls 1241 Bundy Blvd P O Box 5580 Winona MN 55987 5580 Phone 507 454 5300 F ax 507 452 4507 The MicroDIN User s Manual is copyrighted by Watlow Winona Inc December 1996 with all rights reserved Watlow MicroDIN iii Table of Contents Chapter 1 Overview sii cseisiisccswasomasnoisnseesnctsdacsnennnianaasnsdbasbatebionaabienee Tel Io eso ai sssusa 4 14 Introduction to the MicroDIN Controller oo o cco occcccoo 12 open Loop BE reisene a s 4 14 o La B mpless TVANSI ST aorta ide 4 15 CSO NGS era iit eee eae eee net 13 Chapter 5 Parameters c cssssssssseeseecsssssesseseecsseseeseeseeees Bol Chapter 2 Communications Setup ooooocccicnoccconicnconioncononanonnos Zi A ei 52 Communications Overview oonnnconnnncnnnonnnininnninana conan 22 input Gr OUD eisai anann e 54 EIA 485 Network 0 cccosrostomsasscii ere 2 Control OUT OUT COLD serrana 5 8 Elements of a MicroDIN 485 Network ccc
36. ameter If Input Error Action is set to 0 bumpless transfer the controller retains the power level from the closed loop control When the MicroDIN returns to closed loop control it restores the previous set point process value Figure 4 15 Bumpless Transfer Set Point Actual Temperature D 3 Tie a Break cS Output Power lt 75 power lt 2min gt Locks in Output 0 Power Time Watlow MicroDIN 4 15 Notes 4 16 Watlow MicroDIN Chapter Five Learn the Parameters System Group 5 2 Ambient CJ C Temperature 1500 5 2 Non volatile Memory 24 5 2 Units Type 900 c ooocccccccccnocconcncnnna os 5 3 Cor F 90T eean ci 5 3 Decimal Point 606 5 3 Input Group 008 5 4 Input Actual 100 ooccncccc 5 4 Input Error 101 oooccccncc 5 4 Sensor Type 600 ccccoocccccccccccoocoo 59 Input Type 601 ccocccnocccccccnccnccn 5 5 Range LOW 602 cccccccccnocccnccccnno o 5 6 Range High 603 ooonccncncc 5 6 Calibration Offset 605 5 6 Filter Time Constant 604 5 7 Input Error Action 902 5 7 Control Output Group 5 Output Power 103 5 8 Control Output Hardware 16 5 8 Control Output Function 700 5 8 Power Limit Set Point 713 5 9 High Side Power 714
37. anding Barb Lowenhagen Dave Zill board assembly Erin Benson technician Kathy Holzworth production test John Gabbert technical documenta tion Tonya Adank surface mount Stan Breitlow engineering Shirley Brown final assembly Jason Beyer applica tion engineer Rose Johnson final assembly Jamil Al Titi R 4 D Brian Dulek wave Jim Brickner Winona manage ment Steve Griffiths manufacturing engineer Mary White customer service planner Dan Johnson agency coordi nator Les Stellpflug R 4 D About Watlow Controls Watlow Controls is a division of Watlow Electric Mfg Co St Louis Missouri a manufacturer of industrial electric heating products since 1922 Watlow begins with a full set of specifications and completes an industrial product that iS manufactured totally in house in the U S A Watlow products include elec tric heaters sensors controls and switching devices The Winona operation has been designing solid state electronic control devices since 1962 and has earned the reputation as an excellent supplier to original equipment manufacturers These OEMs depend upon Watlow Controls to provide compatibly engineered controls which they can incorporate into their products with confidence Watlow Controls resides in a 100 000 square foot marketing engineering and manufacturing facility in Winona Minnesota Watlow MicroDIN NOTE Details of a Note appear here in the narrow margin on the outside of each pag
38. ange High T with no power limit Process Set Point E Power Limit Set Point 2 between Range Low amp PE Power switches and Range High E to High Side Power Limit Output Power is limited to Low Side Power Limit Range Low e Temperature with power limit Time Figure 4 3 Power Limits Watlow MicroDIN 4 3 Input Calibration Offset Calibration offset allows a device to compensate for an inaccurate sensor lead resistance or other factors that affect the input value A positive offset increases the input value and a negative offset decreases the input value The input offset value can be viewed or changed with Calibration Offset Input Group Negative Calibration Offset will compensate for the difference between the Sensor Reading and the Actual Temperature Temperature Reading from Sensor Temperature Actual Process Temperature Time Figure 4 4 Calibration Offset 4 4 Watlow MicroDIN Filter Time Constant A time filter smooths an input signal by sampling the input at designated time intervals Either the viewed value or both the viewed and control values can be filtered View or change the time filter with Filter Time Constant Input Group A positive value affects only the viewed values A negative value affects both the viewed and control values The filter is a single pole low pass Unfiltered Input Signal Temperature Time Filtered Input Signal Temperature
39. areholders expectations Contact Your Authorized Watlow Distributor is e or Phone 507 454 5300 e Fax 507 452 4507 e For technical support ask for an Applications Engineer e To place an order ask for Customer Service e To discuss a custom option ask for a MicroDIN Product Manager Warranty The Watlow MicroDIN is warranted to be free of defects in material and work manship for 36 months after delivery to the first purchaser for use providing that the units have not been misapplied Since Watlow has no control over their use and sometimes misuse we cannot guarantee against failure Watlow s obligations hereunder at Watlow s option are limited to replacement repair or refund of purchase price and parts which upon examination prove to be defec tive within the warranty period specified This warranty does not apply to dam age resulting from transportation alteration misuse or abuse Returns e Call or fax Customer Service for a Return Material Authorization RMA number before returning a control e Put the RMA number on the shipping label and also on a description of the problem e 20 of net price restocking charge applies to all standard units returned to stock Watlow MicroDIN User s Manual Watlow Controls 1241 Bundy Blvd P O Box 5580 Winona MN 55987 5580 Phone 507 454 5300 Fax 507 452 4507
40. ase links it to its power supply control input control output and alarm output Use 26 to 14 gauge wire to connect to the plug terminals The alarm output is an electromechanical relay See the Appendix for information on sensor ranges and specifications See Chapter 5 Parameters for information about software configuration ABCD communications sockets 1 and 2 RJ 11 feb Lo Bottom View Ss 72 ASAS Te O 10 pin removable connector Input 1 1 or thermocouple 2 S3 or thermocouple 3 S2 Control Output 4 dc 5 dc 6 common COM Alarm Output electromechanical relay 7 alarm normally open NO 8 alarm common COM Power 9 L2 24V ac dc 10 L1 24V ac dc Watlow MicroDIN 3 5 Input Wiring Figure 3 6a MicroDIN Isolation Diagram Power Supply Safety Isolation UL CE 500V Noise Isolation Outputs Comms Control Output J 2 e pa a k g gt Figure 3 6b Control Input Thermocouple A o E AY AA BRR Figure 3 6c Control Input 2 wire RTD 1234567 8 910 3 6 Watlow MicroDIN Output and Power Wiring NOTE The current limit feature is disabled in this version of the controller A WARNING To avoid potential electric shock use National Electric Code NEC safety practices when wiring and connecting this unit to a power source and to electrical sensors
41. atically when the alarm condition has passed Alarm Latching Mode Alarm Output Group allows you to view or change whether an alarm will latch The alarm state begins when the temperature reaches the alarm high set point Alarm High a Point Normal Operating Range 3 The alarm state continues until the 5 temperature drops to the alarm high Process set point minus the hysteresis A Temperature latching alarm could be turned off by the operator at this point A non latching alarm woutd turn off automatically Ly Alarm Low Set Point Time 4 12 Watlow MicroDIN Alarm Silencing Alarm silencing has two uses 1 It is often used to allow a system to warm up after it has been started up With alarm silencing on an alarm is not triggered when the process temperature is initially lower that the alarm low set point The process temperature has to enter the normal operating range beyond the hysteresis zone in order to activate the alarm function 2 Alarm silencing also allows the operator to disable the alarm output while the controller is in an alarm state The process temperature has to enter the normal operating range beyond the hysteresis zone in order to activate the alarm function Alarm Silencing Mode Alarm Output Group allows you to view or change whether alarm silencing is on Alarm High fo Point Process a Temperature Normal Operating Range 5 Alarm gt enabled a here cS Startup Alarm
42. atus indicator e Alarm with separate high and low set points e Hysteresis 1 to 9999 switching differential Operator Interface Sensor Input e El A 485 serial communications with Modbus RTU protocol e 9600 19200 user selectable baud rates e 1 to 63 user selectable address range e Sensor input sampling rate 10 samples second 10Hz e Thermocouple grounded or ungrounded sensors e RTD 2 or 3 wire platinum LOQQ O0 C calibration to 1S curve 0 003916Q Q C or DIN curve 0 003850 0 C bumpless transfer to manual operation F or C user selectable Sensor Ranges Accuracy Ranges Operating Ranges B t c 1598 to 3092 F 870 to 1700 C 32 to 3300 F O to C W5 t c 32 to 4200 F O to 2315 C 32 to 4200 F O to D W3 t c 32 to 4200 F O to 2315 C 32 to 4200 F O to E t c 328 to 1472 F 200 to 800 C 328 to 14 0 F 200 to J t c 32 to 1382 F O to 750 C 32 to 1500 F O to K t c 328 to 2282 F 200 to 1250 C 328 to 2500 F 200 to N t c 32 to 2282 F O to 1250 C 32 to 2372 F O to PT2 t c 32 to 2540 F O to 1393 C 32 to 2543 F O to R t c 32 to 2642 F O to 1450 C 32 to 3200 F O to S t c 32 to 2642 F O to 1450 C 32 to 3200 F O to T t c 328 to 662 F 200 to 350 C 328 to 750 F 200 to 1 0 RTD DIN 328 to 1202 F 200 to 650 C 328 to 1472 F 200 to 0 1 RTD J IS 199 9 to 999 9 F 143 to 636 C 328 to 1166 F 200 to 199 9 to 999 9 except for thermocouple types B R and S Sensor break p
43. bus active e See software document e Check sensor connections e See p 3 5 3 6 3 7 e Check sensor connections and sensor wiring e Seep 3 5 3 6 3 7 e Change the Sensor Type parameter Input Group to match the sensor hardware e Seep 5 5 e Measure power upstream for required level e See p 3 7 3 10 3 11 A 14 e Verify that the temperature surrounding unit is 32 to 149 F 0 to 65 C e See p A 14 e Check sensor function The Open Loop Detect parameter Error Group indicates it may be broken e See p 5 22 e Check the Calibration Offset parameter Input Group value set it to a lower level e See p 5 6 e Send the alarming MicroDIN unit a clear alarm signal Modbus 331 e See p 5 17 Note The condition causing the alarm must also be resolved for the alarm to clear e See p 5 18 5 19 e To clear the alarm correct the alarm condition check to see if the alarm is latched Seep 5 18 e Check the alarm sides setting e See p 5 20 e Check the alarm type setting e See p 5 19 e Check the alarm logic for compatibility with system peripherals and annunciators e See p 5 21 e Check the power limit setting e Seep 5 9 e Check the operation mode e See p 5 18 e Check the alarm output function e See p 5 19 e Check F C setting e Seep 5 3 e Check the calibration offset value set it to a lower level e Seep 5 6 N O EA o a e Return unit to factory e See back cover e Cycle power to unit e Seep 3
44. cesses and equipment See Disable Non volatile Memory System Group System Group Monitor Ambient CJ C Temperature nesses 5 2 Use Non volatile Memory ccccocccccoccnccnccnnonnconos 52 Setup UNIS TYDE asia 5 3 COE ida a3 Decimal POIMt cccecceccceceeeeeeeeeeeeeeeeeaeeneees 5 3 System Group Monitor System Error e See Error Group Ambient CJC Temperature e Read the ambient temperature in 0 1 degrees Fahrenheit e Read only e Modbus 1500 Range 0 0 to 180 0 F Default none Active always System Group Use Non volatile Memory e Disable storage of parameters to non volatile EEPROM memory This allows you to change parameters frequently without wearing out the memory e Read write e Modbus 24 Range 0 store parameters when they are changed 1 do not store parameters when they are changed Default O always reverts to O when the controller s power is turned off and on Active always Affects all parameters will not save any parameters when set to 1 5 2 Watlow MicroDIN S Read Only Read Write Turn On Off System Group Setup Units Type e Select US or SI units of measurement e Read write e Modbus 900 Range 0 US reciprocate integral term 1 SI reciprocate integral term Default 0 US Active always Affects Propband Integral and Reset PID Group converts Reset and Integral changes span to degrees or vice versa Cor F e Select t
45. communications cable RJ 11 4 conductor 0219 0218 0000 straight through MicroDIN Oe OS cable RJ 11 4 conductor 0219 0217 0000 Accessories ight through 2s 10 pin removable connector with screw terminals 0836 0445 0000 Communications converter El A 232 to El A 485 0830 0473 0000 L Power Supply 120V Vac input 24V Vdc output 0830 0474 0000 2 Watlow MicroDIN A 15 gt Ke O 4 a gt lt Index 10 pin connector 3 5 A accuracy A 14 affects table 2 8 Alarm Active Sides 5 20 Alarm Condition 5 17 Alarm High 5 19 Alarm Hysteresis 4 11 5 20 alarm latching 4 12 Alarm Latching Mode 5 20 5 21 Alarm Logic 5 21 Alarm Low 5 18 5 19 alarm output A 14 Alarm Output Function 5 19 Alarm Output Group 5 17 5 21 Alarm Output Hardware 5 17 5 18 alarms 4 11 4 13 alarm set points 4 11 alarm silencing 4 13 Alarm Silencing Mode 5 21 Alarm Type 5 19 5 20 Ambient Temperature 5 2 Analog to digital Counts 5 27 5 28 Appendix A 1 A 19 auto tune 4 2 Auto tune Set Point 5 13 baud rates 2 7 Bumpless Transfer 4 15 C Calibration Commands 5 30 Calibration Group 5 30 5 31 Calibration Mode 5 30 Calibration Procedures 6 6 Calibration Offset 4 4 5 6 Characteristics Group 5 25 5 26 CJC Counts 5 27 Clear Alarm 5 18 Clear Error 5 23 communications 2 2 communications interface 2 5 communications wiring 3 8 3 10 control methods 4 7 4 10 control mode A 13 Control Output
46. cts 4 11 Proportional plus Integral Control sssssscssssssssseeesssseseee 4 9 Alarm Set POIS srce tees seaetian ce horeteececaeeten das 4 11 PID Control cencuccannacnononrnnnnnrnnenrenrorennnrrnnnrnnnnrrnnrrrenrrrrenrernnss 4 10 Alarm Hysteresis cists csctxasschccstssnecescnecsarseopiinanbetesansisiaivesttens 4 11 Alarm Settings cocaina 4 11 Process or Deviation Alarms cccccsecescssscssescseseseseseseeseseseseeee 4 12 Alarm Latching cmnccconccnnncnnnncnnnconnncnoncnnrncnnncnnrrnnrrrnnrrnnrrenarnnos 4 12 MI arce cst nna ehi 4 12 Alarm Silencing cssssssssssecssssstssseeeessssenseseeeesnnnnnseeeeeennnnnssses 4 13 Alain ES Ea e le aissamen 4 13 Error INFOrmation sssecssecsesseeesees eens 4 14 EITOFS ooo csccsccscssesscsscsecsseseessessescestsstsstsetsstsssssssessssstsstsensaseetanen 4 14 Calibrating diagrams cocos 6 6 iv Watlow MicroDIN 2 Z gt O Chapter One Overview NO Introduction to the MicroDIN Controller 1 SIUD OLODO soleada ias mcicsai s indicator LIGNIS casarnos mob h gt kes Watlow MicroDIN 1 1 O lt 2 lt D Introduction to the MicroDIN Controller Figure 1 2 MicroDIN inputs and outputs in a thermal system The Watlow MicroDIN controller is a DIN rail mounted temperature controller It uses one input and two outputs network connections and dozens of parameters to satisfy a broad variety of control needs The single input can use either a thermocouple o
47. d Resistance e Reads the measured RTD lead resistance in 0 01 ohms e Read only e Modbus 1503 Range 0 00 to 99 99 Default none Active always Proportional Term e Monitor the proportional term See Chapter 4 for information about PID control e Read only e Modbus 205 Range 100 0 to 100 0 Default none Active always Integral Term e Monitor the integral term See Chapter 4 for information about PID control e Read only e Modbus 206 Range heat 0 0 to 100 0 cool 100 0 to 0 0 Default none Active always oO tab __ 5 tab 92 e 112 MN 5 28 Watlow MicroDIN S Read Only Read Write Turn On Off Derivative Term e Monitor the derivative term See Chapter 4 for information about PID control e Read only e Modbus 207 Range 100 0 to 100 0 Default none Active always Enter Diagnostics Mode Set e Enter the diagnostics mode to test indicator lights and outputs and to enter the calibration mode e Read write e Modbus 1512 Range O to 1788 and 1790 to 9999 exit the diagnostics mode 1789 enter the diagnostics mode Default 0 Active always Test Displays e Test the indicator lights on the front panel e Read write e Modbus 1513 2 Range E O turn off all indicator lights 1 turn on the cyclic display test Default A 0 Active if the controller is in the diagnostics mode Test Outputs e Test both outputs e Read write e Modbu
48. e A CAUTION Details of a Caution appear here in the narrow margin on the out side of each page N WARNING Details of a Warning appear here in the narrow margin on the out side of each page Safety Information We use note caution and warning symbols throughout this book to draw your attention to important operational and safety information A bold text NOTE marks a short message in the margin to alert you to an important detail A bold text CAUTION safety alert appears with information that is impor tant for protecting your equipment and performance Be especially careful to read and follow all cautions that apply to your application A bold text WARNING safety alert appears with information that is impor tant for protecting you others and equipment from damage Pay very close attention to all warnings that apply to your application The safety alert symbol A an exclamation point in a triangle precedes a general CAUTION or WARNING statement The electrical hazard symbol A a lightning bolt in a triangle precedes an electric shock hazard CAUTION or WARNING safety statement Technical Assistance If you encounter a problem with your Watlow controller see the Trouble shooting Table on page 6 5 first review all of your configuration information to verify that your selections are consistent with your application inputs out puts alarms limits etc If the problem persists
49. ed by adding an hysteresis value to the alarm low set point or subtracting the hysteresis value from the alarm high set point Once an alarm has occurred it will not clear until the process value is above the alarm low setting or below the alarm high settings by a margin equal tothe hysteresis Example An alarm starts when the process value reaches the alarm high setting The alarm will not clear until it is below the high setting by an amount equal to or greater than the alarm hysteresis The alarm hysteresis value can be viewed or changed with Alarm Hysteresis Alarm Output Group Watlow MicroDIN 4 11 Process or Deviation Alarms A process alarm uses one or two fixed set points to define an alarm condition A deviation alarm uses one or two set points that are defined relative to the control set point High and low alarm set points are calculated by adding and or subtracting offset values from the control set point If the set point changes the alarm set points automatically change with it Alarm Type Alarm Output Group allows you to view or change whether the alarm will function as a process or deviation alarm The alarm deviation value can be viewed or changed with Alarm High and Alarm Low Alarm Output Group Alarm Latching Figure 4 12 Alarm Latching A latched alarm will remain active after the alarm condition has passed It can only be deactivated by the user An alarm that is not latched will deactivate autom
50. ees 5 26 Software ID NUMbEr ceceeececeeeeeeeeeeeeeeees 5 26 Software REVISION ccceeccecceeeeeeeeeeeeeeeeeeenees 5 26 Date Of Manufacture e Read the manufacture date as week year WWYY e Read only e Modbus 005 Range 0596 9999 5th week of 1996 to 52nd week of 1999 Default none Active always Ship Date e Read the ship date as week year WWYY e Read only e Modbus 006 Range 0596 9999 5th week of 1996 to 52nd week of 1999 Default none Active always Serial Number 1 e Read the first four digits of the serial number e Read only e Modbus 001 Range 0 9999 Default 0 Active always N Tem D dl D ES a gt Read Only Read Write Turn On Off Watlow MicroDIN 5 25 Serial Number 2 e Read the last four digits of the serial number e Read only e Modbus 002 Range 0 9999 Default 0 Active always Software ID Number e Read the software ID number e Read only e Modbus 003 Range O to 9999 Default none Active always Software Revision e Read software revision number e Read only e Modbus 004 Range 0 00 to 99 99 Default none Active always U o b 5 pa 3 192 e O wm 5 26 Watlow MicroDIN S Read Only Read Write Turn On Off A CAUTION Avoid writing continuously to EEPROM memory Continuous writes may result in premature control failure system downtime and damage to processes and
51. elt EN 61000 4 2 1995 Elektrostatische Entladung EN 61000 4 4 1995 Elektrische schnelle St Be ENV 50140 1994 Strahlungsimmunitat ENV 50141 1994 Leitungsimmunitat ENV 50204 1995 Mobiltelefon EN 50081 2 1994 EMC Rahmennorm fur Emissionen Teil 2 Industrielle Umwelt EN 55011 1991 Beschrankungen und Methoden der Messung von Funkst rungsmerkmalen industrieller wissenschaftlicher und medizinischer Hochfrequenzger te Klasse A 72 23 EEC EWG Niederspannungsrichtlinie 1993 Sicherheitsrichtlinien fur Elektrogerate zur Messung zur Steuerung und im Labor Teil 1 Allgemeine Richtlinien Deutsch Klassifikation EN 61010 1 Declara que el producto siguiente Designaci n Serie MicroDIN N meros de modelo UD 1 A 1CES Cualquier combinaci n de cuatro n meros y letras Control categoria de instalaci n II grado de contaminaci n ambiental II 24 a 28V Vca Vcc 50 60 Hz Espa ol Clasificaci n Tensi n nominal Frecuencia nominal Consumo nominal de energ a 5 VA m ximo Cumple con los requisitos esenciales de las siguientes directivas de la Uni n Europea usando las secciones pertinentes de las reglas normalizadas y los documentos relacionados que se muestran 89 336 EEC Directiva de compatibilidad electromagn tica EN 50082 2 1995 Norma de inmunidad gen rica del EMC parte 2 Ambiente industrial EN 61000 4 2 1995 Descarga electrost tica EN 61000 4 4 1995 Perturbaciones transitorias el
52. em wiring example schematic A WARNING Install high or low temperature limit control protection in systems where an over temperature fault condition could present a fire hazard or other hazard Failure to install temperature limit control protection where a potential hazard exists could result in damage to equipment and property and injury to personnel L1 L2 Earth Ground 20A lt Circuit Fuse High Limit Mechanical Watlow Pentecion O ray High temp light MicroDIN 0830 0474 0000 cf Power Supply Temperature Controller UD1A CES 0000 DIN a mite 12345678910 DA1C 1624 C000 LL OOOOOOOOOO T1 e Thermocouples ModBus Converter EIA485 to RS232 Converter EIA485 000000000 123456789 Optional Normally Open Momentary Switch Loop A A it a J 3 10 Watlow MicroDIN A WARNING To avoid potential electric shock use National Electric Code NEC safety practices when wiring and connecting this unit to a power source and to electrical sensors or peripheral devices Failure to do so could result in injury or death Figure 3 11 System wiring example ladder diagram A WARNING Install high or low temperature limit control protection in systems where an over temperature fault condition could present a fire hazard or other hazard Failure to install temperature limit control protection where a potential hazard exists could result in damage to equi
53. emperature Controller 1A Single channel low voltage with no operator I t interface and El A 485 npu Modbus RTU Serial 1 TypeB C D E J K N PT2 R S T 1 RTD O Communications 1 RTD J IS and DIN Control Output C Switched DC logic signal isolated Alarm Output E 1Electromechanical relay Form A 1A W O contact suppression Communications S EIA TIA 485 Communications opto isolated Modbus RTU protocol Electromechanical relays are warranted for 100 000 Software closures only 00 Standard XX Custom software or setup parameters Custom Options 00 None AA No Watlow logo on front bezel AB French nomenclature on front bezel AC German nomenclature on front bezel AD Spanish nomenclature on front bezel XX Custom bezel or label Configurator software and manual Provides operator interface using EIA TIA 485 WLNK MDBS 0000 Modbus RTU Serial Communications MicroDIN User s Manual paper version 8 5 x 11 WOUD XUMN 5 hole 104 pages MicroDIN User s Manual Adobe Acrobat WOUD XUMN DISK version on 3 5 diskette Windows MicroDIN Starter Kit includes configurator UDIA STRT MRTU software and manual power supply and communications cable RJ 11 to 4 pigtail leads MicroDIN Developers Kit includes MicroDIN UDIA DEVK MRTU Controller MicroDIN Starter Kit El A 232 to El A 485 converter module DI N a mite power controller with test load and DIN rail for convenient mounting 6 inch
54. en when the relay coil is energized They close when power is removed from the coil form C A sinole pole double throw relay that uses the normally open NO normally closed NC and common contacts The operator can choose to wire for A 8 Watlow MicroDIN a formA or form B contact hysteresis A change in the process variable required to re energize the control or alarm output Sometimes called switching differential integral Control action that automatically eliminates offset or droop between set point and actual process temperature See auto reset integral control 1 A form of temperature control The of PID See integral isolation Electrical separation of sensor from high voltage circuitry Allows use of grounded or ungrounded sensing element J IS See oint Industrial Standards junction cold Connection point between thermocouple metals and the electronic instrument See junction reference junction reference The junction in a thermocouple circuit held at a stable known temperature cold junction Standard reference temperature is 32 F 0 C Modbus A digital communications protocol owned by AEG Schneider Automation for industrial computer networks Modbus RTU Remote Terminal Unit an individual Modbus capable device on a network NEMA 4X A NEMA specification for determining resistance to moisture infiltration This rating certifies the controller as
55. equipment See Disable Non volatile Memory System Group Diagnostics Group Model NUMDE ccccccccesseseeeeeeeeeeeeeeeeeeeeaeees 52l Ambient CJ C A to D Counts ssis 5 27 Input A to D COUNES ssesssessesreerrrerreerrreree 5 27 RTD Lead Compensation A to D Counts 5 28 RTD Lead Resistance oo ceecececeeeeeeeeeeeeeneees 5 28 Proportional Teri cccccsscesssseeessseeeseeeeees 5 28 Integral TerM araura 5 28 Derivative Term ccccccccccceseeeeeeeeeseeeeeeeeeeneees 5 29 Enter Diagnostics Moqe oocccconcccccnccncnnnoos 5 29 Test DisplayS cccooccccconcononanononnarononaronenanonos 5 29 Test Outputs rosca abra 5 29 Model Number e Read the model number of the controller e Read only e Modbus 000 Range 8568 ASCII uD Default none Active always Ambient CJC A to D Counts e Read the raw ambient channel analog to digital signal counts e Read only e Modbus 1501 Range O to 65535 Default none Active always Input A to D Counts e Read the raw input analog to digital converter counts e Read only e Modbus 1504 Range O to 65535 Default none Active always D Read Only Read Write Turn On Off Watlow MicroDIN 5 27 N Them D dl D ES oa RTD Lead Compensation Analog to Digital Counts e Reads the raw RTD lead compensation analog to digital converter counts e Read only e Modbus 1502 Range O to 65535 Default none Active always RTD Lea
56. er 03 illegal data Loop Back MicroDIN supports a Modbus write command 08 loop back to echo a message Compatible Software You will need compatible software to interact with a MicroDIN controller One such program is included with the MicroDIN Startup Kit If you are accustomed to using a Modbus see the Appendix for information to help write your own Modbus software application Watlow MicroDIN 2 5 O O O 3 Modbus Register Numbers Absolute Relative Parameters Address 40001 0 40002 1 40003 2 40004 3 40005 4 40006 5 40007 6 40017 16 40018 17 40025 24 40101 100 40102 101 40104 103 40107 106 40201 200 40205 204 40206 205 40207 206 40208 207 40210 209 40211 210 40301 300 40302 301 40305 304 40306 305 40311 310 40312 311 40322 321 40323 322 40332 331 40333 332 40501 500 40502 501 40503 502 40504 503 40505 504 40507 506 40508 507 40601 600 Model Number Diagnostics Serial Number Characteristics Serial Number 2 Characteristics Software ID number Characteristics Software Revision Characteristics Date of Manufacture Characteristics Ship Date Characteristics Control Output Hardware Control Output Alarm Output Hardware Alarm Disable Non volatile Memory System Input Actual Input Input Error Input Output Power Control Output Alarm Condition Alarm Output Operation Mode Operation PID Output Power PID Proportional Term PI
57. er Time Constant 4 5 5 7 Fixed Manual Output 5 10 H High Side Power 5 9 Initiate Auto tune 5 17 Input Actual 5 4 Input Counts 5 27 Input Error 5 4 5 23 5 24 Input Error action 5 7 5 22 5 23 Input Group 5 4 5 7 Input Type 5 5 Integral 5 14 L Low Side Power 5 9 5 10 Manual Output Power 5 12 Model Number 5 27 N Non volatile Memory 5 2 O Open Loop Detect 4 14 5 22 Open Loop Error 5 22 Operation Mode 5 11 Output Hysteresis 5 16 Output Power 5 13 P PID Group 5 13 5 16 PID Output Power 5 13 Power Limit Set Point 5 9 Propband 5 14 R Range High 4 6 5 6 Range Low 4 6 5 6 Rate 5 15 Reset 5 15 Restore Factory Calibration 5 30 9 91 Restore Factory Defaults 5 31 RTD Lead Compensation 5 28 RTD Lead Resistance 5 28 S Sensor Type 5 5 Serial Number 1 5 25 Serial Number 2 5 2 Set Point 5 12 Ship Date 5 25 Shutdown 6 3 SI System International Units of Measure 5 3 Silence Alarm 5 18 Software ID Number 5 26 Software Revision 5 26 System Error 5 2 5 23 System Group 5 2 5 3 y Test Displays 5 29 Test Outputs 5 29 U US Units of Measure 5 3 User Operation Mode 5 11 A 18 Watlow MicroDIN Required Parameters Setup Order also found on page 2 8 This table provides 1 the correct order of entry 2 the affect of a parameter and 3 a place to document your settings Changing this es j Key S i D Changing will change
58. er to determine an effective set of parameters for PID control To do this it crosses an auto tune set point five times then controls at the normal set point using the new parameters Use Auto tune Set Point PID Group to select the temporary set point as a percentage of the normal set point that the controller will tune to Initiate or cancel the auto tune process with Auto tune PID Group The default value is 90 Process Set Point Auto tune initiated by user Auto tune complete Auto tune Set Point default 90 of process set point Temperature Time 4 2 Watlow MicroDIN Power Limit A high side power limit and low side power limit set the maximum output power within two ranges A low side power limit limits the output to a percentage of the maximum output power while the process temperature or value is below the power limit set point The high side power limit limits the output to a percentage of the maximum output power while the process temperature or value is above the power limit set point The low side power limit can be viewed or changed with Low Side Power Limit Control Output Group The high side power limit can be viewed or changed with High Side Power Limit Control Output Group The power limit set point can be viewed or changed with Power Limit Set Point Control Output Group The actual output power can be viewed with Output Power Control Output Power Group Process temperature R
59. ergie rayonn e ENV 50141 1994 Insensibilit a l nergie par conduction ENV 50204 1995 T l phone cellulaire EN 50081 2 1994 Norme g n rique sur les emissions lectromagn tiques Partie 2 Environnement industriel EN 55011 1991 Limites et m thodes de mesure des caract ristiques d interf rences du mat riel radiofr quence industriel scientifique et m dical Classe A 73 23 EEC Directive li e aux basses tensions 1993 Exigences de s curit pour le mat riel lectrique de mesure de commande et de laboratoire Partie 1 Exigences g n rales EN 61010 1 WOUD XCEM 0000 Rev A01 CE 97 Erkl rt da das folgende Produkt Deutsch Beschreibung Serie MicroDIN Modellnummer n UD 1A 1 CES 4 beliebige Zahlen oder Buchstaben Regelsystem Installationskategorie ll Emissionsgrad Il Nennspannung 24 bis 28 V ac dc Nennfrequenz 50 60 Hz Nominaler Stromverbrauch Max 5 VA Erf llt die wichtigsten Normen der folgenden Anweisung en der Europ ischen Union unter Verwendung des wichtigsten Abschnitts bzw der wichtigsten Abschnitte der normalisierten Spezifikationen und der untenstehenden einschlagigen Dokumente 89 336 EEC EWG Elektromagnetische Vertraglichkeit EN 50082 2 1995 EMC Rahmennorm fur Storsicherheit Teil 2 Industrielle Umwelt EN 61000 4 2 1995 Elektrostatische Entladung EN 61000 4 4 1995 Elektrische schnelle St Be ENV 50140 1994 Strahlungsimmunitat ENV 50141 1994 Leitungsimm
60. gister 1603 value 7 to store 380 000 Disconnect the decade box and connect the current source to Terminals 2 and 8 Enter 4 00mA from the current source to the MicroDIN Allow at least 10 seconds to stabilize e Send value 10 to register 1603 to store 4mA input Rewire for operation and verify calibration 6 6 Watlow MicroDIN Appendix Modbus RTU caserio cla A 2 GIOSSA Y ara A 8 Declaration of Conformity sessen A 12 Specifications srta A 13 Ordering Information ccccccconcnccnonoos A 15 o e E E A 16 Parameter Index ccccccoonccccccnccnnconacconcnnnos A 18 Required Parameter Setup Order A 19 Warranty Information Back Cover eas cS D o o lt Watlow MicroDIN A 1 gt Ke gej 4 pa gt lt Modbus Remote Terminal Unit RTU Modbus RTU enables a computer or PLC to read and write directly to registers containing the controller s parameters With it you could read all 141 of the controller s parameters with five read commands Because of the wide array of choices available for setting up a MicroDIN controller only a subset of the prompts contain parameters in a given situation This manual explains the interrelations between prompts A Modbus read command response of 32000 indicates that a register is not implemented 32001 register not active or 32002 not read accessible A write command will return an exception response of
61. he temperature scale for the input e Read write e Modbus 901 Range 0 F Fahrenheit 1 C Celsius Default 0 F Active always Decimal Point e Sets the position of the decimal point for input readinos e Read write e Modbus 606 Range 0 decimal 0000 for thermocouple and RTD 1 decimal 000 0 for for thermocouple and RTD Default 0 N D ed D p a Active if Sensor Type Input Group is set to RTD or thermocouple S Read Only Read Write Turn On Off Watlow MicroDIN 5 3 Input Group Monitor Input Actual ccccocccconnconcnnncnnonarononanononanooos 5 4 INDUL ETO auto a entice 5 4 Setup Sensor Type sasssssesssessssrrrenrrrserrrsnrrrerrrsernrne Ee a MOU TYDE sinsin rari 5 5 Range LOW ssssssessessssnssnnsrnerroeronreereerrerrennne 5 6 Range HION einer 5 6 Calibration Offset assesseer 5 6 Filter Time Constant assassin 5 7 Input Error ACtiOn ccocccccnccnccnncononanononanonos 5 7 A Input Group Monitor CAUTION Avoid writing continuously to Input Actual EEPROM memory e Monitor the input value Continuous writes e During an input error state this will read 9999 if Read Control may result in Output Control Output Group is set to heat or 1999 if it is set to premature control cool failure system e Read only downtime and e Modbus 100 damage to Range processes and input type range equipment Default See Disable Non l E adi volatile Memory Active System Gr
62. hooting errors 6 4 6 5 U US Units of Measure 5 3 User Operation Mode 5 11 W warranty information back cover WatLink 2 9 wiring 3 2 3 10 write to a single register A 4 write to multiple registers A 4 A 5 writing a modbus application A 2 Watlow MicroDIN A 17 eas cS D o o lt gt Ke O gP a gt lt Parameter Index alphabetical order A Alarm Active Sides 5 20 Alarm Condition 5 17 Alarm High 5 19 Alarm Hysteresis 4 11 5 20 Alarm Latching Mode 5 20 5 21 Alarm Logic 5 21 Alarm Low 6 21 5 18 5 19 Alarm Output Function 5 19 Alarm Output Group 5 17 5 21 Alarm Output Hardware 5 17 5 18 Alarm Silencing Mode 5 21 Alarm Type 5 19 5 20 Ambient Temperature 5 2 Analog to digital Counts 5 27 9 28 Auto tune Set Point 5 13 C Calibration Commands 5 30 Calibration Group 5 30 5 31 Calibration Mode 5 30 Calibration Offset 4 4 5 6 Characteristics Group 5 25 5 26 CJC Counts 5 27 Clear Alarm 5 18 Clear Error 5 23 Control Output Function 5 8 5 9 Control Output Group 5 8 5 10 Control Output Hardware 5 8 CorF 53 Cycle Time 5 15 5 16 D Date of Manufacture 5 25 Decimal Point 5 3 Derivative 5 15 Diagnostics Group 5 27 5 29 Diagnostics Mode 5 29 Disable Non volatile Memory 5 2 E Enter Calibration Mode 5 30 Enter Diagnostics Mode 5 29 Error Clearing Mode 5 24 Error Group 5 22 5 24 F Factory Calibration 5 30 5 31 Filt
63. ia A 18 caen WINO siii eds T Required Parameters Setup Order A19 Set DIP Lower Asaltan e Warranty Information sssssssssstsesestsesestserestserererererererere Back Cover MOUTON DIN Ralor TaDS csccionaacosresnionpdret 3 2 Figures by page Wire Unit 1 O rene 32 MicroDIN Inputs and Outputs ossessi Figure 1 2 installation ACCOSSON ES cunas 3 2 MicroDIN Indicator Lights c sccsscessscssessseeessessseessseeseeseseeen 13 Mount the MicroDIN seas 3 3 MicroDIN Top View with DIP Switches scccsesscccseeceecseeeeees D Mount the MicroDIN on a DIN Rail octets 3 4 Figure Description sesser 2 1 MicroDIN RJ 11 and 10 Pin Connectors ssssscsssrscee 3 5 Figure Description c sccsscssessssessscessessseessesseesssessseesseesneeseeeen a7 Input Wiring NS 3 6 Mounting a MicroDIN Controller c sscccsssssssesssessseessesseeseseen 32 Output and Power Wiring wmmmmrroommrrrmemrrrnres 3 7 Mounting on a DIN rail n s 3 3a Communications Wiring a cmmmmnrrorrermnrmrnrm 3 8 Dismounting off a DIN rail ono 3 3b Convertor To MicroDIN Wiring Example oo eee 3 8 Bottom view of case with pin assignments cnn 3 4 Special ElA 485 Considerations 0 0 ceseseesesse senses 3 9 Control Input Thermocouple cocinas 3 5a Wiring AMES atlas ad 3 10 Control Input 2 and 3 wire RTD ssn 3 5b Wining EXAM PIES rie e 3 11 Control INDUt sssr 3 6a Chapter 4 Features oo ccccccscsscssscsesssstsssssstssstssesesstsstseeesess 4
64. iable Also known as rate See PID derivative control D The last term in the PID control algorithm Action that anticipates the rate of change of the process and compensates to minimize overshoot and undershoot Derivative control is an instantaneous change of the control output in the same direction as the proportional error This is caused by a change In the process variable PV that decreases over the time of the derivative TD The TD is in units of seconds Deutsche Industrial Norm DIN A set of technical scientific and dimensional standards developed in Germany Many DIN standards have worldwide recognition DIN See Deutsche Industrial Norm droop In proportional controllers the difference between set point and actual value after the system stabilizes duty cycle The percentage of a cycle time in which the output is on external transmitter power supply A dc voltage source that powers external devices filter digital DF A filter that slows the response of a system when inputs change unrealistically or too fast Equivalent to a standard resistor capacitor RC filter form A A single pole single throw relay that uses only the normally open NO and common contacts These contacts close when the relay coil is energized They open when power is removed from the coil form B A single pole single throw relay that uses only the normally closed NC and common contacts These contacts op
65. ides Alarm Output Alarm Logic Alarm Output Units Type System C or F System Input Error Action Input Fixed Manual Output Control Output Activate Open Loop Detect Error Ambient CJ C Temperature System Ambient CJ C A to D Counts Diagnostics RTD Lead Compens A to D Counts Diag RTD Lead Resistance Diagnostics Input A to D Counts Diagnostics Enter Diagnostics Mode Diagnostics Test Displays Diagnostics Test Outputs Diagnostics Enter Calibration M ode Calibration Restore to Factory Calibration Calibration Reset Factory Defaults Calibration Calibration Commands Calibration 2 6 Watlow MicroDIN Set Address Baud Rate Configure the communications speed and network address of the MicroDIN controller with the eight bit DIP switch on the top panel Set the controller address with the first six switches Set an address between 1 and 63 The network will not work correctly if any two controllers have the same address DIP switch 1 sets the left most binary digit Switch 6 sets the right most digit Record the MicroDIN s address in erasable marker on the white space on the front of the unit The seventh switch has no effect Set the network speed 9 600 or 19 200 baud with the eighth switch N 2 5 O db Figure 2 7 MicroDIN top view with 9600 baud DIP switches and baud bit 8 on setti
66. ie 2 Environnement industriel EN 61000 4 2 1995 D charge lectrostatique EN 61000 4 4 1995 Courants lectriques transitoires rapides ENV 50140 1994 Insensibilit a l nergie rayonn e ENV 50141 1994 Insensibilit a l nergie par conduction ENV 50204 1995 T l phone cellulaire EN 50081 2 1994 Norme g n rique sur les missions lectromagn tiques Partie 2 Environnement industriel EN 55011 1991 Limites et m thodes de mesure des caract ristiques d interf rences du mat riel radiofr quence industriel scientifique et m dical Classe A 73 23 EEC Directive li e aux basses tensions EN 61010 1 1993 Exigences de s curit pour le mat riel lectrique de mesure de commande et de laboratoire Partie 1 Exigences g n rales A 12 Watlow MicroDIN Erkl rt daB das folgende Produkt Beschreibung Serie MicroDIN Modellnummer n UD 1A 1 CES 4 beliebige Zahlen oder Buchstaben Regelsystem Installationskategorie Il Emissionsgrad II Nennspannung 24 bis 28 V ac dc Nennfrequenz 50 60 Hz Nominaler Stromverbrauch Max 5 VA Erfullt die wichtigsten Normen der folgenden Anweisung en der Europ ischen Union unter Verwendung des wichtigsten Abschnitts bzw der wichtigsten Abschnitte der normalisierten Spezifikationen und der untenstehenden einschlagigen Dokumente 89 336 EEC EWG Elektromagnetische Vertraglichkeit EN 50082 2 1995 EMC Rahmennorm f r Storsicherheit Teil 2 Industrielle Umw
67. l EMC parte 2 Ambiente industrial EN 55011 1991 L mites y m todos de medici n de caracter sticas de perturbaciones de radio correspondientes a equipos de radiofrecuencia industriales cient ficos y m dicos Clase A 73 23 EEC Directiva de baja tensi n 1993 Requerimientos de seguridad para equipos el ctricos de medici n control y uso en laboratorios Parte 1 Requerimientos generales EN 61010 1 Erwin D Lowell Name of Authorized Representative Winona Minnesota USA Place of Issue February 1 1997 Date of Issue General Manager Title of Authorized Representative Signature of Authorized Representative 1043 Meet the MicroDIN Team We stand behind our product and are committed to your total satisfaction Pictured below are some of the people at Watlow who have worked hard to bring you one of the finest industrial temperature controllers available today Included in the photo are members of the development team production team and representatives from our core manufacturing and customer service areas Front Row Rob Hermann board assembly Gene Lauer product manager Keith Ness engineering team leader Steve Lubahn group leader Doug Wolfe technician Mark Hoven engineer 2nd Row Sitting behind Front Row Sally Kotschevar purchasing Lisa Voelker technician Carolyn Konkel wave inspection Mollee Smith PACE line John Pham product development engineer Randy Haack application engineer St
68. ller is in calibration mode 5 30 Watlow MicroDIN S Read Only Read Write Turn On Off Restore to Factory Calibration Set e Restore factory calibration values from the backup memory e Write e Modbus 1601 Range 0 no action 1 restore factory calibration Default O always reads 0 Active if the controller is in the calibration mode Reset Factory Defaults Set e Reset all parameters to factory values e Read write e Modbus 1602 Range O to 799 and 801 to 999 no action 800 reset parameters to factory values Default 0 Active if the controller is in calibration mode dp La feb ahd ab 99 pe fe Qa gt Read Only Read Write Turn On Off Watlow MicroDIN 5 31 Notes oO o 3 pa 3 192 e O e 5 32 Watlow MicroDIN 6 Chapter Six Operation and Calibration MicroDIN Startup coooocccccncccccncnoconcncnonns 6 2 MicroDIN Shutdown cceeceeseeeeeees 6 3 Troubleshooting Alarms and Errors 6 4 Calibrating the MicroDIN 6 6 N O Hs o a Watlow MicroDIN 6 1 O D La o P Oo gt N MicroDIN Startup Starting the Watlow MicroDIN for either one zone or several in any thermal system requires successful completion of this checklist e Units securely mounted see p 3 3 3 4 e Proper sensor placement see Watlow Application Guide e Correct i
69. nccncnnononnnnnnncnnnnos 5 14 Setup Auto tune Set Point ccccccseecceeeceseeeeeeeeeees 5 13 Proportional Band occcccoconccnccnccnacnncnnconos 5 14 Mama qee NAPO o5U7 OOCe APPPP neces 5 14 A e enna eoseiseentun lS Bie dG 6 eee eee ee ere 5 15 ETELE S E E E E E TT 5 15 CYCO LIME sorori iair on cd 5 15 Control Output Hysteresis ccccocccccnocccco 5 16 PID Group Monitor PID Output Power e Monitor the calculated PID power level See Chapter 4 for CAUTION information about PID control Avoid writing continuously to Read only EEPROM memory e Modbus 204 Continuous writes Range may result in heat 0 0 to 100 0 premature control cool 100 0 to 0 0 failure system Default downtime and none damage to Active 2 processes and always equipment S See Disable Non PID Group Use By volatile Memory System Group Auto tune Set Point e Set the auto tune set point as a percent of the currently active set point e Read write e Modbus 304 Range 50 to 150 Default 90 Active always S Read Only Read Write Turn On Off Watlow MicroDIN 5 13 Initiate Auto tune e Initiate or cancel an auto tune e Read write e Modbus 305 Range O off or cancel an auto tune in progress 1 initiate an auto tune Default O off Active if Operation Mode Operation Group is set to auto Affected by Changing Operation M ode Operation Group available when mode s set to auto PID Group Setup
70. nect to the computer oo Se ON If necessary wire the termination and pull up pull down resistors Communications Software WatLink E Watlow offers a Modbus fijas me me dia Help De package in WatLink E enpa aT Figure 2 9b software that will set up IC WatLink for MicroDIN ana FUN multiple F aa Do aaa is sample software screen ee oe ae ma p 485 network WatLink p a Windows 3 31 or m a ae Windows 95 application ae is available from any Watlow sales rep resentative or authorized erre distributor WatLink can handle up to 32 different MicroDIN units Other Software To communicate with MicroDIN you must use a Modbus RTU remote terminal unit compatible software package Sending ASCII commands via a standard serial communication application will not work Refer to the Appendix if you re writing your own Modbus RTU application Watlow MicroDIN 2 9 Notes 2 O O 2 10 Watlow MicroDIN Installation and Wiring 3 Chapter Three Installation and Wiring L Introduction Set DIPS First cccccceceeseesseseeseeeees 3 2 Mount on DIN Rail Tabs OZ Wire Unit W O seein A D Installation Accessories 3 2 E Mounting the MicroDIN sss 3 3 Mounting the MicroDIN on a DIN Rail 3 4 MicroDIN RJ 11 and 10 pin Connectors 3 5 PDO WINO aristas 3 6 Output and Power Wiring sses 3 7 Communications
71. ngs 19 2k baud bit 8 off Rael Table 2 7 Dec Binary Dec Binary Dec Binary Dec Binary Decimal to binary 1 000001 16 010000 32 100000 48 110000 conversion 2 000010 17 010001 33 100001 49 110001 3 000011 18 010010 34 100010 50 110010 4 000100 19 010011 35 100011 51 110011 5 000101 20 010100 36 100100 52 110100 6 000110 21 010101 37 100101 53 110101 7 000111 22 010110 38 100110 54 110110 8 001000 23 010111 39 100111 55 110111 9 001001 24 011000 40 101000 56 111000 10 001010 25 011001 41 101001 57 111001 11 001011 26 011010 42 101010 58 111010 12 001100 27 011011 43 101011 59 111011 13 001101 28 011100 44 101100 60 111100 14 001110 29 011101 45 101101 61 111101 15 001111 30 011110 46 101110 62 111110 31 011111 47 101111 63 111111 Watlow MicroDIN 2 7 O O O Note This table also appears inside the back cover p A 19 Required Parameters Setup Order This table provides 1 the correct order of entry 2 the effect of a parameter change and 3 a place to document settings Changing this P S e S D Changing will change the default Affects this 5 C Changing will convert the 4 g Lv temperature scale AN caution a Q ss QQ RS O Other effect see Ch 5 Parameters D S fs G6 LCL yw o gt See Parameter Index p A 18 for detail N LY 23 Y Oe snouc esel o e SAS 882 08 Document your settings below up in this order FS N ES 2 SS ss amp y g l 3 0 5 0 E 4 4 F 3 0
72. nput wiring see p 3 5 3 6 e Correct communications wiring see p 2 2 2 4 3 5 3 8 3 9 e Correct fusing installed see p 3 10 3 11 e Correct limit protection installed see p 3 10 3 11 e Correct power wiring see p 3 5 3 7 3 10 3 11 e PC communication El A 485 card or PC communications card to El A 485 converter with correct wiring see p 3 8 e Communications port correctly initialized see PC communications card document e MicroDIN Address set and recorded see p 2 7 e MicroDIN baud rate set see p 2 7 e MicroDI N compatible software see p 2 9 A 2 e MicroDIN correct order of parameter configuration see p 2 8 or A 19 chart e Record all system parameters see p 2 8 or A 19 chart 6 2 Watlow MicroDIN MicroDIN Shutdown Shutting down a Watlow MicroDI N controlled thermal system for an optimum restart requires attention to the following list e Updating all systems and controllers parameter records e Securing any system safety interlocks or peripherals e Protecting the system from unnecessary exposure to moisture or corrosive environments or dust e Anticipating the next startup and associated issues N O Hs o a Watlow MicroDIN 6 3 Troubleshooting Alarms and Errors mos likely problems are listed first LED Indication Symptoms o 0 Error off e No power Normal steady green o GY Error off Normal pulsing green lt 0
73. oconcccconacononanononancncnnaroconanoronanonos 5 19 Alarm Hysteresis 0occcooocccconocononarononanonenaninos 5 20 Alarm Active Sides ccccecscecceceeeseeseeeeeeeneees 5 20 Alarm Latching Mode cccocccccnnconcnnncnonononos 5 20 Alarm Silencing Mode ccoccccconcccccoccncnnanos eral Alarm RR o 5 21 Alarm Output Group Monitor Alarm Condition e Monitor the alarm state e Read only e Modbus 106 Range no alarm high alarm low alarm high latched alarm low latched alarm high silenced alarm low silenced alarm high latched silenced alarm low latched silenced alarm waiting for in range alarm 10 disabled alarm 11 error alarm Default none Active always OMDIHDUBWNFO D Read Only Read Write Turn On Off Watlow MicroDIN 5 17 dp La feb ahd ab 99 pe fe Qa Alarm Output Hardware e Read the alarm output hardware type e Read only e Modbus 17 Range 1 mechanical relay Default 1 Active always Alarm Output Group Use Clear Alarm e Alarm will clear if alarm condition is resolved e Read write e Modbus 331 Range 0 no action 1 try to clear a latched alarm Default O always reverts to O after a write Active if Alarm Latching Mode Alarm Output Group Is set to yes Silence Alarm e Silence the alarm manuall y e Read write e Modbus 332 Range 0 no action 1 silence alarm Default O always reverts to O after
74. oe Low Alarm triggered Set Point disabled here Time Figure 4 13 Alarm Silencing Watlow MicroDIN 4 13 Errors Panel Indicator Lights Figure 4 14 Error Information WATLOW MicroDIN Temperature Controller O Power Ey Comms Vr Y ORNE OS E 40 Address Error 4 Error 5 Error 6 Error 7 Error 11 Error 12 Error 13 Error 14 Error 15 Open Loop Detect Open loop detect can alert the user of trouble on the input or output side of the control loop An open loop error is triggered when 100 percent power is applied at the control output for a period of time equal to the setting of integral PID Group or when reset without the input registering a 5 F or C change Control Output O Error Information Unison Green Red Flashing Code ERROR 4 5 6 711 12131415 O 000o W W W E o i E E io O abv sty al e e o o e ys La Y Cue E e O e e O N o 0 0 0 O O O O O Error RAM malfunction return to factory EEPROM data corrupted PROM malfunction return to factory SPI failure onboard peripheral hardware not responding New software installed cycle power to correct Cal EEROM checksum calibration data corrupted recalibrate A to D hardware fail A to D hardware not responding return to factory EEROM hardware fail EEPROM peripheral not responding return to factory New unit displays on first power up return to factory If an
75. on and the controller is ok e f it isn t on or pulsates check your power source Control Output Green light is lit or flashes when the control output is energized e f it does not light up the output is not turning on Alarm Red Light is lit during an input alarm condition If it is lit e Correct alarm condition or change alarm configuration e Reset the alarm if it is latched WATLOW MicroDIN Temperature Controller Dd O Power Go Comms A Control 9 Output O Waren l O ites 2 Z T gt O Communications Green Light pulsates when the controller sends or receives valid data over its network port e f it does not light up check the controller address and the communications setup Input Error Red Light is lit if there is a sensor problem If it is lit e Verify the sensor wiring polarity and function e Rewire or replace as necessary Address Field Record the unit s address in erasable marker here Watlow MicroDIN 1 3 Notes O lt 2 D 1 4 Watlow MicroDIN Chapter Two Communications Setup 2 o 8 lt 3 E Communications Overview 2 EIA 485 Network cccceccsecceessueeeaees 22 Modbus Protocol ccccceeeeeeeees 2 2 Set Address Baud Rate ccccccseeees 2 2 Serial Data Format ccccccseeeeeees 2 2 WING TASKS secesie 2 2 Communications Software 2 2 ElA
76. oportional to the difference between the set point and the actual process temperature A 10 Watlow MicroDIN transmitter A device that transmits temperature data from either a thermocouple or a resistance temperature detector RTD by way of a two wire loop The loop has an external power supply The transmitter acts as a variable resistor with respect to its input signal Transmitters are desirable when long lead or extension wires produce unacceptable signal degradation WatLink A Watlow software application for configuring and communication with Watlow controllers via a El A 485 network and a Microsoft Windows compatible personal computer zero cross Action that provides output switching only at or near the zero voltage crossing points of the ac sine wave See burst fire zero switching See Zero cross la cS D o o lt Watlow MicroDIN A 11 Declaration of Conformity CE 97 Series MicroDIN WATLOW CONTROLS 1241 Bundy Boulevard Winona Minnesota 55987 USA Declares that the following product Designation Series MicroDIN Model Number s UD 1 A 1CES Any four numbers or letters Classification Control Installation Category II Polution Degree II Rated Voltage 24 to 28V ac dc Rated Frequency 50 60 Hz Rated Power Consumption 5VA maximum Meets the essential requirements of the following European Union Directive s using the relevant section s of the normalized standards and rela
77. oup always a Input Error wo e Monitor the input error status e Read only e Modbus 101 Range 0 no error 1 analog to digital signal under range 2 sensor under range 3 sensor over range 4 analog to digital over range Default none Active always 5 4 Watlow MicroDIN gt Read Only 2 Read Write Turn On Off Input Group Setup Sensor Type e Select the input sensor type e Read write e Modbus 600 Range 0 thermocouple 1 RTD Default 0 thermocouple Active always Affects Changes Input Type Input Group to for thermocouple DIN for RTD and defaults temperature related parameters Input Type e Set the linearization for the input sensor e Read write e Modbus 601 Range if Sensor Type Input Group set to thermocouple O 1 K 2 7 a E 4 N 5 C 6 D 7 PT2 8 R D 9 S 10 B if Sensor Type Input Group set to RTD o 11 RTD_DIN 12 RTD JIS Default if Sensor Type Input Group is changed to thermocouple J if Sensor Type Input Group is changed to RTD DIN Active always Affected by Changing Sensor Type sets to for thermocouple DIN for RTD and defaults temperature related parameters S Read Only Read Write Turn On Off Watlow MicroDIN 5 5 Range Low e Set the input range low This setting is the lowest value that the set point can have e Read write e Modbus 602 Range see Sensor Table in the Appendix for sensor ranges and default
78. ower Operation Group manual or manual due to error D Read Only Read Write Turn On Off Watlow MicroDIN 5 11 N D ed D p a U tab ba 5 tab 92 e 112 MN User Set Point e Change or monitor the control set point e Read write e Modbus 300 Range Range Low to Range High Input Group Default 75 F 24 C Active if Operation Mode Operation Group is set to auto Affected by Changing Sensor Type Input Group determines range of setting and default Changing Input Type Input Group determines range of setting and default Changing Range Low Input Group determines range of setting and default Changing Range High Input Group determines range of setting and default Changing C or F System Group determines range of setting and default Manual Output Power e Set the control output power manually e Read write e Modbus 310 Range 0 0 to 100 0 heat mode 100 0 to 0 0 cool mode Default 0 0 Active if Operation Mode Operation Group is set to manual or Switches to manual due to error Affected by Changing Operation Mode Operation Group to manual or manual due to error Changing Control Output Function Alarm Output Group determines range of setting 5 12 Watlow MicroDIN gt Read Only A Read Write Turn On Off PID Group Monitor PID Output POWE coccoccccnccccnccnconcnconcnconcncnns 5 13 Initiate AUTO CUNE cococcncccncn
79. pment and property and injury to personnel 120V ac 3 E 3 Power Supply G 2 S MicroDIN 4 JIOO OOOOOO M D UDIA 1CES 0000 8 9 Ll Loop PC ElA485 ElA485 1CR 1 O T ie i 10 11 Semiconductor Fuse DIN a mite DA1C 1624 C000 a Heater 13 10 11 92 Series Limit Control O USO OOo Optional Normally Open ane Momentary 6 ewe ee Watlow MicroDIN 3 11 feb 2 Lo lt q TS ad YN Notes ep e pa a k g gt 3 12 Watlow MicroDIN 4 Chapter Four Features The System o 4 2 POW CV IMC reas 4 3 Input Calibration Offset o e 4 4 Filter Time Constant seeen 4 5 Sensor Selection eerren 4 6 Range Low and Range High 4 6 Control Methods AAA p E i 4 7 Proportioned Control sesen 4 8 Proportioned plus Integral PI CONTON serae ae 4 9 Proportioned plus Integral plus Derivative PID Control 4 10 Alarms Alarm Set Points n e 4 11 Alarm Hysteresis iisen 4 11 Process or Deviation Alarms 4 12 ACI A 4 12 Alarm Silencing o occnccccccnocncnonnoss 4 13 Errors indicator LIGNIS ssaosarida noria 4 14 Open Loop Detect o o 4 14 Bumpless Transfer oooooccccccncconccoo 4 15 Watlow MicroDIN 4 1 The System Auto tune Figure 4 2 Auto tuning Auto tuning allows the controller to explore the responsiveness of the system in ord
80. r RTD sensor The single control output provides an open collector or switched dc output signal for a power switching device with a DC input The single alarm output is an electromechanical relay The network connections allow as many as 32 controllers to be configured and monitored from a single personal computer You can configure operate and monitor the MicroDIN almost entirely froma PLC or personal computer via a serial connection using RJ 11 jacks Indicator lights on the face of the controller monitor error states power communications activity and output activity p i Communications Input and putand Gutpui to and from Personal Computer d Ea WATLOW icro Temperature Controller Power a o 1 32 devices ElA 485 Network Per Unit e Sensor Input from the process e Control Output to the process e Alarm Output about the process 1 2 Watlow MicroDIN Setup Steps 1 Set up communications 2 Set the controller s address and baud speed with the DIP switches on the top panel see Chapter 2 Communications Setup The controller uses eight data bits with no parity 3 Mount the controller see Chapter 3 Wiring 4 Wire the controller see Chapter 3 Wiring 5 Communicate with MicroDIN via an El A 485 network with Modbus RTU protocol Indicator Lights Figure 1 3 MicroDIN indicator lights Power Green light stays lit when the power is
81. rameter is set much too high or low Alarms e Alarm output off e Alarm set points incorrect e Alarm silenced e Alarm sides incorrect e n diagnostics mode e Alarm latched e Alarm set points incorrect e Alarm hysteresis incorrect e nput in error condition Unit Errors e RAM malfunction e EEPROM data corrupted e PROM malfunction e Logic hardware problem e New firmware installed e Calibration data corrupted e Analog to digital hardware failure e EEPROM hardware problem e New unit first power up Corrective Action Reference e Check switches fuses breakers interlocks limits connectors e See Watlow Publication etc for energized condition and proper connection HCOR AG 76 Putting it All Together e Measure power upstream for required level e See p 3 7 3 10 3 11 A 14 e Check wire size e Check for bad connections e Check and reset unit DIP switches 1 6 to correct address e Seep 2 7 e Check and reset unit DIP switch 8 to correct baud rate e Seep 2 7 e Look for a break in the daisy chain e See p 3 8 e Verify correct connections and test wiring paths e Seep 3 8 e Check converter box wiring and its documentation e See p 3 8 e Reconfigure computer s COM port setup and verify communications ok e See COM port information e Check the communication card documentation for setable variables operational testing See COM baud information e Restart COMS software check for settings agreement Verify COM
82. registers to write high byte 0x00 number of registers to write low byte must be 0x01 number of data bytes must be 0x02 data high byte data low byte CRC low byte CRC high byte Packet returned by controller nn 10 nn nn 00 01 nnmn A A A A A A controller address one byte write to multiple registers command 0x10 starting register high byte starting register low byte number of registers to write high byte 0x00 number of registers to write low byte must be 0x01 CRC low byte CRC high byte Loop Back Command 0x08 This command simply echoes the message This serves as a quick way to check your wiring Packet sent to controller nn 08 nnnn nnmn i A A A A controller address one byte loop back command 0x08 data high byte data low byte CRC low byte CRC high byte la cS D o o lt Watlow MicroDIN A 5 gt Ke gej 4 pa gt lt Example Run loop back test on controller at address 40 0x28 Sent 28 08 55 66 77 88 31 B7 Received 28 08 55 66 77 88 31 B7 Exception Responses When a controller cannot process a command it returns an exception response and sets the high bit 0x80 of the command 0x01 illegal command 0x02 illegal data address 0x03 illegal data value Packet returned by controller nn nn
83. ror Group Use Clear Error e Try to clear a latched input error e Read write e Modbus 311 Range 0 no action 1 try to clear latched input error Default O always reverts after a write Active always S Read Only Read Write Turn On Off Watlow MicroDIN 5 23 Error Group Setup Input Error Action see also Input Group e Select how the controller responds to an input error e Read write e Modbus 902 Range 0 bumpless transfer control output power remains constant Chapter 4 1 switch to the Fixed Manual Output Control Output Group setting 2 shut off output Default 0 bumpless transfer Active always Error Clearing Mode e Set the error clearing mode When errors are latched the error message or indicator persists until it has been cleared manually Otherwise the error message or indicator clears automatically when the condition that caused it no longer exists e Read write e Modbus 607 Range 0 not latched errors clear automatically 1 latched errors must be cleared manually Default O errors clear automatically Active always oO tab ba 5 tab 92 e 112 MN gt Read Only A Read Write Turn On Off 5 24 Watlow MicroDIN Characteristics Group Date of Manufacture nmcoccnccnncnncnnncnnnnnnnanos 5 25 A A EA 5 25 Serial Number 1 oe ceececccecceeeeeeeeeeeeeeeeeeenees 5 25 Serial Number 2 cccecccccceceeeeeeeeeeeeeeeeseeen
84. rotection de energizes control output to protect system or selectable 1816 C 2315 C 2315 C 800 C 815 C 1370 C 1300 C 1395 C 1760 C 1760 C 400 C 800 C 630 C Tenth degree resolution selectable over sensor operating range within limits of Watlow MicroDIN A 13 la cS D o o lt Primary Control Output heating or cooling e Output update rate 10 per second 10H z maximum Internal Load Switching nominal Switched dc isolated signal 22 to 28V Vdc current limited 30mA Overload current and short circuit protection External Load Switching maximum e Open Collector 60V Vdc 1A Alarm Output e Output update rate 2 per second 2H z e Electromechanical relay FormA 2A 30V Vdc or 240V Vac e Alarm output can be latching or non latching and process or deviation with separate high and low values Alarm silencing inhibit on power up Accuracy e Calibration accuracy and sensor conformity 0 1 of span 1 77 F 45 F 25 C 3 C ambient and rated line voltage 10 with the following exceptions Type T 0 12 of span for 200 C to 50 C Types R and S 0 15 of span for 0 C to 100 C Type B 0 24 of span for 870 C to 1700 C e Accuracy span Less than or equal to operating ranges 1000 F 540 C minimum e Temperature stability 0 2 F F 0 2 C C rise in ambient maximum for thermocouples 0 05 F F 0 05 C C rise in ambient maximum for RTD sensors e Voltage s
85. rs and the Appendix provides information on how to write custom Modbus applications Set Address Baud Rate You must configure the communications speed and network address of the MicroDIN controller with the eight bit DIP switch on the top of the unit Set the controller address with the first six switches and the network speed 9 600 or 19 200 baud with the eighth switch Turn to the DIP switch page later in this chapter Serial Data Format The MicroDIN uses the an 8 N 1 data format 8 data bits no parity 1 stop bit and 1 start bit See the data format table later in this chapter Wiring Tasks In addition to wiring the controllerOs input outputs and power connections you must also wire the El A 232 to El A 485 converter connect your computer to the MicroDIN and connect the MicroDIN communications daisy chain See OCommunications WiringO in Chapter 3 for full detail Communications Software Watlow offers a Windows application for MicroDIN called OWatLink O which will both set up and run multiple MicroDINs over an El A 485 network using the Modbus protocol Turn to a screen sample at the end of this chapter You may also write your own application see Appendix for more detail or purchase any of several available Modbus capable control software packages 2 2 Watlow MicroDIN ElA 485 Network The MicroDIN ElA 485 RS 485 Network Characteristics An El A 485 interface uses three wires in a half duplex configura
86. s Default see Sensor Table in the Appendix for sensor ranges and defaults Active always Affects Set Point Operation Group limits the set point to the range between Range Low and Range High Input Group Range High e Set the input range high This setting is the highest value that the set point can have e Read write e Modbus 603 Range see Sensor Table in the Appendix for sensor ranges and defaults Default see Sensor Table in the Appendix for sensor ranges and defaults Active always Affects Set Point Operation Group limits the set point to the range between Range Low and Range High Input Group Calibration Offset e Set the input calibration offset This allows you to compensate for lead resistance sensor errors and other factors e Read write e Modbus 605 Range 1999 to 9999 Default 0 Active always oO tab b 5 tab 92 e 112 MN 5 6 Watlow MicroDIN gt Read Only 2 Read Write Turn On Off Filter Time Constant e Set the filter time for the input in seconds This smooths out a rapidly changing input signal Positive values affect the monitor readings only Negative values affect both the monitor readings and the control values e Read write e Modbus 604 Range 60 0 to 60 0 Default 0 0 Active always Input Error Action e Select how the controller responds to an input error e Read write e Modbus 902 Range O bumpless transfer control output power
87. s 1514 Range O turn both outputs off 1 turn the control output on and the alarm output off 2 turn the control output off and the alarm output on Default 0 Active if the controller is in diagnostics mode gt Read Only Read Write Turn On Off Watlow MicroDIN 5 29 Calibration Group NOTE Friera a E nter Cal oration Mode eeeeeeeeeeeeeeneees 5 30 calibration Calibration Commands AS 5 30 procedures Restore Factory Calibration 5 30 Reset Factory Defaults 5 31 Enter Calibration Mode e Enter calibration mode to calibrate the controller A e Must be in diagnostics mode to enter calibration mode CAUTION e Read write Avoid writing e Modbus 1600 continuously to Range EEPROM memory O to 1414 and 1416 to 9999 exit calibration mode Continuous writes 1415 enter calibration mode may result in Default premature control 0 failure system downtime and Active if the controller is in diagnostics mode damage to aa Calibration Commands e Measure and store a selected input calibration value See Disable Non e Write volatile Memory e Modbus 1603 System Group Range 0 no calibration 1 store 0 000mV input 2 store 50 000mV input y 3 store CJ C input 32 F Type J compensated 4 store ground input S1 S2 and S3 shorted 5 store RTD lead resistance S1 and S2 shorted D 6 store 15 00 ohms D 7 store 380 00 ohms a 10 store 4mA input Default 0 Active if the contro
88. s a buffer zone that increases the time interval that the output is off or on With hysteresis set to O the process value would stay closer to the set point but the output would switch on and off more frequently causing chattering Set hysteresis with Output Hysteresis PID Group Heating Action switches off when the Process Temperature rises above the Set Point Set Point Temperature Hysteresis rN Process Temperature Heating Action switches on when the Process Temperature Heating Action switches drops below the Set Point minus the Hysteresis on at Startup Time Cooling Action Switches on when the Cooling Action switches Process Temperature rises above the on at Startup Set Point plus the Hysteresis Hysteresis Process Temperature Set Point Temperature Cooling Action Switches off when the Process Temperature drops below the Set Point Time Figure 4 7 On Off Control for Heating and Cooling Watlow MicroDIN 4 7 Proportional Control Some processes need to maintain a temperature or process value closer to the set point than on off control can provide Proportional control provides closer control by adjusting the output when the temperature or process value is within a proportional band When the value is in the band the controller adjusts the output based on how close the process value is to the set point the closer to set point the lower the output This is similar to backing off
89. sseesseesseseeeeeees 2 Operation GOUD ricas 511 PC Connection via 232 485 Converter cccscscssesseeeeeees 23 A e 513 Special Case 485 Considerations oooconicnicccccicnccnconconcononnnnnnos 2 4 Alarm Output Group nissan ia 517 Termination Resistor vajar act oin s 2 4 ENON OTOU arenen bee Pull Up and Pull Down Resistors o oococccccccicccccncncncononononoos 2 4 Characteristics Group ooococonccnoconccconocncononncononononnno noo noo ncononos 5 25 Modbus Protocol ascii 2 0 Diagnostics GOUD IR Pl e ER ao 5 27 A e e o E EN 2 5 Calibration OU secante 5 30 Adi A A A eS Chapter 6 Operations ooococococccnoonoococccccccnconoonoonor car carcronnnonoos 61 Micr DIN SUPPOTS runescape 25 Startuo MicroDIN 60 Modbus Register Table o ooocococcccccoccccoconononccooncorncononononononnos 2 6 P Shutdown A AA 63 DIP Switches Set Address Baud Rate 2 T A ee E E MicroDIN DIP Switch Table ciones 2 7 A A et 94 03 Required Parameters Setup cocos 2 8 Calibrating MIGKODIN asias 6 6 Serial Dala FOAN socias de La Append Cae se Al Data Format TADE episode E ol Modbus RTU arrancar A 2 Wiring TasKS rosana 20 E E A 8 Wiring E A SA 2 9 Declaration of Conformity o A 12 Communications Software 0 eee 2 9 SP a a A 14 Watlow s WatLink session 2 9 Ordering Moa sins ia iii A 15 Other Software Options coccion 2 9 IMEX scssssesesetsntsnesstntvsivetntntintietntssianunnnnen A16 mu Parameter Index session it
90. t A 14 operation interface A 13 A 14 Operation Mode 5 11 operations 6 1 6 6 operator interface A 13 A 14 ordering information A 15 Output Hysteresis 5 16 Output Power 5 13 overview 1 1 1 4 P packet syntax A 3 panel indicator lights 4 14 parameter setup order A 19 parts list 3 2 PID group 5 13 5 16 PID Output Power 5 13 power A 14 power limit 4 3 Power Limit Set Point 5 9 primary control output A 14 process alarms 4 12 programmable logic controller 4 2 5 15 Propband 5 14 A 16 Watlow MicroDIN proportional control 4 8 proportional integral control 4 9 proportional integral derivative control 4 10 R Range High 4 6 5 6 Range Low 4 6 5 6 Rate 5 15 Reset 5 15 Restore Factory Calibration 5 30 a21 Restore Factory Defaults 5 31 RTD lead compensation 5 28 RTD lead resistance 5 28 S safety agency approvals A 14 safety information 1 sensor input A 13 sensor selection 4 6 Sensor Type 5 5 serial interface 2 9 Serial Number 1 5 25 Serial Number 2 5 26 Set Point 5 12 setup steps 1 3 Ship Date 5 25 shutdown 6 3 Silence Alarm 5 18 SI System International Units of Measure 5 3 Software ID Number 5 26 Software Revision 5 26 specifications A 13 A 14 startup 6 2 system 4 2 4 3 System Error 5 2 5 23 System Group 5 2 5 3 y technical assistance 1 terminals A 14 Test Displays 5 29 Test Outputs 5 29 troubleshooting alarms 6 4 6 5 troubles
91. tability 0 01 of span per percent of rated line voltage Safety Agency Approvals e UL C UL 508 File E 102269 Industrial Control Equipment e CE to EN 61010 pending Electromagnetic Compatibility and Immunity e Complies with EN 50081 EN 50082 Terminals e Touch safe set screw type accepts 26 to 14 gauge wire Power e 24 28V Vac do 15 10 20 4 to 30 8V Vac Vdc 50 60Hz 15 for V Vac e 5VA typical power consumption e Data retention upon power failure via nonvolatile memory e Sensor input isolation to switched dc output and communication circuitry 500V Vac dielectric Operating Environment e 32 to 149 F 0 to 65 C e 0 to 90 RH non condensing e Storage temperature 40 to 158 F 40 to 70 C Dimensions e Width x Height x Depth 1 64 x 4 65 x 5 19 DIN rail mount 42mm x 118mm x 132mm 1 64 x 4 65 x 5 06 Chassis mount 42mm x 118mm 129mm e Mounts on DIN rail per DIN EN 50022 35mm x 7 5mm UL is a registered trademark of Underwriters Laboratories Modbus is a registered trademark of AEG Schneider Automation Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated These specifications are subject to change without prior notice gt Ke ge 4 po gt lt A 14 Watlow MicroDIN Ordering Information MicroDIN Controller To order complete the code number to the right with the information below WOUD XMNN RevA00 U DIA 1CE S DIN Rail Mount Hoone S o T
92. tching Mode e Turn alarm latching on or off When latching is active the alarm will remain on after the alarm condition ends It must be turned off manuall y e Read write e Modbus 721 Range 0 no 1 yes Default 0 no Active if Set Alarm Output Function Alarm Output Group is set to alarm Alarm Silencing Mode e Turn alarm silencing on or off When silencing is active and the controller is first turned on the alarm cannot become active until the process temperature leaves the alarm range Also alarms can be manually silenced after one occurs Entering the normal operation range resets the silence e Read write Le e Modbus 722 D ab Range 0 no 1 yes gt Default 0 no Active if Alarm Output Function Alarm Output Group is set to alarm Alarm Logic e Select alarm output logic e Read write e Modbus 724 Range 0 alarm condition de energizes output open 1 alarm condition energizes output closed Default 0 Active if Alarm Output Function Alarm Output Group is set to alarm S Read Only Read Write Turn On Off Watlow MicroDIN 5 21 Error Group Monitor Open Loop Error cocccoocccccnnncccccnononcncnncncncnnnnno EZ Open Loop Detect oocccccnnccccnocccccoconccnccncnos SFZ NOE ROM aceros eN 5 22 System Error ssmicnda air itrees 5 23 Use Clear Error adrian iaa 5 23 Setup Input Error ACtiOn cccoooccccccnccnnncnnacincnnnnnos 5 24 A Error Clearing MOde
93. ted documents shown English 89 336 EEC Electromagnetic Compatibility Directive EN 50082 2 1995 EMC Generic immunity standard Part 2 Industrial environment EN 61000 4 2 1995 Electrostatic discharge EN 61000 4 4 1995 Electical fast transients ENV 50140 1994 Radiated immunity ENV 50141 1994 Conducted immunity ENV 50204 1995 Cellular phone EN 50081 2 1994 EMC Generic emission standard Part 2 Industrial environment EN 55011 1991 Limits and methods of measurement of radio disturbance characteristics of industrial scientific and medical radio frequency equipment Class A 73 23 EEC Low Voltage Directive 1993 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements EN 61010 1 D clare que le produit suivant D signation S rie MicroDIN Num ro s de mod le s UD 1A 1CES quatre chiffres ou lettres quelconques Commande installation cat gorie Il degr de Francais Classification pollution II Tension nominale 24 a 28 V c a c c Fr quence nominale 50 60 Hz Consommation d alimentation nominale 5 VA maximum Conforme aux exigences de la ou des directive s suivante s de l Union Europ enne figurant aux sections correspondantes des normes et documents associ s ci dessous 89 336 EEC Directive de compatibilit lectromagn tique EN 50082 2 1995 Norme g n rique d insensibilit lectromagn tique Part
94. ternal dc output connection to meet CE compliance This applies to the following external dc output references User s Manual p 3 7 fig 3 7b Quick Start Guide p 13 fig 13b x Figures 3 7b SS P and 13b 12345678910 Control Output Open Collector TE PLTLEGELLL with External Power Supply External DC Output Derating For MicroDIN CE Mark compliance external load switching maximum for an open collector is derated from 60V 1A to 42V 1A This applies to the following output rating references User s Manual p 3 7 fig 3 7b and A 14 Quick Start Guide p 13 fig 13b and 22 1044 WOUD XADN Rev A Watlow MicroDIN CE Addendum 1 April 1997 Z D O lt LLI Declaration of Conformity WATLOW CONTROLS 1241 Bundy Boulevard Winona Minnesota 55987 USA Series MicroDIN Declares that the following product Designation Series MicroDIN Model Number s UD 1 A 1CES Any four numbers or letters Classification Control Installation Category II Polution Degree II Rated Voltage 24 to 28V ac dc Rated Frequency 50 60 Hz Rated Power Consumption 5VA maximum Meets the essential requirements of the following European Union Directive s using the relevant section s of the normalized standards and related documents shown 89 336 EEC Electromagnetic Compatibility Directive EN 50082 2 1995 EMC Generic immunity standard Part 2 Industrial environment EN 61000 4 2 1995
95. the default Affects this o L C Changing will convert the A 5 2 temperature scale CAUTION 2 0 lt ao fe RS O Other effect Parameters S S o F S o e amp 2 O K 2 S F 2 v 5 5 x See Parameter Index p A 18 for detail should be set Pu 3 5 0 0 0 5 KS S S E 2 e BS y EL Document your settings below lt Units Type CorF Inout Error Action Control Output Function Set Fixed Manual Output Open Loop Detect Sensor Type Input Type Range Low C Range High C Decimal Point Calibration Offset Filter Time Constant Error Clearing Mode Power Limit Set Point High Side Power O Low Side Power O Alarm Output Function Alarm Type Alarm Hysteresis C Alarm Latching Mode Alarm Silencing Mode Alarm Active Sides Alarm Logic Alarm High Alarm Low Propband Integral Reset Derivative Rate Cycle Time Output Hysteresis C D Operation Mode Set Point Manual Output Power O Set Point C Table A 19 Parameters Setup order O OO OU UU g UU E HHH O O O O U Sie UU OU HF 2s cS D o o lt L U U O O O Watlow MicroDIN A 19 How to Reach Us Quality and Mission Statement Wattow Controls will be the world s best supplier of industrial temperature control products services and systems by exceeding our customers employees and sh
96. tion The El A 485 standard specifies a T R line a T R line and a common line El A 485 interprets a 5 volt signal lt None gt as a 1 a 5 volt signal as a 0 Up to 32 remote devices can be connected to a master on a multi drop network up to 4 000 feet long N 2 o For industrial networks El A 485 offers low impedance a multi ple devi ce capability strong noise immunity and the long distance capability PC Connection via 232 485 Converter Watlow recommends connecting the MicroDIN to your personal computers with an El A 232 RS 232 to El A 485 RS 485 converter The 232 to 485 converters are proven reliable low cost and readily available We recommend these suppliers e B amp B Electronics Manufacturing Company 707 Dayton Road PO Box 1040 Ottawa IL 61350 Tel 815 433 5100 Fax 815 434 7094 Web http www bb elec com Request part number 4850IC with a power supply and the correct 25 pin gender connector for your computer e CMC Connecticut microComputer Inc P O Box 186 Brookfield CT 06804 Tel 800 426 2872 203 740 9890 Fax 203 775 4595 Request part number ADA485L with the correct 25 pin gender connector for your computer See Chapter 3 for wiring details Watlow MicroDIN 2 3 O O O i Special Case 485 Network Considerations If your El A 485 network does not work it may require termination resistors Termination
97. tive rate adjusts the output based on the rate of change in the temperature or process value Used more with slow lagging loads View or change derivative or rate with Derivative or Rate PID Group To only view the derivative control value use Derivative Term PID Group Reduced Overshoot Set Point opor Band Temperature Time 4 10 Watlow MicroDIN Alarms An alarm takes some action usually notifying an operator when the process temperature leaves a defined range A user can configure how and when an alarm is triggered and whether it turns off automatically when the alarm condition is over High Side Alarm Range Alarm High Set Point y Alarm Hysteresis Normal Operating Range Temperature alarm Hysteresis Alarm Low Set Point Low Side Alarm Range Time Figure 4 11 Alarm Settings Alarm Set Points The alarm high set point defines the temperature or process value that will trigger a high side alarm The alarm high set point must be higher than the alarm low set point and lower than the high limit of the sensor range The alarm low set point defines the temperature or process value that will trigger a low side alarm The alarm low set point must be lower than the alarm high set point and higher than the low limit of the sensor range Alarm set points or deviation can be viewed or changed with Alarm High and Alarm Low Alarm Output Group Alarm Hysteresis Alarm hysteresis is a zone defin
98. tput will control for heating or cooling e Read write e Modbus 700 5 8 Watlow MicroDIN gt Read Only A Read Write Turn On Off Range O heat 1 cool Default O heat Active always Affects Manual Output Power Operation Group determines heat or cool values High Side Power Low Side Power or Fixed Manual Output Control Output Group changes range Power Limit Set Point e Select the set point that High Side Power and Low Side Power Control Output Group will use to limit the control output range e Read write e Modbus 713 Range Range Low to Range High Input Group values Default Range High Active always High Side Power e Set the maximum allowed power above the Power Limit Set Point Control Output Group e Read write e Modbus 714 rp Range T heat 0 0 to 100 0 ET cool 100 0 to 0 0 Default heat 100 0 gt cool 100 0 Active always Affected by Changing Control Output Function Control Output Group changes range S Read Only Read Write Turn On Off Watlow MicroDIN 5 9 Low Side Power e Set the maximum allowed power below the Power Limit Set Point Control Output Group e Read write e Modbus 715 Range heat 0 0 to 100 0 cool 100 0 to 0 0 Default heat 100 0 cool 100 0 Active always Affected by Changing Control Output Function Control Output Group changes range Fixed Manual Output e Select the initial control output po
99. troller address from 0x01 to OxF 7 The second byte in the message packet identifies the message command read 0x03 or 0x04 write 0x06 or 0x10 or loop back 0x08 The next n bytes of the message packet contain register addresses and or data The last two bytes in the message packet contain a two byte Cyclical Redundancy Checksum CRC for error detection A 2 Watlow MicroDIN Packet format nn nn nnnn nnn A A A A A A address command registers and or data CRC Read Multiple Registers Command 0x03 or 0x04 This command returns from 1 to 32 registers Packet sent to controller nn 03 nnnn OOnn nnnn A A A A A A A A controller address one byte a read command 0x03 or 0x04 starting register high byte starting register low byte number of registers high byte 0x00 number of registers low byte CRC low byte CRC high byte Packet returned by controller nn 03 nn nnnn nnnn nnnn A A A A A A A A controller address one byte read command 0x03 or 0x04 number of bytes one byte first register data low byte first register data high byte register n data high byte register n data low byte CRC low byte CRC high byte la cS D o o lt Watlow MicroDIN A 3 Example Read register O model number of the controller at address 1
100. unitat ENV 50204 1995 Mobiltelefon EN 50081 2 1994 EMC Rahmennorm fur Emissionen Teil 2 Industrielle Umwelt EN 55011 1991 Beschrankungen und Methoden der Messung von Funkst6rungsmerkmalen industrieller wissenschaftlicher und medizinischer Hochfrequenzgerate Klasse A 72 23 EEC EWG Niederspannungsrichtlinie 1993 Sicherheitsrichtlinien fur Elektrogerate zur Messung zur Steuerung und im Labor Teil 1 Allgemeine Richtlinien Klassifikation EN 61010 1 Declara que el producto siguiente Designacion Serie MicroDIN Numeros de modelo UD 1 A 1CES Cualquier combinaci n de cuatro n meros y letras Control categor a de instalaci n II grado de contaminaci n ambiental II 24 a 28V Vca Vcc 50 60 Hz Espa ol Clasificaci n Tensi n nominal Frecuencia nominal Consumo nominal de energ a 5 VA m ximo Cumple con los requisitos esenciales de las siguientes directivas de la Uni n Europea usando las secciones pertinentes de las reglas normalizadas y los documentos relacionados que se muestran 89 336 EEC Directiva de compatibilidad electromagn tica EN 50082 2 1995 Norma de inmunidad gen rica del EMC parte 2 Ambiente industrial EN 61000 4 2 1995 Descarga electrost tica EN 61000 4 4 1995 Perturbaciones transitorias el ctricas r pidas ENV 50140 1994 Inmunidad radiada ENV 50141 1994 Inmunidad conducida ENV 50204 1995 Tel fono port til EN 50081 2 1994 Norma de emisi n gen rica de
101. value 2 to register 1603 to store 50 000mV Input Disconnect the millivolt source and connect the reference compensator or T C calibrator to terminal 1 and Terminal 2 With Type t c wire if using a compensator turn it on and short the input wires When using a Type calibrator set it to simulate 32 F 0 C Allow 10 seconds for the control to stabilize e Send register 1603 value 3 to store CJ C input 32 F type J compensated Rewire for operation and verify calibration w do RTD Input Procedure Equipment Required e 1KQ precision decade box with 0 01Q resolution e Precision current source 0 4mA range with 0 01mA resolution Setup and calibration 1 Connect voltage to terminals 9 10 2 3 w u 2 e gt 12345678910 E E E E Eg A HH 24V ac dc Short terminals 1 2 and 3 together with less than 0 10 e Send register 1603 value 4 to store ground input UY Short terminals 1 and 3 together with less than 0 50 7 e Send register 1603 value 5 to store RTD lead resistance Connect the decade box to terminals 1 2 and 8 on the MicroDIN Use 20 to 24 gauge copper wire General Radio Model 1433 T Enter 15 00Q from the decade box to the MicroDIN Allow at least 10 seconds to stabilize e Send value 6 to register 1603 to store 15 000 Enter 380 000 from the decade box to the MicroDIN Allow at least 10 seconds to stabilize e Send re
102. washable and corrosion resistant on off controller A temperature controller that operates in either full on or full off modes open loop A control system with no sensory feedback output Control signal action in response to the difference between set point and process variable overshoot The amount by which a process variable exceeds the set point before it stabilizes P control Proportioning control PD control Proportioning control with derivative rate action PDR control Proportional derivative control with manual reset used in fast responding systems where the reset causes instabilities With PDR control an operator can enter a manual reset value that eliminates droop in the system PI control Proportioning control with integral auto reset action PID Proportional integral derivative A control mode with three functions proportional action dampens the system response integral corrects for droop and derivative prevents overshoot and undershoot proportional Output effort proportional to the error from set point For example if the proportional band is 20 and the process is 10 below set point the heat proportioned effort is 50 percent The lower the PB value the higher the gain proportional band PB A range in which the proportioning function of the control is active Expressed in units degrees or percent of span See PID la cS D o o lt Watlow
103. wer to take effect when the controller is switched to manual mode by either the user or an error e Read write e Modbus 903 Range heat 0 0 to 100 0 cool 100 0 to 0 0 Default 0 0 Active always Affected by Changing Control Output Function Control Output Group changes range U o ba 5 pa 3 192 e O wm 5 10 Watlow MicroDIN gt Read Only 2 Read Write Turn On Off A CAUTION Avoid writing continuously to EEPROM memory Continuous writes may result in premature control failure system downtime and damage to processes and equipment See Disable Non volatile Memory System Group Operation Group Monitor Operation Moqe ccccoocccccnnccccnococccnconcnnncnnnos 5 11 Use Operation MON ccccoocccccnnccccnococccnconcnononcnos 5 11 User Set POE cromo ad 5 12 Manual Output POWE oocccoccccccnconcnnncncnnncoss 5 12 Operation Group Monitor Operation Mode e Monitor the operation mode Normally follows the user selected mode It returns to the previous state after an error clears e Read only e Modbus 200 Range O off 1 auto 2 Manual control user selected 3 Manual control due to error Default auto Active always Operation Group Use User Operation Mode e Select whether the controller is under auto or manual control e Read write e Modbus 301 Range 0 auto 1 manual Default 0 auto Active always Affects Manual Output P

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