Manual - iProcesSmart.com
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1. If NONE is selected for LOCK then no parameter is locked lf SET is selected for LOCK then all setup data are locked If USER is selected for LOCK then all setup data as well as user data refer to section 1 5 except set point are locked to prevent from being changed If ALL is selected for LOCK then all parameters are locked to prevent from being changed 3 2 Signal Input INPT Selects the sensor type or signal type for signal input Range thermocouple J K T E B R S N L RTD PT DN PT JS linear 4 20 0 20 0 60 O 1V O 5V 1 5V 0 10 UNIT Selects the process unit Range C F PU process unit If the unit is neither C nor F then selects PU DP Selects the resolution of process value Range for T C and RTD NO DP 1 DP for linear NO DP 1 DP 2 DP 3 DP INLO Selects the low scale value for the linear type input INHI Selects the high scale value for the linear type input How to use INLO and INHI If unit ordered with 4 20 mA is setup as INPT 4 20 then if SL specifies the input signal low ie 4 MA SH specifies the input signal high ie 20 MA S specifies the Current input signal value the conversion curve of the process value is shown as follows UMB41 A 31 process value Figure 3 1 Conversion Curve for Linear Type Process Value input signal Formula PV INLO INHI ANLO Example A 4 20 MA current loop pressure transducer with range 0 15 kg en is c2. Relay output 1 55rd Solid state relay drive output 2 55r Solid state relay output 3 4 eff 4 20 MA current module O17Y Output 1 signal type 411 020 0 20 MA curent 0 module 5 U IH 0 1Vvoltage module 610 5 0 5V voltage module 7 1 54 1 5Vvoltage module 8 M IM O 10V voltage T module Select BPLS bumpless transfer or 0 0 100 0 to O1FT Output 1 failure transfer continue output 1 control 0 mode function as the unit fails or select OFF 0 or ON 1 for ON OFF control Output 1 ON OFF control A 0 1C O1HY hysteresis Low 0 1 High 50 0 C 90 0 F 0 2 F CYC Output 1 cycle time Low 0 1 High 90 0 sec 18 0 OFST Offset value for P control Low O High 100 0 25 0 0 nantE No Ramp Function RAMP Ramp function selection Ai nr Te TS A 0 2 Herr Use unit nour as Ramp Rate UMB41 A 15 Parameter Notation RR Parameter Description Ramp rate Output 2 function Default Range Value 500 0 C HIQN 900 0 F Low 0 0 0 monE Output 2 No Function DEH JEL p Deviation Low Alarm PYH p ui a Process Low Alarm Deviation High Alarm Process High Alarm Cooling PID Function Output 2 signal type Relay output Solid state relay drive output Solid state relay output 4 20 MA current module O 20 MA current module O 1V voltage module O 5V voltage module 1 SV voltage module mo rt Q 10V voltage u I0 module Output 2 failure transfer
3. 1 RTD Calibration IEZ Press scroll key for at least 3 seconds The display will blink a moment otherwise the calibration fails Step 5Press scroll key and the display will show rEdH Change the ohm s value to 300 ohms Press scroll key for at least 3 seconds The display will blink a moment and two values are obtained for RTDH and RTDL step 4 Otherwise if the display didn t blink or if any value obtained for RIDH and RTDL is equal to 199 9 or 199 9 then the calibration fails Perform step 6 to calibrate offset of cold junction compensation if required Step 6 Setup the equipments according to the following diagram for calibrating the cold junction compensation Note that a K type thermocouple must be used 50 UMB41 A 5520A Calibrator TE7 K TC K Le Stay at least 20 minutes in still air room room temperature 25 A 3 LC Figure 5 2 Cold Junction Callbratlon Setup The temperature 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 least 20 minutes for warming up Perform step 1 stated above then press scroll key until the display shows Press up down key to obtain 40 00 Press scroll key for at least 3 seconds The display will blink a moment anda new value is obtained Otherwise if the display didn t blink or
4. 5 Menu Overview 12 Appendix 1 6 Parameter Descriptions 13 A 1 Error Codes 59 A 2 Warranty 60 Chapter 2 Installation 2 1 Unpacking 20 2 2 Mounting 20 2 3 Wiring precautions 22 2 4 Power Wiring 24 2 5 Sensor Installation Guidelines 24 2 6 Sensor Input Wiring 25 2 7 Control Output Wiring 20 2 8 Alarm Wiring 28 2 9 Process Retransmission 28 2 10 Data Communications 29 3s LOCKOUT lt teqcsee cseneeeeeces 3 3 2 Signal Input 3 3 3 Control Outputs 32 3 4 Alarm o 3 5 Configure User Menu 38 3 6 RAMP e esceeeeeeeseeeseeestees 39 3 7 Dwell Timer 40 3 8 PV Shift 41 3 9 Digital Filter 41 3 10 Failure Transfer 42 3 11 Auto tuning 43 3 12 Manual tuning 44 3 13 Manual Control 45 3 14 Data communication 47 3 15 PV Retransmission 47 UMB41 A 3 Chapter 1 Overview 1 1 General The Fuzzy Logic plus PID microprocessor based controller series incorporate two bright easy to read 4 digit LED displays indicating process value and set point value The Fuzzy Logic technology enables a process to reach a predetermined set point in the
5. Band PB High overshoot or 1 OV Increase PB Oscillations Slow Response Decrease TI 2 Integral Time TI Instability or pra Increase TI Oscillations Slow Response or 3 Derivative Time TD Oscillations Decrease TD Table 3 2 PID Adjustment Guide Figure 3 9 shows the effects of PID adjustment on process response 3 13 Manual Control Operation To enable manual control the LOCK parameter should be set with NONE then press for 4 2 seconds HAr Hand Control will appear on the display Release key and depress Press for 3 seconds then the MAN indicator will begin to flash and the lower display will show The controller now enters the manual control mode indicates output control variable for output 1 and indicates control variable for output 2 Now you can use up down key to adjust the percentage values for the heating or cooling output The controller performs open loop control as long as it stays in manual control mode Exit Manual Control press key the controller will revert to its normal display mode UMB41 A 45 PV PB too low Set point P action PB too high Time Tl too high PV Set point action Ideal Tl too low Time PV TD too low Set point D action TD too high Time Figure 3 9 Effects of PID Adjustment 46 UMB41 A 3 14 Data Communication The controllers support RTU mode of Modbus protocol for the data communication Other protocols are not a
6. Set the LOCK value to your desired function 50 UMB41 A Chapter 5 Specifications Power 90 250 VAC 47 63 Hz 12VA 5W maximum 11 26 VAC VDC 12VA 5W maximum Input Resolution 18 bits Sampling Rate 9 times second Maximum Rating 2 VDC minimum 12 VDC maximum 1 minute for MA input Temperature Effect 1 5UV C for all inputs except MA input 3 0uV C for MA input Lead Resistance Effect T C 0 2UV ohm 3 wire RTD 2 6 C ohm of resistance difference of two leads 2 wire RID 2 6 C ohm of resistance sum of two leads Burn out Current 200 mA Common Mode Rej 120dB Normal Mode Rej 55qB Sensor Break Detection Sensor open for TC RTD and mV inputs Sensor short for RTD input 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 mV inputs 0 1 second for 4 20 MA and 1 5 V inputs UMB41 A 53 Characteristics EREHE EE S a vada 2 2 MQ 0 C 1800 C 2 32F 3272F 2C 2 2 MQ 0 C 1767 8 C 32 BF 3214F 2 2 MQ 0 C 1767 8 C 32 BF 3214F 2 2 MQ 250 C 1300 C 418 F 2372 Ea 2 2 MQ 200 C 900 C L 328 F 1652 F 42C 22 MQ PT100 210 C 700 C PTTOO 200 C 600 C JIS 328 F 1112 F H04C 13Ka 8mV 70mV 0 05 94 UMB41 A Output 1 Output 2 Relay Rating 2A 240 VAC life cycles 200 000 for resistive load Pulsed Voltage source
7. a temperature of 0 200 F unit would be setup as RELO O for 4 ma equals O F REHI 200 for 20 ma equals 200 F This output would typically go to a recorder PLC indicator etc UMB41 A 47 Chapter 4 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 recalibration unless you have appropriate calibration equipment If calibration data is lost you will need to return the controller to your supplier who may charge you a service fee to re calibrate the controller A Entering calibration mode will break the control loop Verify that the system is acceptable to apply calibration mode Equipments needed before calibration 1 Ahigh accuracy calibrator Fluke 5520A Calibrator recommended with following functions O 100 MV millivolt source with 0 005 accuracy 0 10 V voltage source with 0 005 accuracy O 20 MA current source with 0 005 accuracy O 300 ohm resistant source with 0 005 accuracy 2 Atest chamber providing 25 C 50 C temperature range Required only if controller wnere located Is at an ambient temperature of 50C The calibration procedures described in the following section are a step by step manual procedures since it needs 30 minutes to warm up an unit before calibration calibrating the unit one by one is quite inefficient An automatic calibration syst
8. adjusted UP KEY 4 This key is used to increase the value of selected parameter DOWN KEY v This key is used fo decrease the value of selecied parameter RESET KEY This key is used to 1 Revert the display to display the process value 2 Reset the latching alarm once the alarm condition is removed 3 Stop the manual control mode auto tuning mode and calibration mode 4 Clear the message of communication error and auto tuning error 5 Restart the dwell timer when the dwell timer has been time out 6 Enter the manual control menu during failure mode occurs ENTER KEY Press for 5 seconds or longer Press for 5 seconds to 1 Ener setup menu The display shows 2 Enter manual control mode during manual control mode is selected 3 Enter auto tuning mode during auto tuning mode is selected 4 Perform calibration to a selected parameter during the calibration procedure Press O for 6 2 seconds to select manual control mode Press for 7 4 seconds to select auto tuning mode Press a for 8 6 seconds to select calibration mode 10 UMB41 A Alarm Upper Display to display process value Indicator menu symbol and error code etc Output 2 Process Unit Indicator Indicator Output Indicator Manual Lower Display Mode to display set point value Indicator parameter value or Auto tuning control output value etc Indicator 4 Buttons for ease of control setup and set p
9. if the obtained value is equal to 5 00 or 40 00 then the calibration fails x Perform step 7 to calibrate gain of cold junction compensation if required Step 7 Setup the equipments same as step 6 The unit under calibration is powered 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 UMB41 A 5 Perform step 1 stated above then press scroll key until the display shows Press scroll key for at least 3 seconds The display will blink a moment and a new value is obtained Otherwise if the display didn t blink or if the obtained value is equal to 199 9 or 199 9 then the calibration fails This setup is performed in a high temperature chamber hence it is recommended to use a computer to perform the procedures Input modification and recalibration procedures for a linear voltage or a linear current input 1 Remove R60 3 3K and install two 1 4 W resistors RA and RB on the control board with the recommended values specified in the following table The low temperature coefficient resistors should be used for RA and RB 2 Perform Step 1 and Step 2 to calibrate the linear input zero 3 Perform Step 3 but send a span signal to the input terminals instead of 60mV The span signal is 1V for O 1V input 5V for O 5V or 1 SV input 10V for O 10V input and 20MA for O 20mA or 4 20MA input x Final step Step 8
10. provides no warranty or representations of any sort regarding the fitness of use or application of its products by the purchaser Users are responsible for the selection suitability of the products for their application or use of Future Design Controls products Future Design Controls shall not be liable for any damages or losses whether direct indirect incidental special consequential or any other damages costs or expenses excepting only the cost or expense of repair or replacement of Future Design Control products as described below Future Design Controls sole responsibility under the warranty at Future Design Controls option is limited to replacement or repair free of charge or refund or purchase price within the warranty period specified This warranty does not apply to damage resulting from transportation alteration misuse or abuse Future Design Controls reserves the right to make changes without notification to purchaser to materials or processing that do not effect compliance with any applicable specifications Return Material Authorization Contact Future Design Controls for Return Material Authorization prior to returning any product to our facility Future Design Controls Inc
11. shortest time with the minimum of overshoot during power up or external load disturbance The B41 is a board level designed process controller The unit is powered by 90 250 VAC supply or 11 26VAC VDC optionall incorporating a 2 amp control relay output as standard The second output can be used as cooling control or an alarm Both outputs can select triac 5V logic output linear current or linear voltage to drive external device There are six types of alarm plus a dwell timer can be configured for the third output The units are fully programmable for PT100 and thermocouple types J K T E B R S N L with no need to modify the unit The input signal is digitized by using a 18 bit A to D converter Its fast sampling rate 5 scans second allows the unit to control fast processes Digital communications RS 485 or RS 232 are available as an additional option These options allow the units to be integrated with supervisory control system and software Process Retransmission option is available in place of communication option Mutually exclusive A programming port is available for automatic configuration calibration and testing without the need to access the keys on front display board By using proprietary Fuzzy modified PID technology the control loop will minimize the overshoot and undershoot in a shortest time The following diagram is a comparison of results with and without Fuzzy technology 4 UMB41 A PID control
12. with the power rating indicated on the product label before connecting power to the controller TEV TE2 Fuse o gt 90 250 VAC or eee 11 26 VAC VDC Figure 2 6 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 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 change 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 can provide an average temperature readout and produce better results in most air heated processes UMB41 A Proper sensor type is also a very important factor to obtain precise measurements The sensor must have the co
13. 100 0 In the steady state ie process has been stabilized if the process value is lower than the set point a definite value say 5 LC while 20 LC is used for PB that is lower 25 UMB41 A 33 then increase OFST 25 and vice versa After adjusting OFST value the process value will be varied and eventually coincide with set point Using the P control Tl set to 0 the auto tuning is disabled Refer to section 3 12 manual tuning for the adjustment of PB and TD Manual reset adjust OFST is not practical because the load may change from time to time and often need to adjust OFST repeatedly The PID control can avoid this situation Heat only PID control Selecting REVR for OUTI PB and TI should not be zero Operate auto tuning for the new process or set PB TI and TD with historical values See section 3 11 for auto tuning operation If the control result is still unsatisfactory then use manual tuning to improve the control See section 3 12 for manual tuning The unit contains a very clever PID and Fuzzy algorithm to achieve a very small overshoot and very quick response to the process if it is properly tuned Cool only control ON OFF control P PD control and PID control can be used for cool control Set OUTI to DIRT direct action The other functions for cool only ON OFF control cool only P PD control and cool only PID control are same as descriptions for heat only control except that the output variable a
14. 2 OUT2 Action Figure 3 4 Output 2 Process ume Low Alarm 36 UMB41 A 3 4 Alarm The controller has one alarm output There are 6 types of alarm functions and one dwell timer can be selected and four kinds of alarm modes ALMD are available for each alarm function ALFN Besides the alarm output the output 2 can also be configured as another alarm But output 2 only provides 4 kinds of alarm functions and only normal alarm mode is avaiable for this alarm A process alarm sets two absolute trigger levels When the process is higher than SP3 a process high alarm PV HI occurs and the alarm is Off as the process is lower than SP3 ALHY When the process is lower than SP3 a process low alarm PV LO occurs and the alarm is off as the process is higher than SP3 ALHY A process alarm is independent of set point A deviation alarm alerts the user when the process deviates too far from set point When the process is higher than SV 5P3 a deviation high alarm DE HI occurs and the alarm is off as the process is lower than SV SP3 ALHY When the process is lower than SV SP3 a deviation low alarm DE LO occurs and the alarm is off as the process is higher than SV SP3 ALHY Trigger level of deviation alarm is moving with set point A deviation band alarm presets two trigger levels relative to set point The two trigger levels are SV SP3 and SV SP3 for alarm When the process is higher than SV SP3 or lower than SV S
15. ALFT The unit will enter failure mode when sensor break occurs or if the A D converter of the unit fails 3 5 Configure User Menu This series has the flexibility for you to select those parameters which are most significant to your application These parameters are able to be put in the front of display sequence for ease of access SEL1 SEL8 Selects the parameter for view and change in the user menu Range LOCK INPT UNIT DP SHIF PB TI TD O1HY CYC 1 OFST RR O2HY CYC2 CPB DB ADDR ALHY When using the up down key to select the parameters you may not obtain all of the above parameters The number of visible parameters is dependent on the setup condition The hidden parameters for the specific application are also deleted from the SEL selection 38 UMB41 A Example OUT2 selects DELO PB 100 0 SEL1 selects INPT SEL2 selects UNIT SEL3 selects PB SEL4 selects TI SEL5 SEL8 selects NONE Now the upper display scrolling becomes 1 See 274 S HPE Pe oe Er Pb 3 6 Ramp The ramping function is performed during power up as well as any time the set point is changed Choose MINR or HRR for RAMP the unit will perform the ramping function The ramp rate is programmed by adjusting RR The ramping function is disabled as soon as the failure mode the manual control mode the auto tuning mode or the calibration mode occurs Example without Dwell Timer Select MINR for RAMP selects C for UNIT selects 1 DP fo
16. Auto transfer to manual mode while sensor break or A D converter damage O 900 0 F minute or O 900 0 F hour ramp rate First order O 0 2 0 5 1 2 5 10 20 30 60 seconds programmable UMB41 A 57 Environmental amp Physical Operating Temperature 10 C t o 50 C Storage Temperature 40 C to 60 C Humidity Oto 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 EMC EN61326 58 UMB41 A Table A 1 Error Codes and Corrective Actions Displ m ha Error Description Corrective Action legal setup values been used Check and correct setup values of Before COOL is used for OUT2 OUT 2 PB Tl and OUTI IF OUT2 DIRT cooling action has is required for cooling control the alreadybeen used for OUTI control should use PID mode PB or PID mode is not used for OUT O Tl 0 and OUTI should that is PB 0 and orTl 0 use reverse mode heating action otherwise don t use OUT2 for cooling control Communication error bad Correct the communication function code software to meet the protocol requirements Don t issue an over range register address to the slave Communication error attempt Don t write a read only data or a to write a read only data or a protected data to the slave protected
17. DC PV Retransmission on ig 0 10 VDC UMB41 A PV Retransmission i Parameter Notation ADDR BAUD Parameter Description Address assignment of digital communication Baud rate of digital communication Data bit count of digital communication Parity bit of digital communication Low 0 104 6 2 46 3 144 4 180 5 ch 6 355 19 2 Kbits s baud rate Range Default Value High 255 2 4 Kbits s baud rate 4 8 Kbits s baud rate 9 6 Kbits s baud rate 14 4 Kbits s baud rate 2 28 8 Kbits s baud rate 38 4 Kbits s baud rate 7 data bits 8 data bits Even parity Odd parity No parity bit Stop bit count of digital communication One stop bit Two stop bits PV Retranmission Low 19999 High 45486 Low Value 0 REHI PV Retranmission Low 19999 High 45486 93 3 C High Value 200 0 F 0 mom No parameter selected 2 1 oc LOCK is put ahead 21 NPE INPTis put ahead SELI Select 1 st parameter for 3 ums E UNIT is put ahead ee ne 4 dF DP is put ahead 5 SH E SHIF is put ahead 6 Ph PB is put ahead 7 H lis put ahead 18 UMB41 A Default Prameter Parameter Description Range Value Notation TD is put ahead O1HY is put ahead CYCI is put ahead 11 gF SE OFST is put ahead 12 rm RR is put ahead Select 1 st parameter for z 14L YE CYC2 is put ahead 15 Ph C
18. Load 4 20mA 500 ohms Figure 2 14 Output 2 Linear Current UMB41 A 27 Control Output 2 Wiring Con d Minimum Load 1 5V 0 10V 10 K ohms Figure 2 15 Output 2 Linear Voltage 2 8 Alarm Wiring TES Com LOAD jnqyr4ovac N O Mains Supply N C Figure 2 16 Alarm Output to Drive Load 2 9 Process Retransmission Output to 0 20 4 20ma Recorder 0 5 1 5VDC 0 10v6pc PLC Etc Load Resistance O 500 ohms for current output 10 K ohms minimum for voltage output Figure 2 17 Retransmission Output Wiring 2 UMB41 A 2 9 Data Communication RS 485 to RS 232 TE6 network adaptor SNATOA a B RS 232 TX m KONX po Twisted Pair Wire 12 h DB9M DB9F 6 m Max 247 units can be linked IEO 3 a Pane Figure 2 18 RS 485 Wiring UMB41 A 29 RS 232 TE6 TXD RXD COM m od CC94 1 Figure 2 19 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 Female DB 9 9 RI Figure 2 20 Configuration of RS 232 Cable 30 UMB41 A Chapter 3 Programming Press for 5 seconds and release to enter setup menu Press to select the desired parameter The upper display indicates the parameter symbol and the lower display indicates the selected value of parameter 3 1 Lockout There are four security levels can be selected by using LOCK parameter
19. P3 a deviation band high alarm DB HI occurs When the process is within the trigger levels a deviation band low alarm DB LO occurs In the above descriptions SV denotes the current set point value for control which is different from SPI as the ramp function is performed There are four types of alarm modes available for each alarm function these are Normal alarm Latching alarm Holding alarm and Latching Holding alarm They are described as follows UMB41 A 37 Normal Alarm ALMD NORM When a normal alarm is selected the alarm output is de energized in the non alarm condition and energized in an alarm condition Latching Alarm ALMD LICH If a latching alarm is selected once the alarm output is energized it will remain unchanged even if the alarm condition is cleared The latching alarm is reset when the RESET key is pressed once the alarm condition is removed Holding Alarm ALMD HOLD A holding alarm prevents an alarm from power up The alarm is enabled only when the process reaches the set point value Afterwards the alarm performs same function as normal alarm Latching Holding Alarm ALMD LT HO A latching holding alarm performs both holding and latching function The latching alarm is reset when the RESET key is pressed once the alarm condition is removed Alarm Failure Transfer is activated as the unit enters failure mode Alarm will go on if ON is set for ALFT and go off if OFF is set for
20. PB is put ahead 16 db DB is put ahead 17 Addr ADDR is put ahead 18 A H Y ALHY is put ahead Select 2 nd parameter SEL2 Pa Same as SEL 3 Select 3 rd parameter SEL3 forus r menu Same as SEL 4 Select 4 th parameter SEL4 oru Mini Same as SEL 6 Select 5 th parameter for user menu Same as SEL 7 Select 6 th parameter for user menu same as SEL 8 Select 7 th parameter Far user menu Same as SEL 10 Select 8 th parameter SMENU same as SELI 17 UMB41 A 19 Chapter 2 Installation A Dangerous voltages capable of causing death are sometimes present in this instrument Before installation or beginning any troubleshooting procedures the power to all equipment must be switched off and isolated Units suspected of being faulty must be disconnected and removed to a properly equipped workshop for testing and repair Component replacement and internal adjustments must be made by a qualified maintenance person only A To minimize the possibility of fire or shock hazards do not expose this instrument to rain or excessive moisture A Do 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 5 2 1 Unpacking Upon receipt of the shioment remove the unit from the carton and inspect the unit for shipping damage If any damag
21. User s Manual TRSARS 1 3A m A s E 5 OOF eae t C O env 3 A An gt 5 mininin TE NY TA D FDC B41 Board PID Process Temperature Controller f FuTUREDESIGN Warning Symbol A This 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 e Installers Read Chapter 1 2 e System Designer Read All Chapters e User Read Page 12 NOTE It is strongly recommended that a process should incorporate a LIMIT CONTROL like the FDC L91 which will shut down the equioment at a preset process condition in order to preclude possible damage to products or system Information in this users manual is subject to change without notice Copyright May 2006 Future Design Controls 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 Future Design Controls 2 UMB41 A Contents Page No Page No Chapter 1 Overview Chapter 4 Calibration 48 1 1 General 4 M eee es an 4 Chapter 5 Specifications 53 1 4 Keys and Displays 10 1
22. Voltage 5V current limiting resistance 66 2 Linear Output Characteristics Zero span 4 20 mA 3 8 4 MA 20 21 MA 0 20 MA 20 21 MA 0 95 1V 5 5 25V Linear Oufput Resolution Output Regulation Output Settling Time Isolation Breakdown Voltage Temperature Effect Triac SSR Output Rating Inrush Current Min Load Current Max Off state Leakage Max On state Voltage Insulation Resistance Dielectric Strength Load Capacity 9000 max 9000 Max 10 KQ min 10 KQ min 10 KQ min 1 5Bits 0 02 for full load change 0 1 sec stable to 99 9 1000 VAC 0 01 of SPAN C 1A 240 VAC 20A for 1 cycle 50 MA rms 3 MA rms 1 5 V rms 1000 Mohms min at 500 VDC 2500 VAC for 1 minute UMB41 A 55 DC Voltage Supply Characteristics Installed at Output 2 Max Output Ripple Isolation 500 vac Alarm Alarm Relay Alarm Functions Alarm Mode Dwell Timer Form C Rating 2A 240VAC 200 000 cycles for resistive load Dwell timer PV High Low Alarm Deviation High Low Alarm Deviation Band High Low Alarm Normal Latching Hold Latching Hold 0 1 4553 6 minutes Data Communications Interface Protocol Address Baud Rate Data Bits Parity Bit Stop Bit Comm Buffer RS 232 1 unit RS 485 Up to 247 units Modbus Protocol RTU mode 247 2 4 38 4 Kbits sec 7 or 8 bits None Even or Odd 1 of 2 bits 160 bytes Analog Retr
23. alibration menu The user menu shown in the flow chart is corresponding to the default setting for the SEL parameters SELI to SEL8 SP3 will be hidden if NONE is selected for ALFN SP2 will be hidden if alarm function is not selected for OUT2 The unused parameter will be hidden even if it is selected by SEL parameters 12 UMB41 A 1 6 Parameter Descriptions Parameter inti Default SP1 Set point for output 1 Low SPIL High SP1H Set point for output 2 SP2 when output 2 performs Low 19999 High 45536 alarm function Set point for alarm or inh SP3 dwell timer output Low 19999 High 45536 No parameter is locked Setup data are LOCK Select parameters to be locked locked Setup data and User data except Set point are locked Z All data are locked OJ EC J type thermocouple 1 _EL K type thermocouple 2E E E Ttype thermocouple 3 EC Etype thermocouple 44 EC Btype thermocouple 5r EL R type thermocouple 6 5 ECL Stype thermocouple 7n t C N type thermocouple 8 LE L type thermocouple INPT Input sensor selection 9 PEdnv PT 100 ohms DIN NOTE Input Selection 11 17 of Linear ma VDC Require special order only See Matrix Page 10 PEJS 11 4 20 Curve PT 100 ohms JIS Curve 4 20 MA linear current input 0 20 MA linear current input 0 60 mV linear millivolt input u 0 1V linear voltage uj m UMB41 A input 0 5V linear voltage in
24. ansmission Functions Output Signal Resolution Accuracy Load Resistance Regulation Settling Time Breakdown Volts Linearity Error Temp Effect saturation Low saturation High Output Range 56 Process Variable 4 20 MA 0 20 MA O 5V 1 5V O 10V 15 bits 0 05 of span 0 0025 C O 500 ohms for current output 10 K ohms minimum for voltage output 0 01 for full load change 0 1 sec stable to 99 9 1000 VAC min 0 005 of span 0 0025 of span C O mA or OV 22 2 MA or 5 55V 11 1V min 0 22 2MA 0 20MA or 4 20MA O 5 55V 0 5V 1 SV O 11 1 V 0 10V UMB41 A User Interface Display Keypad Programming Port Communication Port Control Mode Output 1 Output 2 ON OFF P or PD PID Cycle Time Manual Control Auto tuning Failure Mode Ramping Control Digital Filter Function Time Constant Dual 4 digit LED Displays 4 keys Allows configuration with out display Connection to PC for supervisory Control Reverse heating or direct cooling action PID cooling control cooling P band 50 300 of PB dead band 36 0 36 0 of PB 0 1 90 0 F hysteresis control P band 0 O 100 0 offset adjustment Fuzzy logic modified Proportional band 0 1 900 0 F Integral time O 1000 seconds Derivative time O 360 0 seconds 0 1 90 0 seconds Heat MV1 and Cool MV2 Cold start and warm start
25. are hidden 40 UMB41 A 3 8 PV Shift In certain applications it is desirable to shift the controller display value from its actual value This can be easily accomplished by using the PV shift function The SHIF function will alter PV only Example If process variable is reading a value of 195 degrees and needs to match another indicator reading 200 The value of 5 can be installed in the SHIFT parameter This will now ADD a 5 degree value to current reading allowing controller to read 200 degrees A negative value can also be used to subtract from controller current reading 3 9 Digital Filter In certain application the process value is too unstable to be read To improve this a programmable low pass filter incorporated in the controller can be used This is a first order filter with time constant specified by FILT parameter The default value of FILT is 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 FILI G 1 sec Ls oo FILT 30 sec Figure 3 8 Filter Characteristics Note The Filter is available only for PV and is performed for the displayed value only The controller is designed to use unfiltered signal for control even if Filter is applied A lagged filtered signal if used for control may produce an unstable process UMB41 A 41 3 10 Failure Transf
26. data Communication error write a Don t write an over range data value which is out of range to a to the slave register register 1 The PID values obtained after auto funing procedure are out of range Retry auto tuning 2 Don t change set point value during auto tuning procedure Fail to perform auto tuning function 3 Use manual tuning instead of auto tuning 4 Don t set a zero value for PB 5 Don t set a zero value for TI 6 Touch RESET key E E PE EEPROM can t be written correctly Return to factory for repair Cold junction compensation for Return to factory for repair thermocouple malfunction Input sensor break or input current below 1 MA if 4 20 MA is Ha selected or input voltage below SEDIA EIA O SENSO 0 25V if 1 5V is selected A to D converter or related 40 Rae component s malfunction Return to factory for repair UMB41 A 59 Warranty and Return Statement Warranty Future Design Controls products described in this brochure are warranted to be free from functional defects in material and workmanship at the time the products leave Future Design Controls facilities and to conform at that time to the specifications set forth in the relevant Future Design Controls manual sheet or sheets for a period of TWO years after delivery to the first purchaser There are no expressed or implied Warranties extending beyond the Warranties herein and above set forth Limitations Future Design Controls
27. e 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 control 2 2 Mounting Make panel mounting to dimensions shown in Figure 2 1 2 2 UMB41 A 20 Figure 2 1 Mounting Dimensions Dimensions of Main Processor Board Dimensions shown in millimeters 45 00 0 00 oko 00 Ow O S O q N 14 00 24 00 34 00 44 00 45 00 Dimensions of Display Board Dimensions shown in millimeters O O oog S o S S o O S o O O NN lt t O 50 00 5900 45 00 40 90 0 00 45 00 50 00 p 4 00 4 a o 2 g 8 2 s Figure 2 2 Mounting Dimensions 3 900 8 8 3019 88 7 NO O A 4 0014 UMB41 A 21 Figure 2 3 Dimension of Mounting plate for Display Board Dimensions shown in millimeters 43 5017 412 004 30 00 Om 30 00 j o O lO LO O Nej OWO lop a M 2 3 Wiring Precautions x Before wiring verify the label for correct model number and options Switch off the power while checking Care must be taken to ensure that maximum voltage rating specified on the label are not exceeded x It is recommended that power of these units to be protected by fuses or circuit breakers rated at the mini
28. em for small quantity as well as for unlimited quantity is available Consult factory 48 UMB41 A Manual Calibration Procedures x Perform step 1 to enter calibration mode Step 1 Set the Lock parameter to the unlocked condition LOCK NONE Press and hold the scroll key until appears on the display then release the scroll key Press the scroll key for 2 seconds then release the display will show Adi a and the unit enters calibration mode x Perform step 2 to calibrate Zero of Ato D converter and step 3 to calibrate gain of A to D converter Step 2 Short the thermocouple inpt terminals then press scroll key for at least 3 seconds The display will blink a moment and a new value is obtained Otherwise if the display didn t blink or if the obtained value is equal to 199 9 or 199 9 then the calibration fails Step 3 Press scroll key until the display shows AdH Send a 60 MV signal to the thermocouple input terminals in correct polarity Press scroll key for at least 3 seconds The display will blink a Moment and a new value is obtained Otherwise if the display didn t blink or if the obtained value is equal to 199 9 or 199 9 then the calibration fails Perform both steps 4 and 5 to calibrate RTD function if required for input UMB41 A 49 Step 4Press scroll key until the display shows Send a 100 ohms signal to the RTD input terminals according to the connection shown below 100 ohms i Figure 5
29. er The controller will enter failure mode as one of the following conditions OCCUIS 1 SBER Occurs due to the input sensor break or input current below ImA if 4 20 MA is selected or input voltage below 0 25V if 1 5 Vis selected 2 ADER occurs due to the A D converter of the controller fails The output 1 and output 2 will perform the failure transfer function as the controller enters failure mode Output 1 Failure Transfer if activated will perform 1 If output 1 is configured as proportional control PB 0 and BPLS is selected for O1FT then output 1 will perform bumpless transfer Thereafter the previous averaging value of MV1 will be used for controlling output 1 2 IF output 1 is configured as proportional control PB 0 and a value of 0 to 100 0 is set for O1FT then output 1 will perform failure transfer Thereafter the value of O1FT will be used for controlling output 1 3 If output 1 is configured as ON OFF control PB O then output 1 will transfer to off state if OFF is set for O1FT and transfer to on state if ON is set for O1FT Output 2 Failure Transfer if activated will perform 1 If OUT2 is configured as COOL and BPLS is selected for O2FT then output 2 will perform bumpless transfer Thereafter the previous averaging value of MV2 will be used for controlling output 2 2 If OUT2 is configured as COOL and a value of O to 100 0 is set for O2FT then output 2 will perform failure transfer The
30. hen connected to a PC running FDC Set software can be used to configure the unit without the need for the display board Auto tune The auto tune function allows the user to simplify initial setup for a new system A clever algorithm is provided to obtain an optimal set of control parameters for the process and if can be applied either as the process is warming up cold start or as the process has been in steady state warm start Lockout Protection According to actual security requirement one of four lockout levels can be selected to prevent the unit from being changed abnormally Bumpless Transfer Bumpless transfer allows the controller to continue to control by using its previous value as the sensor breaks Hence the process can be well controlled temporarily as if the sensor is normal Soft start Ramp The ramping function is performed during power up as well as any time the set point is changed If can be ramping up or ramping down The process value will reach the set point with a predetermined constant rate Digital Filter A first order low pass filter with a programmable time constant is used to improve the stability of process value This is particularly useful in certain application where the process value is too unstable to be read SEL Function The units have the flexibility for user to select those parameters which are most significant to him and put these parameters in the front of display sequence The
31. ltage to drive SSR 14V 40mA A Special order 00 N O OIAR W NM O NO UMB41 A 7 Accessories OM94 6 Isolated 1A 240VAC Triac Output Module SSR OM94 7 14V 40MA SSR Drive Module OM95 3 Isolated 4 20 MA 0 20 MA Analog Output Module OM95 4 Isolated 1 5V 0 5V Analog Output Module OM95 5 Isolated 0 10V Analog Output Module CM94 1 Isolated RS 485 Interface Module CM94 2 Isolated RS 232 Interface Module CM94 3 Isolated 4 20 MA 0 20 mA Retrans Module CM94 4 Isolated 1 5V 0 5V Retrans Module CM94 5 Isolated 0 10V Retrans 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 CC91 2 Programming Port Cable Related Products SNA1OA Smart Network Adaptor for third party software which converts 255 channels of RS 485 or RS 422 to RS 232 SNA12A Smart Network Adapter for programming port to RS 232 interface FD Set Free Configuration Software 8 UMB41 A 1 3 Programming Port OVANGC 06 lt a fo a a a a Figure 1 2 Programming Port Overview Programming Port The programming port is used for off line automatic setup and testing procedures only Do NOT attempt to make any connection to these pins when the unit is in normal operation UMB41 A 9 1 4 Keys and Displays KEYPAD OPERATION SCROLL KEY This key is used to select a parameter to be viewed or
32. mode Select BPLS bumpless transfer or 0 0 100 0 to continue output 2 control function as the 0 unit fails or select ON 0 or OFF 1 for alarm function Output 2 hysteresis value when output 2 imine DU OPC performs alarm on nigh 90 0 F 0 2 F function CYC Output 2 cycle time Low 0 1 High 90 0 sec 18 0 Cooling proportional ih CPB bond valie Low 50 High 300 100 UMB41 A Parameter inti Default Notation Parameter Description Range TEPS Heating cooling dead l DB band negative value Low 36 0 High 36 0 0 overlap Onon E No alarm function 1 ky nr Dwell timer action 2 dEH Deviation high alarm 3 dEl a Deviation low alarm ALFN alarm output band alarm 2 5 dhl o Deviation band in band alarm 6 PUL Process value high alarm 7 py o Process value low alarm 0 morn Normal alarm action 1 LEcA Latching alarm ALMD Alarm operation mode action 0 2 Hel d Hold alarm action 3 LEHa Latching amp Hold action Hysteresis control of n 500C 0 1 C ALHY aam Low 0 1 High 90 0 F 0 2 F 0 Or Alarm output ON as ALFT Alarm failure transfer unit fails 0 mode 1 ZE Alarm output OFF as OFT unit fails a 0 monE No communication COMM Communication 1 function 1 rk Modbus RTU mode protocol 2 W Am 4 20 MA 4 a PV Retransmission 3m anm gt 0 20mA UCU PV retransmission 411 54 0 5VDC PV Retransmission 5 1 54 gt 1 5V
33. mum value possible x 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 voltage current and temperature rating of the system Beware not to over tighten the terminal screws 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 5 are not exceeded UMB41 A 22 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 2 0mm 0 08 max ed 5 Figure 2 3 Lead Termination k 4 5 7 0 mm 0 18 0 27 O TE6 Comms Retrans 2 Dvh0G2 06 LdO O Z S dO ON 0 TE7 Sensor Input WIV ON ON O PIB PIB PTA TC 1C Figure 2 4 Terminal Connection UMB41 A 23 24 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
34. nd action for the cool control is inverse to the heat control NOTE The ON OFF control may result excessive overshoot and undershoot problems in the process The P or PD control will result in a deviation process value from the set point It is recommended to use PID control for the Heat Cool control to produce a stable and zero offset process value Other Setup Required O1TY CYC1 O2TY CYC2 O1FT O2FT OI1TY amp O2TY are set in accordance with the types of OUT amp OUT2 installed CYCI CYC2 are selected according to the output 1 type OITY output 2 type O2TY Generally selects 0 5 2 sec for CYCI if SSRD or SSR is used for O1TY 10 20 sec if relay is used for O1TY and CYCI is ignored if linear output is used Similar condition is applied for CYC2 selection 34 UMB41 A You can use the auto tuning program for the new process or directly set the appropriate values for PB Tl amp TD according to the historical records for the repeated systems If the control behavior is still inadequate then use manual tuning to improve the control See section 3 12 for manual tuning CPB Programming The cooling proportional band is measured by of PB with range 50 300 Initially set 100 for CPB and examine the cooling effect If cooling action should be enhanced then decrease CPB if cooling action is too strong then increase CPB The value of CPB is related to PB and its value remains unchanged throughout the auto
35. oint adjustment Figure 1 3 Front Panel Description Table 1 1 Display Form of Characters AJALELELI LIN als 5X Blaff Ejs slOfolT fely 4 c Ejefejk eje Pju u z cle Hi aj je ye ie Ol dt hlAlmfalRi jw l V Confused Character Display program code of the product OP1 OP2 ALM for 2 5 seconds 0 O O The left diagram shows program no 12 for B41 with version 26 Figure 1 4 Display of Initial Stage UMB41 A 11 1 5 Menu Overview User Setup Manual nice tuning Calibration menu menu Mode Mode AN 6 2 sec 7 4 sec 8 6 sec 9 8 sec pany Cece ig E TA Ez Release 3 then press for 3 seconds q ae 4 to start RIDL auto tuning c RIDH mode qa 5 lt 2 CJHI Press for 3 seconds ear Press for manual control 3 seconds o perform calibration A Apply these modes will break the control loop and change some of the previous setting data Make sure that if the system is allowable to apply these modes The flow chart shows a complete listing of all parameters For actual application the number of available parameters depends on setup conditions and should be less than that shown in the flow chart 2 You can select at most 8 parameters put in the user menu by using SEL SEL8 contained at the bottom of setup menu 3 Release 2 press again for 2 seconds or longer but not longer than 3 seconds then release to enter the c
36. onnected to input then perform the following setup INPT 4 20 INLO 0 00 INHI 15 00 DP 2 DP Of course you may select other value for DP to alter the resolution 3 3 Control Outputs There are 4 kinds of control modes can be configured as shown in Table 3 1 Table 3 1 Heat Cool Control Setup Value Control Modes Heat only REVR Cool only DIRT Heat PID Cool ON OFF REVR DEH Heat PID CO PID REVR COOL x X Don t care Xr Required if ON OFF control O Adjust to met process is Configured requirements 32 UMB41 A Heat Only ON OFF Control Select REVR for OUT1 Set PB to O O1HY is used to adjust dead band for ON OFF control The output 1 hysteresis O1HY is enabled in case of PB O The heat only on off control function is shown in the following diagram PV SP1 Dead band O1HY SPI OIHY OUTI Action Time OFF Time Figure 3 2 Heat Only ON OFF Control The ON OFF control may introduce excessive process oscillation even if hysteresis is minimized to the smallest If ON OFF control is set ie PB 0 Tl TD CYC1 OFST CYC2 CPB DB will be hidden and have no function to the system The auto tuning mode and bumpless transfer will be disabled too Heat only P or PD control Select REVR for OUTI set TI to O OFST is used to adjust the control offset manual reset O1HY is hidden if PB is not equal to 0 OFST Function OFST is measured by with range O
37. ping function if used will be disabled once auto tuning is proceeding The auto tuning mode is disabled as soon as either failure mode or manual control mode occurs UMB41 A 43 Procedures The auto tuning can be applied either as the process is warming up Cold Start or as the process has been in steady state Warm Start After the auto tuning procedures are completed the AT indicator will cease to flash and the unit revert to PID control by using its new PID values The PID values obtained are stored in the nonvolatile memory Auto Tuning Error If auto tuning fails an ATER message will appear on the upper display in cases of e f PB exceeds 9000 9000 PU 900 0 F or 500 0 C e or if Tl exceeds 1000 seconds e Or if set point is changed during auto tuning procedure Solutions to Z 1 Try auto tuning once again 2 Don t change set point value during auto tuning procedure 3 Don t set zero value for PB and TI 4 Use manual tuning instead of auto tuning See section 3 12 5 Touch RESET key to reset message 3 12 Manual Tuning In certain applications very few using auto tuning to tune a process may be inadequate for the control requirement then you can try manual tuning If the control performance by using auto tuning is still unsatisfactory the following rules can be applied for further adjustment of PID values 44 UMB41 A ADJUSTMENT SEGUENCE SYMPTOM SOLUTION 1 Proportional
38. put 1 5V linear voltage input O 10V linear voltage input Parameter inti Default Notation Parameter Description Range aje 0 Of Degree C unit UNIT Input unit selection 1 OP Degree F unit A 2 F Process unit 0 pad Nodecimal pg point 1 1 4 1 decimal digit DP Decimal point selection E 27 gP 2 decimal digits 3 J dP 3 decimal digits l inh 17 8 C INLO Input low sale value Low 19999 High 45486 OE j inh 93 3 C INHI Input high scale value Low INLO 50 High 45536 200 0 F Low limit of set point pa a 17 8 C High limit of set point inh 537 8 C SHIF PV shift offset value Low 36001 High 3600 F 0 0 0 1 O second time constant 1 A 0 2 second time constant 2 75 0 5second time constant 3 1 1 second time constant 4 2 seconds time FILT Filter damping time _ constant o constant of PV 5 4 5 seconds time constant 6 if 10 seconds time constant 7 l 20 seconds time constant 8 30 30seconds time constant 9 All 60seconds time constant 14 UMB41 A Parameter inti Default Notation Parameter Description Range vale l n 500 0 C 10 0 C PB Proportional band value Low O High 900 0 F 1 8 0 F TI Integral time value Low O High 1000 sec 100 TD Derivative time value Low O High 360 0 sec 25 0 Or E U Reverse heating control action OUTI Output 1 function 0 1d sb Direct cooling T control action OrEL 4
39. r DP Set RR 10 0 SV is set to 200 C initially and changed to 100 C after 30 minutes since power Up The starting temperature is 30 C After power up the process is running like the Curve shown below Figure 3 5 RAMP Function 0 17 30 40 minutes Note When the ramp function is used the lower display will show the current ramping value However it will revert to show the set point value as soon as the up or down key is touched for adjustment The ramping value is initiated to process value either as power up or RR and or set point are changed Setting RR to zero means no ramp function at alll UMB41 A 39 3 7 Dwell Timer Alarm output can be configured as dwell timer by selecting TIMR for ALFN As the dwell timer is configured the parameter SP is used for dwell time adjustment The dwell time is measured in minute ranging from 0 1 to 4553 6 minutes Once the process reaches the set point the dwell timer starts to count down until zero time out The timer relay will remain unchanged until time out The dwell timer operation is shown as following diagram After time out the dwell timer will be restarted by pressing the RESET key The timer stops to count during the manual control mode failure mode calibration period and auto tuning period Time ALM SP3 power off or lt gt touch RESET key Timer starts Figure 3 6 Dwell Timer Function If alarm is configured as dwell timer ALHY and ALMD
40. re are at most 8 parameters can be selected to allow the user to build his own display sequence 6 UMB41 A 1 2 Ordering Code B41 LILILILILILILI Power Input 4 90 250 VAC 50 60 HZ 5 11 26 VAC or VDC 9 Special Order Signal Inpu 1 Standard Input Thermocouple J Kr TEB R S N L RTD PT100 DIN Pt100 JIS 0 60 MV O IV O0 5V 1 5V 4 20 MA 0 20 MA 0 10V special Order OONOVJBROUN Output 1 None Relay rated 2A 240VAC Pulsed voltage to drive SSR 5V 30MA Isolated 4 20MA 0 20MA Isolated 1 5V 0 5V Isolated O 10V Triac output 1A 240VAC SSR C Pulsed voltage to drive SSR 14V 40mMA 9 Special order O O1 BR NM GO L Display board and Cable O Without display board and without cable 3 With display board and with 300 mm cable 9 Special order Communications None RS 485 interface RS 232 interface Retransmit 4 20MA 0 20MA Retransmit 1 5 V O 5V Retransmit O 10V Special order O 0IR OOM O Alarm 0 None 1 Form C relay 2A 240VAC 9 Special order Output 2 None Form A relay 2A 240VAC Pulsed voltage to drive SSR 5V 30MA Isolated 4 20MA 0 20MA Isolated 1 5V 0 5V Isolated O 10V Triac output 1A 240VAC SSR Isolated 20V 25mMA transducer power supply Isolated 12V 40mA transducer power supply Isolated 5V 80MA transducer power supply C Pulsed vo
41. reafter the value of O2FT will be used for controlling output 2 3 If OUT2 is configured as alarm function and OFF is set for O2FT then output 2 will transfer to off state otherwise Output 2 will transfer to on state if ON is set for O2FT Alarm Failure Transfer is activated as the controller enters failure mode Thereafter the alarm will transfer to the ON or OFF state which is determined by the set value of ALFT 42 UMB41 A 3 11 Auto tuning The auto tuning process is performed at set point The process will oscillate around the set point during tuning process Set a set point to a lower value if overshooting beyond the normal process value is likely to cause damage The auto tuning is applied in cases of Initial setup for a new process The set point is changed substantially from the previous auto tuning value The control result is unsatisfactory Operation 1 The system has been installed normally 2 set the correct values for the setup menu of the unit But don t use a zero value for PB and TI otherwise the auto tuning program will be disabled The LOCK parameter should be set at NONE 3 Set the set point to a normal operating value or a lower value if overshooting beyond the normal process value is likely to cause damage 4 Press and hold until appears on the display 5 Press for at least 5 seconds The AT indicator will begin to flash and the auto tuning procedure is beginning NOTE The ram
42. rrect 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 sensor limits of error are 4 degrees F 2 degrees C or 0 75 of sensed temperature half that for soecial plus drift caused by improper protection or an over temperature occurrence This error is far greater than controller error and cannot be corrected on the sensor except by proper selection and replacement 2 6 Sensor Input Wiring TE7 i RTD L L B 299 TC V mA RID Figure 2 7 Sensor Input Wiring 2 7 Control Output 1 Wiring 120V 240VAC Mains Supply Figure 2 8 Output 1 Relay or Triac SSR to Drive Load UMB41 A 25 2 7 Control Output 1 Wiring Con d Supplied by customer 120V 240V P Mains Supply 30MA 5V 5V Pulsed Voltage 33 b 33 E Figure 2 9 Output 1 Pulsed 5 VDC Voltage to Drive SSR TES EEEE 4 20MA 500 ohms Figure 2 10 Output 1 Linear Current TE3 1 5V 0 10v 10K ohms Figure 2 11 Output 1 Linear Voltage 26 UMB41 A Control Output 2 Wiring TE4 P _ 120V 240V n o Mains Supply Figure 2 12 Output 2 Relay or Triac SSR to Drive Contactor 120V 240V Mains Supply E 30mA 5V _5V Pulsed Voltage 4 33 l 33 a z al Figure 2 13 Output 2 Pulsed Voltage to Drive SSR TEA 0 20MA Maximum
43. tuning procedures Adjustment of CPB is related to the cooling media used For air is used as cooling media adjust CPB at 100 For oil is used as cooling media adjust CPB at 125 For water is used as cooling media adjust CPB at 250 DB Programming Adjustment of DB is dependent on the system requirements If more positive value of DB greater dead band is used an unwanted cooling action can be avoided but an excessive overshoot over the set point will occur If more negative value of DB greater overlap is used an excessive overshoot over the set point can be minimized but an unwanted cooling action will occur It is adjustable in the range 36 0 to 36 0 of PB A negative DB value shows an overlap area over which both outputs are active A positive DB value shows a dead band area over which neither output is active Output 2 ON OFF Control Alarm function The output 2 can also be configured as alarm function There are 4 kinds of alarm functions can be selected for output 2 these are DE HI deviation high alarm DE LO deviation low alarm PV HI process high alarm and PV LO process low alarm Refer to Figure 3 3 and Figure 3 4 for the description of deviation alarm and process alarm UMB41 A 35 PV OUT2 DE HI oV SP2 SV SP2 O2HY OUT2 Action l l l l F l l l l l l l l 1 l l l l l l l l l l Figure 3 3 Output 2 Deviation Time High Alarm SP2 O2HY SP
44. vailable 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 meters 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 has to be used to convert RS 485 to RS 232 for a PC if RS 485 is required for the data communication Multiple RS 485 units up to 247 units can be connected to one RS 232 port 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 3 15 Process Retransmission The controllers support a optional ma VDC output retransmit of the process variable The program parameters to scale the ma VDC signal are RELO and REHI respectively for low and high scale For example using a 4 20 ma retransmission option to represent
45. with properly tuned PID Fuzzy control H Temperature Set ae jm point fP gt tt a Figure 1 1 Fuzzy Control Advantage Warm Up Load Disturbance Time High Accuracy This Series controllers are manufactured with custom designed AsiC Application Specific Integrated Circuit technology which contains a 18 bit A to D converter for high resolution measurement true 0 1 F resolution for thermocouple and PT100 and a 15 bit D to A converter for linear current or voltage control output The ASIC technology provides improved operating performance low cost enhanced reliability and higher density Fast Sampling Rate The sampling rate of the input A to D converter reaches 5 times second The fast sampling rate allows this series to control fast processes Fuzzy Control The function of Fuzzy control is to adjust PID parameters from time to time in order to make manipulation output value more flexible and adaptive to various processes The results is to enable a process to reach a predetermined set point in the shortest time with the minimum of overshoot and undershoot during power up or external load disturbance Digital Communication The units are equipped with RS 485 or RS 232 interface card to provide digital communication By using the twisted pair wires there are at most 247 units can be connected together via RS 485 interface to a host computer UMB41 A 5 Programming Port A programming port w
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