Home

Model UT750 Digital Indicating Controllers User`s Manual for Loop

1. L 8 connected are not alive with a tester or the like Default Unspecified Default 4 20 mA DC Load resistance 600 9 or less because there is a possibility of electric shock retransmission type i n T AAAA 16 o 16 4 15 V DC loop power supply Retransmission output 1 is not available ia 4 20MADC I O20 ADG if a 15 V DC loop power supply is used Voltage pulse 12 V o 10 17 epus 17 gt I Default 4 20 mA DC i ina be ol Allowable range 100 240 V AC 10 etal ee my mee ee free voltage 15 50 60 Hz shared y External contact outputs The functions of the external contact outputs are the defaults for loop control with PV The functions of the external contact inputs are the defaults for loop control with PV switching switching To change the functions reconfigure the contact output registration setup To change the functions reconfigure the contact input registration parameters UD arameters Alarm 1 output DO1 6 k o p External contact inputs Note 1 The alarm 3 output parameters of the DO3 and DO5 outputs share the same n Contact 45V PTEE Alarm2output DO2 5 ko function When switching among target setpoints 1 to 8 OT at 3 pli 2 I Note 2 The alarm 4 output parameters of the DO4 and DO6 share the same f
2. Press the LY key once to display the main menu STUP STUP password input main menu menu LOOP1 LOOP1 loop 1 setup para SETUP main menu 5 Press the key once to display the main menu UTMD UTMD UT750 configuration SETUP main menu 6 Press the key once to display the submenu MD MD UT mode set SETUP sub menu 7 Press the key three times to display the submenu VALV VALV valve control SETUP sub menu IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 2 15 lt 2 Initial Settings gt 8 Press the key once to display the parameter V AT MENU UTMD VALV 1 valve automatic adjust ETUP VAT OFF 9 Press the 4 key to display ON MENU UTMD VALV 1 valve automatic adjust changing V AT ON Blinks during change et oo kd P 10 Press the key once The controller automatically calibrates the valve position fully open or closed MENU UTMD VALV 1
3. Auxiliary analog input gt TC input RTD input 11 A 21 Specify in a range of 12 l O 1 5 V DG 0 2 V DC I 12 b DO or S10V be 13 I 13 B Default 1 5 V DC i mVJ V input 2O 13O lt 301 gt E Receiving 4 20 mA DC Current Signals with the Controller When receiving 4 20 mA DC current signals set the PV input type to 1 5 V DC setpoint 41 lt r i i i 250 Q 4 20mA Note Connecting a 250 resistor to the terminals is optional Model X010 250 2 resistor with M3 5 crimp on terminal lugs Installation category overvoltage category II IEC1010 1 Retransmission output 1 Factory set to PV retransmission gt Note Select this option from the OT1 parameter Control output Retransmission output 2 is available only when relay is selected as the 14 type of control output 4 20 or Current voltage pulse output Retransmission output 2 0 20 mA DC 5O SOOO OOHE OAAAAAOOOO OOOO OO 9 O OOS OE
4. 6 7 lt 3 Operations gt 3 9 Press the key twice to display the parameter 1 A1 MENU LP1 1 PID 2 alarm 1 set point 1 A1 200 0 C Press the 4 or YJ key to display the required setpoint MENU LP1 1 PID 2 alarm 1 set point changing 1A1 160 0 C Blinks during Press the key once to register the setpoint MENU LP1 1 PID 2 alarm 1 set point 1A1 160 0 C You can take the same steps for alarm 2 setpoint 1 A2 alarm 3 setpoint 1 A3 alarm 4 setpoint 1 A4 that are displayed after this Press the key for more than 3 seconds This returns you to the display shown at power on figure below T SP 100 0 C 10 0 10 a IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 3 Operations gt 3 10 3 6 Selecting Target Setpoint Numbers SPNO The following operating procedure describes an example of changing a target setpoint number SPNO from 1 to 2 A NOTE If a target setpoint number has been switched using contact input when the contact input is on that number cannot be selected by keystroke 1 Bring the operating display into view display appears at power on Displays PV je N SP 1
5. Press the v key once to display the main 6 Press the 4 key once to display the menu STUP submenu ALM STUP ALM password input alarm control main menu SETUP sub menu T menu LOOP1 parameter AL1 alarm 1 type LOOP1 MENU LOOP1 ALM 1 loop l setup para alarm 1 type select ETOF SETUP main menu ALi 1 IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 8 Press the G or key to display the required setpoint The figure below shows an example of setting the PV low limit alarm MENU LOOP1 ALM 1 alarm 1 type select changing AL1 2 Blinks during change 9 Press the key once to register the setpoint MENU LOOP1 ALM 1 alarm 1 type select SETUP AL1 2 You can take the same steps for alarm 2 type AL2 alarm 3 type AL3 and alarm 4 type AL4 that are displayed after this lt 2 Initial Settings gt 2 21 10 Press the key for more than 3 seconds This returns you to the display shown at power on figure below 10 SP 0 0 C ov onion 11 Wh
6. 2a4 main menu LOOP1 U8 1 b4 Di 2 b4 on the next page rif aas Paes ee Meeeeeteeeees eee e if 25l 1 a6 2 a6 l 1 b6 2 b6 Same ta7 2a7 Ga 1b7 C257 1 a8 i 2a8 7 in D Tb8 2b8 Pressing the DISP key once when a parameter setting display is shown 1 a9 a9 retrieves the menu of that parameter setting display 1 b9 2 b9 Example Pressing the DisP key once when the PAR submenu is 1 a10 2 a10 displayed will display the LP1 main menu Conversely 1 b10 2 b10 the PAR submenu will reappear by pressing the DIsP key 1 a11 atl once when the PAR submenu s FL parameter display is 1011 eed shown 1 PMD 2 PMD Note The number of operating displays and the contents of such displays differ according to the UT750 models UT modes and Sees eee ees eee eee eeece ee control output types SELECT displays 1 to 5 are shown only when they are registered 7 Main menu USR is displayed when UT mode is Loop control with PV switching Loop control with PV auto selector 8 Loop control with PV switching and two universal inputs or Loop control with PV auto selector and two universal inputs Main menu PYS2 is displayed when UT mode is Cascade control Loop control with PV switching Dual loop control Temperature and humidity control Cascade
7. Is communication link faulty Yes Check the instrument s suffix code Does the code include a communication option Check the communication related parameters Check communication wiring Check the specifications of communication counterpart Totally i Is display A 9 operation 2 inoperable faulty faulty Yes Yes CEE S a Check wiring on the Check the key lock Turn off power and Check the power supply setting then turn it on instrument s I O terminals again specifications v Yy Check the supply Check the specifications voltage of I O counterpart for wrong polarity lt No 7 sae lo communication Normal capability No Is a key lock enabled AA Correct the Yes error s lt 4 No Correct y Yes Yes Disable key lock v AA Ask the vendor for repair Find the cause A IMPORTANT Take note of the parameter settings when asking the vendor for repair IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 4 Troubleshooting and Maintenance gt 4 2 E Errors at Power on The following table shows errors that may be detected by the fault diagnosis function when the power is turned on Display oe coal Description Control Alarm Retransmission er me PV position Error indication of error output output output Communication Remedy E000 Faulty RAM OFE ire None o or less BV E001
8. 2 SP 640 C g5 Beteeeterereraeey Temperature Rate of temperature change of 70 C min 1 SP 500 C i e 140 C 2 min Temperature rise time of 2 min Switch from 1 SP to 2 SP RT Ratio setting 0 001 to 9 999 1 000 Target setpoint Remote input x Ratio setpoint Remote bias RBS Remote input bias 100 0 to 100 0 of PV range span 0 0 of PV Used to correct the remote input value range span RFL Remote input filter OFF 0 1 to 120 sec OFF 0 Used when the remote input value fluctuates O RB ON OFF rate 0 0 to 100 0 of PV range span 1 0 of PV detection band range span O RH ON OFF rate ORL 1 digit to 105 0 100 0 high limit O RL ON OFF rate 5 0 to ORH 1 digit 0 0 low limit IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt Setpoint Alarm and PID related Parameters Located in Main menu LP1 Submenu 1 PID The table below lists the Target Setpoint 1 1 SP operating parameter and parameters that apply to the 1 SP parameter Parameter Symbol 1 SP Name of Parameter Target setpoint 1 Setting Range and Description 0 0 to 100 0 of PV range However between target setpoint limiter lower limit SPL and upper limit SPH Initial Value 0 0 of PV range User Setting 1 A1 Alarm 1 setpoint 1 A2 Alarm 2 setpoint 1 A3 Alarm 3 setpoint 1 A4 Alarm 4 setpoint PV
9. PV input 1 PV input 2 eee terminals terminals B to Pard O Dand and Contact input to p 1 Input selection Input selection Ratio bias l l Ee et Iculati Unit selection Unit selection ue Target PV input I I i r i Analog input range conversion Analog input range conversion i setpoin H H switching I i __ selection U3 2 Analog input bias Analog input bias Upper limit I I Cu Lower limit Square eie extraction Square root extraction U3 Operati on Analog input filter Analog input filter f E i 10 seg linearizer approx bias 10 seg linearizer approx bias H i I I i PV input Switching Temp range Temp upper limit or Dl Z77777 cceecceeeseeeeeeeedeeeeeeeseneeneeseneeteeeeeeeed tid ace i PV input 1 OFF Burnout occurs when PV input bias y l PV input 2 ON the burnout of PV EO RMS COM r l input 1 or PV input 2 PV input filter Target setpoints 1 to 8 i Coeur REMOTE LOCAL RL Target setpoint ramp rate function Manual operation Control computation MAN AUTO lt CAM_ gt AUTO ON MAN OFF switching Preset output Output limiter STOP RUN STOP ON RUN OFF switching BP a E A ats etn ites aE ee ee Pe a 15 V loop Retransmission Alarm function oTi a Nn power supply output Control z output Alarm 1 Alarm 2 Alarm 3 A
10. csseesseesseceeseeeeseeneeteneee 2 23 3 Operations sanscdescainimcisssasnsadceskensienswssansiuannduaceninsasnndsuataacstananduauidiasdadwaaiaus 3 1 3 1 Monitoring purpose Operating Displays Available during Operation 3 1 3 2 Setting Target Setpoint SP sccsseeceeeeeeeeeseseeesneeenseeeseneeeseaesaseesnseeeseeeess 3 4 3 3 Performing Canceling Auto tuning sccssscsseeeeeeeeeeeeseeeseseeseseeeenseeeeseesees 3 5 3 4 Setting PID Manually csseccsseceeeseeseeeeeseeeeneeeeeseaeseseeeenseeeeeseeeseeeseseeeeneeeaes 3 7 3 5 Setting Alarm Setpoint siioni eatea aaaeei en aasan 3 8 3 6 Selecting Target Setpoint Numbers SPNO sssssssssnneunnnnnnnnnnnnnnnnnnn nunne nnne 3 10 3 7 Switching between Run and Stop cccceccecseeeseeeeseeeeeseeeeeeeesseseeaeenseeeeeseeees 3 11 3 8 Switching between AUTO and MAN sssssssnnunnnunneunnnunnnunnnnnnnnnnnnnnnnnnnnnnnnnn nnna 3 12 3 9 Manipulating Control Output during Manual Operation 0 0 3 13 3 10 Switching Input with Contact IMPut eceseeeeeee estes este sete seseeeeseeeeeeeeesnees 3 15 IM05D01B02 46E 1st Edition May 31 2000 00 lt Int gt lt Rev gt Toc 2 4 Troubleshooting and Maintenance ccccessseeeeeeeeeeseeeeeeeeeeeeeeeeeenes 4 1 4 1 Troubleshooting ico ecad cc cnccccsesconteasieceeccanceeedeniecueweatieeetets randewenntedeneevrieenavreeemueil 4 1 4 2 MaINTOMANCC sssrin aE E ARE a 4 5 4 2 1 CNS EATING E E E
11. Note 1 PV indicating LED display 2 LCD 3 Display showing the PV of the loop in which the error has been caused E Remedies if Power Failure Occurs during Operations The operation status and remedies after a power failure differ with the length of power failure time Instantaneous Power Failure of 20 ms or less A power failure is not detected Normal operation continues Power Failure of about 2 seconds or less The following show effects caused in settings and operation status Alarm action Continues Alarm with standby function will enter standby status Setting parameter Set contents of each parameter are retained Auto tuning Cancelled Control action Action before power failure continues IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 4 Troubleshooting and Maintenance gt 4 4 Power Failure of more than about 2 seconds The following show effects caused in settings and operation status Alarm action Continues Alarm with standby function will enter standby status Setting parameter Set contents of each parameter are retained Auto tuning Cancelled Control action Differs with setting of setup parameter R MD restart mode R MD setting Control action after recovery from power failure CONT Action before power failure continues factory shipped setting MAN Outputs preset output value PO NOTE as control outp
12. Provides the preset output value Gontrolgutput factory set to 0 Alarm output Turns the output on in case of an alarm IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 3 Operations gt 3 12 3 8 Switching between AUTO and MAN A NOTE If AUTO and MAN have been switched using contact input when the contact input is ON switching between AUTO and MAN cannot be achieved by keystroke 1 Bring the operating display into view display appears at power on Displays target setpoint 1 1 SP Displays PV 2 Each time you press the m key on the front panel of the instrument AUTO and MAN is switched alternately In automatic operation In manual operation Displays target setpoint 1 1 SP _ gt gt X 1 SP 100 0 C vi l TE MAN1 lamp MAN1 lamp OFF ON Displays output bar IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 3 Operations gt 3 13 3 9 Manipulating Control Output during Manual Operation A NOTE Control output cannot be changed if the controller is stopped In this case the preset output value operating parameter PO will be output A control output value is linked with a display
13. 0 0 of PV range span 0 0 of PV range when in ten segment linearizer approximation 2 a10 Ten segment linearizer 2 input 10 66 7 to 105 0 of PV input 2 scale 0 0 of PV input 2 scale 2 b10 Ten segment linearizer 2 output 10 66 7 to 105 0 of PV range span 66 7 to 105 0 of PV range when in ten segment linearizer approximation 0 0 of PV range span 0 0 of PV range when in ten segment linearizer approximation 2 a11 Ten segment linearizer 2 input 11 66 7 to 105 0 of PV input 2 scale 0 0 of PV input 2 scale 2 011 Ten segment linearizer 2 output 11 66 7 to 105 0 of PV range span 66 7 to 105 0 of PV range when in ten segment linearizer approximation 0 0 of PV range span 0 0 of PV range when in ten segment linearizer approximation 2 PMD Ten segment linearizer 2 mode 0 Ten segment linearizer biasing 1 Ten segment linearizer approximation 0 IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 15 E Setup Parameters Target Setpoint related Parameters Located in Main menu LOOP 1 Submenu SP Parameter Symbol Name of Parameter Setting Range and Description Initial Value User Setting RM S Remote input RSP 0 Uses the value set remotely via remote input terminals COM 1 selection COM 1 Uses the value set remotely via communication S
14. IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 1 Installation gt 1 4 E How to Install Turn off the power to the controller before installing it on the panel because there is a possibility of electric shock CAUTION After opening the mounting hole on the panel follow the procedures below to install the controller 1 Insert the controller into the opening from the front of the panel so that the terminal board on the rear is at the far side 2 Set the brackets in place on the top and bottom of the controller as shown in the figure below then tighten the screws of the brackets Take care not to overtighten them Large bracket lt top mounting hardware Direction to insert the controller Insert the controller into the opening at the front of the panel sert a screwdriver into the ckets to tighten the screws Small bracket bottom mounting hardware IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 1 3 How lt 1 Installation gt 1 5 to Connect Wires A CAUTION gt Before carrying out wiring turn off the power to the controller and check that the cables to be connected are not alive with a tester or the like because there is a possi bility of electric shock Wiring must be carried out by personnel who have basic electrical knowledge and practical experience A no 1 E For UT s Use one with a relay coil rating less than the UT s contact
15. AIN3 p 0 SP P 100 0 C SP display Allows the target setpoint to be changed a ie a the LY Jor_4 key to change the Dii and press the key to register it iji nisp key 1 SP 100 0 C PID 3 WO 100 0 E0026 paths Cooling OUT Allows the control output value to be changed in manual operation CooL p ay Press the Am key to turn on the MAN1 lamp Then press e the CZJ key to increase the cooling side output and msr key decrease the heating side output or e the A key to decrease the cooling side output and increase the heating side output DV trend scan 20sec Deviation Trend display eer For monitoring only TSP C C 100 0 H 00 Heating Cooling Data F if a sate or monitoring only PID i List display pening ony Disp key AIN1 80 0 C P ANSE aioe Along Input Value display For monitoring only AIN1 PV input 1 AIN3 PV input 2 pisP key IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 3 Operations gt 3 2 Setting Target Setpoint SP The following operating procedure describes an example of setting 150 0 to a target setpoint In automatic operation the controller starts control using set target setpoints 1 Bring the operating display into view display
16. Instruction py Manual Model UT750 REEN Digital Indicating Controllers User s Manual for Loop Control with PV Switching IM 05D01B02 46E YOKOGAWA IM 05D01B02 46E Yokogawa M amp C Corporation 1st Edition Blank Page lt Toc gt lt Rev gt Introduction Thank you for purchasing the UT750 digital indicating controller E How to Use the Manuals Purpose Title Description Setup 1 Installation Describes the tasks installation wiring and others required to make the controller ready for operations Basic operation 2 Initial Settings Describes examples of setting PV input types control output types and alarm types Making settings described herein allows you to carry out basic control Operating 3 Operations Describes key operation sequences For operation control procedures 4 1 Troubleshooting through external contact inputs see 1 5 Terminal Wiring and troubleshooting Diagrams Brief operation 5 1 Parameter Map Contains the parameter map used as a guideline for setting parameters Function description 5 2 Lists of Parameters Briefly describes the functions of parameters In addition and setpoint recording each parameter table has a User Setting column where you can record your setpoints when setting them in the controller E Controllers Applicable to Loop Control with PV Switching The specification codes of the UT750 applicable to loop control with PV switchi
17. 1 5 V DC See 2 4 Setting PV Input 1 and PV Input 2 Types See 2 5 Setting Controlled PV Input Range controller Yes Calibrate valve Set the control position See 2 7 Calibrating Valve Position output Factory set to Time Proportional Relay Output See 2 6 Setting Control Output Type Initialize parameters See 2 8 Initializing Parameters v Set the alarm type and other setup parameters Set PV Switching Methods Switching input with contact input Yes lt 4 Step whenever a change of setting is made to the UT mode or Be sure to follow this PV input type See 2 9 Setting PV Switching Methods v Set input Switching PV Range See 2 10 Setting Input Switching PV Range Set operating parameters M Controller operation IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 2 Initial Settings gt 2 1 1 Indicator lamp Names and Functions of Front Panel Parts for display of PV2 pv m 6 P jabl i ev Process variable 2 eae a a Ul tl if M Ul p PV display monitor Eaj dal Le Le oy l 4 Alarm indicator Pines xX 7 Setpoint lamps l oe display 3 Status indicator Duane lamps ee j 10 DISP key 5 Pega 500 uneol interface Fa Z 11 V and A keys samer PIA 9 SET ENT k
18. Percent C 1 Degree Celsius 2 No unit F 5 Fahrenheit IN3 PV input 2 type Specify the type of PV input 2 as a range code 1 to 5 V 41 INPUT 3 terminals See Instrument Input Range Codes in the 2 Initial Settings Terminals and U N 13 PV input 2 unit Select the unit of PV input 2 0 0 Percent F 5 Fahrenheit C 1 Degree Celsius 2 No unit RH3 Maximum value of Set the range of a voltage signal RL3 lt RH3 5 000 PV input 2 range RL3 Minimum value of 1 000 PV input 2 range S D P3 PV input 2 Set the position of the decimal point for PV input 2 Same as the decimal point O0to4 PV input 1 decimal position 0 No decimal place 1 One decimal place point position 2 to 4 Two three four decimal places S H3 Max value of Set the PV input 2 read out scale Maximum value PV input 2 19999 to 30000 where SL3 lt SH3 of PV input 1 scale range or scale SL3 Min value of Minimum value PV input 2 of PV input 1 scale range or scale BSL3 PV input 2 Allows the PV input 2 standard signal value to be OFF 0 burnout action determined as shown below in case of PV input 2 burnout selection 105 of PV input 2 scale if set to Upscale 5 0 of PV input 2 scale if set to Downscale OFF 0 Disable UP 1 Upscale DOWN 2 Downscale PV unit Set the unit of PV Same as the PV input 1 unit P DP1 PV decimal point position Under normal operation set the same value as
19. SDP3 SH3 SL3 UTMD IN Analog input bias A BS3 CMLP AIN Square root extraction A SR3 A LC3 CMLP AIN Analog input filter A FL3 CMLP AIN Note PV input bias BS and PV input filter FL among the operating parameters are used as bias and filter when normal operation Analog input bias A BS3 and analog input filter A FL3 among the setup parameters are used when PV correction value is decided in advance Operating Parameters Function Parameter Main menu Submenu Ten segment linearizer mode 2 PMD PYS2 None Ten segment linearizer approximation biasing 2 a1 to 2 a11 2 61 to 2 611 PYS2 None E PV Input Switching Operation Switching of PV input 1 and 2 can be executed by contact input or within a set temperature range At first select the switching method in operating parameter U3 user parameter 3 There are three methods of PV switching 1 When switching within a set temperature range set U3 0 2 When switching at the limit set U3 1 3 When switching by contact input set U3 2 Operating Parameters Function Parameter Main menu Submenu User parameter 3 U3 USR None Then set the temperature in U1 or U2 Set input switching PV upper limit in U1 Set input switching PV lower limit in U2 Operating Parameters Function Parameter Main menu Submenu User parameter 1 U1 USR None User parameter 2 U2 USR None IM 05D01B02 46E 1st Edit
20. Status indicating lamps LEDs Safety and EMC Standards e Safety Compliant with IEC1010 1 1990 and EN61010 1 1992 Approved by CSA1010 CSA1010 installation category overvoltage category CATII IEC1010 1 Approved by UL508 e EMC standards This instrument complies with the following EMC standards the instrument continues to operate at a measuring accuracy of within 20 of the range during tests EMI emission EN55011 Class A Group 1 EMS immunity EN50082 2 1995 IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 1 Installation gt 1 1 0 Construction Installation and Wiring Construction Only the front panel is dust proof and drip proof protection class IP55 For side by side close installation the controller loses its dust proof and drip proof protection Material ABS resin and polycarbonate Case color Black Weight About 1 kg or less Dimensions 96 W x 96 H x 100 depth from panel face mm Installation Panel mounting type With top and bottom mounting hardware 1 each Panel cutout dimensions 927 W x 92398 H mm Installation position Up to 30 upward facing not designed for facing downward Wiring M3 5 screw terminals for signal wiring and power ground wiring as well Power Supply Specifications Power supply Rated voltage of 100 to 240 V AC 10 50 60 Hz Power consumption Max 20 VA 8 0 W max Data backup Lithium cell with life expectancy of 10 years Withs
21. X010 100 2 resistor with M3 5 crimp on terminal lugs 30 V DC 1 A resistance load If the power is turned on when the external contact input is OFF the mode SPNO R L ee Transistor contact rating 24 V DC 50 mA or A M existing before the power is turned off will be continued except for RUN STOP lt uoneyjelsu 4 gt 9L L Initial Settings lt 2 Initial Settings gt 2 1 This chapter describes examples of setting PV input types control output types and alarm types Carrying out settings described herein allows you to perform basic control Refer to examples of various settings to understand how to set parameters required Refer to 5 1 Parameter Map for an easy to understand explanation of setting various parameters If you cannot remember how to carry out an operation during setting press the key no more than four times This brings you to the display operating display that appears at power on Setup Procedure Power on AA Denotes a step that must always be followed C Denotes a step that should be followed as necessary Set UT mode 6 Factory set to Single loop Control UT mode 1 or 2 3 Changing UT mode Set PV input AA Set Controlled PV Input Range Position No proportional See 2 2 Setting UT mode Setting First at Power on Factory set to PV input 1 is not configured PV input 2 is standard signal
22. eters Target setpoint Target PID parameter number setpoint proportional Integral time Derivative time Cooling side Cooling side Cooling side SPNO SP h band heating side heating side proportional integral time derivative time Re lor a 4 integral time derivative time band SPNO 1 1 SP EP 1 1 1 D 1 Pc 1 Ic 1 Dc SPNO 2 2 SP 2 P 2 1 2 D 2 Pc 2 lc 2 Dc SPNO 3 3 SP 3 P 3 1 3 D 3 Pc 3 lc 3 Dc SPNO 4 4 SP 4 P 4 l 4 D 4 Pc 4 lc 4 Dc SPNO 5 5 SP 5 P 5 1 5 D 5 Pc 5 lc 5 Dc SPNO 6 6 SP 6 P 6 1 6 D 6 Pc 6 lc 6 Dc SPNO 7 7 SP 7 P 7 1 7 D 7 Pc 7 Ic 7 Dc SPNO 8 8 SP 8 P 8 1 8 D 8 Pc 8 lc 8 Dc IM05D01B02 46E 1st Edition May 31 2000 00 Blank Page lt Toc gt lt 3 Operations gt 3 1 3 Operations This chapter describes key entries for operating the controller For operations using external contact inputs see 1 5 Terminal Wiring Diagrams If you cannot remem ber how to carry out an operation during setting press the key no more than four times This brings you to the display operating display that appears at power on 3 1 Monitoring purpose Operating Displays Available during Operation The monitoring purpose operating displays available during operation are roughly classi fied into two groups depending on the types of controller and control output One group is operating displays for loop control with PV switching and position proportional loop control with PV swi
23. heating side output terminals cool ing side output terminals position proportional type terminals 0 Number of outputs 1 or 2 two for heating cooling control Output signal Three terminals NC NO and common Contact rating 250 V AC or 30 V DC 3 A resistance load Resolution 10 ms or 0 1 of output whichever is larger Contact Inputs e Purpose Input switching target setpoint selection remote local mode switching and run stop switching Number of inputs 7 Input type Non voltage contact or transistor open collector input Input contact rating 12 V DC 10 mA or more On off determination For non voltage contact input contact resistance of 1 KQ or less is determined as on and contact resistance of 20 kQ or more as off For transistor open collector input input voltage of 2 V or less is determined as on and leakage current must not exceed 100 pA when off e Minimum status detection hold time PV input s sampling period x3 Contact Outputs e Purpose Alarm output FAIL output and others e Number of outputs 7 relay 3 transistor 4 e Relay contact rating 240 V AC 1 A or 30 V DC 1 A COM terminal is common e Transistor contact rating 24 V DC 50 mA COM terminal is common Display Specifications e PV display 5 digit 7 segment red LEDs character height of 20 mm for UT750 e Setpoint display 32x128 dot LCD display with back light
24. j Note External Contact Input If the power is turned on when the external contact input is OFF the mode SPNO R L or A M existing before the power is turned off will be continued except for RUN STOP ook I ol 39v z08 L090 WI 00 0007 Ae uonipa 3S E UT750 Heating Cooling Loop Control with PV Switching Model UT750 01 or UT750 51 Communication 1 Communication 2 PSL1 PSL2 High performance RS 485 communication p 485 communication Wiring can only be carried out for controllers with IRDB gt 23 SDB gt 29 RDA 24 spa AX IMPORTANT Pee Change the setting of the Control Output Type 25 RDB lt T OT1 parameter to the Heating Cooling Control i 26 RDA Heating side control output 27 sc Relay contact output communication functions lt _ _ j 21 Specify in a range of PV input 2 Wiring can only be carried out for controllers with auxiliary analog input See 2 Initial Settings Auxiliary analog input TC input RTD input 12 1 5 V DC 0 2 V DC 22 or 0 10 VDC Default 1 5 VDC NC lt 1 Note Select this option from the OT1 parameter NO lt 4 2 O COM 3 T Contact rating 250 V AC 3 A 30 V DC 3 A resistan
25. to 105 0 of PV range span 0 0 of PV range span 0 0 of 1 b8 inearizer 1 output 8 66 7 to 105 0 of PV range when in ten segment linearizer approximation PV range when in ten segment linearizer approximation 9 Ten segment 66 7 to 105 0 of PV input 1 range 0 0 of PV input 1 range a inearizer 1 input 9 Ten segment 66 7 to 105 0 of PV range span 0 0 of PV range span 0 0 of 1 b9 inearizer 1 output 9 66 7 to 105 0 of PV range when in ten segment linearizer approximation PV range when in ten segment linearizer approximation al 0 Ten segment 66 7 to 105 0 of PV input 1 range 0 0 of PV input 1 range inearizer 1 input 10 b1 0 Ten segment 66 7 to 105 0 of PV range span 0 0 of PV range span 0 0 of inearizer 1 66 7 to 105 0 of PV range when in PV range when in ten segment output 10 ten segment linearizer approximation linearizer approximation al Ten segment 66 7 to 105 0 of PV input 1 range 0 0 of PV input 1 range inearizer 1 input 11 b1 Ten segment 66 7 to 105 0 of PV range span 0 0 of PV range span 0 0 of inearizer 1 66 7 to 105 0 of PV range when in PV range when in ten segment output 11 ten segment linearizer approximation linearizer approximation Ten segment 0 Ten segment linearizer biasing 0 1 PMD inearizer 1 mode 1 Ten segment linearizer approximation IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc
26. valve automatic adjust SETUP V AT ON 11 The controller is viewed as shown below when the valve position is being automati cally calibrated MENU UTMD VALV 1 valve automatic adjust V AT ON 12 13 14 Calibration has ended successfully when the indication changes from ON to OFF MENU UTMD VALV 1 valve automatic adjust V AT OFF Go to step 14 Calibration has ended unsuccessfully if the indication changes from ON to ERR Check the feedback input wiring and carry out automatic calibration again MENU UTMD VALV 1 valve automatic adjust VAT ERR Press the key for more than 3 seconds This returns you to the display shown at power on figure below 0 0 C 0 10 Y SP 10 IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 2 Initial Settings gt 2 16 2 8 Initializing Parameters Be sure to follow the steps below after a change of setting has been made to the data item PV Input Type PV Input Range or PV Input Scale 1 Bring the operating display into view display appears at power on Displays PV Displays target setpoint 1 1 SP In steps 2 and later illustrations of the LCD are cited to explain the procedure 2 Press
27. 1 PID 1 PID PID parameter SPno 1 sub menu 6 parameter 1 P proportional band for 1 SP MENU LP1 1 PID 6 proportional band 1 P 5 0 7 Press the 4 or Y key to display the required setpoint MENU LP1 1 PID 6 proportional band changing IP 18 0 Blinks during change IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 3 Operations gt 3 8 8 Press the key once to register the TIP setpoint For the PID parameter number you set in step 5 select MENU LP1 1 PID 6 the submenu 1 PID if the PID con PA stants are for 1 SP a the submenu 2 PID if the PID con stants are for 2 SP the submenu 3 PID if the PID con stants are for 3 SP and the submenu 4 PID if the PID con stants are for 4 SP The same steps can be used for integral time 1 1 and derivative time 1 D that are displayed after this 9 Press the key for more than 3 seconds This returns you to the display shown at power on figure below Displays target setpoint 1 Displays PV 1 SP 100 0 C 10 3 5 Setting Alarm Setpoints The following operating procedure describes an
28. 20 0 25 50 75 100 Output value before split computation IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 27 Communication Parameters Located in Main menu UTMD Submenu R485 Parameter Symbol PSL1 Name of Parameter Protocol selection 1 Setting Range and Description PC link communication PC link communication with sum check Ladder communication Coordinated master station Coordinated slave station MODBUS ASCII MODBUS RTU Coordinated master station 2 loop mode 10 Coordinated slave station loop 1 mode 11 Coordinated slave station loop 2 mode Terminal numbers and terminals for 4 wire connection onrRwonN 0 Initial Value User Setting BPS1 Baud rate 1 600 0 1200 1 2400 2 4800 3 9600 4 bps 9600 4 PRI1 Parity 1 NONE 0 None EVEN 1 Even ODD 2 Odd EVEN 1 STP1 Stop bit 1 13 2 DLN1 Data length 1 7 8 7 is fixed for MODBUS ASCII 8 is fixed for MODBUS RTU Ladder ADR1 Address 1 1 to 99 However the maximum number of stations connectable is 31 RP T1 Minimum response time 1 0 to 10 x 10 ms PSL2 BPS2 PRI2 Protocol selection 2 Baud rate 2 Parity 2 PC link communication PC link communication with sum check Ladder communication Coordinated master station Coordinated slave station I O
29. DI6 lt OFF 3 pie Alarm 4 output DO6 existing before the power is turned STOP when DI6 ON Die 37 lt o 5V 37 S off will be continued except for RUN when DI6 OFF 3 DI7 Y No function DO7 31 RUN STOP PV input 2 when DI7 ON biz 360 36 Relay contact rating 240 V AC 1 A NOTE 1 When operating parameter U3 PY mE p OFF E5 COM t Common com 35 30 V DC 1 A resistance load set to 2 effective to contact com 20 7 20 Transistor contact rating 24 V DC 50 mA input Common T OT1 is a setup parameter Contact rating 12 V DC 10 mA or more You can change the settings of the parameter OT1 to change the control output types See 2 Initial Settings Correspondence between parameter OT1 and heating side output types cooling side output types OT1 4 factory set default OT1 5 OT1 6 OT1 7 OT1 8 OT1 9 OT1 10 OT1 11 OT1 12 Heating side Relay output Heating side Voltage pulse output Heating side Current output Heating side Relay output Heating side Voltage pulse output Heating side Current output Heating side Relay output Heating side Voltage pulse output Heating side Current output terminals and terminals and terminals and terminals 0 and terminals and terminals and terminals 0 Aand terminals and terminals and Cooling side Relay output Cooling side Relay output Cooling side Relay output Cooling side Transistor output Cooling side Transistor output Cooling side Transisto
30. E AT aeae baad ee beecepenes 4 5 4 2 2 Replacing Brackets cccceseccesesseeeeeeseeneesesseneeseesaneesessaneesenneneess 4 5 4 2 3 Attaching Terminal Cover cccccccecceeeeeeeseeeeeeeeeeeneesseaeessaeeseneeeeaes 4 5 4 2 4 Replacing Parts with a Limited Service Life ccceecceeeeeeeteeeeeees 4 7 4 2 5 Replacing Control Output Relays ccccceceeeseeeeeeeseeeeteneeeeneeeeneeees 4 8 5 Parameters sassasicnaiinnncsousicnetuiaiisaadanchadensunieniininenaincrnuranauaamadaneaurtnansiaaias 5 1 5 1 Parameter Map ssorinirsrscnirisnndisnnn a a 5 1 5 2 Lists of Parameters ccceeececeeeeeeceeeseeeeeeeseeeeeenneeeeeensneeeeeeeseeeeeenseeeeeenseeeeeeenees 5 6 6 Function Block Diagram and DesCriptions css eeeceeeseseeeeetteeeeees 6 1 IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 1 Installation gt 1 1 1 Installation This chapter describes installation wiring and other tasks required to make the controller ready for operation 1 1 Model and Suffix Codes Before using the controller check that the model and suffix codes match your order Model Suffix Code Description UT750 Digital indicating controller provided with Custom Computing Function 0 Single loop type Type 1 Position proportional type 5 Dual loop type 0 None ional functi Optional tunctions 1 With communication auxiliary analog input Check that the following it
31. Faulty ROM o e Stopped Faulty indicating E002 System data error Undefined Undefined Undefined Contact us LED PV decimal point blinks f ity calibration Normal action Normal action Normal action Normal action for repair valu a out of out of out of out of e accuracy accuracy accuracy accuracy Normal Error cod akari action ge and rror code b or less set the LCD See description below Parameter error Normal action or OFF Normal action Normal action initialized parameters An error code is displayed in the event of an error according to its type An error code is a two digit figure in which a combination of 6 bits of on and off is converted into a decimal number The following shows the relationship between each bit and parameter to be checked for abnormality Bit No 6 5 4 3 2 1 0 Parameter to be checked Operation mode output Operating parameters Setup parameters Range data UT mode Custom computing data Calibration data For example if an error occurs with the operating parameter and calibration data the error code will be as follows Bit No Error Code Pf fof eft fj Error code 21 is displayed Setpoint display unit IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 4 Troubleshooting and Maintenance gt E Possible Errors during Operation The following shows possible errors occurring during o
32. Open Off Blinking 1 Off Time Timer setpoint DY2 Alarm 2 delay timer 0 00 to 99 59 min sec enabled when alarm 2 type AL2 is 1 to 20 or 28 to 31 DY3 Alarm 3 delay timer 0 00 to 99 59 min sec enabled when alarm 3 type AL3 is 1 to 20 or 28 to 31 DY4 Alarm 4 delay timer 0 00 to 99 59 min sec enabled when alarm 4 type AL4 is 1 to 20 or 28 to 31 Parameter Name of Parameter Setting Range and Description Initial Value User Symbol Setting AL1 Alarm 1 type OFF 0 1 to 31 1 same as below Common to all target setpoints AL2 Alarm 2 type OFF 0 1 to 20 25 to 31 2 1 PV high limit energized no stand by action 2 PV low limit energized no stand by action Alarm 3 type 3 Deviation high limit energized no stand by action 1 AL3 4 Deviation low limit energized no stand by action 5 Deviation high limit de energized no stand by action Alarm 4 type 6 Deviation low limit de energized no stand by action 2 AL4 For other alarm types see 2 11 Changing Alarm Type Common to all target setpoints HY1 Alarm 1 hysteresis 0 0 to 100 0 of PV range span 0 5 of PV Output alarm 0 0 to 100 0 range span Allows margins to be set for an alarm setpoint aa 5 HY2 Alarm 2 hysteresis With the hysteresis settings it is possible to prevent relays from chattering at Hysteresis for PV high limit alarm Point of ON OFF action Output Alarm 3 hysteresis aia Alarm set
33. alarm SP alarm 100 0 to 100 0 of PV range Deviation alarm 100 0 to 100 0 of PV range span Output alarm 5 0 to 105 0 Timer alarm for alarm 1 only 0 00 to 99 59 hour min or min sec Allows alarms 1 to 4 1 A1 to 1 A4 to be set for target setpoint 1 1 SP PV high limit SP high limit alarm 100 0 of PV range Deviation alarm 0 0 of PV range span Other PV SP low limit alarm 0 0 of PV range Output high limit alarm 100 0 Output low limit 1 0H Heating side output high limit in heating cooling control Heating side limiter in heating cooling control 0 0 to 105 0 1 0L lt 1 0H Four alarms can also be set for target setpoints alarm 0 0 2 to 8 P Proportional band Heating 0 1 to 999 9 5 0 side proportional band In heating cooling control 0 0 to 999 9 in heating cooling control heating side on off control applies when 0 0 l Integral time OFF 0 1 to 6000 sec 240 sec Heating side integral time in heating cooling control D Derivative time OFF 0 1 to 6000 sec 60 sec Heating side derivative time in heating cooling control Output high limit 5 0 to 105 0 100 Heating cooling control 100 0 1 0L Output low limit Cooling side output high limit in heating cooling control 5 0 to 105 0 Cooling side limiter in heating cooling control 0 0 to 105 0 1 0L lt 1 0H SD shutdown Set in manual operation in 4 20 mA control o
34. be used by Yokogawa service personnel to check the controller functions User cannot set or change these parameters 4 Submenu R485 is displayed only for the controller with communication function 5 Submenu VALY is displayed only for the position proportional controller IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 6 5 2 Lists of Parameters This section describes the functions of parameters briefly In addition each parameter table has a User Setting column where you can record your setpoints when setting them in the controller Parameters relating to PV or setpoints should all be set in real numbers For example use temperature values to define target setpoints and alarm setpoints for temperature input The User Setting column in the table is provided for the customer to record setpoints Numbers in are the parameter setpoints that apply when the communication func tion is used ex REMOTE 1 LOCAL 0 E Operating Parameters Operation Mode Parameters Located in Main menu MODE Parameter Name of Parameter Setting Range and Description Initial Value User Symbol Setting Mo D E Remote Local Set to Local when carrying out control using the target setpoints of LOCAL 0 switching the controller or to Remote when using target setpoints acquired via R L a communication REMOTE 1 Remote mode LOCAL 0 Local mode MOD E Run Stop
35. below 9 Press the 4 or key to display the required setpoint The figure below shows an example of setting a 800 0 C MENU UTMD IN 29 Lg PV1 range high 1 SP 0 0 C changing vy ria ft ta P RH1 800 0 DV Blinks during change a o0 m m Cet Ios I 7 JL Ake 10 Press the key once to register the setpoint MENU UTMD IN 29 PV1 range high SETUP P RH1 800 0 IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 2 Initial Settings gt 2 12 2 6 Setting Control Output Type except for a Position Proportional Controller The following operating procedure describes an example of changing time proportional PID relay output 0 factory shipped value to current output 2 Control output terminal Values in parentheses are setpoints Time proportional PID relay 0 on off 3 output Current 2 time proportional PID voltage pulse 1 output D For details on the output terminals for heating cooling control see 1 5 Terminal Wiring Diagrams 1 Bring the operating display into view display appears at power on Displays PV HE In steps 2 and later illustration
36. describes an example of setting 60 0 C to input switch ing PV upper limit U1 After that you can set input switching PV lower limit U2 1 Bring the operating display into view display appears at power on Displays PV In steps 2 and later illustrations of the LCD are cited to explain the procedure 2 Press the key for more than 3 seconds to call up the main menu MODE MODE mode parameter main menu 3 Press the 4 key twice to display the main menu USR USR user parameter main menu oo iryo Pet s JL As 4 Press the key once to display the parameter U1 MENU USR 1 upper set point U1 0 0 5 Press the LAJ or YJ key to display the required setpoint MENU USR 1 Upper set point changing U1 60 0 Blinks during change Press the key once to resister the setpoint MENU USR 1 Upper set point U1 60 0 You can take the same steps for Input Switching PV lower limit U2 that is dis played after this 7 Press the key for more than 3 seconds This returns you to the display s
37. example of setting 160 0 to alarm 1 setpoint Check alarm type before setting the alarm setpoint When changing the alarm type see 2 11 Changing Alarm Type Alarm output terminals Factory set defaults Alarm 1 terminal numbers PV high limit alarm Alarm 2 terminal numbers PV low limit alarm Alarm 3 terminal numbers PV high limit alarm Alarm 4 terminal numbers PV low limit alarm 1 Bring the operating display into view display appears at power on Displays PV Displays target setpoint 1 1 SP In steps 2 and later illustrations of the LCD are cited to explain the procedure NSP 100 0 C 10 0 10 ai ee IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 2 Press the key for more than 3 seconds to call up the main menu MODE MODE mode parameter main menu 3 Press the key once to display the main menu LP1 LP1 loop 1 parameter main menu 4 Press the key once to display the submenu PAR PAR parameter sub menu 5 Press the 4 key once to display the submenu 1 PID 1 PID PID parameter SPno 1 sub menu
38. expansion for single controller applications I O expansion for dual controller applications 9 Coordinated master station 2 loop mode 10 Coordinated slave station loop 1 mode 11 Coordinated slave station loop 2 mode Terminal numbers amp and 6 terminals for 2 wire connection 600 0 1200 1 2400 2 4800 3 9600 4 19200 5 38400 6 bps NONE 0 None EVEN 1 Even ODD 2 Odd OnRWOnN A0 9600 4 EVEN 1 STP2 Stop bit 2 12 DLN2 ADR2 Data length 2 Address 2 7 8 8 is fixed for Ladder 1 to 99 However the maximum number of stations connectable is 31 RP T2 Minimum response time 2 0 to 10 x 10 ms IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 28 Value Calibration Related Parameters Displayed for Position Proportional Controllers Located in Main menu UTMD Submenu VALV Parameter Symbol V AT Name of Parameter Automatic valve adjustment Setting Range and Description Automatically adjusts the fully closed and fully opened positions of a valve When this function is used there is no need for adjustment using the parameters V RS V L and V H OFF 0 ON 1 Start automatic adjustment Initial Value User Setting OFF 0 y RS Valve position setting The parameters V RS V L and V H are designed for 0 reset manual a
39. following explains an example of letting Analog OUTPUT 1 terminals 46 and 4 and Analog OUTPUT 3 terminals 4 and present the parallel mode characteristics of split computations 1 Set the Control Output Type OT1 parameter to 2 This sets the control output to current output 2 Set the Retransmission Output 1 RET1 parameter to 3 This sets the retransmission output to control output retransmission 3 Set the Analog Output 1 100 Segmental Point A1H parameter to 100 4 Set the Analog Output 1 0 Segmental Point A1L parameter to 25 5 Set the Analog Output 3 100 Segmental Point A3H parameter to 75 6 Set the Analog Output 3 0 Segmental Point A3L parameter to 0 The figure below shows an example where both analog outputs 1 and 3 are set to the current signal of 20 to 0 mA DC The type of output signal can be determined separately for each of the analog outputs listed above using the following three parameters Analog output 1 Analog output 1 type AO1 Analog output 2 Analog output 2 type AQ2 Analog output 3 Analog output 3 type AQ3 Analog output 3 100 segmental point A3H mA A o 100 Analog output 1 100 segmental point A1H c 2 5 a 5 75 8 5 output 1 T o 10 50 oO gt 3 a O 15 25 Analog output 3 0 segmental point A3L Analog output 1 0 segmental point A1L
40. for a temperature range from 100 C to 200 C Note 3 Not used in loop control with PV switching To receive a 4 20 mA DC signal select a standard signal of 1 to 5 V DC and connect it to a 250 Q resistor This resistor is optional Model X010 250 2 resistor with M3 5 crimp on terminal lugs IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 2 Initial Settings gt 2 10 2 5 Setting Controlled PV Input Range The following operation describes a procedure of setting controlled PV range Controlled PV range Setting the parameters in i this section P RL1 P RH1 IN3 SI i ooe a m Setting the parameters in previous section IN1 lt RL1 or SL1 RH1 or SH1 0 100 200 800 C 1 Bring the operating display into view display appears at power on Displays target setpoint 1 1 SP Displays PV I m Tis ato a E 2 Press the key for more than 3 seconds 4 Press the key once to display the main to call up the main menu MODE menu LOOP1 MODE LOOP1 mode parameter loop 1 setup para main menu SETUP main menu 3 Press the X key once to display the main 5 Press the key once to display the main menu STUP menu UTMD STUP UTMD
41. in the PV Input 1 Decimal Point Position SDP1 parameter To shift the decimal point for temperature input use this parameter For example set as P DP1 0 to change a temperature reading of one decimal place to that of no decimal places This involves reconfiguring the PRH1 and P RL1 parameters P RL1 Minimum value of PV range P RL1 lt P RH1 where P RH1 P RL1 30000 0to4 P RH Maximum value Setting controlled PV range Maximum value of PV range 19999 to 30000 of PV input 1 range or scale Minimum value of PV input 1 range or scale IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 24 Output related Parameters Located in Main menu UTMD Submenu OUT Parameter Symbol OT1 Name of Parameter Control output type Setting Range and Description Time proportional PID relay contact output terminals Time proportional PID voltage pulse output terminals 0 1 2 Current output terminals 3 ON OFF control relay contact output terminals 4 Heating side relay output terminals 0 cooling side relay output terminals O 5 Heating side pulse output terminals cooling side relay output terminals 6 Heating side current output terminals cooling side relay output terminals 7 Heating s
42. input 1 type action 105 of PV input 1 range if set to Upscale 5 0 of PV input 1 range if set to Downscale OFF 0 Disable UP 1 Upscale DOWN 2 Downscale RJC1 Presence absence Allows input compensation to be applied to thermocouple input ON 1 of PV input 1 OFF 0 Absent reference junction ON 1 Present compensation IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 23 Parameter Symbol IN2 Name of Parameter Setting Range and Description Although not used in Loop Control with PV Switching it is shown on the display Initial Value User Setting UNI2 Although not used in Loop Control with PV Switching it is shown on the display RH2 Although not used in Loop Control with PV Switching it is shown on the display RL2 Although not used in Loop Control with PV Switching it is shown on the display SDP2 Although not used in Loop Control with PV Switching it is shown on the display SH2 Although not used in Loop Control with PV Switching it is shown on the display SL2 Although not used in Loop Control with PV Switching it is shown on the display BSL2 Although not used in Loop Control with PV Switching it is shown on the display RJC2 Although not used in Loop Control with PV Switching it is shown on the display P UN1 0
43. instrument range 1 digit X 0 0 to 1900 0 C 0 5 of instrument range 1 digit at 800 C or more PR20740 PRESO 17 32 to 3400 F No accuracy is guaranteed at less than 800 C W97Re3 0 0 to 2000 0 C Po ek W75Re25 W97Re3 18 32 to 3600 F 0 2 of instrument range 1 digit JPt1 30 peters 7 0 1 of instrument range 1 digit Note 1 Note 2 JPt100 300 0 to 1000 0 F Jpt2 31 7150 00 to 150 00 C 4 2 of instrument range 1 digit Note 1 200 0 to 300 0 F E 200 0 to 850 0 C RTD pee 300 0 to 1560 0 F i 0 1 of instrument range 1 digit Note 1 Note 2 200 0 to 500 0 C Ptt00 Pe tse 300 0 to 1000 0 F 150 00 to 150 00 C eee i Pt3 37 200 0 to 300 0 F 0 2 of instrument range 1 digit Note 1 Standard 0 4to2V 0 4 to 2V 40 0 400 to 2 000 V signal 1to5V 1 to 5V 41 1 000 to 5 000 V Oto2V 0 to 2V 50 0 000 to 2 000 V eet a 0to10V Oto 10V 51 0 00to 10 00 V_ 2 1 instrument range 1 digit 000 to 125V Display range is scalable in a range of 19999 to 30000 DC voltage Note 3 0 00 to 1 25 V 52 0 000 to 1 200 V Display span is 30000 or less 10 to 20 mV mV1 55 10 00 to 20 00 mV 0 to 100 mV mV2 56 0 0 to 100 0 mV Performance in the standard operating conditions at 23 2 C 55 10 RH and 50 60 Hz power frequency Note 1 The accuracy is 0 3 C of instrument range 1 digit for a temperature range from 0 C to 100 C Note 2 The accuracy is 0 5 C of instrument range 1 digit
44. it is shown on the display A BS3 Analog input 3 bias Used to correct the PV input 2 value 0 0 of PV z 100 0 to 100 0 of PV input 2 scale span input 2 scale span A FL3 Analog input 3 filter OFF 0 Disable OFF 0 1 to 120 sec A S R3 Analog input 3 OFF 0 Do not compute the square root OFF 0 square root ON 1 Compute the square root computation A LC3 Analog input 3 low 0 0 to 5 0 1 0 signal cutoff The slope equals 1 at levels below the low signal cutoff point IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 19 Retransmission Output Parameters Located in Main menu CMLP Submenu RET Parameter Name of Parameter Setting Range and Description Initial Value User Symbol Setting RET1 Retransmission OFF 0 Disable 1 output 1 type 1 PV1 2 SP1 3 OUT1 4 LPS loop power supply 15 V 5 PV2 6 SP2 7 OUT2 Setpoints 5 to 7 are not available for loop control with PV switching Retransmission output 1 is always provided via terminals 14 and 15 In position proportional control a valve opening signal 0 to 100 is transmitted if setpoint 3 is selected In heating cooling control an output value before allocation to heating cooling control 0 to 100 is transmitted if setpoint 3 is selected 0 to 50 Cooling side output 50 to 100 Heating side output RTH1 Maximum v
45. output to be presented 0 OUTPUT 1 as one of the following current signals Terminals and D 0 4 to 20 mA Analog output 2 type 1 0 to 20 mA 0 AQ2 OUTPUT 2 2 20to4mA Terminals and 3 20 to 0 mA AO3 Analog output 3 type 0 OUTPUT 3 Terminals and A1 H Analog output 1 100 Set the values of segmental points for the 0 and 100 output 100 0 segmental point levels at which the values are presented via OUTPUT 1 Analog output 1 0 terminals and D See M Performing Split Computations below 0 0 A1 L segmental point 5 0 to 105 0 A2 H Analog output 2 100 Set the values of segmental points for the 0 and 100 output 100 0 segmental point levels at which the values are presented via OUTPUT 2 Analog output 2 0 terminals and See M Performing Split Computations below 0 0 A2L segmental point 5 0 to 105 0 A3 H Analog output 3 100 Set the values of segmental points for the 0 and 100 output 100 0 segmental point levels at which the values are presented via OUTPUT 3 Analog output 3 0 terminals and See tl Performing Split Computations below 0 0 5 0 to 105 0 IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 25 E Performing Split Computations V mode Output The following explains an example of letting Analog OUTPUT 1 terminals 46 and and Analog OUTPUT 3 terminals 4 and 45 present the V mode characteristics of s
46. the key for more than 3 seconds to call up the main menu MODE MODE mode parameter main menu 3 Press the key once to diiMuay the main menu STUP STUP password input main menu ean Ee 4 Press the key once to display the main menu LOOP1 LOOP1 loop 1 setup para SETUP main menu 5 Press the X key once to display the main menu UTMD UTMD UT750 configuration SETUP main menu 6 submenu MD MD UT mode set SETUP sub menu 7 Press the key twice to display the submenu INIT INIT parameter initialize SETUP sub menu IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 8 9 Press the key once to display the parameter INI MENU UTMD INIT 1 parameter initialize SETUP Press the 4 key to display ON MENU UTMD INIT 1 parameter initialize changing N Blinks during change 2 17 lt 2 Initial Settings gt 10 Press the key once The dis
47. 0 0 of PV input 1 range a inearizer 1 input 4 Ten segment 66 7 to 105 0 of PV range span 0 0 of PV range span 0 0 of 1 04 inearizer 1 output 4 66 7 to 105 0 of PV range when in ten segment linearizer approximation PV range when in ten segment linearizer approximation 5 Ten segment 66 7 to 105 0 of PV input 1 range 0 0 of PV input 1 range a inearizer 1 input 5 Ten segment 66 7 to 105 0 of PV range span 0 0 of PV range span 0 0 of 1 65 inearizer 1 output 5 66 7 to 105 0 of PV range when in ten segment linearizer approximation PV range when in ten segment linearizer approximation 6 Ten segment 66 7 to 105 0 of PV input 1 range 0 0 of PV input 1 range a inearizer 1 input 6 Ten segment 66 7 to 105 0 of PV range span 0 0 of PV range span 0 0 of 1 66 inearizer 1 output 6 66 7 to 105 0 of PV range when in ten segment linearizer approximation PV range when in ten segment linearizer approximation 7 Ten segment 66 7 to 105 0 of PV input 1 range 0 0 of PV input 1 range a inearizer 1 input 7 Ten segment 66 7 to 105 0 of PV range span 0 0 of PV range span 0 0 of 1 07 inearizer 1 output 7 66 7 to 105 0 of PV range when in ten segment linearizer approximation PV range when in ten segment linearizer approximation 8 Ten segment 66 7 to 105 0 of PV input 1 range 0 0 of PV input 1 range a inearizer 1 input 8 Ten segment 66 7
48. 00 0 C 10 0 10 I ot E a oe DV In steps 2 and later illustrations of the LCD are cited to explain the procedure 2 Press the key for more than 3 seconds 5 Press the key once to register the to call up the main menu MODE setpoint MODE MENU MODE 6 mode parameter Hiei main menu SPNO 2 3 6 the parameter SPNO This returns you to the display shown at power on figure below MENU MODE 6 SPno select gt gt Displays 2 SP 140 0 C SPNO 1 C i 0 ey a o oo oreo 94 os Z ILA 4 Press the 4 or key to display the required setpoint MENU MODE 6 SPno select changing SPNO 2 Blinks during change IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 3 Operations gt 3 11 3 7 Switching between Run and Stop Selection between the Run state RUN and Stop state STOP can be made with contact input 6 DI6 RUN when DI6 is set to OFF STOP when DI6 is set to ON When at a stop the controller behaves as described below PV input Displays the PV value
49. 000 00 lt Toc gt 10 Press the key once to register the setpoint MENU UTMD IN 1 input 1 type select SETUP IN1 typeK3 parameter UNI1 PV input 1 unit MENU UTMD IN 2 input 1 unit select SETUP UNIT C parameter RH1 maximum value of PV input 1 range MENU UTMD IN 3 input 1 range high SETUP RH1 500 0 13 Press the 4 or Z key to display the required setpoint The figure below shows an example of setting the maximum value of the PV input range to 200 0 C MENU UTMD IN 3 input 1 range high changing 0 0 Blinks during 14 Press the 2 key once to register the setpoint MENU UTMD IN 3 input 1 range high SETUP RH1 200 0 lt 2 Initial Settings gt 2 8 15 Press the 5 key once to display the parameter RL1 minimum value of PV input 1 range MENU UTMD IN 4 input 1 range low SETUP RLI 200 0 16 Press the 4 or key to display the required setpoint The figure below sh
50. 105 0 of PV range when in ten segment linearizer approximation 0 0 of PV range span 0 0 of PV range when in ten segment linearizer approximation 2 a2 Ten segment linearizer 2 input 2 66 7 to 105 0 of PV input 2 scale 0 0 of PV input 2 scale 2 62 Ten segment linearizer 2 output 2 66 7 to 105 0 of PV range span 66 7 to 105 0 of PV range when in ten segment linearizer approximation 0 0 of PV range span 0 0 of PV range when in ten segment linearizer approximation 2 a3 Ten segment linearizer 2 input 3 66 7 to 105 0 of PV input 2 scale 0 0 of PV input 2 scale 2 63 Ten segment linearizer 2 output 3 66 7 to 105 0 of PV range span 66 7 to 105 0 of PV range when in ten segment linearizer approximation 0 0 of PV range span 0 0 of PV range when in ten segment linearizer approximation 2 a4 Ten segment linearizer 2 input 4 66 7 to 105 0 of PV input 2 scale 0 0 of PV input 2 scale 2 04 Ten segment linearizer 2 output 4 66 7 to 105 0 of PV range span 66 7 to 105 0 of PV range when in ten segment linearizer approximation 0 0 of PV range span 0 0 of PV range when in ten segment linearizer approximation 2 a5 Ten segment linearizer 2 input 5 66 7 to 105 0 of PV input 2 scale 0 0 of PV input 2 scale 2 05 Ten segment linearizer 2 output 5 66 7 to 105 0 of PV range span 66 7 to 105 0 of PV range when in ten
51. 4 Press the key three times to display the parameter U3 MENU USR 3 changing method 5 Press the 4 or key to display the required setpoint PV switching within a set temperature range The parameter U3 is 0 factory shipped value Set the parameter U1 and U2 See 2 10 Setting Input Switching PV Range PV switching at the upper limit The parameter U3 is 1 Set the parameter U1 See 2 10 Setting Input Switching PV Range PV switching by contact input The parameter U3 is 2 According to the on off status of the contact input 7 DI7 as shown below Contact input 7 is ON PV input 2 is selected Contact input 7 is OFF PV input 1 is selected MENU USR 3 changing method changing U3 2 Blinks during change 6 2 18 lt 2 Initial Settings gt Press the key once to resister the setpoint MENU USR 3 changing method U3 2 7 Press the key for more than 3 seconds This returns you to the display shown at power on IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 2 19 lt 2 Initial Settings gt 2 10 Setting Input Switching PV Range The following operating procedure
52. 5 V loop Retransmission Alarmi function power supply output Signal comparison Lrelay H relay e key key 2 T a CRET2 CRET OUTPUT FEEDBACK terminals terminals and and Relay output 1 2 3 e 4 Feed back Current Current input Direct reverse signal terminals terminals and D and Motor driven valve Valve position sliding resistor e O Terminal C Parameter Function _ gt lt Legend gt Analogsignal gt Contact signal lt gt Front panel key IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 6 Function Block Diagram and Descriptions gt 6 5 Functions and Parameters for Loop Control with PV Switching in Initial State Functions and parameters in initial state are given in the tables below For details on each parameter refer to 5 2 Lists of Parameters E PV Input 1 PV input 1 INPUT1 is a universal input which can receive signals from thermocouple RTD or DC voltage signals The controller is capable of biasing square root extraction first order lag computation filtering ten segment linearizer approximation and ten seg ment linearizer biasing on input signals After switching between PV input 1 and 2 the controller is capable of first order lag compu tation filtering and biasing on the signals Each function can
53. DC loop power supply OUTPUTS uses the same terminal as retransmission output 1 or 2 The 15 V DC loop power supply can not be used when retransmission output 1 or 2 is used To use the 15 V DC loop power supply set 4 in retransmission output 1 type RET1 or retransmission output 2 type RET2 Each function can be set by the following parameters Setup Parameters Function Parameter Main menu Submenu Retransmission output 1 type RET1 CMLP RET Retransmission output 2 type RET2 CMLP RET IM05D01B02 46E 1st Edition May 31 2000 00 lt Int gt lt Toc gt l Revision Information Title Model UT750 Digital Indicating Controllers User s Manual for Loop Control with PV Switching Manual No IM 05D01B02 46E May 2000 1st Edition Newly published Written by Products Documents Controllers amp Conditioners Division Yokogawa M amp C Corporation Published by Yokogawa M amp C Corporation 1 19 18 Nakacho Musashino shi Tokyo 180 0006 JAPAN IM05D01B02 46E 1st Edition May 31 2000 00
54. FAIL output is on during normal operation and turns off in case of failure Hysteresis e De energized on j Closed PV low limit Open lit unlit A 4 Alarm setpoint OFF 1 11 2 12 3 13 4 14 1 IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 2 23 lt 2 Initial Settings gt Stand by Action gt 6 Treated as normal Normal Abnormal gt The alarm output turns on P Low limit of Power on lt alarm setpoint The alarm output does not turn on in this region even if the PV value is below the low limit of the alarm setpoint gt Time 2 12 Description of Multiple Setpoints and PID The UT750 has a maximum of eight target setpoints and has PID for each of these setpoints The following shows the correspondence between the target setpoint numbers SPNO target setpoints SP and PID parameters For example if you have set 2 to the target setpoint number SPNO the control param eters available are target setpoint 2 SP proportional band heating side proportional band 2 P integral time heating side integral time 2 1 derivative time heating side derivative time 2 D cooling side proportional band 2 Pc cooling side integral time 2 Ic and cooling side derivative time 2 Dc To use multiple target setpoints see the table below to check the corresponding param
55. If the PV input s sampling period is 50 ms however the sampling period of an auxiliary analog input signal lengthens to 100 ms Input resistance About 1 MO Input accuracy 0 3 1 digit of input span for 0 to 2 V DC 0 2 1 digit of input span for 0 to 10 V DC 0 375 1 digit of input span for 0 4 to 2 0 VDC 0 3 1 digit of input span for 1 to 5 V DC Under standard operating conditions 23 2 C 55 10 RH power frequency of 50 60 Hz IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 1 Installation gt 1 8 Feedback Resistance Input Provided for position proportional type only terminals 4 Slide resistance value 100 Q to 2 5 KQ of overall resistance burnout detection for sliding wire provided e Measuring resolution 0 1 of overall resistance Loop Power Supply Power is supplied to a two wire transmitter 15 V DC terminals 49 45 A resistor 10 to 250 Q connected between the controller and transmitter converts a current signal into a voltage signal which is then read via the PV input terminal Supply voltage 14 5 to 18 0 V DC max 21 mA provided with a protection circuit against a field short circuit Retransmission Output Either PV target setpoint or control output is output Either the retransmission output or the loop power supply can be used with terminals 9 8 e Number of outputs 1 or 2 terminals 4 4 terminals 46 4 e Output signal 4 20 0 20 20 4 or 20 0 mA DC
56. Input 2 Types The following operating procedure describes an example of setting the PV input 1 type toa K type thermocouple 200 0 to 500 0 C and a measurement range of 0 0 to 200 0 C You can take the same steps for PV input 2 type IN3 and scale SH3 SL3 that are displayed after the PV input 1 related parameters PV input 1 Factory shipped setting Not configured Thermocouple mV V input PV input terminal DU es anean PV input 2 Factory shipped setting 1 to 5 V DC PV input terminal MVM OINDUt iss ec sedi steers eeetea telat aa Example of Voltage Input 4V 5V Instrument He PV input range I to be p 9 controlled Set a range to 0 0 C 800 0 C le PV input scale be controlled Minimum value of Maximum value of PV input range RL1 PV input range RH1 0 0m h 50 0m h Minimum value of Maximum value of Parameters to be set for temperature input PV input scale SL1 PV input scale SH1 1 PV input type IN1 Set according to a sensor Parameters to be set for voltage input 2 Maximum value of PV input range RH1 Set the maximum value of the range to be controlled 3 Minimum value of PV input range RL1 Set the minimum value of the range to be controlled 1 PV input type IN1 Set according to an input signal 2 Maximum value of PV input range RH1 Set the maximum value of an input signal 3 Minimum value of PV input range RL1 Set the minimum value
57. MENU LP1 PAR 1 auto tuning switch AT 1 8 During auto tuning the panel indications become as shown below MAN1 lamp blinks 1 SP 100 0 C PID 1 OUT 100 0 0 50 100 Auto tuning is complete when the MAN1 lamp goes off IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 3 4 Setting PID Manually lt 3 Operations gt If you know the values to be set or if suitable PID constants cannot be obtained by auto tuning follow the procedure below to set values 1 Bring the operating display into view display appears at power on Displays PV Displays target setpoint 1 SP 100 0 C 10 ee eee In steps 2 and later illustrations of the LCD are cited to explain the procedure 2 Press the key for more than 3 seconds to call up the main menu MODE MODE mode parameter main menu 3 Press the key once to display the main menu LP1 LP1 loop 1 parameter main menu 4 Press the key once to display the submenu PAR PAR parameter sub menu 5 Press the A key once to display the submenu
58. Mount it directly contact rating to the relay coil terminal socket IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 1 Installation gt 1 6 Cable Specifications and Recommended Cables Purpose Name and Manufacturer Power supply grounding relay contact outputs 600 V PVC insulated wires JIS C 3307 0 9 to 2 0 mm Thermocouple Shielded compensating lead wires JIS C 1610 LJX L1 See Yokogawa Electric s GS 6B1U1 E RTD Shielded wires three conductors UL2482 Hitachi Cable Other signals Shielded wires Recommended Terminal Lugs Applicable wire size Tightening torque 0 3 to 1 65 mm 0 8 N m or less 3 7mm 3 7mmed 7 mm or less Q 7 mm or less Terminal Covers Target Model Part Number Sales Unit For UT750 T9115YD 1 IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 1 Installation gt 1 7 1 4 Hardware Specifications PV Input Signals PV Input 1 Number of inputs 1 terminals 4 42 49 Input type Universal input system The input type can be selected with the software Sampling period 50 100 200 and 500 ms The sampling period can be selected with the software Initial value 200 ms Burnout detection Functions at TC RTD standard signal 0 4 to 2 V or 1 to 5 V Upscale downscale and off can be specified For s
59. OT1 At this point the controller must be wired correctly according to the selected type of control output Check the wiring first if the controller provides no control output To do this refer to 1 5 Terminal Wiring Diagrams With the parameters OH and OL it is possible to set change the high and low limits of control output The control output may not change at all however because of restrictions on these parameters Also check the restrictions on these parameters The control output can only be changed when the controller is in the MAN mode If the MAN1 lamp is off i e the controller is in the AUTO mode you cannot change the control output using key operation The Control Output does not Change soon after the Target Setpoint SP has been Changed If this happens check the setpoint of the parameter MOD In cases where fixed point control is selected as the PID control mode MOD 1 tracking based on the I term works to prevent the control output from changing suddenly even if the target setpoint SP is varied The control output therefore may appear to be working incorrectly at first however it gradually adapts itself to the new target setpoint Be especially careful when the controller is in the fixed point control mode the control output may fail to change and therefore result in a loss of control if you change the target setpoint SP too frequently IM05D01B02 46E 1st Edition May 31 2000 00 lt
60. PT SP tracking selection OFF 0 ON 1 ON 1 Tracking is performed when the mode changes from Remote to Local The local setpoint keeps track of the remote setpoint PVT PV tracking selection Causes the setpoint to keep track of the PV value so the setpoint OFF 0 automatically reverts to its original value at a preset rate of change The Setpoint Ramp up UPR and Setpoint Ramp down DNR parameters are used in combination Operating conditions 1 Manual operation gt Automatic operation 2 Stop Start of automatic operation 3 Power on 4 Change SP number OFF 0 Disable ON 1 Enable TM U Ramp rate time unit Time unit of setpoint ramp up UPR and setpoint ramp down DNR HOUR 0 setting HOUR 0 Denotes per hour MIN 1 Denotes per minute S P H Target setpoint limiter 0 0 to 100 0 of PV range 100 0 of upper limit Note that SPL lt SPH PV range Target setpoint limiter Places limits on the ranges within which the target setpoints 0 0 of S P L lower limit 1 SP to 8 SP are changed PV range IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 16 Alarm related Parameters Located in Main menu LOOP1 Submenu ALM DY1 to 20 or 28 to 31 An alarm is output when the delay timer expires after the alarm setpoint is reached External contact Closed Open y Open Closed On Open
61. SP number setting DP1 Operating display interruption 1 DP2 Operating display interruption 2 MG1 MG2 Message display interruption 1 Message display interruption 2 MG3 Message display interruption 3 MG4 Message display interruption 4 If all of the SP parameters of a contact input are set to OFF the controller uses the immediately preceding SP User Setting Initial Value 5161 5162 5163 5164 IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 22 UT Mode Parameters Located in Main menu UTMD Submenu MD Parameter Name of Parameter Symbol UTM Controller mode UT mode Setting Range and Description 6 Loop Control with PV Switching For another controller mode see the User s Manual Reference CD ROM version Initial Value User Setting SM P PV sampling period 50 100 200 and 500 ms 200 ms setting SM EC Sampling period 0 to 30000 Shows 0 at error counter power on reading only Input related Parameters Located in Main menu UTMD Submenu IN Parameter Name of Parameter Setting Range and Description Initial Value User Symbol Setting PV input 1 type INPUT 1 terminals Terminals O and amp IN1 Specify the type of PV input 1 as a range code See Instrument Input Rang
62. SPB SPH SPB SPIs SPY SPR SP Dit 49 o So 45V 19 registration setup parameters Dit ON OFF ON OFF ON oFF ON OFF I 1 12 p Alarm2output DO2 5 Di2 OFF ON ON OFFIOFF ON ON OFF pie 18l o Di2 18 i Extemal 2 Note 1 The alarm 3 output parameters of DIS OFFIOFF OFF ON ON ON ON OFF 5V i rasistor PV input lt A Do3 4 2 the DO3 and DOS outputs share the Di4 OFFIOFF OFFJOFF OFFIOFF OFF ON pia aol 40 H Not 1000 0 4 2 0 y DC Le A same function If all of the contact inputs are set to OFF 2 ce i H signa Common COMI 7 Note 2 The alarm 4 output parameters of the controller uses the immediately Di4 i the DO4 and DO6 share the same preceding target setpoint Di4 39 20 5V 39 i Alarm 4 output function AUTO when DI5 ON DI5 Note 2 DO4 34 MAN when DI5 OFF DIS 38 ee 38 p Two wire DIG transmitter Alarm 3 output 33 STOP when DI6 ON e 3 Moet DOS RUN when DI6 OFF Di6 37 90 5V 37 Y i 14 a i 1 oop power D Alarm 4 output PV input 2 when DI7 ON 36 O 36 1 g Note 2 Dos 22 PV input 1 when DI7 OFF Di7 Con i 4 20MADC supply NOTE 1 lanl i 20 20 1 18 0 V DC No function Do7 31 Common com J H 45 35 Contact rating 12 V DC 10 mA or more ooo Common COM NOTE 1 When operating parameter U3 set to 2 effective to contact input i Note Connecting a 100 0 resistor to the terminals is optional Relay contact rating 240 V AC 1 A Note External Contact Input 1 Model
63. T Allowable range 100 240 V AC 10 free voltage 4 20mADC 17 Voltage pulse 12V 77 O m Default Unspecified retransmission type 0 20mADC Default 4 20 mA DC 50 60 Hz shared Factory set to PV retransmission Retransmission output 1 15 V DC loop power supply 14 4 20 or 20 mA DC 15 Default 4 20 mA DC gt ae Omie 5O Cooling side control output j 14 T 4 20 or 0 20 mA DC Default 4 20 mA DC Retransmission output 1 is not available if a 15 V DC loop power supply is used If you define the cooling side output as current output retransmission output 1 and the 15 V DC loop power supply can no longer be used Select this option from the OT1 parameter External contact outputs The functions of the external contact outputs are the defaults for heating cooling F gt P P i r i loop control with PV switching To change the functions reconfigure the contact m functions g me Srema Perse input
64. TION electric shock or other dangers that may result in injury or loss of life This symbol on the controller indicates that the operator must refer to an explanation in the The following symbols are used in the hardcopy user s manuals and in the user s manual supplied on the CD ROM A NOTE Indicates that operating the hardware or software in a particular manner may damage it or result in a system failure A IMPORTANT Draws attention to information that is essential for understanding the operation and or features of the controller E Regarding Force Majeure Yokogawa M amp C Corporation assumes no liability for any loss or damage direct or indirect caused by the use of or unpredictable defects of the product IM05D01B02 46E 1st Edition May 31 2000 00 lt Int gt lt Rev gt Toc 1 Model UT750 Digital Indicating Controllers User s Manual for Loop Control with PV Switching IM 05D01B02 46E 1st Edition CONTENTS 1 Installation scisshiwcatncisrcnstane ser rcnanacaneninnnaindiadevadiusiacevetaniactvinndamacosasanitineuiviads 1 1 1 1 M del and Suffix CodeS anene arenaene seieencteesenercsenesraneecnneercunecsaterdencerenters 1 1 1 2 How to Install 0 2 eceeeceeeeceee ee eeeeee ee eeneee seen nnee seen neeeeeeenneeeeeeesneeeeeenseeeeeeenseeeeeensnes 1 2 1 3 HOW to Connect Wires cecceeeeeseeeeeseeeeeteeesneeeenseeeseaeseseaeenseeeeeeesseseeeenseeeeeaees 1 5 1 4 Hardware Specifications ecccsccssse
65. Toc gt lt 4 Troubleshooting and Maintenance gt 4 5 4 2 Maintenance This section describes the cleaning and maintenance of the UT750 4 2 1 Cleaning The front panel and operation keys should be gently wiped with a dry cloth A NOTE Do not use alcohol benzine or any other solvents 4 2 2 Replacing Brackets When the brackets are broken or lost purchase the following brackets for replacement Target Model Part No Sales Unit UT750 T9115NL A large bracket and small bracket in pair SEE ALSO 1 2 How to Install for how to replace brackets 4 2 3 Attaching Terminal Cover When a terminal cover is necessary purchase the following part Target Model Part No Sales Unit UT750 T9115YD 1 IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 4 Troubleshooting and Maintenance gt 4 6 E Attaching Terminal Cover The procedure for attaching the terminal cover is as follows Do not touch the terminals on the rear panel when power is being supplied to the controller Doing so may result in electric shock CAUTION Before attaching the terminal cover turn off the source circuit breaker and use a tester to check that the power cable is not conducting any electricity 1 Before attaching the terminal cover fold it once or twice so that the side which has the Handle With Care symbol is on the outside MP Fold over Grooved Fold over Alert
66. UTM 1 Press the 4 0r Ww setpoint 6 key to display the MENU UTMD MD UT mode se ect 1 changing 6 Blinks during change IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 5 Press the key once to register the setpoint 6 MENU UTMD MD 1 UT mode select UTM SETUP 6 2 3 Changing UT mode lt 2 Initial Settings gt 2 4 6 The controller re starts which is normal Then set PV input type See 2 4 Setting PV Input 1 and PV Input 2 Types IN input set SETUP sub menu The following operation describes a procedure of changing a UT mode to Loop Control with PV Switching set 6 1 Bring the operating display into view display appears at power on Displays PV 2 Press the key for more than 3 seconds i Ss Displays target setpoint 1 1 SP mi SP 270 0 C oy lot tod to call up the main menu MODE MODE mode parameter main menu 3 Press the key once to display the main menu STUP STUP pa
67. alling PV IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 6 Function Block Diagram and Descriptions gt 6 8 2 Switching at the input switching PV upper limit specified with U1 U3 1 This method should be selected in cases where for example two thermocouples are used one for higher temperatures and the other for lower temperatures and a sudden change in PV is allowed when switching the thermocouple MV will change smoothly i e without any bumps however even when PV changes suddenly As shown in the figure below PV input 1 when input 1 is less than the upper limit for PV switching and PV input 2 when input 1 is no less than the upper limit for PV switching Hysteresis 0 5 of PV range is provided around the switching point Input 2 PV high temperature side Upper limit for p ebr feee input switching PV p 222255777777TTTT Input 1 low temperature side Time gt gt lt PV Input 1 PV Input 2 Switching at the Input Switching PV Upper Limit for PV Switching 3 Switching by contact input U3 2 The PV switching function is assigned to the contact input DI7 PV Input 1 when DI7 OFF PV Input 2 when DI7 ON MV will change smoothly i e without any bumps however even when PV changes suddenly IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 6 Function Block Diagram and Descriptions gt 6 9 E Contact Input It is possible to
68. alue RET1 1 2 RTL1 1 digit to 100 0 of PV range 100 0 of PV of retransmission RET1 3 RTL1 1 digit to 100 0 range output 1 scale RTL1 Minimum value RET1 1 2 0 0 of PV range to RTH1 1 digit 0 0 of PV of retransmission RET1 3 0 0 to RTH1 1 digit range output 1 scale R ET2 Retransmission Retransmission output 2 is available when the type of control OFF 0 output 2 type output is not current or voltage pulse The output is provided via terminals 16 and 17 OFF 0 Disable 1 PV1 2 SP1 3 OUT1 4 LPS loop power supply 15 V 5 PV2 6 SP2 7 OUT2 Setpoints 5 to 7 are not available for loop control with PV switching In position proportional control a valve opening signal 0 to 100 is transmitted if setpoint 3 is selected In heating cooling control an output value before allocation to heating cooling control 0 to 100 is transmitted if setpoint 3 is selected 0 to 50 Cooling side output 50 to 100 Heating side output RTH2 Maximum value RET2 1 2 RTL2 1 digit to 100 0 of PV range 100 0 of PV of retransmission RET2 3 RTL2 1 digit to 100 0 range output 2 scale RTL2 Minimum value RET2 1 2 0 0 of PV range to RTH2 1 digit 0 0 of PV of retransmission RET2 3 0 0 to RTH2 1 digit range output 2 scale Deviation Trend Parameters Located in Main menu CMLP Submenu TRND Parameter Name of Parameter Setting Range and Description Initial Value User Symbol Setti
69. ange the controller uses the parameters of the number selected in PID group number GRP PV input value Maximum value of Reference deviation RDV A slope is settovay N 6 f f a _ Reference deviation RDV the target setpoint Target setpoint 2 Minimum value of l PV range P RL1 OFF 0 Disable 0 0 to 100 0 of PV range span Analog Input Computation Parameters Located in Main menu CMLP Submenu AIN Parameter Name of Parameter Setting Range and Description Initial Value User Symbol Setting A BS1 Analog input 1 bias Used to correct the PV input 1 value beforehand 0 0 of PV a When in normal operation use the PV Input Bias BS operation input 1 range mode parameter span 100 0 to 100 0 of PV input 1 range span A FL1 Analog input 1 filter OFF 0 Disable OFF 0 1 to 120 sec A S R1 Analog input 1 Performs square root computation for the PV input 1 value OFF 0 square root OFF 0 Do not compute the square root computation ON 1 Compute the square root A LC1 Analog input 1 low 0 0 to 5 0 1 0 signal cutoff The slope equals 1 at levels below the low signal cutoff point A BS2 Although not used in Loop Control with PV Switching it is shown on the display A FL2 Although not used in Loop Control with PV Switching it is shown on the display A S R2 Although not used in Loop Control with PV Switching it is shown on the display A LC2 Although not used in Loop Control with PV Switching
70. appears at power on Displays PV Displays target setpoint 1 SP YSP 100 0 C geart I tol ry In steps 2 and later illustrations of the LCD are cited to explain the procedure 2 Press the 4 or key to display the required setpoint Blinks during change 3 Press the key once to register the setpoint 7 SP i 10 150 0 C IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 3 Operations gt 3 5 3 3 Performing Canceling Auto tuning Auto tuning should be carried out after setting a target setpoint SP Make sure the control ler is in automatic operation mode AUTO and in running state RUN before carrying out auto tuning See 3 8 Switching between AUTO and MAN to change to AUTO and 3 7 Switching between Run and Stop to change to Run A NOTE When on off control is being used auto tuning cannot be carried out Moreover do not perform auto tuning when controlling any of the following processes e Control processes with quick response such as flow control or pressure control e Processes where even temporary output on off results in inconvenience e Processes where a large output change at control element results in inconvenience e Processes where variations in PV may exce
71. arameter 1 a4 tal 1 a2 1 a3 1 a4 1 a11 i i Ten segment Actual PV input range linearizer input 66 7 to 105 0 of PV input 1 range IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 12 Parameter Symbol 1 a1 1 61 Name of Parameter Ten segment inearizer 1 input 1 Ten segment inearizer 1 output 1 Setting Range and Description 66 7 to 105 0 of PV input 1 range 66 7 to 105 0 of PV range span 66 7 to 105 0 of PV range when in ten segment linearizer approximation Initial Value 0 0 of PV input 1 range 0 0 of PV range span 0 0 of PV range when in ten segment linearizer approximation User Setting 1 a2 1 62 Ten segment inearizer 1 input 2 Ten segment inearizer 1 output 2 66 7 to 105 0 of PV input 1 range 66 7 to 105 0 of PV range span 66 7 to 105 0 of PV range when in ten segment linearizer approximation 0 0 of PV input 1 range 0 0 of PV range span 0 0 of PV range when in ten segment linearizer approximation 3 Ten segment 66 7 to 105 0 of PV input 1 range 0 0 of PV input 1 range a inearizer 1 input 3 Ten segment 66 7 to 105 0 of PV range span 0 0 of PV range span 0 0 of 1 63 inearizer 1 output 3 66 7 to 105 0 of PV range when in ten segment linearizer approximation PV range when in ten segment linearizer approximation 4 Ten segment 66 7 to 105 0 of PV input 1 range
72. assigned terminals as relay terminals Terminal wiring diagrams are shown on and after the next page IM05D01B02 46E 1st Edition May 31 2000 00 A9 20dl0dS0 NI 00 0002 L Ae uonipa IS Communication 1 PSL1 Communication 2 PSL2 RS 485 communication High performance RS 485 communication Wiring can only be carried out for controllers with 28 RDB 29 ROA gt 23 SDB gt 24 spac gt I 25 RDB 30 sG 26 Roa Control output 27 sa communication functions _ Relay contact output Note Select this option from before shipment Contact rating 250 V AC 3 A 30 V DC 3 A resistance load Power supply I CAUTION NG the OT1 parameter lt NO 4 2 Time proportional PID relay contact output is configured at factory IcoM lt 3 Before carrying out wiring turn off the power to the controller and check that cables to be Power supply E UT750 Loop Control with PV Switching Model UT750 01 or UT750 51 PV input 2 Wiring can only be carried out for controllers with auxiliary analog input PV input 1 See 2 Initial Settings Not configured at factory before shipment
73. ature and humidity control or Cascade control with two universal inputs IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 5 SET Press the F key once DISP Press the DISP key once Press the LA Jor CY key once C S1 DO1 AM1 PY1A IN1 OTI PSL1 V AT C S2 DO2 A M2 PY1B 7 UNI OT2 BPS1 V RS C S3 DO3 R L1 PY2A z RH1 CT1 PRI V L C S4 DO4 R L2 PY2B 2 RL1 CT2 STP1 V H C S5 DOS S R Lo oii SDP1 CTct DLN1 TR T E Do CAS SH1 CTc2 ADRI V MOD DO7 AUTO z su AO1 RPT1 R151 MAN i BSL1 AO2 PSL2 R152 SPO 3 RJC1 AO3 BPS2 R153 SP1 T IN2 A1H PRI2 R154 SP2 z UNI2 AIL STP2 R155 SP3 RH2 A2H DLN2 R156 DP1 o RL2 A2L ADR2 R157 DP2 2 SDP2 A3H RPT2 R158 MG1 z SH2 A3L R251 MG2 E SL2 R252 MG3 BSL2 R253 MG4 RJC2 R254 Lo T R255 R256 R257 R258 Note The parameter items shown on the TEST submenu of the setup parameter setting display are to
74. be set by the following parameters Setup Parameters Function Parameter Main menu Submenu Input selection IN1 UTMD IN Unit selection UNI1 UTMD IN Analog input range conversion RH1 RL1 SDP1 SH1 SL1 UTMD IN Analog input bias A BS1 CMLP AIN Square root extraction A SR1 A LC1 CMLP AIN Analog input filter A FL1 CMLP AIN Note PV input bias BS and PV input filter FL among the operating parameters are used as bias and filter when normal operation Analog input bias A BS1 and analog input filter A FL1 among the setup parameters are used when PV correction value is decided in advance Operating Parameters Function Parameter Main menu Submenu Ten segment linearizer mode 1 PMD PYS1 None Ten segment linearizer approximation biasing 1 a1 to 1 a11 1 61 to 1 611 PYS1 None IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 6 Function Block Diagram and Descriptions gt 6 6 E PV Input 2 PV input 2 INPUTS can receive DC voltage signals The controller is capable of biasing square root extraction first order lag computation filtering ten segment linearizer approxi mation and ten segment linearizer biasing on input signals Each function can be set by the following parameters Setup Parameters Function Parameter Main menu Submenu Input selection IN3 UTMD IN Unit selection UNI3 UTMD IN Analog input range conversion RH3 RL3
75. ce load Power supply CAUTION Power supply Before carrying out wiring turn off the power L to the controller and check that cables to be connected are not alive with a tester or the like because there is a possibility of electric shock lt t 8 Qe OCOCOCCOOHOOO 1 COOCOCQJOGCOOG I OJOIOIOQIOLOISIOLOQS OCDOOAAOACC Clee n Heating side control output PV input 1 Not configured at factory before shipment 12 13 B mV V input 120m 13O Be 13 optional lugs i 1 1 4 1 1 1 1 1 1 1 i 250 Q 4 20MA H 1 1 1 1 1 1 1 1 1 i 1 4 e E Receiving 4 20 mA DC Current Signals with the Controller When receiving 4 20 mA DC current signals set the PV input type to 1 5 V DC setpoint 41 lt Note Connecting a 250 Q resistor to the terminals is Model X010 250 2 resistor with M3 5 crimp on terminal Installation category overvoltage category II IEC1010 1 gt Note Select this option from the OT1 parameter Retransmission output 2 is available only when relay is selected as the type of control output pulse output Current voltage Retransmission output 2 QO Q OOOoOO 16 o somanc 4 20mADC
76. control there is no need for feedback input wiring Feedback type position proportional control is superior to the estimating type in terms of control performance When in manual operation you can directly manipulate the controller s output terminals Pressing the LA key sends the valve into opening motion while pressing the L J key sends it into closing motion The figure below shows a schematic representation of a loop configured for position pro portional control Controller Control computation i Control d Feedback output tee input 1 Direct action Comp 7 arator oO gt Valve position f Reverse mO signal action M Slide wire resistor RS Motor operated valve IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 6 Function Block Diagram and Descriptions gt 6 1 6 Function Block Diagram and Descriptions This chapter contains the function block diagrams for Loop control with PV switch ing Heating cooling loop control with PV switching and Position proportional loop control with PV switching For details on these function block diagrams refer to the descriptions mentioned later IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 6 Function Block Diagram and Descriptions gt 6 2 E Function Block Diagram for Loop Control with PV Switching
77. control with two universal inputs or Loop control with PV switching and two universal inputs IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 4 UT750 Setup Parameter Map Password To operating parameter setting check display display main menu MODE on the previous page weer eeteteetesepeceeeeneseetecaes LT voor Loz k gt om AW TMU AL4 ZON game ALCI LP1 SPH HY1 R MD i as lt A BS2 LP2 SPL HY2 R TM I LOOP1i A FL2 PID HY3 GRP i i A SR2 L USR HY4 LAP N i ng A LC2 PYS1 DY1 2 RP Son ABS3 PYS2 DY2 3 RP RMD AFL3 PWD DY3 4 RP 2 RTM A SR3 DY4 5 RP arenot A LC3 AMD 6 RP contained u E RHY pr E E EEEE EE OEA EEEE E AEEA RDV L Pressing the DISP key once when a parameter setting display is shown retrieves the submenu of that parameter setting display Parameters RMS and SPT are displayed only for the controller with auxiliary analog remote input 2 Displayed when parameter ZON is 1 3 Main menu LOOP2 is displayed when UT mode is Cascade control Dual loop control Temper
78. d in Main menu USR Parameter Name of Parameter Setting Range and Description Initial Value User Symbol Setting U User Parameter 1 Need to set parameter U3 0 or 1 0 0 of PV Input switching PV 0 0 to 100 of PV range range upper limit U2 User Parameter 2 Need to set parameter U3 0 0 0 of PV Input switching PV 0 0 to 100 of PV range range lower limit U3 User Parameter 3 0 Switching between using U2 and U1 parameters 0 Input switching PV 1 Switching using U1 parameter action 2 Switching using DI7 IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 1 1 The following parameter is for PV input 1 Ten segment Linearizer 1 Parameters PV input 1 Located in Main menu PYS1 e Ten segment linearizer biasing factory set default gt Correction Actual input Ten segment linearizer biasing Actual input Ten segment Ten segment linearizer output 66 7 to 105 0 of PV range span linearizer biasing gt j Ten segment 1 a1 1 a2 1 a3 1 a4 1 a5 a linearizer input 66 7 to 105 0 of PV input 1 range e Ten segment linearizer approximation Ten segment 4 The parameters 1 b5 to linearizer output 1 611 are equalized to the parameter 1 b4 1 b4 PV input range after ten segment linearizer approximation 1 b3 1 b2 1 61 66 7 to 105 0 of PV range The parameters 1 a5 to 1 a11 are equalized to the p
79. d when UT mode is Cascade secondary loop control or Cascade control 4 Parameter MODE R L2 is displayed only for the dual loop type controller with auxiliary analog remote input 3 Parameter MODE R L1 is displayed only for the controller with auxiliary analog remote input 5 Parameter MODE S R is displayed when the contact input registration parameter S R setup parameter is set to 0 6 Main menu LP2 is displayed when UT mode is Cascade control Dual loop control Temperature and humidity control or Cascade control with two universal inputs IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 3 SE Press the key once DISP Press the DISP key once SET1S Press the lt key for 1 second SET3S Press the J key for 3 seconds Press the LA Jor L7 J key once CSET u ipa eat resedebty U2 2 1 b1 2 b1 u3 li 4a2 i 2a2 u4 i 1b2 f 2b2 u5 ffi ta8 i if 2a3 fi recese be i us 13 ees T setup parameter K setting display U7 fyi tad
80. djustment of valve positions Setting V RS to 1 resets the valve adjustment settings and causes the indication V RS to blink y L Fully closed valve Pressing the SET ENT key with valve position Undefined position setting set to the fully closed position causes the adjusted value to be stored Vy H Fully opened valve Pressing the SET ENT key with valve position Undefined position setting set to the fully opened position causes the adjusted value to be stored When V H adjustment is complete V H stops blinking TR T Valve traveling time 5 to 300 sec 60 sec Used to operate a valve according to the estimated valve position Set the time required for the valve to open fully from a state of being fully closed Confirm the valve traveling time by consulting the datasheet of the valve s specifications The valve traveling time is only effective when Valve Adjustment Mode V MD is set to 1 or 2 V M OD Valve adjusting mode 0 Valve position feedback type 0 1 Valve position feedback type moves to the estimating type if a valve input error or burnout occurs 2 Valve position estimating type Parameter initializing Parameters Located in Main menu UTMD Submenu INIT Parameter Name of Parameter Setting Range and Description Initial Value User Symbol Setting Parameter initialization Be sure to carry out parameter initialization when any OFF 0 INI change is made to the PV input type PV input scale or decimal point
81. e Codes in 2 Initial Settings OFF 0 PV input 1 unit UNI1 Select the unit of PV input 1 0 Percent F 5 Fahrenheit C 1 Degree Celsius 2 No unit Depends on the PV input 1 type Max value of PV input 1 range Min value of PV input 1 range RH1 RL1 Set the instrument input range RL1 lt RH1 For temperature input Set the range of temperature that is actually controlled For voltage input Set the range of a voltage signal that is applied The scale across which the voltage signal is actually controlled should be set using the parameters Maximum Value of PV Input Scale SH1 and Minimum Value of PV Input 1 Scale SL1 Depends on the PV input 1 type PV input 1 decimal point position shown when in voltage input mode SDP1 Set the position of the decimal point of voltage mode PV input 1 0to4 0 No decimal place 1 One decimal place 2 to 4 Two three four decimal places Depends on the PV input 1 type Max value of PV input 1 scale shown when in voltage input mode Min value of PV input 1 scale shown when in voltage input mode SH1 SL1 Set the read out scale of voltage mode PV input 1 19999 to 30000 where SL1 lt SH1 Depends on the PV input 1 type Selection of PV input 1 burnout BSL1 Allows the PV input 1 value to be determined as shown below in case of PV input 1 burnout Depends on the PV
82. e instant where controller starts computation G RP PID group number Allows you to determine how many groups of setpoint alarm and 8 PID parameters the controller should show 1 Show one set 2 Show two sets 3 Show three sets 4 Show four sets 5 to 8 Show as many groups of parameters as have been set RP Zone PID reference 0 0 to 100 0 of PV range 100 0 of point 1 Note that 1 RP 2 RP 3 RP s 4 RP s 5 RP s 6 RP PV range IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 18 Parameter Name of Parameter Setting Range and Description Initial Value User Symbol Setting R HY Zone switching 0 0 to10 0 of PV range span 0 5 of PV hysteresis Allows hysteresis to be set for switching at a reference point range span R DV Reference deviation Used to select a group of PID parameters according to a deviation from OFF 0 the given target setpoint The controller uses the parameters of the number selected in PID group number GRP if the PV input falls outside the given deviation range The following example shows a case when only the reference deviation is set without setting any reference point The selected set of PID parameters is as follows Since region 1 is within the deviation range the controller uses the 1st group of PID parameters Since region 2 is outside the deviation r
83. eating side output A output output l i l l 7 NN I i 0 Z N gt 0 50 100 0 50 100 e ARAA A Aee Dead band Dead band Value of control output before split into Value of control output before split into heating and cooling side outputs heating and cooling side outputs Precautions in Heating Cooling Control e Keep the ratio of the heating side proportional band P to the cooling side propor tional band Pc equal to or below 5 e f neither the heating side nor the cooling side is performing ON OFF control setting the integral time I or Ic of one side to 0 results in the Integral Time parameters of both sides being set to OFF irrespective of the integral time setting of the other side IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 30 E Tips about Position Proportional Control for position proportional con trollers only Position proportional control can be of either feedback type or estimating type In feedback type position proportional control the controller obtains a valve position signal from a feedback slide wire resistor attached to a valve In estimating type position proportional control you set the operating time required for a valve to change from the fully closed position to the fully open position beforehand With the preset operating time the controller controls the valve by estimating its position In the case of estimating type position proportional
84. ed an allowable range adversely affecting product quality 1 Bring the operating display into view display appears at power on In steps 2 and later illustrations of the LCD are cited to explain the procedure 2 Press the key for more than 3 seconds to call up the main menu MODE MODE mode parameter main menu 3 Press the key once to display the main menu LP1 LP1 loop 1 parameter main menu 4 Press the key once to display the submenu PAR PAR parameter sub menu 5 the parameter AT MENU LP1 PAR 1 auto tuning switch AT OFF IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 6 Press the 4 or key to display the required setpoint Tuning for 1 SP is AT 1 To cancel auto tuning set AT OFF MENU LP1 PAR 1 auto tuning switch changing AT 1 Blinks during change lt 3 Operations gt 3 6 Press the key once to register the setpoint This starts auto tuning auto tuning will be cancelled In this case PID contains the value existing before auto tuning
85. ems are provided e Digital indicating controller of ordered model eeeeeeeeeeeenene 1 e Brackets mounting hardware sssssesssssessissrisrirsrirseirneinsrinnrinnerrnerens 1 pair lt Unit labelo ae aa aae aa aa aaiae 1 e User s Manuals for Single loop Control ssssseeeseeeeereerirerreerrererenes 5 A2 size e User s Manual Reference CD ROM version ssssssseeessseersereeereeeene 1 Using an optional custom computation building tool Model LL200 E10 that runs on a personal computer you can build a variety of computations e g four arithmetic operations logical operations ten segment linearizer computa tions temperature correction factor computations and pressure correction factor computations to be applied to the controller s I O signals IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 1 2 Howto install A NOTE To install the controller select a location where ji AVN o o NOg no one may accidentally touch the terminals mechanical vibrations are minimal corrosive gas is minimal temperature can be maintained at about 23 C and the fluctuation is minimal no direct radiant heat is present no magnetic disturbances are caused lt 1 Installation gt 1 2 no wind blows against the terminal board reference junction compensation element no water is splashed no flammable materials are around Never place the controller directly on fla
86. en setting alarm setpoints see 3 5 Setting Alarm Setpoints IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 2 Initial Settings gt 2 22 E List of Alarm Types The table below shows the alarm types and alarm actions In the table codes 1 to 10 are not provided with stand by actions while codes 11 to 20 are provided with stand by actions Alarm type code Alarm type code Alarm action Alarm action Contact Contact Contact Contact Alarm type Alarm type Open close shows status of relay contact Sloses opens Open close shows status of relay contact closes opens me am ifalarm if alarm uae pei if alarm if alarm and lit and unlit shows status of lamp occurs occurs and lit and unlit shows status of lamp occurs occurs wae o o l e Hysteresis Hysteresis _ PV high limit Open unlit j Closed lit _ PV Alarm setpoint De energized Open lit Closed on deviation low unlit 2 Hysteresis PV low limit Closed lit TEE cen oniy lt Alarm setpoint PV Hysteresis Deviation high Open unlit Closed lit limit a Deviation PV setpoint Target SP Hysteresis Hysteresis Closed Open Closed Deviation high lit i y unlit i and low limits A A Deviation setpoint PV paea gt Target SP Hysteresis Closed Hysteresis Deviation within Open high and low unlit limits limit alarm PV r Deviation setpoi
87. erivative OFF 0 1 to 6000 sec 60 sec time Hc Cooling side ON OFF 0 0 to 100 0 0 5 control hysteresis D B Dead band In heating cooling control 100 0 to 50 0 3 0 In position proportional PID control 1 0 to 10 0 When performing heating cooling control setting any positive value prohibits both the heating and cooling outputs from turning on setting any negative value allows both the heating and cooling outputs to turn on and setting a value of zero either the heating or cooling output to turn on e When performing position proportional control set the range so none of the outputs turn on PO Preset output Heating 5 0 to 105 0 0 0 side preset output In heating cooling control Heating side 0 0 to 105 0 in heating cooling control In Stop mode fixed control output can be generated Oc Cooling side preset 0 0 to 105 0 0 0 output In Stop mode cooling side fixed control output can be generated If you are using two or more groups of PID parameters use the following table to record their values Parameter n 2 n 3 n 4 n 5 n 6 n 7 n 8 n SP n A1 n A2 n A3 n A4 n P n l n D n OH n OL n MR n H n DR n Pc n Ic n Dc n He n DB n PO n Oc IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 1 0 User Parameter Locate
88. eseeeeeeeeeeeeeeesnaeseseeeenseeeseeeseseaesnseeeeees 1 7 1 5 Terminal Wiring Diagrams sssssssssnneunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn nnna 1 13 2 Initial Settings ccsisicicssinsasdscdinancratensisncdsnanndassduassacnainasacsadennesadsncisadavananaadues 2 1 2 1 Names and Functions of Front Panel Parts sccssseeesseeeeeseeeeeeeeeeeeenees 2 2 2 2 Setting UT mode Setting First at Power On cssscsseesseeeeseeenseeeeeeeeseeees 2 3 2 3 Changing UT MOde aioe esa ccs aaa anae aeann r eor Ea aE e Paaa inean aaraa E 2 4 2 4 Setting PV Input 1 and PV Input 2 Types cseccseeeeseseceseeseseeseseeenseeeeseeees 2 6 2 5 Setting Controlled PV Input Range sssssunssunnunnnunnnnnunnnunnnnnnnunnnnnnnnnnnnnnnnna 2 10 2 6 Setting Control Output Type except for a Position Proportional Controller ssssssssesnnennnennnnnnnnnnnnnnnnen 2 12 2 7 Calibrating Valve Position for a Position Proportional Controller Only 2 14 2 8 Initializing Parameters cccceseeeeeeeeeeeeeeeeeeeeeseeeeeeeseeeeeenseeeeeenseeeeeenseeeeeenees 2 16 2 9 Setting PV Switching MethodS cccccsecseseeseeseseeeeeeeeeseeeeseeeseseeeeneeeenseees 2 17 2 10 Setting Input Switching PV Range sssssssnseunseuneunnnunnennunnnuunnnnnnnnnnnnnnnnnnnnnnnn 2 19 2 11 Changing Alarm TYDS eisrean eenean eenen an ence eccnmadc ceive sce cectauerekeyesdneseuencectes 2 20 2 12 Description of Multiple Setpoints and PID
89. esponse mode 3 Hunting suppressing function Response mode Enables quick follow up and short converging time of PV for the changed target setpoint Note Use SUPER function SC 2 or 3 in PID control or PI control SUPER function 2 or 3 is not available in the following controls 1 ON OFF control 2 P control control for proportional band only 3 PD control control for proportional band and derivative item only 4 Heating cooling control Do not use hunting suppressing function when control processes with response such as flow or pressure control BS PV input bias 100 0 to 100 0 of PV range span 0 0 of PV Used to correct the PV input value range span FL PV input filter OFF 0 1 to 120 sec OFF 0 Used when the PV input value fluctuates U p R Setpoint ramp up OFF 0 OFF 0 rate 0 0 1 digit of PV range span to 100 0 of PV range span Setpoint ramp Set ramp up rate or ramp down rate per hour or minute OFF 0 DN R down rate Sets unit in ramp rate time unit TMU Used to prevent the target setpoint from changing suddenly The ramp setting function works when 1 the target setpoint is changed e g 1 SP is changed from 100 C to 150 C 2 the target setpoint number SPNO is changed e g the parameter is changed from 1 SP to 2 SP 3 the power is turned on or has recovered from a failure or the operating mode is changed from Manual to Auto 1 SP 2 SP 4 Pit gt A
90. ey L Name of Part Function Indicator lamp for display of PV2 Is lit when Loop2 PV is displayed on PV display Not used in loop control with PV switching When lit indicates the status of a deviation PV SP A Is lit in orange if a deviation exceeds the deviation display range The deviation display range can be changed 2 Deviation monitor Is lit in green when a deviation is within the deviation display range using the setup XZ Is lit in orange if a deviation falls below the deviation display range parameter DVB1 The deviation monitor goes off if any display other than the operating display or SELECT display is shown Is lit in green to indicate the status of operation or control CAS Not used in loop control with PV switching REM1 Is lit when in remote mode 3 Status indicator REM2 Not used in loop control with PV switching lamps MAN1 Is lit when in manual mode MAN2 Not used in loop control with PV switching STP Is lit when operation stopped Is unlit when a setup parameter setting display is shown 4 Alarm indicator lamps If any of alarms 1 to 4 occurs the respective alarm indicator lamp AL1 to AL4 is lit in orange 5 _ Light loader interface Interface for an adapter cable used when setting and storing parameters from a PC This requires an optional parameter se
91. f the control output relay to be replaced before pulling out the relay 5 Upper Relay UT750 0 Lower Two relays for direct and reverse action UT750 1 Lower Two relays UT750 5 IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 4 Troubleshooting and Maintenance gt 4 1 0 6 Pull out the relay to be replaced The control output relays are easy to remove and mount since they are connected viaa socket onto the print boards Insert the new relay in the socket Use the following relay Manufacturer OMRON Model G6B 2114P FD US P6B Power supply 12 VDC 7 Insert the internal unit into the housing Apply power to the controller and confirm that the initial operating display is shown If the operating display is not shown properly turn off the controller and pull out the internal unit Then insert it into the housing again This completes replacement of the control output relay IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 5 5 1 lt 5 Parameters gt 5 1 Parameters Parameter Map This section contains Operating Parameter Map and Setup Parameter Map for UT750 as a guideline for setting parameters These maps are helpful in finding the positions of the displays when setting the param eters and should be used as a quick reference for the entire range of parameter displays IM05D01B02 46E 1s
92. g parameter OFF 0 Unlock OFF 0 main menu PYS2 lock ON 1 Lock PWD Password setting 0 Password not set 0 1 to 30000 SELECT Display Parameters Located in Main menu CONF Submenu CSEL Parameter Name of Parameter Setting Range and Description Initial Value User Symbol Setting SELECT display 1 OFF 0 201 to 1023 OFF 0 C S1 registration C S2 SELECT display 2 registration C S3 SELECT display 3 registration C S4 SELECT display 4 registration C S5 SELECT display 5 registration Select the desired parameter from among the operating and setup parameters then register the number D register No accompanying that parameter For example registering 302 for C S1 allows you to change alarm 1 setpoint in operating display Numbers for registering alarm SP parameter for operating display Alarm 1 setpoint 302 Alarm 2 setpoint 303 Alarm 3 setpoint 304 Alarm 4 setpoint 305 Above numbers are alarm setpoint parameters for target setpoint 1 1 SP Set the registration number of the alarm setpoint parameter for target setpoint 2 2 SP to a value obtained by adding 25 to the registration number of the alarm setpoint parameter for the parameter 1 SP Likewise set the registration number of the alarm setpoint parameter for target setpoint 3 3 SP to a value obtained by adding 25 to the registration number of the alarm setpoint parameter for the parameter 2 SP Likewise
93. gt lt 5 Parameters gt 5 13 The following parameter is for PV input 2 Located in Main menu PYS2 e Ten segment linearizer biasing factory set default gt Correction Actual input Ten segment linearizer biasing Actual input 2 b6 Ten segment es linearizer i biasing Ten segment linearizer output 2 03204 66 7 to 105 0 of PV range span gt j Ten segment 2 a1 2 a2 2 a3 2 a4 2 a5 ere ae linearizer input 66 7 to 105 0 of PV input 2 scale Ten segment linearizer approximation Ten segment 4 The parameters 2 b5 to linearizer output 2 b11 are equalized to the parameter 2 4 2 b4 PV input range after ten segment linearizer approximation 2 b3 2 b2 2 b1 66 7 to 105 0 of PV range The parameters 2 a5 to 2 a11 are equalized to the parameter 2 a4 2 a1 2 a2 2 a3 2 a4 2 ai1 Ten segment Actual PV input range linearizer input 66 7 to 105 0 of PV input 2 scale Ten segment Linearizer 2 Parameters PV input 2 IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 14 Parameter Symbol 2 al Name of Parameter Ten segment linearizer 2 input 1 Setting Range and Description 66 7 to 105 0 of PV input 2 scale Initial Value 0 0 of PV input 2 scale User Setting 2 61 Ten segment linearizer 2 output 1 66 7 to 105 0 of PV range span 66 7 to
94. hown at power on figure below Displays PV Displays target setpoint 1 1 SP IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 2 Initial Settings gt 2 20 2 11 Changing Alarm Type 1 2 3 4 Bring the The following operating procedure describes an example of changing alarm 1 factory set to the PV high limit alarm to the PV low limit alarm When you have changed alarm type the alarm setpoint will be initialized set the alarm setpoint again Alarm output terminals Factory set defaults Alarm 1 terminal numbers PV high limit alarm Alarm 2 terminal numbers PV low limit alarm Alarm 3 terminal numbers PV high limit alarm Alarm 4 terminal numbers d PV low limit alarm operating display into view display appears at power on Displays target setpoint 1 Displays PV In steps 2 and later illustrations of the LCD are cited to explain the procedure Press the key for more than 3 seconds 5 Press the key once to display the to call up the main menu MODE submenu SP MODE SP mode parameter SP control main menu SETUP sub menu
95. ide relay output terminals cooling side transistor output terminals 4 65 8 Heating side pulse output terminals cooling side transistor output terminals 4 9 Heating side current output terminals 4 cooling side transistor output terminals 64 65 10 Heating side relay output terminals O cooling side current output terminals 11 Heating side pulse output terminals cooling side current output terminals 12 Heating side current output terminals 4 cooling side current output terminals 4 User Setting Initial Value A3L segmental point CT1 Control output cycle 1 to 1000 sec 30 sec time CS i gt Heating side control On On output cycle time Off Off in heating cooling p control Cycle time l Cycle time Relay s Behavior when Cycle Time 10 sec For 20 of Control Output For 50 of Control Output For 80 of Control Output 0 sec 10 sec 70 sec On state duration 2 sec On state d i On state duration 8 sec Off state duration 8 sec Off state duration 5 sec Off state duration 2 sec CTc1 Cooling side contro 1 to 1000 sec 30 sec output cycle time AO Analog output 1 type Allows control output or retransmission
96. ion May 31 2000 00 lt Toc gt lt 6 Function Block Diagram and Descriptions gt 6 7 1 Switching within the PV range specified by U1 and U2 U3 0 This method should be selected in cases where for example two thermocouples are used one for higher temperatures and the other for lower temperatures and a sudden change in PV must be avoided when switching the thermocouple In a PV rising process input switching starts when input 1 reaches the lower limit for PV switching The PV gradually become closer to input 2 and when it exceeds the upper limit for PV switching the PV completely transfers to input 2 Conversely in a PV falling process input switching starts when input 2 reaches the upper limit for PV switching The PV gradually become closer to input 1 and when it falls below the lower limit the PV completely transfers to input 1 Input 2 high temperature side PV Upper limit for pl Aei i input switching PV 7 pe s s e ssrerrerrr Vernet Lower limit for input switching PV i Input 1 low temperature side Time gt as at PV Input 1 Switching PV Input 2 Switching within Specified PV Range Rising PV Input 2 high temperature side Upper limit for gt input switching PV Lower limit for gt input switching PV Input 1 low temperature side Time gt gt lt gt lt PV Input 2 Switching PV Input 1 Switching within Specified PV Range F
97. ith a tester or the like because there is a possibility of electric shock retransmission type Gaua N Jg 0 20mADC J o 14 5 18 0 V DC pE O A 000000 4 20MADC 21 mA DC max fio a Om O I Default 4 20 mA DC Aa RE OE A J Load resistance 600 0 orless 50 60 Hz shared i The functions of the external contact inputs are the defaults for position proportional loop control with PV switching To change the functions reconfigure the contact input registration setup parameters N A External contact outputs The functions of the external contact outputs External contact inputs Ta mio D Pow r Supply Wired to Sensorin 1227 are the defaults for position proportional loop Contact 5V Tae Two wire System Configuration Alarm 1 output DO1 6 UD control with PV switching To change the When switching among target setpoints 1 to 8 UT DH i functions reconfigure the contact output SPB
98. larm 4 Current or Relay Current Current Current pulse terminals terminals terminals terminals terminals Band D and and Bad Wand UT750 50 only 1 Unavailable when control output is current or pulse O Terminal C Parameter Function gt Analog signal gt Contact signal lt _ gt Front panel key Legend IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 6 Function Block Diagram and Descriptions gt E Function Block Diagram for Heating Cooling Loop Control with PV Switching PV input 1 terminals O Dand PV input 2 terminals and Communication terminals to Dand to 5 Contact input Input selection I Input selection I Unit selection Unit selection I Analog input range conversion Analog input range conversion EE a l Analog input bias Analog input bias I Square root extraction I Square root extraction I Analog input filter I Analog input filter I 10 seg linearizer approx bias ji 10 seg linearizer approx bias I PV input Switching Temp range Temp Burnout occurs when the burnout of PV input 1 or PV input 2 occurs PV input bias PV input filter upper limit or Dl Ratio bias calculation REMOTE O C RL i Target setpoint selection Upper limit Lower li
99. lay OUT display Deviation Trend display Data List display Allows the target setpoint to be changed ine the LYJorL4 amp key to change the el and press the key to register it Allows the control output value to be changed in manual operation Tren the am key to turn on the MAN1 eTe Then press the Jor La jkey to change the control output value For monitoring only For monitoring only Along Input Value display For monitoring only AIN1 PV input 1 Caine PV input 2 IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 3 Operations gt 3 3 E Operating Displays for Heating Cooling Loop Control with PV Switching SP Display On the Setpoint display LCD the controller displays the target setpoint SP along with the deviation bar Heating Cooling OUT Display On the Setpoint display LCD the controller displays the target setpoint PID number and heating side HEAT and cooling side COOL control output values Deviation Trend Display On the Setpoint display LCD the controller displays the deviation trend Heating Cooling Data List Display On the Setpoint display LCD the controller displays the target setpoint heating side H and cooling side C control output values deviation and PID number Analog Input Display On the Setpoint display LCD the controller displays the PV input 1 AIN1 and PV input 2
100. lt Toc gt lt 1 Installation gt 1 1 2 Environmental Conditions Normal operating conditions Ambient temperature 0 to 50 C 40 C or less for side by side close installation Temperature change rate 10 C h or less Ambient humidity 20 to 90 RH no condensation allowed Magnetic field 400 A m or less Continuous vibration at 5 to 14 Hz Full amplitude of 1 2 mm or less Continuous vibration at 14 to 150 Hz 4 9 m s or less Short period vibration 14 7 m s 15 seconds or less Shock 14 7 m s or less 11 ms Installation height Height above sea level of 2000 m or less Warm up time 30 minutes or more after power on Transportation and storage conditions Temperature 25 to 70 C Temperature change rate 20 C h or less Humidity 5 to 95 RH no condensation allowed Effects of changes in operating conditions Effects from changes in ambient temperature On voltage or thermocouple input 1 V C or 0 01 of F S C whichever is larger On auxiliary analog input 0 02 of F S C OnRTD input 0 05 C C ambient temperature or less On analog output 0 05 of F S C or less Effects from power supply fluctuation within rated voltage range On analog input 1 wV 10 V or 0 01 of F S 10 V whichever is larger On analog output 0 05 of F S 10 V or less IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 1 Installation gt 1 1 3 1 5 Terminal Wiring Diagrams A NOTE Do not use un
101. mit U3 Operation Target setpoints 1 to 8 LOCAL Target setpoint ramp rate function yy Manual operation Control computation T AUTO MAN a O x AUTO ON MAN OFF switching T PV input switching i U3 2 PV input 1 OFF PV input 2 ON Heating cooling computation Heating side output limiter Cooling side output limiter Heating side preset output Cooling side output limiter STOP ON RUN OFF switching 15 V loop Retransmission Al functi oTi j OT1 power supply output SUGO O Paen i i Q Heating side Cooling side Y i i i output output 7 DERDE 5 transistor 3 Alarm 1 Alarm 2 Alarm 3 Alarm 4 Current or Relay Current Current Current Current pulse terminals terminals terminals terminals terminals terminals Band and Band Legend Dad and Band UT750 5 only 1 Unavailable when heating side output is current output or pulse 2 Unavailable when cooling side output is current output or pulse 3 Alarm 4 is output via DO4 when cooling side output is relay Alarm 3 is output via DO3 when cooling side output is transistor O Terminal gt Analog signa C Parameter jho o mi gt Contact signal e Function lt _ gt Front panel key IM05D01B02 46E 1st Editio
102. mmable items or equipment If the controller has to be installed close to flammable items or equipment be sure to provide shielding panels all around the controller at least 150 mm away from every side the panels should be made of either 1 43 mm thick metal plated steel plates or 1 6 mm thick uncoated steel plates Installation Position Install the controller at an angle within 30 from horizontal with the front panel facing up ward Do not install it facing downward The position of right and left sides should be hori zontal Front panel __ ff of controller 1 Must not exceed 30 Rear of controller IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 1 Installation gt 1 3 E External Dimensions and Panel Cutout Dimensions Unit mm UT750 96 11 100 Large bracket k gt gt lt 9 Uy pii PV A SHA cal i o o o o tow S Pes I ose o gt A Me y Small bracket 1 to 10 mm Panel thickness General installation Side by side close installation 117 min N 1 x96 92 9 Ea gt 4 T go o y 53 145 min nN N stands for the number of controllers to be installed 92 28 H 3 However the measured value applies if N 5 y g2 tos 25 k kK
103. n May 31 2000 00 lt Toc gt lt 6 Function Block Diagram and Descriptions gt 6 4 E Function Block Diagram for Position Proportional Loop Control with PV Switching PV input 1 PV input 2 ae terminals terminals Botan d and Contact input O and to p Input selection Input selection Ratio bias i i Iculati po Unit selection Unit selection acu alon i Target i PV input Analog input range conversion Analog input range conversion SOtpoint i i i switching 7 T i selection U3 2 Analog input bias Analog input bias Cut Upper limit i l l Cu Lower limiti H Square root extraction Square root extraction U3 Operati o Analog input filter Analog input filter f P SS 10 seg linearizer approx bias 10 seg linearizer approx bias PV input Switching Temp range Temp upper limit or Dl E7700 S ESEE AE RES E EN Ee V input 1 OFF B h urnout occurs when PV input bias L C SPNO PV input 2 ON the burnout of PV RMS COM l input 1 or PV input 2 PV input filter Target setpoints 1 to 8 occurs REMOTE LOCAL R L In MAN operation relay Target setpoint ramp rate function is ON when or LA key is hold down y Manual operation Control computation Output limiter Preset output 1
104. ng DVB1 Deviation display band 0 0 to 100 0 of PV range span 1 0 of PV Permits a change in the span of deviation shown on the range span front panel deviation monitor TSC Deviation trend scale Allows the deviation axis on the Deviation Trend operating 5 0 of PV display to be re scaled range span Deviation trend scan 0 to 600 sec 5 sec TTM time Allows the time axis on the Deviation Trend operating display to be re scaled IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 20 Security related Parameters Located in Main menu CMLP Submenu LOCK Parameter Name of Parameter Setting Range and Description Initial Value User Symbol Setting VA Front panel data setting OFF 0 Unlock OFF 0 A V key lock ON 1 Lock A M Front panel A M key OFF 0 Unlock OFF 0 lock ON 1 Lock MO D E Operating parameter OFF 0 Unlock OFF 0 main menu MODE ON 1 Lock lock L P Operating parameter OFF 0 Unlock OFF 0 main menu LP1 lock ON 1 Lock LP2 Although not used in Loop Control with PV Switching it is shown on the display P D Operating parameter OFF 0 Unlock OFF 0 main menu PID lock ON 1 Lock U S R Operating parameter OFF 0 Unlock OFF 0 main menu USR lock ON 1 Lock PYS Operating parameter OFF 0 Unlock OFF 0 main menu PYS1 lock ON 1 Lock PYS2 Operatin
105. ng are given in the table below UT750 01 UT750 11 UT750 51 E Regarding This User s Manual This manual should be provided to the end user Keep an extra copy or copies of the manual in a safe place Read this manual carefully to gain a thorough understanding of how to operate this product before starting operation This manual describes the functions of this product Yokogawa M amp C Corporation hereinafter simply referred to as Yokogawa does not guarantee the application of these functions for any particular purpose Under absolutely no circumstances may the contents of this manual in part or in whole be transcribed or copied without permission The contents of this manual are subject to change without prior notice Every effort has been made to ensure that the details of this manual are accurate However should any errors be found or important information be omitted please contact your nearest Yokogawa representative or our sales office Media No IM 05D01B02 46E CD 1st Edition May 2000 YK IM05D01B02 46E 1st Edition May 31 2000 00 All Rights Reserved Copyright 2000 Yokogawa M amp C Corporation lt Toc gt lt Rev gt Il E Safety Precautions The following symbol is indicated on the controller to ensure safe use user s manual in order to avoid the risk of injury or death of personnel or damage to the instrument The manual describes how the operator should exercise special care to avoid CAU
106. ng side current output terminals cooling side transistor output terminals 64 10 Heating side relay output terminals cooling side current output terminals 11 Heating side pulse output terminals cooling side current output terminals 12 Heating side current output terminals cooling side current output terminals IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 2 14 lt 2 Initial Settings gt 2 7 Calibrating Valve Position for a Position Proportional 1 2 3 4 Controller Only The following operation describes a procedure of inputting a feedback signal from a control valve to calibrate the full closed and full open positions of the valve automatically To cali brate the valve position you need to carry out wire connections and bring the controller into manual mode For connections see 1 5 Terminal Wiring Diagrams and for entering the manual mode see 3 8 Switching between AUTO and MAN Bring the operating display into view display appears at power on Displays PV MAN1 lamp ON Displays target setpoint 1 1 SP In steps 2 and later illustrations of the LCD are cited to explain the procedure Press the key for more than 3 seconds to call up the main menu MODE MODE mode parameter main menu
107. nt Target SP Deviation setpoint lt i Target SP Hysteresis lt _ gt Deviation low Closed lit t Open unlit Deviation setpoint i Hysteresis De energized on Closed PV high limit unlit Open lit p PV Alarm setpoint i PV Target SP Hysteresis lt gt De energized on 9 deviation high lore E oi limit alarm Deviation PV setpoint Target SP Sensor Upward hour minute grounding Sensor grounding alarm alarm Downward hour minute 22 i i Downward powri 22 Fault diagnosis eal diagnosis output Timer function output Note1 Alarm 1 only Upward minute second The controller stops when in a FAIL state FAIL output The control output is set to OFF or Downward minute second Note2 E the alarm output is set to Hysteresis Hysteresis Closed lit gt Closed lit Open unlit 28 Output high limit Open unlit p A _ gt A SP Alarm setpoint Output value Alarm setpoint Hysteresis Hysteresis Closed lit gt Closed lit gt Open unlit 29 Output low limit Open unlit _ Alarm setpoint SP Alarm setpoint Output value Note 1 The fault diagnosis output turns on in case of input burnout A D converter failure or reference junction compensation RJC failure For input burnout or A D converter failure the control output is set to the setpoint of the Preset Output Value operating parameter PO Note 2 The
108. nt output 4 10 Press the key once to register the setpoint MENU UTMD OUT 1 output 1 select SETUP OT1 2 11 Press the key for more than 3 seconds This returns you to the display shown at power on figure below to 20 mA DC MENU UTMD OUT 1 output 1 select changing OTi 2 oo Uryen AM Hews Blinks during change 0 0 C 10 T SP 10 List of Control Output Types Parameter Name of Parameter Setpoint Control Output Types Symbol 0 Time proportional PID relay contact output terminals 1 Time proportional PID voltage pulse output terminals 2 Current output terminals 3 On off control relay contact output terminals 4 Heating side relay output terminals cooling side relay output terminals 5 Heating side pulse output terminals cooling side relay output terminals O OT 1 Control output type 6 Heating side current output terminals cooling side relay output terminals O 7 Heating side relay output terminals cooling side transistor output terminals 64 8 Heating side pulse output terminals cooling side transistor output terminals 4 5 9 Heati
109. nt range 1 digit at 0 C or more typeK3 3 200 0 to 500 0 C 0 2 1 digit for temperatures below 0 C yP 200 0 to 1000 0 F__ where the accuracy is 2 of instrument range 1 J typed 4 200 0 to 1200 0 C digit for temperatures below 200 0 C for a type K yP 300 0 to 2300 0 F _ thermocouple or 1 of instrument range 1 digit for typeT1 5 270 0 to 400 0 C temperatures below 200 0 C for a type T thermocouple 7 ypeT1 5 450 0 to 750 0 F 0 0 to 400 0 C typeT2 6 200 0 to 750 0 F B typeB 7 0 0 to 1800 0 C 0 15 of instrument range 1 digit at 400 C or more yP 32 to 3300 F 5 of instrument range 1 digit at less than 400 C 0 0 to 1700 0 C 2 PES E 32 to 3100 F 3 0 15 of instrument range 1 digit 0 0 to 1700 0 C R REIRE 32 to 3100 F on 0 1 of instrument range 1 digit Thermocouple N typeN 10 aes e ose 0 25 of instrument range 1 digit for temperatures i below 0 C 270 0 to 1000 0 C E typeE 11 450 0 to 1800 0 F 200 0 to 900 0 C 0 1 of instrument range 1 digit at 0 C or more ADIN bpak 12 300 0 to 1600 0 F 0 2 1 digit for temperatures below 0 C where the typeUt 13 200 0 to 400 0 C _ accuracy is 1 5 of instrument range 1 digit for U DIN yP 300 0 to 750 0 F temperatures below 200 0 C for a type E thermocouple typeU2 14 0 0 to 400 0 C yP 200 0 to 1000 0 F WwW typeW 15 2a E ee 0 2 of instrument range 1 digit Platinel 2 Plati2 16 a ee 0 1 of
110. ntact Input Registration Parameters Located in Main menu CONF Submenu DI Parameter Symbol A M1 Name of Parameter Loop 1 Auto Manual switching A M2 Loop 2 Auto Manual switching R L1 Loop 1 Remote Local switching R L2 Loop 2 Remote Local switching S R Run Stop switching CAS AUTO Switch to Cascade mode when in cascade control Switch to Auto mode when in cascade control MAN Switch to Manual mode when in cascade control SP 0 Bit O of SP number setting SP 1 Bit 1 of SP number setting Setting Range and Description These parameters determine which contact input to use to make selections switches listed on the left DI1 5161 No function 0 Dl2 5162 DI3 5163 DI4 5164 DI5 5165 DI6 5166 DI7 5167 The contact inputs are factory set as shown below Contact inputs 1 to 4 DI1 to D14 SP selection see table below Contact input 5 DI5 Auto ON Manual OFF switching Contact input 6 DI6 Run OFF Stop ON switching Contact input 7 DI7 Input switching SP Selection 1 SP DI1 ON 2 SP OFF 3 SP ON 4 SP OFF 5 SP ON 6 SP OFF 7 SP ON 8 SP OFF DI2 OFF ON ON OFF OFF ON ON OFF SP 2 Bit 2 of SP number setting DI3 OFF OFF OFF ON ON ON ON OFF DI4 OFF OFF OFF OFF OFF OFF OFF ON SP 3 Bit 3 of
111. ntrol Output during Position Proportional Control The controller continues to provide control output as long as the J or 4 key is being pressed vjkey Closes the valve 4 key Opens the valve MAN1 lamp ON 1 SP 200 0 C PID 1 OUT 30 0 Displays the 0 50 101 eee brett tt valve opening 0 to 100 OUT display 3 10 Switching Input with Contact Input Switching inputs with the contact input 7 DI7 can be made when switching with the contact input operating parameter U3 2 is set See 2 9 Setting PV Switching Methods O Q PV input 1 terminals 43 43 when set OFF when set ON 36 i PV input 2 terminals 2 0 IM05D01B02 46E 1st Edition May 31 2000 00 Blank Page lt Toc gt lt 4 Troubleshooting and Maintenance gt 4 4 1 Troubleshooting and Maintenance Troubleshooting E Troubleshooting Flow If the operating display does not appear after turning on the controller s power follow the measures in the procedure below Ifa problem appears complicated contact our sales representative Is the instrument defective Is key
112. of an input signal 4 Position of PV input decimal point SDP1 Set the position of the decimal point for PV input display 5 Maximum value of PV input scale SH1 Set the maximum value of the scale to be controlled 6 Minimum value of PV input scale SL1 Set the minimum value of the scale to be controlled A NOTE The controller may automatically initialize the registered operating parameter setpoints if any change is made to the data item PV Input Type IN1 Maximum Value of PV Input Range RH1 Minimum Value of PV Input Range RL1 PV Input Decimal Point Position SDP1 Maximum Value of PV Input Scale SH1 or Minimum Value of PV Input Scale SL1 After a change has been made to any of these data items be sure to verify the registered operating parameter setpoints to ensure that they are correct If any data item has been changed to its default set it to a required value IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 2 3 4 5 lt 2 Initial Settings gt 2 7 Bring the operating display into view display appears at power on The PV display in the figure below shows the error code for input burnout hat if PV input wiring is not yet complete The error code disappears when you wire the PV input terminals cor rectly Displays PV In steps 2 and later illustrations of the LCD are cited to explain the procedure Pre
113. own the 4 key with the cooling side output under manipulation i e heating side output H 0 0 the cooling side output C decreases Conse quently both the heating side and cooling side outputs go to 0 0 If you keep the AJ key held down longer you enter the state of manipulating the heating side output and its value begins to increase Output Dead band Operating parameter DB 12 4 0 12 4 Cooling side Heating side manipulated output manipulated output DB 12 4 Change in manipulated output when the dead band is positive Controller Behavior and Control Output Manipulation when the Dead Band is Negative The following is an example when the DB parameter is set at 12 4 If you hold down the key with the heating side output under manipulation i e cooling side output C 0 0 the heating side output H decreases If the output H falls below 24 8 the cooling side output C begins to increase from 0 0 If you keep the vy key held down longer and the output C rises above 24 8 the output H goes to 0 0 and you enter the state of manipulating the cooling side output Output 12 4 0 12 4 Cooling side Heating side manipulated output manipulated output DB 12 4 Change in manipulated output when the dead band is negative IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 3 Operations gt 3 15 E Manipulating the Co
114. ows an example of setting the minimum value of the PV input range to 0 0 C Blinks during change MENU UTMD IN 4 input 1 range low changing RALI 0 0 setpoint MENU UTMD IN 4 input 1 range low SETUP RL1 0 0 If the type of Input is voltage also config ure the PV Input 1 Decimal Point Position SDP1 Maximum Value of PV Input 1 Scale SH1 and Minimum Value of PV Input 1 Scale SL1 parameters that are displayed after this You can take the same steps for PV input 2 type IN3 that are displayed after the PV input 1 related parameters 18 Press the key for more than 3 seconds This returns you to the display shown at power on figure below T SP 0 0 C 10 10 0 E DV IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 2 Initial Settings gt E Instrument Input Range Codes Instrument Input Instrument Input Type Range Code Input Range Measurement Accuracy i Set the data item PV Input Type IN1 to the OFF option to leave the PV input Unspecified OFF 0 type undefined 270 0 to 1370 0 C typeK1 1 450 0 to 2500 0 F 270 0 to 1000 0 C K pene 450 0 to 2300 0 F 0 1 of instrume
115. password input UT750 configuration main menu SETUP main menu IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 2 Initial Settings gt 2 11 6 Press the key once to display the submenu MD MD UT mode set SETUP sub menu 11 Press the key once to display the parameter P RL1 MENU UTMD IN PV1 range low P RL1 30 SETUP 0 0 12 Press the 4 or 3 key to display the required setpoint 7 Press the 4 key once to display the submenu IN IN MENU UTMD IN 30 h PV1 range low input set changing SETUP sub menu P RL1 0 0 Blinks during change et Jles JL las 8 Press the key several times to display 13 Press the key once to register the the parameter P RH1 setpoint MENU UTMD IN 29 MENU UTMD IN 30 PV1 range high PV1 range low SETUP SETUP P RH1 200 0 P RL1 0 0 14 Press the J key for more than 3 seconds This returns you to the display shown at power on figure
116. perations Display position Etror indication Description PV Control output Alarm Retransmis Commu Remedy Note of error output sion output nication Displays RJC and Measured PV alternately Re omg with RJC 0 Normal action Faulty Contact us for repair E300 ADC error 105 In AUTO Dependent on the Preset value output BSL parameter In MAN Check wires and 3 B OUT FN Burndut Bror Up scale 105 Normal action Normal sensor Down scale 5 action p Excessive PV RS 5 OVER or OVER Out of 5 to 105 5 or 105 Normal action i Check process Auto tuning Action with PID aain nee Check process Press E200 failure existing before any key to erase error Time out auto tuning indication Setpoint displa i Ray Feedback resistor Stopped Stopped Check the feedback all ed a breakdown Normal PP PP resistor action 2 Check wires and Faulty communication Lett end of SP display communication Normal action Normal parameters and make unit blinks z action line resetting Recovery at normal receipt 5 p Faulty if power off on Decimal point at right end Runaway due to 1 lights defecti r Undefined doas not rasetistart gnis SrO VE ROWE 0 or the unit Contact us for or noise 0 or lessor OFF JOFF oss Stopped repair iy ae Check for abnormal s All indications off Power off None power
117. play momentarily becomes blank which is normal indicating the parameters have been initialized MENU UTMD INIT 1 parameter initialize SETUP ON 11 Press the key for more than 3 seconds This returns you to the display shown at power on figure below TSP 0 0 C 10 0 I I i DV 2 9 Setting PV Switching Methods 1 2 The following operation describes a procedure of changing the method of PV switching within a set temperature range 0 factory shipped value to set switching by contact input DI7 Description of PV switching see PV Input Switching Operation in 6 Function Block Diagram and Description Bring the operating display into view display appears at power on Displays target setpoint 1 Displays PV 1 SP In steps 2 and later illustrations of the LCD are cited to explain the procedure Press the key for more than 3 seconds 3 Press the 4 key twice to display the main to call up the main menu MODE menu USR MODE USR mode parameter user parameter main menu main menu be UTP da Ea a IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt
118. plit computations 1 Set the Control Output Type OT1 parameter to 2 This sets the control output to current output 2 Setthe Retransmission Output 1 RET1 parameter to 3 This sets the retransmission output to control output retransmission 3 Set the Analog Output 1 100 Segmental Point A1H parameter to 100 4 Set the Analog Output 1 0 Segmental Point A1L parameter to 25 5 Set the Analog Output 3 100 Segmental Point A3H parameter to 0 6 Set the Analog Output 3 0 Segmental Point A3L parameter to 75 The figure below shows an example where both analog outputs 1 and 3 are set to the current signal of 4 to 20 mA DC The type of output signal can be determined separately for each of the analog outputs listed above using the following three parameters Analog output 1 Analog output 1 type AQ1 Analog output 2 Analog output 2 type AQ2 Analog output 3 Analog output 3 type AQ3 Analog output 3 100 segmental point ASH Analog output3 Analog output 1 100 segmental point A1H mA A 20 100 output 1 Output value after computation Analog output 3 0 segmental point A3L Analog output 1 0 segmental 7 point A1L 4 0 0 25 50 75 100 Output value before split computation IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 26 Parallel mode Output The
119. point HY3 On HY 4 Alarm 4 hysteresis IN Hysteresis gt PV value Alarm 1 delay timer 0 00 to 99 59 min sec enabled when alarm 1 type AL1 is 1 0 00 AMD Alarm mode 0 Always active 1 Not active when in Stop mode 2 Not active when in Stop mode or manual operation IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 17 Control Action related Parameters Located in Main menu LOOP1 Submenu CTL 2 RP Zone PID reference point 2 3 RP Zone PID reference point 3 4 RP Zone PID reference point 4 5 RP Zone PID reference point 5 6 RP Zone PID reference point 6 Sets reference points at which switching is carried out between groups of PID constants according to the given temperature zone You can set a maximum of six reference points and therefore a maximum of seven temperature zones To enable this parameter set the Zone PID Selection ZON parameter to 1 The example below sets reference points 1 and 2 to provide 3 zones to switch PID constants automatically A Maximum value of PV range Zone 3 PRENI Satpal The controller is operated with the 3rd group of PID constants Reference point2 22 fr eee Zone 2 z The controller is operated with 2 RP the 2nd group of PID constants Reference point _ __ fens Noc ee 1 RP PV inpu
120. position OFF 0 ON 1 Initialize parameters IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 29 E Tips about Heating Cooling Control In heating cooling control the controller outputs the result of computation after splitting it into heating purpose and cooling purpose signals In addition the controller can perform PID control or ON OFF control on the heating and cooling sides separately When perform ing ON OFF control set the proportional band to 0 The controller splits the result of computation 0 to 100 into heating side and cooling side signals as described below 0 to 50 of the computation result is presented as a 0 to 100 cooling side output 50 to 100 of the computation result is presented as a 0 to 100 heating side output PV SP Communication S pS y PID computation Manual MV output 0 to 100 Heating cooling computation 0 to 50 50 to 100 Cooling side Heating side output limiter output limiter v v Cooling side MV Heating side MV output output 0 to 100 0 to 100 Heating cooling control provides two methods in which either none of the heating and cooling side outputs are presented or both of the heating and cooling side outputs are presented as shown in the following figures Output Output A A 100 100 Cooling side Heating side Cooling side H
121. r output Cooling side Current output Cooling side Current output Cooling side Current output terminals and D terminals and terminals and terminals and terminals Wand terminals and H terminals and terminals and terminals and The types of control output relay output and voltage pulse output shown in the table above refer to those of time proportional control To change to a relay output for on off control select Relay Terminals and change the setpoint of the proportional band to 0 lt 301 gt lt uoneyjelsu 4 gt GL L E UT750 Position Proportional Loop Control with PV Switching Model UT750 11 PV input 1 t E Receiving 4 20 mA DC Current Not configured at factory before shipment H 9 Communication 2 Signals with the Controller Communication 1 lt 301 gt 39v z08 L090 NI 00 0007 Ae uonipa IS 7 PSL1 tae See 2 Initial Settings When receiving 4 20 mA DC current signals i Wiring can only be carried out RS 485 communication se PV input 2 TC input RTD input set the PV input type to 1 5 V DC se
122. rating TE Provide power from a single phase instrument power supply If there is a lot of noise in the power line insert an insulating transformer into the primary side of the line and use a line filter recommended part ZAC2205 00U from TDK on the secondary side As acountermeasures against noise do not place the primary and secondary power cables close to each other For thermocouple input use shielded compensating lead wires for wiring For RTD input use shielded wires that have low conductor resistance and cause no significant differences in resistance between the three wires The cables to be used for wiring terminal specifications and recommended parts are as shown below Control output relays may be replaced However because they have a life of 100 000 times that of the resistance load use auxiliary relays to turn on off a load The use of inductance L loads such as auxiliary relays motors and solenoid valves causes malfunction or relay failure always insert a CR filter for use with alternating current or a diode for use with direct current as a spark removal surge suppression circuit into the line in parallel with the load DC Relay Wiring E For AC Relay Wiring External DC power supply UT750 UT750 y External AC power supply a j f 7 a k Diode Mount it directly UT s contact K contact Relay Relay to tna soley eo Use one with a relay coil CR filter terminal socket rating less than the UT s
123. roubleshooting and Maintenance gt 4 8 4 2 5 Replacing Control Output Relays This subsection describes how to replace the control output relays The replacement must be performed by an engineer qualified for the work Always turn off the power before starting the work in order to avoid electric shock Do not pull out the internal unit for any other purpose other than to replace the control CAUTION output relays 1 Insert a flat blade screwdriver tip width of 6 mm is recommended into the opening with the tip in parallel with the front panel and then turn the screwdriver gently Take this procedure to four openings 1 2 3 and 4 see the figure below on the upper and lower parts of the bezel in order The bezel slightly moves forward from the housing 2 Push up the center of the bottom gasket of bezel by a finger to release the latch jLatch invisible in the panel Center of the bottom gasket 4 Panel View from the bottom IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 4 Troubleshooting and Maintenance gt 4 9 3 Insert the screwdriver into the four openings and flip the tip forward to move the bezel more forward 4 Hold the bezel and pull it along with the internal unit out of the housing Note Be careful not to damage the RJC sensor The location and number of the relays differ depending on the model code of the UT750 Confirm the location o
124. s also switch between menu displays when a main menu or submenu of parameter setting display is shown IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 2 Initial Settings gt 2 3 2 2 Setting UT mode Setting First at Power on A NOTE e The controller displays an operating display when the power is turned on The submenu IN appears at this point if the type of PV input has not been defined yet In this case set a UT mode to Loop Control with PV Switching following the operat ing procedure described below Then set PV input type control output type and others e The controller is configured to the default of each parameter at the factory before shipment First check these defaults listed in 5 2 Lists of Parameters and change their values if necessary The following operation describes a procedure of setting a UT mode to Loop Control with PV Switching set 6 1 Display view at power on Displays PV cg input set SETUP sub menu In steps 2 and later illustrations of the LCD are cited to explain the procedure 2 Press the key once to display the submenu MD MD UT mode set SETUP sub menu 3 Press the key once to display the parameter UTM controller mode MENU UTMD MD 1 UT mode select
125. s bas the coats for heating cooling loop control with Alarm 1 output DO1 6 output registration setup parameters switching To change the functions reconfigure the contact input registration setup parameters 9 External contact inputs Note If you define the DO3 output as the cooling side control output the DO4 output T A k O S E Contact 5V Transistor contact 2 Alarm 2 output DO2 5 serves as the alarm 4 output Inversely if you define the DO4 output as the When switching among target setpoints 1 to 8 UTY Dit Cooling side control 4 cooling side control output the DO3 output serves as the alarm 3 output SPB SPR SPl4 SPB SPBS SPY SPB SP DIT 19 o 45V 19 output Note DO3 When cooling side control output is current DO3 output serves as the alarm 3 Dit ON OFF ON OFF ON OFF ON OFF DI2 XY 7 output and the DO4 output serves as the alarm 4 output Di2 DEFION ON JOFFIOFF ON ON OFF DI2 18 o 45V 18 Common COM DI3 jOFFOFF OFF ON ON ON ON OFF 3 ba i Select this option from the OT1 parameter D14 FFIOFFOFFIOFF OFFIOFFOFF ON 40 O 40 a eat Ge p04 34 P p If all of the contact inputs are set to OFF Dis j bia y outpi lote i the controller uses the immediatel Note Foodies sadn aint ehh preceding target setpoint DI4 89 0 5V 39 Alarm 3 output DO5 33 e power is turned on when the 3 F gis o3 external contact input is OFF the AUTO when DI5 ON pis 38 o 45V DIS 35 2 32 mode SPNO RIL or A M MAN when
126. s of the LCD are cited to explain the procedure 2 Press the key for more than 3 seconds to call up the main menu MODE MODE mode parameter main menu oo ores Lev 3 Press the key once to display the main menu STUP STUP password input main menu 4 menu LOOP1 LOOP1 loop 1 setup para SETUP main menu 5 Press the key once to display the main menu UTMD UTMD UT750 configuration SETUP main menu 6 Press the key once to display the submenu MD MD UT mode set SETUP sub menu 7 Press the 4 key twice to display the submenu OUT OUT output set SETUP sub menu IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt 2 13 lt 2 Initial Settings gt 8 Press the key once to display the parameter OT1 control output type MENU UTMD OUT 1 output 1 select SETUP OT1 0 Press the 4 or key to display the required setpoint The figure below shows an example of setting to curre
127. segment linearizer approximation 0 0 of PV range span 0 0 of PV range when in ten segment linearizer approximation 2 a6 Ten segment linearizer 2 input 6 66 7 to 105 0 of PV input 2 scale 0 0 of PV input 2 scale 2 06 Ten segment linearizer 2 output 6 66 7 to 105 0 of PV range span 66 7 to 105 0 of PV range when in ten segment linearizer approximation 0 0 of PV range span 0 0 of PV range when in ten segment linearizer approximation 2 a Ten segment linearizer 2 input 7 66 7 to 105 0 of PV input 2 scale 0 0 of PV input 2 scale 2 07 Ten segment linearizer 2 output 7 66 7 to 105 0 of PV range span 66 7 to 105 0 of PV range when in ten segment linearizer approximation 0 0 of PV range span 0 0 of PV range when in ten segment linearizer approximation 2 a8 Ten segment linearizer 2 input 8 66 7 to 105 0 of PV input 2 scale 0 0 of PV input 2 scale 2 08 Ten segment linearizer 2 output 8 66 7 to 105 0 of PV range span 66 7 to 105 0 of PV range when in ten segment linearizer approximation 0 0 of PV range span 0 0 of PV range when in ten segment linearizer approximation 2 a9 Ten segment linearizer 2 input 9 66 7 to 105 0 of PV input 2 scale 0 0 of PV input 2 scale 2 09 Ten segment linearizer 2 output 9 66 7 to 105 0 of PV range span 66 7 to 105 0 of PV range when in ten segment linearizer approximation
128. select one out of eight setpoints by turning the four contact input signals ON or OFF This function is assigned to DI1 contact input 1 to DI4 contact input 4 Contact Target setpoint number to be selected SPNO If all contact input inputs are set to 1 2 3 4 5 6 7 8 OFF the DI1 ON OFF ON OFF ON OFF ON OFF controller uses the immediately DI2 OFF ON ON OFF OFF ON ON OFF preceding target DIS OFF OFF OFF ON ON ON ON OFF setpoint DI4 OFF OFF OFF OFF OFF OFF OFF ON For example set contact input 2 DI2 only to ON to change target setpoint 1 to 2 Set contact inputs 1 DI1 and 2 D12 to ON to select target setpoint 3 Automatic ON Manual OFF mode switching function is assigned to DI5 contact input 5 Manipulated output can be changed using the 4 and keys in manual mode Run OFF Stop ON switching function is assigned to DI6 contact input 6 Preset output value is output when the operation is stopped PV input and alarms remain functioning as normal Input switching function is assigned to DI7 contact input 7 When executing input switch ing using DI7 set the operating parameter U3 user parameter 3 to 2 PV input 1 is selected when DI7 is set to off and PV input 2 is selected when DI7 is set to on E Target Setpoint and PID It is possible to use a maximum of eight groups of target setpoint and PID parameters The targe
129. ss the key for more than 3 seconds to call up the main menu MODE MODE mode parameter main menu Press the LY key once to display the main menu STUP STUP password input main menu E i pap osr I S7 Press the key once to display the main menu LOOP1 LOOP1 loop 1 setup para SETUP man menu Press the L key once to display the main menu UTMD UTMD UT750 configuration SETUP main menu 6 Press the key once to display the submenu MD MD UT mode set SETUP sub menu 7 Press the 4 key once to display the submenu IN IN input set SETUP sub menu 8 parameter IN1 PV input 1 type MENU UTMD IN 1 input 1 type select SETUP 9 Press the 4 or key to display the required setpoint The figure below shows an example of setting the PV input type to a K type thermocouple 200 0 C to 500 0 C MENU UTMD IN 1 input 1 type select changing IN1 typeK3 Blinks during change IM05D01B02 46E 1st Edition May 31 2
130. ssword input main menu een od menu LOOP1 LOOP1 loop 1 setup para SETUP main menu 5 Press the key once to display the main menu UTMD UTMD UT750 configuration SETUP main menu oo or7 a ose 7 IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 2 Initial Settings gt 2 5 6 7 8 Press the key once to display the submenu MD MD UT mode set SETUP main menu Press the key once to display the parameter UTM MENU UTMD MD 1 UT mode select UTM 1 Press the or YJ key to display the set point 6 MENU UTMD MD 1 UT mode select changing UTM 6 Blinks during change 9 Press the key once to register the setpoint MENU UTMD MD 1 UT mode select SETUP UTM 6 10 The controller re starts which is normal Then set PV input type See 2 4 Setting PV Input 1 and PV Input 2 Types IN input set SETUP sub menu IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 2 Initial Settings gt 2 6 2 4 Setting PV Input 1 and PV
131. switching Outputs the predetermined preset fixed value when the controller RUN 0 stops A preset output value can be defined for each target setpoint S R using the operating parameter PO STOP 1 Stops operation RUN 0 Starts operation S P NO Target setpoint 1 Selects target setpoint 1 1 SP 2 Selects target setpoint 2 2 SP 1 number selection 3 Selects target setpoint 3 3 SP 4 Selects target setpoint 4 4 SP Likewise options 5 to 8 select target setpoints 5 5 SP to 8 8 SP IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 7 Operation related Parameters Located in Main menu LP1 Submenu PAR Parameter Name of Parameter Setting Range and Description Initial Value User Symbol Setting AT Auto tuning OFF 0 No auto tuning OFF 0 1 Auto tuning for 1 SP 2 Auto tuning for 2 SP 3 Auto tuning for 3 SP 4 Auto tuning for 4 SP 5 to 8 Perform auto tuning on a group basis in the same way as 1 to 4 9 Performs auto tuning to all groups 1 to 8 SC SUPER function OFF 0 Disable OFF 0 1 Overshoot suppressing function Suppresses overshoots generated by abrupt changes in the target setpoint or by disturbances 2 Hunting suppressing function Stable mode Suitable to stabilize the state of control when the load varies greatly or the target setpoint is changed Enables to answer the wider characteristic changes compared with R
132. symbol on the back Folding Direction of Terminal Cover A NOTE Do not fold the terminal cover the wrong way doing so not only reduces the cover s strength but may also cause the hinge to crack thereby disabling attachment 2 With the cover properly folded fit its top and bottom holes to the protrusions of the mounting brackets Fit the hole of the terminal cover to the protrusion on the mounting bracket Attaching Terminal Cover IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 4 Troubleshooting and Maintenance gt 4 7 4 2 4 Replacing Parts with a Limited Service Life The following UT750 parts have a limited service life The service life given in the table assume that the controller is used under normal operating conditions Part Service life Aluminum electrolytic condenser About 10 years rated Batteries for backup About 10 years rated Alarm output relays About 100 000 more ON OFF operations or with resistance load Control output relays About 100 000 more ON OFF operations or with resistance load If any of these parts except control output relays cause a controller failure due to deterio ration contact your dealer for replacement at your cost Control output relays can be replaced by yourself SEE ALSO 4 2 5 Replacing Control Output Relays for how to replace the control output relays IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 4 T
133. t a Zone 1 ETIANI eet value EEA pn controller is operated with Mini lue of i ee the 1st group of PID constants PV range P RL1 Parameter Name of Parameter Setting Range and Description Initial Value User Symbol Setting O P R Output velocity OFF 0 OFF 0 limiter 0 1 to 100 0 sec can limit control output velocity MOD PID control mode 0 Standard PID control with output bump at SP change 0 1 Fixed Point control without output bump at SP change Choose Fixed Point Control when controlling pressure or flow rate AR Anti reset windup AUTO 0 50 0 to 200 0 AUTO 0 Excess integration The larger Setting the sooner PID computation integral computation stops prevention Used when the control output travels up to 100 or down to 0 and stays at this point ZON Zone PID selection 0 SP selection 0 1 Zone PID If set to SP selection allows PID constants to be selected for each target setpoint If set to Zone PID automatically selects PID constants according to the temperature range set in the given Reference Point parameter R M D Restart mode CONT 0 Continues action set before power failure CONT 0 MAN 1 Starts from manual operation status AUTO 2 Continues action set before power failure in automatic operation Allows you to determine how the controller should recover from a power failure of longer than 2 sec R TM Restart timer 0 to 10 sec 0 sec Sets time between power on and th
134. t Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt UT750 Operating Parameter Map Operating Display DISP L Operating Operating Operating Operating display 1 display 2 display 3 display n SELECT display 1 y SELECT display 2 Y SELECT display 3 y SELECT display 4 SELECT 2 TE ispl Oo oe i aispiay S ag MODE UPR 2 B A N i tay MODE PNR Peera p n a lt i R2 l i RT 5 MODE RBS S R l RFL SPNO ORB osssrrrnnn 7 i ORL l Not displayed for ON OFF control Not displayed for heating cooling or position lt proportional control Displayed for heating cooling control Displayed for heating cooling or position proportional control Displayed for heating cooling control 1 Parameter MODE A M2 is displayed when UT mode is Dual loop control or Temperature and humidity control 2 Parameter MODE C A M is displaye
135. t setpoint can be selected by key operation or contact input For selection by contact input refer to Contact Input Operating Parameters Function Parameter Main menu Submenu Target setpoint number selection SPNO MODE None Target setpoints 1 to 8 n SP LP1 n PID Proportional band P n P LP1 n PID Integral time I n l LP1 n PID Derivative time D n D LP1 n PID Cooling side proportional band Pc n Pc LP1 n PID Cooling side integral time Ic n lc LP1 n PID Cooling side derivative time Dc n Dc LP1 n PID Note Parameters n SP n P n l n D n Pc n Ic n Dc n 1 to 8 and submenu n PID n 1 to 8 correspond to the target setpoint number selected in the target setpoint number selection SPNO IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 6 Function Block Diagram and Descriptions gt 6 10 The target setpoint ramp rate setting function prevents the target setpoint form changing suddenly It is possible to set the upward and downward changing rate i e ramp rate independently in the parameters UPR and DNR The unit of the ramp rate hour or minute is specified in TMU Setup Parameters Function Parameter Main menu Submenu Ramp rate time unit setting TMU LOOP1 SP Operating Parameters Function Parameter Main menu Submenu Target setpoint ramp rate setting UPR DNR LP1 PAR E Control Output Control output OUTPUT 1 selec
136. tage pulse control output Isolated from other input output terminals and internal circuit Voltage pulse control output terminals Not isolated from analog outputs and 15 V DC loop power supply Isolated from other input output terminals and internal circuit Relay contact control output terminals Isolated between contact output terminals and from other input output terminals and internal circuit Contact input terminals Not isolated between contact input terminals and from com munication terminals Isolated from other input output terminals and internal circuit Relay contact output terminals Not isolated between relay contact outputs Isolated from other input output terminals and internal circuit Transistor contact output terminals Not isolated between transistor contact outputs Isolated from other input output terminals and internal circuit RS 485 communication terminals Not isolated from contact input terminals Isolated from other input output terminals and internal circuit Feedback slide resistance input terminals Not isolated from analog output terminals control retransmission 15 V DC loop power supply and voltage pulse control outputs Isolated from other input output terminals and internal circuit Power terminals Isolated from other input output terminals and internal circuit Grounding terminals Isolated from other input output terminals and internal circuit IM05D01B02 46E 1st Edition May 31 2000 00
137. tandard signal burnout is determined to have occurred if it is 0 1 V or less Input bias current 0 05 A for TC or RTD b terminal Measurement current RTD About 0 13 mA Input resistance 1 MO or more for thermocouple or mV input About 1 MQ for DC voltage input Allowable signal source resistance 250 or less for thermocouple or mV input Effects of signal source resistance 0 1 V Q or less 2 kQ or less for DC voltage input Effects of signal source resistance About 0 01 100 0 Allowable wiring resistance for RTD input Maximum 150 Q wire Conductor resistance between three wires should be equal However 10 Q wire for a maximum range of 150 0 to 150 0 C Wire resistance effect 0 1 C 10 Q Allowable input voltage 10 V DC for thermocouple mV or RTD input 20 V DC for DC voltage input Noise rejection ratio 40 dB 50 60 Hz or more in normal mode 120 dB 50 60 Hz or more in common mode Reference junction compensation error 1 0 C 15 to 35 C 1 5 C 0 to 15 C 35 to 50 C Applicable standards JIS IEC DIN ITS 90 for thermocouples and RTD Auxiliary Analog Input Signals PV Input 2 Available only for controllers with auxiliary analog input terminals Number of inputs 1 terminals i 2 Input type Settable in a range of 0 2 0 10 0 4 2 0 or 1 5 V DC Sampling period 100 200 and 500 ms The sampling period of an auxiliary analog input signal is associated with the PV input s sampling period
138. tanding voltage Between primary terminals and secondary terminals At least 1500 V AC for 1 minute Note Between primary terminals and grounding terminal At least 1500 V AC for 1 minute Note Between grounding terminal and secondary terminals At least 1500 V AC for 1 minute Between secondary terminals At least 500 V AC for 1 minute Primary terminals indicate power terminals and relay output terminals kk Secondary terminals indicate analog I O signal voltage pulse output and contact input terminals Note The withstanding voltage is specified as 2300 V AC per minute to provide a margin of safety Insulation resistance 20 MQ or more at 500 V DC between power terminals and grounding terminal Grounding Class 3 grounding grounding resistance of 100 or less IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 1 Installation gt 1 11 Signal Isolations PV input 1 terminals Isolated from other input output terminals Not isolated from the internal circuit Auxiliary analog input PV input 2 terminals Isolated from other input output terminals and the internal circuit 15 V DC loop power supply terminals Not isolated from analog current output and voltage pulse control output Isolated from other input output terminals and internal circuit Analog output terminals for control output and retransmission Not isolated between analog outputs and from 15 V DC loop power supply and vol
139. tching and the other group is operating displays for a heating cooling loop control with PV switching E Operating Displays for Loop Control with PV Switching and Position Proportional Loop Control with PV Switching SP Display On the Setpoint display LCD the controller displays the target setpoint SP along with the deviation bar OUT Display On the Setpoint display LCD the controller displays the target setpoint PID number and control output value along with the control output bar For position proportional control the valve opening 0 to 100 is displayed instead of the control output value Deviation Trend Display On the Setpoint display LCD the controller displays the deviation trend Data List Display On the Setpoint display LCD the controller displays the target setpoint control output value deviation and PID number Analog Input Display On the Setpoint display LCD the controller displays the PV input 1 AIN1 and PV input 2 AIN3 IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 3 Operations gt 3 2 p TSP 10 f 100 0 C Da Piri 10 DISP key 100 0 C PID 1 30 0 1 DISP nisp key 1 SP 100 0 C OUT 70 0 DV 48 5 C PID 1 nisp key AIN1 80 0 C AIN3 90 0 C Disp key SP disp
140. the registration numbers for 4 SP to 8 SP can be obtained IM 05D01B02 46E 1st Edition May 31 2000 00 lt 5 Parameters gt Contact Output Registration Parameters Located in Main menu CONF Submenu DO 5 21 Parameter Symbol Name of Parameter Setting Range and Description User Setting Initial Value DO Relay output flag registration for DO1 DO2 Relay output flag registration for DO2 Relay output flag DO3 registration for DO3 DO4 Open collector transistor output flag registration for DO4 DOS Open collector transistor output flag registration for DO5 DO6 Open collector transistor output flag registration for DO6 DO7 Open collector transistor output flag registration for DO7 The following setpoints are registration numbers for Loop Control with PV Switching only 5689 Alarm 1 output 0 No function 5690 Alarm 2 output 5691 Alarm 3 output 5693 Alarm 4 output The following setpoints are only available for heating cooling control 1607 Cooling side output 1609 Cooling side output Both the setpoints 1607 and 1609 provide the same cooling side output value 5689 5690 1607 1609 5691 5693 Parameters R151 to R258 are shown only for a controller with communication function See the CD ROM edition of the user s manual for details on how to use these parameters Co
141. ting cooling control cooling side output is output via DO4 Alarm 4 is output via DO6 Alarm 3 is output via DO5 contact output 5 Alarm 4 is output via DO6 contact output 6 No function is assigned to DO7 contact output 7 Setup Parameters Function Parameter Main menu Submenu Alarm 1 type AL1 LOOP1 ALM Alarm 2 type AL2 LOOP1 ALM Alarm 3 type AL3 LOOP1 ALM Alarm 4 type AL4 LOOP1 ALM Operating Parameters Function Parameter Main menu Submenu Alarm 1 setpoint n A1 LP1 n PID Alarm 2 setpoint n A2 LP1 n PID Alarm 3 setpoint n A3 LP1 n PID Alarm 4 setpoint n A4 LP1 n PID Note Submenu n PID n 1 to 8 corresponds to the target setpoint number selected in target setpoint number selection SPNO E Retransmission Output PV target setpoint or control output can be output to retransmission output 1 OUTPUTS Retransmission output 2 OUTPUT1 can be used when the control output is relay Each function can be set by the following parameters Setup Parameters Function Parameter Main menu Submenu Retransmission output 1 type RET1 CMLP RET Retransmission output 1 scale RTH1 RTL1 CMLP RET Retransmission output 2 type RET2 CMLP RET Retransmission output 2 scale RTH2 RTL2 CMLP RET IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 6 Function Block Diagram and Descriptions gt 6 12 E 15 V DC Loop Power Supply The 15 V
142. tpoint 41 for controllers with Wiring can only be carried out for 1A i communication functions 28 RoB 2 controllers with auxiliary analog input 12 I 12 23 SDB gt Auxiliary analog input gt 12 b 250 0 4 20mA i 29 RDA gt 13 i 24 SDA gt I 13 B KE i 30 sG 21 Specify in a range of 7 i 25 RDB i i H T 22 iN ON De wae mV V input Note Connecting a 250 Q resistor to the terminals is Position proportional control output 6 ROAL 3 optional H 3 1 Model X010 250 2 resistor with M3 5 crimp on terminal 1 Relay contact output Feedback input pete Tawny 12 lugs j 7 7 27 s fh EDEL L S OO a i 0 wirec 48O 47 T 13O Anote ae aa lt Installation category overvoltage category II IEC1010 1 Reverse com lt 50 woe 145 Retransmission output 1 PV retransmission is configured at factory r e L before shipment Contact rating 250 V AC 3 A Resistance 1000 to 2 5 kQ 30 V DC 3 A resistance load 43 14 0 20 mA DC OJOJOO OCOOOCQOOCOHG Power supply P i Retransmission Default 4 20 mA DC Load resistance 600 or less ower supply A g 1 CAUTION output 2 15 V DC loop power supply If 15 V DC loop power supply is used gt Default Unspecified Before carrying out wiring turn off the power retransmission output 1 cannot be used to the controller and check that cables to be connected are not alive w
143. ts the output type among the current output voltage pulse output and relay contact output signal Preset output value is output when the operation is stopped by key operation or contact input which takes priority over the manual operation Each function can be set by the following parameters Setup Parameters Function Parameter Main menu Submenu Control output type selection OT1 UTMD OUT Control output cycle time CT1 UTMD OUT Cooling side control output cycle time CTc1 UTMD OUT Analog output 1 type AO1 UTMD OUT Operating Parameters Function Parameter Main menu Submenu Preset output n PO LP1 n PID Cooling side preset output n POc LP1 n PID Output limiter n OL n OH LP1 n PID Note Parameters n PO n OL n OH n Oc n 1 to 8 and submenu n PID n 1 to 8 correspond to the target setpoint number selected in the target setpoint number selection SPNO IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 6 Function Block Diagram and Descriptions gt 6 11 E Contact Output Alarm 1 is output via DO1 contact output 1 Alarm 2 is output via DO2 contact output 2 Alarm 3 is output via DO3 contact output 3 When cooling side output is set for relay output in heating cooling control cooling side output is output via DOS Alarm 3 is output via DOS Alarm 4 is output via DO4 contact output 4 When cooling side output is set for transistor output in hea
144. tting tool e Process variable PV Displays PV display Displays an error code in red if an error occurs Displays the name and value of a target setpoint SP output OUT deviation DV deviation 7 Setpoint display trend valve opening or a parameter Displays an error code if the controller fails Used to switch between the AUTO and MAN modes Each time you press the key it switches to the 8 AM koy A M AUTO or MAN mode alternately 9 SET ENT ke SETEN Used to switch or register a parameter Pressing the key for more than 3 second allows you to switch y Y between the operating display and the main menu for operating parameter setting display alternately Used to switch between displays Pressing this key while any operating display is shown lets you switch to another prearranged operating display Pressing this key while any display other 10 DISP key DISP than an operating display is shown lets you go back one display One to four presses maximum of this key lets you return to the current operating display though the number of presses depends on the operating status Used to change numerical values On setting displays for various parameters you can change target Vand A A setpoints parameters and output values in manual operation Pressing the VV key decreases a 11 kevs numerical value while pressing the A key causes it to increase You can hold down a key to gradually y Y increase the speed of change These key
145. unction I SPP SPB SPI4 SP SP6 SPY SPB SP DH 194 v 19 2 Alarm3 output po3 4 o Dit ON OFF ON OFF ON OFF ON OFF 5 w Note 1 Di2 OFF ON ON JOFF OFF ON ON OFF pie figl Di2 18 Common com 7 DI3 OFFIOFF OFF ON ON ON ON OF F a Dis OFFOFFIOFFOFFIOFFOFFOFF ON pis 40 45V DIS 40 Alarm 4 output If all of the contact inputs are set to OFF I A Note 2 DO4 34 the controller uses the immediately bl4 _ m 5 preceding target setpoint D14 89 5V 39 a Alarm 3 output 33 OT1 is a setup parameter 3 DIS Ey Note 1 DOS You can change the settings of the parameter OT1 to change the control output types AUTO when DI5 ON pis 38 5V 38 5 2 See 2 Initial Settings MAN when DISSOFE i Dis Y o Alarm 4 output nog 32 STOP when DI6 ON pie 37k v 37 D ki Note 2 Correspondence between parameter OT1 and control output types RUN when DI6 OFF 6 5 cH a No function DO7 31 OT1 0 factory set default OT1 1 OT1 2 OT1 3 PV input 2 when DI7 ON DI7 36 o Diz 36 D Time proportional control Time proportional control Current output On off control PV input Nee I COM 4 C com 35 Relay output Voltage pulse output terminals and 4 Relay output COM 20 T 20 ammon terminas and terminals 6 and 4 terminas and Common T T V Relay contact rating 240 V AC 1A Contact rating 12 V DC 10 mA or more areal fone AAN b a ears load NOTE 1 When operating parameter U3 set to 2 effective to contact input
146. ut and continues action set before power failure in MAN mode AUTO Outputs preset output value PO NOTE as control output and continues action set before power failure in AUTO mode NOTE For heating cooling control preset output value is 50 of PID computation E Troubleshooting when the Controller Fails to Operate Correctly If your control tasks are not successful check the preset parameters and controller wiring before concluding the controller to be defective The following show some examples of troubleshooting you should refer to in order to avoid the possibility of other problems The Controller does not Show the Correct Process Variable PV The UT750 controllers have a universal input The type of PV input can be set changed using the parameter IN1 At this point the controller must be wired correctly according to the selected type of PV input Check the wiring first if the controller fails to show the correct PV value To do this refer to 2 Initial Settings With the parameters RH1 RL1 SDP1 SH1 and SL1 it is possible to scale the input signal and change its number of decimal places Also check that these param eters are configured correctly The Controller does not Provide any Control Output or the Control Output does not Change at all The UT750 controllers have a universal output The type of control output can be set changed using the parameter
147. utput 0 0 Heating cooling control 100 0 1 MR Manual reset 5 0 to 105 0 enabled when integral time 1 1 is OFF The manual reset value equals the output value when PV SP is true For example if the manual reset value is 50 the output value is 50 when PV SP becomes true 50 0 1 H ON OFF control hysteresis Heating side ON OFF control hysteresis in heating cooling control In ON OFF control 0 0 to 100 0 of PV range span In position proportional PID control or heating cooling control 0 0 to 100 0 Hysteresis can be set in the target setpoint when the controller is performing ON OFF control Point of ON OFF action Output Target setpoint Hysteresis gt PV value ON OFF control 0 5 of PV range span Position proportional PID control and heating cooling control 0 5 1 DR Direct reverse action switching REVERSE 0 reverse action DIRECT 1 direct action Control output action action ae Deviation PV SP REVERSE 0 IM 05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 5 Parameters gt 5 9 Parameter Name of Parameter Setting Range and Description Initial Value User Symbol Setting Pc Cooling side 0 0 to 999 9 5 0 proportional band Cooling side ON OFF control applies when 0 0 Ic Cooling side integral OFF 0 1 to 6000 sec 240 sec time Dec Cooling side d
148. value changed using the or 4 key Note that the control output changes as displayed without requiring the key 1 Bring manual operating display into view For switching to manual operation see 3 8 Switching between AUTO and MAN SETENT 2 Press the 4 or key to change a control output value You don t need to press the key 100 0 C PID 40 0 50 100 ee g g E Manipulating the Control Output during Heating Cooling Control Showing the Heating Cooling OUT display MAN1 lamp ON 1 SP 100 0 C PID 3 C 100 0 H 0 0 CooL Cooling side Heating side output Heating Cooling OUT output display IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 3 Operations gt 3 14 Controller Behavior and Control Output Manipulation when the Dead Band is Positive The following is an example when the DB parameter is set at 12 4 If you hold down the LJ key with the heating side output under manipulation i e cooling side output C 0 0 the heating side output H decreases Consequently both the heating side and cooling side outputs change to 0 0 If you keep the Ly key held down longer you enter the state of manipulating the cooling side output and its value begins to increase Inversely if you hold d
149. where outputting signal levels of less than 0 mA is not feasible Load resistance 600 Q or less e Output accuracy 0 1 of span 5 of span for 1 mA or less Under standard operating conditions 23 2 C 8E 10 RH power frequency of 50 60 Hz Control Output Universal output system The output type can be selected with the software Relay contact output s for the position proportional type e Current output Single loop type terminals 46 47 heating side output terminals 4 4 cooling side output terminals 49 45 Number of outputs 1 or 2 two for heating cooling control switched between a voltage pulse output and current output Output signal 4 20 0 20 20 4 or 20 0 mA DC Load resistance 600 or less Output accuracy 0 1 of span 5 of span for 1 mA or less Under standard operating conditions 23 2 C 55 10 RH power frequency of 50 60 Hz e Voltage pulse output Single loop type terminals 4 4 heating side output terminals 4 4 cooling side output Not selected Number of 1 outputs switched between a voltage pulse output and current output Output signal On voltage 12 V or more load resistance 600 Q or more Off voltage 0 1 V DC or less Resolution 10 ms or 0 1 of output whichever is larger IM05D01B02 46E 1st Edition May 31 2000 00 lt Toc gt lt 1 Installation gt 1 9 e Relay contact output Single loop type terminals

Model UT750 Digital Indicating Controllers User`s Manual for Loop

Contents

Download Pdf Manuals

Related Search

Related Contents