UM0L411B
Contents
1. 1 a Internal Circuit 2 12 9 a Se a RN E 330mA 5v E E Pulsed 5 33 rs Voltage NI 4 4 Kl 7 7a 33 5 Ka 8 18 La IN Bi sm AY N 10 20 63 Pulsed Voltage to Drive SSR 2 11 Output 2 Wiring Max 2A Resistive Load e 120v 24ov Mains Supply a Relay or Traic n Output Direct Drive 13113 14118 15 Fei 16 fe 17 113 18 x Figure 2 11 MI Output 2 Wiring ER 34 UMOL411A2. 120V 240V Mains Supply B 8 9 o Three e Phase Era Heater E i 5 o o Power No Fuse Breaker EIG E Contactor SI ES e 18 K Three Phase SJE 198i Delta Relay or Triac 9 10 20 ke Heater Output to Drive Load Contactor SSR 120V 240V Mains Supply ia Internal Circuit Blz 12 ES ic eg RE zj JE a BV JE 14163 Kiis 15 33 7 30mA sv 518 SI Pulsed NG 33 g Ks Voltage 18 Fy ay om MIB 19 ES e d 89 10 20 x Pulsed Voltage to Drive SSR UMOL411A 35 2 12 RS 485 E 4 1 E a sl Da isl 4 4 al M RS 485 to RS 232 Er E network adaptor Hells ad SNA10A or 5 10 E SNA10B RS 232 TX Twisted Pair Wire To e gt PC el 11 B al gn TX1 Bi
3. ei eL Fe et e Fel edel Pelle SS pes es es es s Three wire RTD SIE 1 2 12 Fe E 13 Fey ES 4 14 lol SJE 15 Ie 16 3 I7 17 Fea Sit 18 Fey SJE 19 SET K9 10 20 Fea E Aro Two wire RTD Figure 2 6 RTD Input Wiring UMOL411A 2 8 Linear DC Input wiring DC linear voltage and linear current connections are shown in Figure 2 7 and 2 8 Sit 11 1 Fe 2 12 3 E 13 E 0 60mV SIE 14 ES SJE 15 8 ms Ke 16 mn ETT 17 A co ee 18
4. Figure 3 6 Remote Reset Application 3 11 Remote Lock If LOCK is selected for EIFN terminals 16 amp 17 will act as remote lock input Turning the remote lock switch on will keep all the parameter setting from been changed If the switch is opened the lock indicator is extinguished and the up down key is enabled Setup EIFN LOCK El F Remote Lock El Figure 3 7 Remote Lock Application 46 UMOL411A 3 12 Limit Annunciator IFL AN Limit annunciator is selected for OUT2 the output 2 will act as a Limit Annunciator If the limit is or has been reached and the RESET key or remote reset contacts has not been pressed since the limit was reached then the limit annunciator output will be energized and the OP2 indicator will be lit and remain unchanged until the RESET key or remote reset input is applied 3 13 Reference Data There are three reference data contained in setup menu The reference data are read only data The maximum historical PV displayed by P YH which shows the maximum process value since the last UNLOCK operation The minimum historical PV displayed by Pf amp which shows the minimum process value since the last UNLOCK operation The abnormal time displayed by E Ah amp which shows the total accumulated time minutes during the process has been in abnormal condition since the last UNLOCK operation The values of referen
5. 43 Figure 3 5 DC Power Supply Application 45 Figure 3 6 Remote Reset Application Figure 3 7 Remote Lock Application Figure 4 1 Over Temperature Protection with Remote Reset 48 Figure 5 1 Flowchart for Manual Calibration 50 Figure 5 2 Cold Junction Calibration Setup 51 Figure 5 3 RTD Calibration 52 Table 1 1 DIP Switch Configuration 7 Table 1 2 Display Form of Characters 10 Table 6 1 Input Characteristics 55 4 UMOL411A Chapter 1 Overview 1 1 General The limit control L41 is an over temperature protection or a high limit safety device with a latching output that removes power in an abnormal condition during the process is higher than the high limit set point or lower than the low limit set point The unit is powered by 11 26 or 90 250 VDC VAC supply incorporating a 3 amp form C relay for limit control an universal input which is fully programmable for PT100 thermocouple types J K T E B R S N L C P and 0 60mvV an option port available for one of the following functions RS 232 RS 485 communication interface and Retransmission Alternative output options include SSR drive and triac The input signal is digitized by using a 18 bit A to D converter Its fast sampling rate 5 times second allows the L41 to control fast proc
6. 2 Perform Step 1 to calibrate the linear input zero Input Function R62 T C RTD 0 60mV 300K 0 1V 28K O 5V 1 5V 150K 0 10V 300K 3 Perform Step 2 but send a span signal to the input terminals instead of 60mV The span signal is 1V for 0 1V input 5V for 0 5V or 1 5V input 10V for 0 10V input and 20mA for 0 20MA or 4 20mA input UMOL411A 53 Chapter 6 Specifications Power 90 250 VAC 47 63 Hz 10 VA 5W maximum 11 26 VAC VDC SELV Limited Energy 10 VA 5W maximum Input Resolution 18 bits Sampling 5 times second Maximum Rating 2 VDC minimum 12 VDC maximum 1 minute for mA input Temperature Effect 1 5 uV C Sensor Lead Resistance Effect T C 0 2 uV ohm 3 wire RTD 2 6 C ohm of resistance difference of two leads 2 wire RTD 2 6 C ohm of resistance sum of two leads Burn out Current 200nA Common Mode Rejection Ratio CMRR 120db Sensor Break Detection Sensor open for TC RTD and mV inputs below 1 mA for 4 20 mA input below 0 25V for 1 5 V input unavailable for other inputs Sensor Break Responding Time Within 4 seconds for TC RTD and mA inputs 0 1 second for 4 20 mA and 1 5V inputs 54 UM0L411B Characteristics Ype Range Ga OR J Pi a eee j 2 C 22M2 K Verhaar 22 C 22Ma T 209 de j 2 C 22Mo E Pata YAO j 2 C 22Mo GEAR paaa B 329F 3308 F Pret x 2 2 MQ Ro Er ME
7. 0 60mV E SJE 19 SI 0 1V 0 5V 0 1V 0 5V L a 1 5V 0 10V 1 5V 0 10V Figure 2 7 Linear Voltage Wiring JK 1 8 Ka 2 12 3 m IE 13 FF SJE 14 3 Ir SE 15 3 o Ss 16 gt I7 17 3 E 18 3 4 DIP Switch ls nia 0 20mA or KI 10 20 5 4 20mA Figure 2 8 Linear Current Wiring UMOL411A 31 2 9 Event Input wiring SI 1 11 SS E 12 ET Open Collector KIS 13 16 Input S 4 14 A S 5 15 a Ke BEE 7 1718 x A I 8 18 lol Il 9 19 Ka FS 10 20 I S 1 11 a KI 2 12 Ka KJE 13 13 lle ula Switch Input KI 5 15 Ka SG 16 3 4 I 7 17 kA ol IE 18 c wl l Figure2 9 Event Input Wiring The event input can accept a switch signal as well as an open collector signal The event input function EIFN is activated as the switch is closed
8. Figures amp Tables Page No Figure 1 1 Access Hole Overview T Figure 1 2 Front Panel Display 9 Figure 1 3 Power Up Sequence 12 Figure 1 4 High Limit Operation Figure 1 5 Low Limit Operation Figure 1 6 High Low Limit Operation 17 Figure 2 1 Mounting Diagram Figure 2 2 Lead Termination Figure 2 3 Rear Terminal Connection Diagram 26 Figure 2 4 Power Supply Connections Figure 2 5 Thermocouple Input Wiring Figure 2 6 RTD Input Wiring Figure 2 7 Linear Voltage Input Wiring Figure 2 8 Linear Current Input Wiring Figure 2 9 Event Input Wiring Figure 2 10 Output 1 Wiring Figure 2 11 Output 2 Wiring Figure 2 12 RS 485 Wiring Figure 2 13 RS 232 Wiring Figure 2 14 Configuration of RS 232 cable cg Figure 2 15 Retransmission Wiring 38 Figure 3 1 Conversion Curve for Linear Type Process Value 39 Figure 3 2 Filter Characteristics 41 Figure 3 3 Normal Process Alarm 43 Figure 3 4 Latching Process Alarm
9. 2 C 22M2 S um i BS 2 C 22M2 N Ka Pla E 2 C 22MO L nur ma j 22c 22Ma C sp quer 22 C 22Ma Poor sac 22MD DIN ES 12829 t04 C 13Ko US Cage 11129 20410 13Ko mv 8mV 70mV 0 05 2 2 MQ mA 3mA 27mA 0 05 7050 V 8 115 0 05 302Ko Table 6 1 Input Characteristics UMOL411A 55 Event Input Logic Low 10V minimum 0 8V maximum Logic High 2V minimum 10V maximum Functions Remote reset remote lockout Output 1 Output 2 Relay Rating 24 240 VAC life cycles 200 000 for resistive load Pulsed Voltage Source Voltage 5V current limiting resistance 66 ohms Triac SSR Output Rating 14 240 VAC Inrush Current 20A for 1 cycle Min Load Current 50 mA rms Max Off state Leakage 3 mA rms Max On state Voltage 1 5 V rms Insulation Resistance 1000 Mohms min at 500 VDC Dielectric Strength 2500 VAC for 1 minute DC Voltage Supply Characteristics Installed at Output 2 Max Output Ripple Isolation Type Tolerance Current Voltage Barrier 20V 1V 25mA 0 2Vp p 500 VAC 12V 0 6V 40 mA 0 1 Vp p 500 VAC 5V 0 25V 80 mA 0 05 Vp p 500 VAC Data Communication Interface RS 232 1 unit RS 485 up to 247 units Protocol Modbus Protocol RTU mode Address 1 247 Baud Rate 0 3 38 4 Kbits sec Data Bits 8 bits Parity Bit None Even or Odd Stop Bit 1 or 2 bits Communication Buffer 50 bytes 56
10. User s Manual Coun DIN EN ISO 9001 Certificate 01 100 98505 LISTED G CE APPROVED tx OOOO LI LI LJ Cl sv BrainChild LIMIT CONTROL a AAA LIMIT CONTROL L41 Microprocessor Based Limit Controller UMOL411B BrainChild Warning Symbol A The Symbol calls attention to an operating procedure practice or the like which if not correctly performed or adhered to could result in personal injury or damage to or destruction of part or all of the product and system Do not proceed beyond a warning symbol until the indicated conditions are fully understood and met Use the Manual Installers Read Chapter 1 2 e System Designer Read All Chapters Expert User Read Page 12 NOTE Itis strongly recommended that a process should incorporate a LIMIT CONTROL like L41 which will shut down the equipment at a preset process condition in order to preclude possible damage to products or system Information in this user s manual is subject to change without notice This manual is applicable for the products with software version 11 and later version Copyright September 2007 The Brainchild Corporation all rights reserved No part of this publication may be reproduced transmitted transcribed or stored in a retrieval system or translated into any language in any form by any means without the written permission of the Brainchild Corporation 2 UMOL411A Contents Page No Chapter 1 Overview 1
11. AOLO and AOHI Condi Non linear Linear input Linear input Linear input Linear input onditions input RESO O RESO 1 RESO 2 RESO 3 Scale low 1999 9 19999 1999 9 199 99 19 999 Scale high 4553 6 45536 4553 6 455 36 45 536 2 The scale high low values are defined in the following table for the parameters O1 HY and AL HY Non linear Linear input Linear input Linear input Linear input input RESO 0 RESO 1 Scale low 0 0 0 0 0 Scale high 6553 5 65535 6553 5 655 35 65 535 8 The PROG code is defined by 5 XX where XX denotes the software version number For example PROG 5 10 means the product is L41 with software version 10 Conditions 4 The least significant bit LSB of ALM shows the status of output 1 LSB 1 if output 1 is ON normal condition The second bit of ALM shows the status of output2 64 UMOL411A 7 4 Data Conversion The word data are regarded as unsigned positive data in the Modbus message However the actual value of the parameter may be negative value with decimal point The high low scale values for each parameter are used for the purpose of such conversion Let M Value of Modbus message A Actual value of the parameter SL Scale low value of the parameter SH Scale high value of the parameter The conversion formulas are as follows 65535 Maggi M P A SHSE Mm 4 sp 65535 7 5 Communication Examples
12. Example 1 Down load the default values via the programming port The programming port can perform Modbus communications regardless of the incorrect setup values of address baud parity stop bit etc It is especially useful during the first time configuration for the controller The host must be set with 9600 baud rate 8 data bits even parity and 1 stop bit The Modbus message frame with hexadecimal values is shown as follows UMOL411A 65 1 Unlock the controller o To To T9 fs T3 Addr Func Reg Addr CMND 26668 CRC16 2 Preset the first group of the parameters 10 00 09 00 07 OE 00 01 00 00 Addr Func Starting Addr No of words Bytes INPT 1 UNIT 0 opoje eo ee eee RESO SHIF 0 0 CRC16 3 Preset the second group of the parameters 10 00 01 00 03 06 52 07 4E 1F 51 AS HI LO Addr Func Starting Addr No of words Bytes HSP1 100 0 LSP1 0 0 SP2 900 CRC16 4 Preset the third group of the parameters 10 00 11 00 13 26 00 02 00 00 00 00 00 01 Addr Func Starting Addr No of words Bytes OUT1 2 Reserved Reserved 01 HY 0 1 00 00 00 00 00 00 00 00 00 00 00 00 00 00 4E IF Reserved Reserved Reserved Reserved Reserved Reserved Reserved HSPL 0 75 2F 4A 37 dE IF 00 00 00 00 00 00 00 02 HI L
13. UMOL411A Analog Retransmission Output Signal 4 20 mA 0 20 mA 0 5V 1 5V0 10V Resolution 15 bits Accuracy 0 05 96 of span 0 0025 C Load Resistance 0 500 ohms for current output 10 K ohms minimum for voltage output Output Regulation 0 01 for full load change Output Settling Time 0 1 sec stable to 99 9 96 Isolation Breakdown Voltage 1000 VAC min Integral Linearity Error 3 0 005 96 of span Temperature Effect 2 0 0025 96 of span C Saturation Low 0 mA or OV Saturation High 22 2 mA or 5 55V 11 1V min Linear Output Range 0 22 2mA 0 20mA or 4 20mA 0 5 55V 0 5V 1 5V 0 11 1 V 0 10V User Interface Dual 4 digit LED Displays keypad 4 keys Programming Port For automatic setup calibration and testing Communication Port Connection to PC for supervisory control Limit Control High Limit Low limit and High Low Limit programmable Digital Filter Function First order Time Constant O 0 2 0 5 1 2 5 10 20 30 60 seconds programmable UMOL411A 57 Environmental amp Physical Operating Temperature 10 C to 50 C Storage Temperature 40 C to 60 C Humidity 0 to 90 RH non condensing Altitude 2000 m maximum Pollution Degree 2 Insulation Resistance 20 Mohms min at 500 VDC Dielectric Strength 2000 VAC 50 60 Hz for 1 minute Vibration Resistance 10 55 Hz 10 m s for 2 hours Shock Resistance 200 m s 20 g Moldings Flame re
14. range 0 15 kg cm is connected to input then perform the following setup INPT 4 20 mA IN LO 0 0 UNIT PU IN HI 15 0 RESO 1 DP Of course you may select other value for RESO to alter the resolution 3 2 Limit Control OUT1 Selects the output 1 function The available output 1 functions are High Limit Control Low Limit Control and High Low Limit Control Refer to Section 1 6 for the limit control operation O1 HY Output 1 hysteresis value The hysteresis value is adjusted to a proper value to eliminate the relay jitter in a noisy environment 3 3 Set Point Range HSPL Lower limit of HSP1 Hidden if LO is selected for OUT1 HSPH Upper limit of HSP1 Hidden if LO is selected for OUT1 LSPL Lower limit of LSP1 Hidden if HI is selected for OUT1 LSPH Upper limit of LSP1 Hidden if HI is selected for OUT1 HSPL and HSPH in setup menu are used to confine the adjustment range of HSP1 LSPL and LSPH are used to confine the adjustment range of LSP1 40 UMOL411A 3 4 PV Shift In certain application it is desirable to shift the indicated value from its actual value This can be easily accomplished with this unit by using the PV shift function Cycle the unit to the SHIF parameter by using the scroll key The number you adjust here either positive or negative will be added to the actual value The SHIF function will alter PV only SHIF PV shift offset value 3 5 Digital Filter In certain a
15. 1 General 5 1 2 Ordering Code 6 1 3 Programming Port 7 1 4 Keys and Display 8 1 5 Menu Overview 14 1 6 Limit Control Operation 15 1 7 Parameter Descriptions 18 Chapter2 Installation 2 1 Unpacking 24 2 2 Mounting 24 2 3 Wiring Precautions 25 2 4 Power Wiring 27 2 5 Sensor Installation Guidelines 28 2 6 Thermocouple Input Wiring 28 2 7 RTD Input Wiring 29 2 8 Linear DC Input Wiring 31 2 9 Event Input Wiring 32 2 10 Output 1 Wiring 33 2 11 Output 2 Wiring 34 2 12 RS 485 36 2 13 RS 232 37 2 14 Retransmission 38 Chapter3 Programming 3 1 Process Input 39 3 2 Limit Control 40 Page No 3 3 Set point Range 40 3 4 PV Shift 41 3 5 Digital Filter 41 3 6 Process Alarms 42 3 7 Data Communication 44 3 8 PV Retransmission 44 3 9 Signal Conditioner DC Power Supply 45 3 10 Remote Reset 46 3 11 Remote Lock 46 3 12 Limit Annunciator 47 3 13 Reference Data 47 Chapter 4 Applications pang a qua EHE 8 Chapter5 Calibration saaan 49 Chapter6 Specifications MEE 54 Chapter 7 Modbus Communications Pa 59 Appendix A 1 Error codes m UMOL411A 3
16. 2 PAR Parity bit 0 65535 R W 43 AOLO Analog output scale low 1 x4 RAW 44 AL FN Alarm function 0 65535 R W 45 AL MD Alarm mode 0 65535 R W 46 AL HY Alarm hysteresis value o 9 RAW 47 AL FT Alarm failure transfer 0 65535 R W 48 EIFN Event input function 0 65535 R W 49 Normal display format 0 65535 R W 50 AOH Analog output scale high 1 1 RAW 51 mV calibration low coefficient 1999 9 4553 6 R W 52 ADG mV calibration high coefficient 1999 9 4553 6 RAW 53 Cold junction calibration low coefficient 199 99 455 36 R W 54 CJG Cold junction calibration high coefficient 1999 9 4553 6 R W 55 RTD calibration low coefficient 1999 9 4553 6 R W 56 RTD calibration high coefficient 1999 9 4553 6 R W 57 Reserved 58 DA Manufacturing date of the product 0 65535 R W 59 Serial number of the product 0 65535 R W 60 HOUR Working hours of the product 0 65535 R W 61 Fractional value of hour 0 65535 R W UMOL411A 63 Register Parameter Scale Address Notation Parameter Low 28 PV Process value 1 29 HSP1 High limit set point 1 1l 30 LSP1 Low limit set point 1 1 31 TABN Accumulated time during abnormal 0 condition 32 ALM Output 1 status 4 0 40 PROG Program code 3 0 00 42 CMND Command code 0 43 JOB Job code 0 para The scale high low values are defined in the following table for the parameters HSP1 LSP1 SP2 PV HI PV LO IN LO IN HI SHIF HSPL HSPH LSPL LSPH PV
17. O HSPH 1000 0 LSPL 100 0 LSPH 0 Reserved Reserved AOFN 0 OUT2 2 CRC16 5 Preset the rest parameters 10 oo 27 oo oc 18 o0 01 00 01 oo o5 oo oo Addr Func Starting Addr No of words Bytes COMM 1 ADDR 1 BAUD 5 PARI 4E IF 00 06 00 00 00 O1 00 01 00 CO 00 00 AOLO 0 AL FN 6 AL MD 0 AL HY 0 1 ALFT 1 EIFN O DISP 0 52 07 HI LO AOHI 100 0 CRC16 66 UMOL411A Example 2 Read the process value PV Send the following message to the controller via the COMM port or the programming port Query 03 00 80 o e H to Addr Func Starting Addr No of words CRC16 Example 3 Perform reset function same effect as pressing key Query 06 00 8E os 25 H to Addr Func Starting Addr CMND 26661 CRC16 Example 4 Read 22 parameters at most one time Query 03 00 16 HI LO Addr Func Starting Addr No of words CRC16 Example 5 Modify the calibration coefficient Preset the CMND register with 26665 before attempting to change the calibration coefficient 06 o j s eb 2o n to Addr Func Register Addr CMND 26665 CRC16 UM0L411A 67 Table A 1 Error Codes and Corrective Actions Displa nap id Sinha Error Description Corrective Action Communicatio
18. T CONTROL o a Cv E L41 2 Display program code of the product for 1 5 seconds The left diagram shows program no 5 with version 10 g isplay Date Code for 1 5 seconds The left diagram shows Year 2006 onth February 2 Date 25 th This means that the product is produced on February 25 th 2006 Note that the month code A is for October B is for November and C is for December D isplay the serial number 001 999 for 1 5 seconds Display the hours used for 1 5 seconds The left diagram shows that the unit has been used for 23456 7 hours since production Figure 1 3 Power Up Sequence UMOL411A Verify all electrical connections have been properly made before applying power to the unit During power up a self test procedure is performed within 6 5 seconds During self test period all outputs are left off When the self test procedure is complete the unit reverts to normal operation UMOL411A 13 1 5 Menu Overview Setup Mode PV Value 5 4 sec 2 2 sec ds SP1 or SAFE Calibration Mode Ay ME Input type HSP1 High limit setpoint 1 TTTT value o Y Process unit Display resolution LSP1 Low limit setpoint 1 Low scale value for linear value input High scale value for linear input PV shift offset value PV filter time constant Output 1 function Output 1 hysteresis value Lower limit of HSP1 Upper
19. ange with minimal thermal lag In a process that requires fairly constant heat output the probe should be placed closed to the heater In a process where the heat demand is variable the probe should be closed to the work area Some experiments with probe location are often required to find this optimum position In a liquid process addition of a stirrer will help to eliminate thermal lag Since the thermocouple is basically a point measuring device placing more than one thermocouple in parallel will provide an average temperature readout and produce better results in most air heated processes Proper sensor type is also a very important factor to obtain precise measurements The sensor must have the correct temperature range to meet the process requirements In special processes the sensor might need to have different requirements such as leak proof anti vibration antiseptic etc Standard thermocouple sensor limits of error are 4degrees F 2degrees C or 0 7596 of sensed temperature half that for special plus drift caused by improper protection or an over temperature occurrence This error is far greater than controller error and cannot be corrected at the sensor except by proper selection and replacement 2 6 Thermocouple Input Wiring Thermocouple input connections are shown in Figure 2 5 The correct type of thermocouple extension lead wire or compensating cable must be used for the entire distance between the unit and the
20. ast 20 minutes for warming up Press 9 for at least 4 seconds The display will blink a moment If the display didn t blink then the calibration fails UMOL411A 51 Step 4 Step 5 Step 6 52 Calibrate gain of cold junction Setup the equipment same as step 3 The unit under calibration is power in a still air room with temperature 50 3 C Stay at least 20 minutes for warming up The calibrator Source is set at 0 00 C with internal compensation mode Press for at least 4 seconds The display will blink a moment If the display didn t blink then the calibration fails Calibrate RTD reference voltage Send a 100 ohms signal to terminal 3 4 and 5 according to Figure 5 3 100 ohms Figure 5 3 RTD Calibration Press for at least 4 seconds The display will blink a moment If the display didn t blink then the calibration fails Calibrate RTD serial resistance Change the ohm s value of the calibrator to 300 ohms Press for at least 4 seconds The display will blink a moment If the display didn t blink then the calibration fails x Input modification and recalibration procedures for a linear voltage or a linear current input 1 Change resistor R62 on the control board with the recommended values specified in the following table The low temperature coefficient resistors with 1 50ppm should be used for R62 Adjust the DIP switch according to table 1 1 UMOL411A
21. ce data will be initiated as soon as the RESET key is pressed for 4 seconds UNLOCK operation After UNLOCK operation the PV HI and PV LO values will start from the current process value and T ABN value will start from zero UMOL411A 47 Chapter 4 Application An oven uses a single phase heater to heat the process A single loop temperature control C91 is used to regulate the temperature A limit control L41 is used to protect the process from being over heated The wiring diagram is shown below L N Temperature Control C91 E 1 El Blz 1 E gA E ET Kalis sE T g IL 1 le Remote ET T amp L Reset Bille 18 El Els 19 EI 10 20 ES Heater UL Mechanical Contactor Figure 4 1 Over Temperature Protection with Remote Reset 48 UMOL411A Chapter 5 Calibration A Do not proceed through this section unless there is a definite need to re calibrate the controller Otherwise all previous calibration data will be lost Do not attempt re calibration unless you have appropriate calibration equipment If calibration data is lost you will need to return the unit to your supplier who may change you a service fee to re calibrate t
22. cess Hole Access Hole Overview The programming port is used to connect to SNA12A for automatic programming also can be connected to ATE system for automatic testing amp calibration DIP Switch Mon J orr Table 1 1 DIP Switch Configuration TC RTD mV Input Select 0 20 mA EED gt 0 1V 0 10V o L UMOL411A 7 A special connector can be used to touch the programming port which is connected to a PC for automatic configuration also can be connected to an ATE system for automatic calibration and testing The programming port is used for off line automatic setup and testing procedures only Don t attempt to make any connection to these pins when the unit is used for a normal control purpose 1 4 Keys and Display KEYPAD OPERATION SCROLL KEY This key is used to 1 Select a set point to be displayed 2 Select a parameter to be viewed or adjusted 3 Advance display from a parameter code to the next parameter code 8 UMOL411A ENTER KEY 0 4 seconds 6 seconds Press the scroll key for 4 seconds the display will enter the setup menu Press this key for 6 seconds to enter the calibration mode UP KEY 4 This key is used to increase the selected parameter value during the lock indicator is off DOWN KEY v This key is used to decrease the selected parameter value during the lock indicator is off RESET KEY R This key is u
23. condition and energized in an alarm condition Latching Alarm AL MD LTCH If a latching alarm is selected once the alarm output is energized it will remain unchanged even if the alarm condition has been cleared unless the power is shut off or the RESET key or remote reset button is pressed Failure Transfer AL FT OFF or ON In case of Sensor Break or A D Failure occurs the alarm output will be on or off according to the selection of AL FT Examples SP2 200 AL HY 10 0 AL MD NORM AL FN PVH A 42 UMOL411A Examples Process proceeds 200 200 ON 5 200 190 190 190 SP2 200 AL HY 10 0 AL MD LTCH AL FN PV H A Process proceeds 200 200 ON 200 190 190 190 UMOL411A Figure 3 3 Normal Process Alarm X 200 200 190 OFF 190 Figure 3 4 Latching Process Alarm 43 3 7 Data Communication The controllers support RTU mode of Modbus protocol for the data communication Other protocols are not available for the series Two types of interface are available for Data Communication These are RS 485 and RS 232 interface Since RS 485 uses a differential architecture to drive and sense signal instead of a single ended architecture which is used for RS 232 RS 485 is less sensitive to the noise and suitable for a longer distance communication RS 485 can communicate without error over 1 km distance while RS 232 is not recommended for a distance over 20 mete
24. d rate 19 2 19 2 Kbits s baud rate 208 28 8 Kbits s baud rate FAY 38 4 Kbits s baud rate PARI EYER 8bit even parity Parity Bit of Digital odd 8bit COMM odd parity nonE 8bit none parity AOFN PY Process value Analog Output HSP High Limit Function Set point 1 24 Low Limit LSP f Set point 1 AOLO 22 Analog Output Low Low 19999 Scale Value High 45536 UMOL411A Parameter Parameter Ranae Default Notation Description 9 Value Analog Output High Low 19999 100 0 C AOHI Scale Value High 45536 212 0 F PEHA Process AL FN Alarm function value high alarm PULA Process value low alarm norn Normal AL MD Alarm mode alarm action tech Latching alarm action Alarm hysteresis Low 0 1 ALAY Ng High 10 C 18 0 F AL FT Alarm failure transfer nanE No event unction EIFN Event input function O output 1 on L oct Remote lock for the unit SAFE Display SAFE i HSP Display the DISP Normal display format value of HSP1 LSP 1 Display the value of LSP1 PVHI Historical Max value Low 19999 i of PV High 45536 Historical Min value Low 19999 PULO of py High 45536 Accumulated time TABN during abnormal Low 0 condition High 6553 5 minutes UMOL411A Chapter 2 Installation AN enen voltages capable of causing death are sometimes present in this instrument Before installation or beginnin
25. e from slave aj Byte count Data 1 Hi Data 1 Lo Data 2 Hi Data 2 Lo CRC16 Hi CRC16 Lo Response from slave 59 Function 16 Preset Multiple Registers Query from master Response from slave Slave address 0 255 Function code 16 dS Starting address of register Hi 0 Starting address of register Lo 0 61 128 143 No of words Hi 0 a No of words Lo 1 18 Byte count 2 36 CRC16 Hi Data 1 Hi CRC16 Lo Data 1 Lo Data 2 Hi Data 2 Lo CRC16 Hi CRC16 Lo 60 UMOL411A 7 2 Exception Responses If the controller receives a message which contains a corrupted character parity check error framing error etc or if the CRC16 check fails the controller ignores the message However if the controller receives a syntactically correct message which contains an illegal value it will send an exception response consisting of five bytes as follows slave address offset function code exception code CRC16 Hi CRC16 Lo Where the offset function code is obtained by adding the function code with 128 ie function 3 becomes H 83 and the exception code is equal to the value contained in the following table Exception Code Name Cause Function code is not supported by the controller 2 Illegal data address Register address out of range 1 Bad function code Data value out of range or 3 Ilegal data value attempt to
26. e available to supply an external transmitter or sensor These are 20V rated at 25mA 12V rated at 40 mA and 5V rated at 80 mA The DC voltage is delivered to the output 2 terminals by selecting DCPS for OUT2 in setup menu 1 1 Set e 2 12 pa OUT2 d L P 5 E giia DC Power Supply Two line M E q Transmitter LE sie Figure 3 5 P E DC Power Supply S E Application 7 Transmitter or sensor E E Three line o Sl E E Bridge Type sensor Caution Dont use the DC power supply beyond its rating current to avoid damage Purchase a correct voltage to suit your external devices See ordering code in section 1 2 UMOL411A 45 3 10 Remote Reset If REST is selected for EIFN terminals 16 amp 17 will act as remote reset input Pressing remote reset button will perform the same function as pressing the RESET key Refer to section 1 4 for RESET key function 63 ES EI Remote Reset El
27. ess such as pressure and flow Digital communication RS 485 is available as an additional option This option allows L41 to be integrated with supervisory control system An alarm output is another option A variety of alarm function and alarm mode can be programmed for a specific application The DC power supply output option is used for an external sensor or transmitter The standard event input can be programmed for remote reset or remote lock signal input The limit annunciator can be used to control an alarm buzzer Three kinds of method can be used to program L41 1 use keys on front panel to program the unit manually 2 Use a PC and setup software to program the unit via RS 485 port and 3 Use a pc and configuration software to program the unit via programming port High accuracy maximum flexibility fast response and user friendly are the main features of L41 UMOL411A 5 1 2 Ordering Code 4 90 250 VAC 47 63 HZ Special Order ti 22 5 11 26 VAC or VDC Options SELY Limited Energy 0 IP50 standard 1 IP65 water resistant 5 Power Input Standard leave blank Signal Input rubber installed 1 Standard Input Communication Thermocouple J K T E BOR 1 RS 485 interface B R S N L C P 2 RS 232 interface RTD PT100 DIN PT100 JIS 3 Retransmit 4 20mA 0 20mA mV 0 60 mV 4 Retransmit 1 5V 0 5V 5 Retransmit 0 10V 2 Voltage 0 1 V l 3 Voltage 0 10 V nba 4 Current 0 20mA ouput 2 5 V
28. g any troubleshooting procedures the power to all equipment must be switched off and isolated Units suspected of being faulty must be disconnected and removedto a properly equipped workshop for testing and repair Component replacement and internal adjustments must be made by a qualified maintenance person only Mo minimize the possibility of fire or shock hazards do not expose this instrument to rain or excessive moisture Zoo not use this instrument in areas under hazardous conditions such as excessive shock vibration dirt moisture corrosive gases or oil The ambient temperature of the areas should not exceed the maximum rating specified in Chapter 6 2 1 Unpacking Upon receipt of the shipment remove the unit from the carton and inspect the unit for shipping damage If any damage due to transit report and claim with the carrier Write down the model number serial number and date code for future reference when corresponding with our service center The serial number S N and date code D C are labeled on the box and the housing of the unit 2 2 Mounting Make panel cutout to dimension shown in Figure 2 1 24 UMOL411A Install both mounting clamps and insert the housing into panel cutout Panel Cutout 92 mm em p s mm Figure 2 1 Mounting Diagram 2 3 Wiring Precautions Before wiring verify the label for correct model number and options Switch off the power when checking Care must be ta
29. he unit A Entering calibration mode will break the control loop Make sure that if the system is allowable to apply calibration mode Equipments needed for calibration 1 A high accuracy calibrator Fluke 5520A Calibrator recommended with following function 0 100 mV millivolt source with 0 005 96 accuracy 0 10 V voltage source with 0 005 96 accuracy 0 20 mA current source with 0 005 96 accuracy 0 300 ohm resistant source with 4 0 005 accuracy 2 A test chamber providing 25 C 50 C temperature range 3 A switching network SCANER 80 optional for automatic calibration 4 A calibration fixture equipped with programming units optional for automatic calibration 5 A PC with calibration software BC Net and Smart Network Adaptor SNA10B optional for automatic calibration Since each unit needs 30 minutes to warm up before calibration calibrating one unit each is inefficient An automatic calibration system for small quantity well as for unlimited quantity is available upon request The calibrationprocedures described in the following are a step by step manual procedures Apply Enter Key press for 6 seconds to enter the calibration mode see figure 5 1 UMOL411A 49 Y Figure 5 1 Normal Mode Flow Chart for Manual l Calibraton i 2 4 seconds Setup Mode x 4 i 2 2 seconds lt Ado Step 1 4 seconds ADG Ste
30. ight 199 99 will be displayed as 199 9 4553 6 will be displayed as 4553 For a number without decimal point the display will be divided into two alternating phases 19999 will be displayed as g 999 45536 will be displayed as 5 5 36 9999 will be displayed as 9g 9 9 9 NORMAL DISPLAY During normal operation the unit will display the process value and the word SAFE y ABNORMAL DISPLAY Whenever the process is outside the normal range the lower display will display the limit set point value instead of displaying the word SAFE 10 UMOL411A SENSOR BREAK DISPLAY If a break is detected in the sensor circuit the display will show 5Enb A D FAILURE DISPLAY If failure is detected in the A D converter circuit the display will show AdEr POWER UP SEQUENCE All segments of display and indicators E are left off for 0 5 second BrainChild LIMIT CONTROL oj a v n L41 E BEBB i n s HEBE All segments of display and indicators av are lit for 1 5 seconds BrainChild LIMIT CONTROL 2 4 7 5 L41 UMOL411A 11 BrainChild LIMIT CONTROL e J Jt L41 BrainChild LIMIT CONTROL Oo PV 2 2 Cv E L41 PV on are Hrga Out2 on sv BrainChild LIMI
31. jeje ale el Retransmit Voltage 38 Indicators PLC s B Load Recorders Data loggers Inverters etc The total effective resistance of parallel loads should be greater than 10K Ohms Figure 2 15 Retransmission Wiring UMOL411A Chapter3 Programming 3 1 Process Input Press 2 for 4 seconds to enter setup mode Press to select parameter The display will indicate the parameter symbol and the value or selection for that parameter INPT Se UNIT Se ects the process unit ects the sensor type and signal type for the process input RESO Selects the location of the decimal point Resolution for most not all process related parameters IN LO Selects the low scale value for the Linear type Hidden if T C or RTD type is selected for INPT IN HI Selects the high scale value for the Linear type Hidden if T C or RTD type is selected for INPT How to u ise IN LO and IN HI input input If 4 20mA is selected for INPT let SL specifies the input signal low ie 4mA SH specifies the signal high ie 20mA S specifies the current input signal value the conversion curve ofthe process value is shown as follows process value IN LO 4 PV IN HI input signal UMOL411A Figure 3 1 Conversion Curve for Linear Type Process Value 39 Formula PV IN LO INHI IN LO AA Example a 4 20 mA current loop pressure transducer with
32. ken to ensure that maximum voltage rating specified on the label are not exceeded It is recommended that power of these units to be protected by fuses or circuit breakers rated atthe minimum value possible All units should be installed inside a suitably grounded metal enclosure to prevent live parts being accessible from human hands and metal tools All wiring must conform to appropriate standards of good practice and local codes and regulations Wiring must be suitable for maximum voltage current and temperature rating of the system Beware not to over tighten the terminal screws The torque should not exceed 1N m 8 9 Lb in or 10 2 KgF cm UMOL411A 25 Unused control terminals should not be used as jumper points as they may be internally connected causing damage to the unit Verify that the ratings of the output devices and the inputs as specified in Chapter 6 are not exceeded Except the thermocouple wiring all wiring should use stranded copper conductor with maximum gauge 18 AWG 7 0mm max 3 2mm min j4 mos Figure 2 2 Lead Termination 90 250VAC TIL 11 al 5 s p CAT II ova J 2 N 12 3 RESTO 13 c 4 RE 1X2 14 RS 485 or RS 232 orla ps 6 Nc EL 164 7 E 17 te OP2 8 Ng pra 18 mm A 9 Nel Fimk 19 SHG B Figure 2 3 RS 232 10 CoM ft 20 3 18 Rear Terminal 50 C max air ambient TC V mA RTD Connection Diagram Use copper cond
33. limit of HSP1 Lower limit of LSP1 Upper limit of LSP1 Output 2 function Communication function Address for digital communication Baud rate Parity bit Analog output function Analog output low scale Analog output high scale arm function arm mode arm hysteresis value arm failure transfer Event input function Normal display format ax historical PV in historical PV Abnormal time SP2 Setpoint 2 value A A A A 9 o o o o o o o fal o o o o o o o o o o o o o fal o o o o fal a QNONOQNQNAANAAAaAaANANAAANAANAAANAANANAANANANAAN 14 UMol4HA L Bl Note 1 The flow charts show a complete listing of parameters For actual application the number of available parameters is dependent on the setup conditions and should be less than that shown in the flow charts Note 2 Press LR key for 4 seconds to enable up down key function and the LOCK indicator will be extinguished 1 6 Limit Control Operation HIGH LIMIT OPERATION If Hi is selected for OUT1 the unit will perform high limit control When power is applied the OUT1 relay is de energized After 6 5 seconds self test period if the process is below the high limit set point HSP1 the ou
34. ll gi E 14 B fos SI TX2 Sille 16 3 E 17 ESI Sille 18 Bills 19 T 8 10 2R Max 247 units can be linked el 11 T al zB ma E u a o s Ka pe Terminator ell ia 220 ohms 0 5W Sille 18 3 3 a E Figure 2 12 RS 485 Wiring 36 UMOL411A 2 13 RS 232 9 pin RS 232 port CC94 1 Figure 2 13 RS 232 Wiring If you use a conventional 9 pin RS 232 cable instead of CC94 1 the cable must be modified according to the following circuit diagram To DTE PC RS 232 Port 1DCD 2RD 3 TD na QQis 4 DTR nea 5 GND 6 DSR com 10 7 RTS 8CTS 9RI Female DB 9 Figure 2 14 Configuration of RS 232 cable UMOL411A 37 2 14 Retransmission aja aja ae eot os eje PFR Retransmit Current Load Indicators PLC s Recorders Data loggers Inverters etc The total effective resistance of serial loads can t exceed 500 ohms Load Load FUF 1 5V 0 5V 0 10V A 4 T ojo xo o a oo a FTIIT CESSIT aa ex E FE e
35. mocouple 2 E_EL Ttype thermocouple 3 E_EL Etype thermocouple 4 b EL Btype thermocouple 5 r EF Rtype thermocouple 6 5 EL Stype thermocouple 7 n_EL Ntype thermocouple 8 L_EE Ltype thermocouple 9 L_EE Ctype thermocouple P LL Ptype thermocouple PE dn PT100 ohms DIN curve Pl 15 PT100 ohms JIS curve 10 11 12 UMOL41 Parameter Parameter Default Notation Description Range Value 13 4 20 4 20 mA linear current 14 B gll 0 20 mA linear current 15 0 50 0 60 mV linear voltage ic AE SIN o INPT Input Type Selection inear voltage 0 17 j 5 0 5V inear voltage 18 4252 1151 inear voltage 19 G IO 0 10V inear voltage 0 of Degree C unit 1 DE 0 UNIT Process Unit Degree F unit 1 2 Pu Process unit nodP No decima I dP RESO Display Resolution ama Car 2 decimal ded 3 decimal Low Scale Value for Low 19999 IN LO Linear Input High IN HI 0 UMOL411A 19 Parameter Notation Parameter Description Range Default Value IN HI High Scale Value for Linear Input Low IN LO High 45536 100 0 SHIF FILT OUT1 PV Shift offset Value PV Filter Time Constant Output 1 Function Low 200 0 C 360 0 F High 200 0 C 360 0 F 0 second ime constant 2 0 2 second ime constant B 0 5 second ime constant 1 second ime constant 2 seconds ime consta
36. n error bad function Correct the communication 10 Er iff code software to meet the protocol requirements Communication error register Don t issue an over range component s malfunction Wer ii address out of range register address to the slave Communication error attempt Don t write a read only data or a 14 Er 4 to write a read only data or a protected data to the slave protected data Communication error write a Don t write an over range data 15 Er 15 value which is out of range to a to the slave register register Input sensor break or input current below 1 mA if 4 20 mA is A 39 5Enb selected or input voltage below Heplace input sensor 0 25V if 1 5V is selected 40 AdEr A to D converter or related Return to factory for repair 68 UM0L411A WARRANTY Brainchild Electronic Co is pleased to offer suggestions on the use of its various products However Brainchild makes no warranties or representations of any sort regarding the fitness for use or the application of its products by the Purchaser The selection application or use of Brainchild products is the Purchaser s responsibility No claims will be allowed for any damages or losses whether direct indirect incidental special or consequential Specifications are subject to change without notice In addition Brainchild reserves the rightto make changes without notification to Purchaser to materials or processing
37. nt 5 seconds ime constant 10 seconds ime constant 20 seconds ime constant 30 seconds ime constant 60 seconds ime constant High limit control Low limit control H L o High Low limit control 2Hi 3Lo 0 0 20 UMOL41 A Parameter Parameter Default Notation Description Range Value Output 1 Hysteresis Low 0 1 O1 HY Value High 10 0 C 18 0 F 01 HSPL Lower Limit of HSP1 EQ 112999 20 0 p HSPH Upper Limit of HSP1 QV HISPEL ago o LSPL Lower Limit of LSP1 High SPH IROG LSPH Upper Limit of LSP1 LOW Geese Son 0 mane No function 1 dL P5 DC power OUT2 Output 2 Function supply output 2 2 AL A Alarm output 34 Limit L_An annunciator 0 nonE No communication 1 Ey Modbus RTU mode protocol 2 4 00 4 20mA retransmission output Zaai 3 6 20 0 20mA comm Communication E Anon 4 function output 4 5 05V retransmission output 5 1 54 1 5V retransmission output 65 18 0 10v retransmission output UMOL411A 21 Parameter Notation Parameter Description Range Default Value ADDR Address Assignment Low 1 of Digital COMM High 255 1 BAUD 13 0 3 Kbits s 03 baud rate Mc 0 6 Kbits s Ub baud rate 1 2 Kbits s baud rate Y 2 4 Kbits s e baud rate Baud Rate of Digital HEB 4 8 Kbits s COMM baud rate GB 9 6 Kbits s baud rate 144 14 4 Kbits s bau
38. oltage 0 5 V 0 None 1 Form C Relay 2A 240VAC 9 Special Order 2 Pulsed voltage to Output 1 drive SSR 5V 30mA 6 Triac Output 1A 240VAC SSR 0 None 7 Isolated 20V 25mA DC 1 Form C relay rated 2A 240VAC Output Power Supply 2 Pulsed voltage to drive SSR 5V 30mA 8 Isolated 12V 40 mA DC 6 Triac Output 1A 240VAC SSR Output Power Supply C Pulsed voltage to drive SSR 14V 40mA Cro Hd 9 Special order C Pulsed voltage to drive SSR 14V 40mA Accessories H Special order OM94 6 Isolated 1A 240VAC Triac Output Module SSR OM94 7 14V 40mA SSR Drive Module DC94 1 Isolated 20V 25MA DC Output Power Supply DC94 2 Isolated 12V 40mA DC Output Power Supply DC94 3 Isolated 5V 80MA DC Output Power Supply CM94 1 Isolated RS 485 Interface Module CM94 2 Isolated RS 232 Interface Module CM94 3 Isolated 4 20mA 0 20mA Retransmission Module CM94 4 Isolated 1 5V 0 5V Retransmission Module CM94 5 Isolated 0 10V Retransmission Module CC91 3 Programming port cable for L41 6 UMOL411B Related Products SNA10A Smart Network Adaptor for Third Party Software Converts 255 channels of RS 485 or RS 422 to RS 232 Network SNA12A Smart Network Adaptor for programming port to RS 232 interface BC Set Configuration Software Standard model without option L41 411000 1 3 Programming Port and DIP Switch Rear z Terminal re Front Panel aia Figure 1 1 Ac
39. or an open collector or a logic signal is pulled down 32 UMOL411A 2 10 Output 1 Wiring o 120V 240V Max 2A Mains Supply Resistive To Controller gt Output 1 11 5 2 io Relay or Traic al al Output Direct Drive 4 1418 5 15 Fy ES 6 16 fea I7 17G STE 18 Fey rl 19 T Figure 2 10 KI 10 20 Output 1 Wiring 9120V 240V Contactor Mains Supply To Controller Output D 5 O4 6 6 fo Three Delta 5 Ob Hooo Phase H L Heater ed No Fuse Breaker Power KJK 1118 9 2 12 Fe NJE 13 4 14 T 5 15 19 Ke 6 16 E 17 ET Ie 8 18 Gg EJE gA Relay or Traic l0 20 Output to Direct Contactor UMOL411A 33 T 120v 240V Mains Supply
40. ow limit control When power is applied the OUT1 relay is de energized After 6 5 seconds self test period if the process is below the high limit set point HSP1 and above the low limit set point LSP1 the output 1 relay will be energized and OP1 indicator will go off If the process goes above the high limit set point or below the low limit set point the relay will be de energized the OP1 indicator will go on and the display will show the process value After the process is within the normal operation range and the RESET key is pressed or the remote reset input is applied the relay will be energized and the OP1 indicator will go off OUT1 Relay ON OFF A BC D EF l bod I bg NG I ik 3l I l NG I bg fa NG b AE UE Ee 9 HSP1 OTHY iN ii it Wit LSP1 01 HY LSP1 1 1 poa I hott 1 i 1 1 1 I 1 I i 1 i 1 A B C D E F Reset is applied O1 HY Output1 hysteresis Figure 1 6 High Low Limit Operation UMOL411A 17 1 7 Parameter Descriptions Parameter Notation HSP1 Parameter Description High Limit Set point 1 Range HSPL HSPH Low High Default Value 100 0 C 212 0 F LSP1 Low Limit Set point 1 LSPL High LSPH Low 0 C 32 0 F SP2 Set point 2 Value for Output 2 Low 19999 High 45536 90 0 C 194 0 F INPT Input Type Selection 0 j EL Jtype thermocouple 1 E EL Ktype ther
41. p 2 8 4 seconds c CJTL gt Step 3 4 seconds 4 seconds REF Step 5 E 4 4 seconds Y SR Step 6 I 118 4 seconds Step1 Calibrate Zero of A to D converter Short terminal 4 and 5 then press for at least 4 seconds The display will blink a moment If the display didn t blink then the calibration fails 50 UMOL411A Step 2 Calibrate Gain of A to D converter Send a span signal to terminal 4 and 5 with correct polarity The span signal is 60 mV for thermocouple input 1V for 0 1V input 10V for 0 10V input and 20mA for 0 20 mA input Press for at least 4 seconds The display will blink a moment If the display didn t blink then the calibration fails Step 3 Calibrate offset of cold junction Setup the equipment according to the following diagram for calibrating the cold junction compensation Note that a Kt th tb d ype thermocouple must be use Figure 5 2 Cold Junction Calibration Setup 5520A Calibrator K TC La Stay at least 20 minutes in still air room room temperature 25 3 C The 5520A calibrator is configured as K type thermocouple output with internal compensation Send a 0 00 C signal to the unit under calibration The unit under calibration is powered in a still air room with temperature 25 3 C Stay at le
42. pplications the process value is too unstable to be read To Improve this a programmable low pass filter incorporated in the L41 can be used This is a first order filter with time constant specified by FILT parameter which is contained in setup menu The FILT is defaulted to 0 5 sec before shipping Adjust FILT to change the time constant from O to 60 seconds 0 second represents no filter is applied to the input signal The filter is characterized by the following diagram PV Time Figure 3 2 Filter Characteristics UMOL411A Al 3 6 Process Alarms The output 2 will perform process alarm function and PV H A or PV L A for AL FN If PV H A is selected the alarm will perform process high alarm If PV L A is selected the alarm will perform process low alarm The process alarm sets an absolute trigger level When the process exceeds that absolute trigger level an alarm occurs The trigger level is determined by SP2 Set point 2 value and AL HY Alarm hysteresis value The hysteresis value is introduced to avoid interference action of alarm ina noisy environment Normally AL HY can be set with a minimum value 0 1 Trigger levels for process high alarm are SP2 and SP2 AL HY Trigger level for process low alarm are SP2 AL HY and Sp2 There are two types of alarm mode can be selected these are normal alarm and latching alarm Normal Alarm AL MD NORM When a normal alarm is selected the alarm output is de energized in the non alarm
43. rs Using a PC for data communication is the most economic way The signal is transmitted and received through the PC communication Port generally RS 232 Since a standard PC can t support RS 485 port a network adaptor such as SNA10A SNA10B has to be used to convert RS 485 to RS 232 for a PC if RS 485 is required for the data communication But there is no need to be sad Many RS 485 units up to 247 units can be connected to one RS 232 port therefore a PC with 4 comm ports can communicate with 988 units It is quite economic Setup Enters the setup menu Select RTU for COMM Set individual address as for those units which are connected to the same port Set the Baud Rate BAUD Data Bit DATA Parity Bit PARI and Stop Bit STOP such that these values are accordant with PC setup conditions If you use a conventional 9 pin RS 232 cable instead of CC94 1 the cable should be modified for proper operation of RS 232 communication according to Section 2 9 3 8 PV Retransmission The controller can output retransmit process value via its retransmission terminals RE and RE provided that the retransmission option is ordered A correct signal type should be selected for COMM parameter to meet the retransmission option installed AOLO and ACHI are adjusted to specify the low scale and high scale values of retransmission 44 UMOL411A 3 9 Signal Conditioner DC Power Supply Three types of isolated DC power supply ar
44. sed to 1 Reset the limit condition after the process is within the limit 2 Revert the display to the normal display 3 Reset the latching alarm once the alarm condition is removed 4 Reset the limit annunciator Note If the RESET key is left pressed only ONE reset operation will occur If the unit subsequently goes into a state where reset is required again the RESET key or remote reset contacts must be released opened and pressed closed again UNLOCK KEY R 4 seconds Press the RESET key for 4 seconds to enable up down key function and the lock indicator will be extinguished However this function is disabled when the EI input pins are closed and remote lock is selected for EIFN Event input function See section 3 11 The reference data are reset as long as the reset key is pressed for 4 seconds See section 3 13 Output 1 2 Indicator Upper Display to display process tl value menu symbol and error code etc Process Unit Indicator Tm Lower Display to display set OC i Status point value parameter value etc Indicator Brainchild umr contro 4 Buttons for ease of control setup and set point adjustment 2 4 v 4 Figure 1 2 Front Panel Display UMOL411A 9 DISPLAY FORM Table 1 2 Display Form of Characters How to display a 5 digit number For a number with decimal point the display will be shifted one digit r
45. tardant polycarbonate Dimensions 96 mm W X 96 mm H X 65 mm D 53 mm depth behind panel Weight 250 grams Approval Standards Safety FM Class 3545 Oct 1998 UL61010C 1 CSA C22 2 No 24 93 EN61010 1 IEC1010 1 Protective Class IIP65 for panel with additional option IP50 for panel without additional option IP20 for terminals and housing with protective cover All indoor use EMC EN61326 58 UMOL411A Chapter 7 Modbus Communications This chapter specifies the Modbus Communications protocol as RS 232 or RS 485 interface module is installed Only RTU mode is supported Data is transmitted as eight bit binary bytes with 1 start bit 1 stop bit and optional parity checking None Even or Odd Baud rate may be set to 300 600 1200 2400 4800 9600 14400 19200 28800 and 38400 7 1 Functions Supported Only function 03 06 and 16 are available for this series of controllers The message formats for each function are described as follows Function 03 Read Holding Registers Query from master Slave address 0 255 Function code 3 Starting address of register Hi 0 Starting address of register Lo 0 61 128 143 No of words Hi 0 No of words Lo 1 22 CRC16 Hi CRC16 Lo Function 06 Preset single Register Query from master Slave adaress 0 255 Function code 6 Register address Hi 0 Register address Lo 0 61 128 143 Data Hi Data Lo CRC16 Hi CRC16 Lo UMOL411A Respons
46. that do not affect compliance with any applicable specification Brainchild products are warranted to be free from defects in material and workmanship for two years after delivery to the first purchaser for use An extended period is available with extra cost upon request Brainchild s sole responsibility under this warranty at Brainchild s option is limited to replacement or repair free of charge or refund of purchase price within the warranty period specified This warranty does not apply to damage resulting from transportation alteration misuse or abuse RETURNS No products return can be accepted without a completed Return Material Authorization RMA form UMOL411A 69 BrainChild Electronic co Ltd No 209 Chung Yang Rd Nan Kang Dist Taipei Taiwan R O C 115 Tel 886 2 27861299 Fax 886 2 27861395 web site http www brainchild com tw
47. thermocouple ensuring that the correct polarity is observed throughout Joints in the cable should be avoided if possible 28 UMOL411A If the length of thermocouple plus the extension wire is too long it may affect the temperature measurement A 400 ohms K type or a 500 ohms J type thermocouple lead resistance will produce approximately 1 degree C temperature error ag oo va a a ofun a SSeesses DIP Switch EJ EE Fe e EL E a a Figure 2 5 Thermocouple Input Wiring 2 7 RTD Input Wiring RTD connection are shown in Figure 2 6 with the compensating lead connected to terminal 19 For two wire RTD inputs terminals 19 and 20 should be linked The three wire RTD offers the capability of lead resistance compensation provided that the three leads are of same gauge and equal length Two wire RTD should be avoided if possible for the purpose of accuracy A 0 4 ohm lead resistance of a two wire RTD will produce 1 degree C temperature error UMOL411A 29 DIP Switch 30 RTD
48. tput 1 relay will be energized and OP1 indicator will go off If the process goes above the high limit set point the relay will be de energized the OP1 indicator will go on and the display will show the process value After the process falls below the high limit set point and the RESET key is pressed or the remote reset input is applied the relay will be energized and the OP1 indicator will go off PV HSP1 HSP1 O1 HY OUT1 Relay ON OFF Se eee toe be doo l I 1 l I tt A B C Reset is applied AB C O1 HY Output1 hysteresis Figure 1 4 High Limit Operation UMOL411A 15 LOW LIMIT OPERATION If Lo is selected for OUT1 the unit will perform low limit control When power is applied the OUT1 relay is de energized After 6 5 seconds self test period if the process is above the low limit set point LSP1 the output 1 relay will be energized and OP1 indicator will go off If the process goes below the low limit set point the relay will be de energized the OP1 indicator will go on and the display will show the process value After the process rises above the low limit set point and the RESET key is pressed or the remote reset input is applied the relay will be energized and the OP1 indicator will go off LSP1 01 HY LSP1 A B C Reset is applied O1 HY Output1 hysteresis Figure 1 5 Low Limit Operation 16 UMOL411A HIGH LOW LIMIT OPERATION If Hi Lo is selected for OUT1 the unit will perform high l
49. uctors except on T C input 26 UMOL411A 2 4 Power Wiring The controller is supplied to operate at 11 26 VAC VDC or 90 250 VAC Check that the installation voltage corresponds with the power rating indicated on the product label before connecting power to the controller Near the controller a fuse and a switch rated at 2A 250VAC should be equiped as shown in the following diagram Fuse 90 90 250 VAC or P 11 26 VAC VDC 1 11 B 2 12 KO KY 3 13 89 N 4 14 19 ills 15 E ille 16 K9 EI 17116 SE 18 Fea SIE nG Y 10 20 163 Figure 2 4 Power Supply Connections A This equipment is designed for installation in an enclosure which provides adequate protection against electric shock The enclosure must be connected to earth ground Local requirements regarding electrical installation should be rigidly observed Consideration should be given to prevent from unauthorized person access to the power terminals UMOL411A 27 2 5 Sensor Installation Guidelines Proper sensor installation can eliminate many problems in a control system The probe should be placed so that it can detect any temperature ch
50. write a read only or protected data UMOL411A 61 7 3 Parameter Table Ades Nan a 0 Reservei 1 HSP High limit set point 1 1 RAW 2 LSP Low limit set point 1 1 RAV 3 SP2 Set point 2 value for output 2 1 RAW gt em 5 Reservei 6 PV H Historical max value of PV 1 7 PV LO Historical min value of PV al LH 9 NPT nput type selection 65535 RAW 0 UNIT Process unit Hoa RAW 1 RESO Display resolution o ess mw 2 IN LO Low scale value for linear input RAW 3 IN HI High scale value for linear input Ca RAW 4 SHIF PV shift offset value 1 RAV 5 FILT PV filter time constant 65535 RAW 6 TABN Accumulated time during abnormal condition 0 6553 5 R 7 OUT1 Output 1 function 65535 RAW 8 Reserve 9 Reserve 20 O1 HY Output 1 hysteresis value xo RAW 21 Reserve 22 Reserve 23 Reserve 25 Reserve 26 Reserve 27 Reserve 28 HSPL Lower limit of HSP1 29 HSPH Upper limit of HSP1 1 RAW 62 UMOL411A Parameter en en Notes Lower limit of LSP1 1 1 RAW Upper limit of LSP1 x4 1 RAW Reserved Reserved 34 AOFN Analog output function 65535 R W 35 Output 2 function 65535 RAW 36 Reserved 37 Reserved 38 Reserved 39 Communication function 0 65535 RAW 40 ADDR Address 0 65535 R W 41 BAUD Baud rate 0 65535 R W 4
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