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<Toc>

<4. Troubleshooting and Maintenance>

4-7

IM 05D01D02-41E

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.

CAUTION

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
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.

1

2

4

3

2.

Push up the center of the bottom gasket of bezel by a finger to release the latch.

Center of the bottom gasket

Panel

View from the bottom

Latch (invisible in the panel)

1st Edition : May 31,2000-00

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Содержание UT350

Страница 1: ...Instruction Manual IM 05D01D02 41E Models UT350 UT320 Digital Indicating Controllers User s Manual IM 05D01D02 41E 1st Edition...

Страница 2: ...Blank Page...

Страница 3: ...eters Regarding This User s Manual 1 This manual should be provided to the end user Keep an extra copy or copies of the manual in a safe place 2 Read this manual carefully to gain a thorough understan...

Страница 4: ...to avoid electric shock or other dangers that may result in injury or loss of life The following symbols are used in the hardcopy user s manuals and in the user s manual supplied on the CD ROM NOTE I...

Страница 5: ...lays Available during Operation 3 1 3 2 Setting Target Setpoint SP 3 3 3 3 Performing Canceling Auto tuning 3 4 3 4 Setting PID Manually 3 5 3 5 Setting Alarm Setpoints 3 6 3 6 Selecting Target Setpoi...

Страница 6: ...Int Rev IM 05D01D02 41E Toc 2 5 Parameters 5 1 5 1 Parameter Map 5 1 5 2 Lists of Parameters 5 4 6 Function Block Diagram and Descriptions 6 1 1st Edition May 31 2000 00...

Страница 7: ...t alarm Optional functions 2 With heater burnout alarm 0 Standard type 2 Heating cooling type Standard type with 24 V DC loop power supply 3 UT320 Digital indicating controller provided with retransmi...

Страница 8: ...the controller directly on flammable 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 lea...

Страница 9: ...Small bracket Large bracket 91 8 112 Unit mm 96 96 1 to 10 mm Panel thickness General installation Side by side close installation N 1 48 45 0 6 0 0 8 0 92 N stands for the number of controllers to be...

Страница 10: ...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...

Страница 11: ...nce 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 3 Control output relays...

Страница 12: ...2 0 mm2 Thermocouple Shielded compensating lead wires JIS C 1610 X See Yokogawa Electric s GS 6B1U1 E RTD Shielded wires three conductors UL2482 Hitachi Cable Other signals Shielded wires Recommended...

Страница 13: ...TD input Maximum 150 wire Conductor resistance between three wires should be equal However 10 wire for a maximum range of 150 0 to 150 0 C Wire resistance effect 0 1 C 10 Allowable input voltage 10 V...

Страница 14: ...3 of span under standard operating conditions 23 2 C 55 10 RH power frequency of 50 60 Hz Voltage pulse output Standard type terminals 16 17 Heating cooling type Heating side terminals 16 17 Cooling s...

Страница 15: ...EC1010 1 1990 and EN61010 1 1992 Approved by CSA1010 CSA1010 installation category overvoltage category CATII IEC1010 1 Approved by UL508 EMC standards This instrument complies with the following EMC...

Страница 16: ...ut Isolated from other input output terminals and internal circuit 24 V DC loop power supply terminals Isolated from the 15 V DC loop power supply terminals 4 20 mA analog output terminals and voltage...

Страница 17: ...ess Short period vibration 14 7 m s2 15 seconds or less Shock 14 7 m s2 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 Transp...

Страница 18: ...c 1 Installation IM 05D01D02 41E 1st Edition May 31 2000 00 1 5 Terminal Wiring Diagrams NOTE Do not use unassigned terminals as relay terminals Terminal wiring diagrams are shown on and after the nex...

Страница 19: ...40 V AC 10 free voltage 50 60 Hz shared Power supply CAUTION Before carrying out wiring turn off the power to the controller and check that cables to be connected are not alive with a tester or the li...

Страница 20: ...ction 19 18 20 UT 19 18 20 OT 4 factory set default OT 5 Correspondence between parameter OT and heating side cooling side output types OT 6 OT 7 OT 8 OT 9 OT 10 OT 11 OT 12 OT is a setup parameter Yo...

Страница 21: ...mA DC 14 15 15 V DC loop power supply 14 5 18 0VDC 21 mA DC max PV retransmission is configured at factory before shipment Load resistance 600 or less If 15 V DC loop power supply is used retransmiss...

Страница 22: ...e like because there is a possibility of electric shock Power supply Power supply Allowable range 100 to 240 V AC 10 free voltage 50 60 Hz shared 29 28 Heater current detection input 30 CT2 CT1 COM CT...

Страница 23: ...key for more than 3 seconds This brings you to the display operating display that appears at power on Power on Set the alarm type and other setup parameters See 2 2 Setting PV Input Type Setting Firs...

Страница 24: ...s an error code in red if an error occurs 2 Setpoint display Displays the setpoint SP or the output value OUT during operation Displays the set value of parameters on the parameter setting display 3 T...

Страница 25: ...et the minimum value of the range to be controlled Parameters to be set for voltage input 1 PV input type IN Set according to an input signal 2 Maximum value of PV input range RH Set the maximum value...

Страница 26: ...lue of PV input range PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT Displays parameter RL 9 Press the or key to display the required setpoint The figure below shows an example of setting the minimum value of...

Страница 27: ...d between 1999 to 9999 3 300 to 2500 F 199 9 to 999 9 C 0 to 2300 F 199 9 to 500 0 C 199 9 to 999 9 F 199 9 to 999 9 C 300 to 2300 F 199 9 to 400 0 C 300 to 750 F 0 0 to 400 0 C 199 9 to 750 0 F 0 to...

Страница 28: ...P AL1 2 3 SP 2 3 4 SET ENT Displays menu OP PA 3 Press the key once to display the menu STUP PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT Displays menu STUP 4 Press the SET ENT key once to display the param...

Страница 29: ...to register the setpoint PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT 14 Press the SET ENT key once to display the parameter RL minimum value of PV input range PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT Display...

Страница 30: ...T ENT key for more than 3 sec onds to call up the menu OP PA PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT Displays menu OP PA 3 Press the key once to display the menu STUP PV MAN A M SP AL1 2 3 SP 2 3 4 SET...

Страница 31: ...arm type the alarm setpoint will be initialized set the alarm setpoint again Alarm output terminals Alarm 1 terminal numbers PV high limit alarm Alarm 2 terminal numbers PV low limit alarm Alarm 3 ter...

Страница 32: ...nt The figure below shows an example of setting PV low limit alarm PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT Blinks during change 8 Press the SET ENT key once to register the setpoint You can take the sa...

Страница 33: ...it 8 18 Deviation low limit PV Target SP Deviation setpoint Open unlit Hysteresis Closed lit 4 14 De energized on PV high limit De energized on PV low limit PV Open lit Alarm setpoint Hysteresis Close...

Страница 34: ...SP NO 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 I derivative time heating side derivati...

Страница 35: ...e operating displays available during operation are roughly classi fied into two groups depending on the types of controller One group is operating displays for a standard controller and the other gro...

Страница 36: ...Setpoint dis play Operating Displays for Heating Cooling Control PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT SP display allows...

Страница 37: ...etpoint is set through communication the target setpoint cannot be changed by keystroke 1 Bring the operating display into view display appears at power on PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT Displ...

Страница 38: ...nce Processes where a large output change at control element results in inconvenience Processes where variations in PV may exceed an allowable range adversely affect ing product quality 1st Edition Ma...

Страница 39: ...auto tuning follow the procedure below to set values 1 Bring the operating display into view display appears at power on PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT Displays target setpoint Displays PV 2...

Страница 40: ...urns you to the display shown at power on figure below PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT Displays target setpoint Displays PV 3 5 Setting Alarm Setpoints The following operating procedure describ...

Страница 41: ...sec onds This returns you to the display shown at power on figure below PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT Displays target setpoint Displays PV 3 6 Selecting Target Setpoint Numbers SP NO The fol...

Страница 42: ...on figure below PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT SP2 lamp ON 3 7 Switching between Run and Stop Switching between the RUN and STOP states can be performed only using external contact input NOTE...

Страница 43: ...operating display into view display appears at power on PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT Displays target setpoint Displays PV 2 Each time you press the A M key on the front panel of the instrume...

Страница 44: ...witching between AUTO and MAN PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT Displays output value symbol o MAN lamp ON Displays output value 2 Press the or key to change a control output value You don t need...

Страница 45: ...y held down longer you enter the state of manipulating the cooling side output and its value begins to increase Inversely if you hold down the key with the cooling side output under manipulation i e h...

Страница 46: ...Blank Page...

Страница 47: ...ting Is display faulty Yes No Turn off power and then turn it on again Is I O signal faulty Yes No Check the instrument s I O specifications Check the supply voltage Check the specifications of I O co...

Страница 48: ...Normal action 105 Dependent on the BSL parameter Up scale 105 Down scale 5 Measured with RJC 0 Control output Normal action Normal action Preset value output Preset value output Alarm output Normal a...

Страница 49: ...rrectly The Controller does not Provide any Control Output or the Control Output does not Change at all The UT350 UT320 controllers have a universal output The type of control output can be set change...

Страница 50: ...l 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 UT350 T9115NL UT320 T9115NK A large b...

Страница 51: ...ity 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 Fold over Grooved Fold over Alert symbol on the back Grooved Fo...

Страница 52: ...rated About 100 000 times of writings Service life 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 r...

Страница 53: ...her than to replace the control 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 screwd...

Страница 54: ...number of the relays differ depending on the model code of the UT350 UT320 Confirm the location of the control output relay to be replaced before pulling out the relay Relay UT350 0 or UT320 0 Upper...

Страница 55: ...ply 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...

Страница 56: ...Blank Page...

Страница 57: ...eters 5 1 IM 05D01D02 41E 5 Parameters This chapter contains a parameter map as a guideline for setting parameters and lists of parameters for recording User Settings 5 1 Parameter Map 1st Edition May...

Страница 58: ...isplayed for heating cooling control Not displayed for ON OFF control Displayed in automatic operation Displayed when parameter ZON 1 SET ENT SET ENT SET ENT SET ENT SET ENT To switch the parameter di...

Страница 59: ...shipped from the factory this parameter appears first after power on Input Output related FUNC Displayed only for controllers with communication function RL UNIT IN RH RJC SH SDP SL RTH OT BSL RET DIS...

Страница 60: ...ps 1 to 4 OFF 0 Target setpoint number selection 0 Use target setpoint via communication 1 Selects target setpoint 1 1 SP 2 Selects target setpoint 2 2 SP 3 Selects target setpoint 3 3 SP 4 Selects ta...

Страница 61: ...0 Heater burnout current setpoint 1 OFF 0 or 1 to 50 A HB1 On off ratio This is not a setpoint The moving average for 5 cycle times of the control output is shown OR Output high limit Heating side out...

Страница 62: ...1 MR Parameter Symbol Name of Parameter Setting Range and Description Initial Value User Setting Target Item in CD ROM Cooling side integral time OFF 0 1 to 6000 sec 240 sec 60 sec OFF 0 1 to 6000 sec...

Страница 63: ...he Output High Limit OH and Output Low Limit OL parameters are already config ured the control output turns on and off only between the output s high and low limits during auto tuning Auto tuning Usin...

Страница 64: ...he target setpoint from changing suddenly The ramp setting function works when 1 the target setpoint is changed example change in 1 SP from 100 C to 150 C 2 the target setpoint number is switched exam...

Страница 65: ...constants accord ing to the temperature zone You can set a maximum of three temperature zones Time Maximum value of PV input range RH Reference point 2 2 RP Minimum value of PV input range RL Referenc...

Страница 66: ...2 type AL2 is 1 to 20 or 28 to 31 0 00 to 99 59 min sec enabled when alarm 3 type AL3 is 1 to 20 or 28 to 31 0 00 AL1 AL2 AL3 HY1 HY2 HY3 DY1 DY2 DY3 Target setpoint limiter upper limit Target setpoi...

Страница 67: ...th sum check 2 Ladder communication 3 Coordinated master station 4 Coordinated slave station 7 MODBUS ASCII 8 MODBUS RTU 10 Coordinated slave station loop 1 mode 11 Coordinated slave station loop 2 mo...

Страница 68: ...t C 0 Degree Celsius F 5 Fahrenheit 2 No unit This parameter is not shown for voltage input C 0 Max value of PV input range Min value of PV input range Max value of instrument input range Min value of...

Страница 69: ...4 SP 3 SP 2 SP ON ON ON ON OFF OFF OFF OFF SELECT display 1 registration SELECT display 2 registration SELECT display 3 registration SELECT display 4 registration OFF 0 OFF 0 OFF 0 201 to 1015 Select...

Страница 70: ...lay S E T E N T key Ordinary operating displays example Alarm 1 setting display example Useful operating display SELECT display PV MAN A M SP AL1 2 3 SP 2 3 4 SET ENT PV MAN A M SP AL1 2 3 SP 2 3 4 SE...

Страница 71: ...o 100 50 to 100 Heating side output limiter PV SP Manual MV output Communication Heating cooling control provides two methods in which either none of the heating and cooling side outputs are presented...

Страница 72: ...of the control output when the cycle time is set to 10 seconds Setting a shorter cycle time allows the controller to perform elaborate control at short time intervals This significantly reduces the o...

Страница 73: ...D02 41E 6 Function Block Diagram and Descriptions This chapter contains the function block diagrams for Standard type and Heat ing cooling type For details on these function block diagrams refer to th...

Страница 74: ...Communication terminals to RS485 27 23 Target setpoints 1 to 4 Target setpoint ramp rate function Control computation Manual operation Preset output Output limiter OUTPUT1 OUTPUT1 17 16 Relay terminal...

Страница 75: ...ng cooling computation Heating side preset output Heating side output limiter Cooling side preset output Cooling side output limiter OT Heating side output OUTPUT1 OUTPUT1 17 16 Current or pulse termi...

Страница 76: ...computation filtering on input signals Each function can be set by the following parameters Setup Parameters Function Parameter Input selection IN Unit selection UNIT Input range conversion RH RL SDP...

Страница 77: ...tion is assigned to DI1 contact input 1 No function is assigned to DI2 contact input 2 When DIS 3 It is possible to select one out of four setpoints by turning the two contact input signals ON or OFF...

Страница 78: ...PA OP PA OP PA Integral time I n I Derivative time D n D OP PA OP PA Menu Note Parameters n SP n P n I n D n 1 to 4 correspond to the target setpoint number selected in the target setpoint number sel...

Страница 79: ...he following parameters Setup Parameters Function Parameter Control output type selection OT Control output cycle time CT I O I O Menu Operating Parameters Function Parameter Preset output PO Output l...

Страница 80: ...mission output type RET Retransmission output scale RTH RTL FUNC FUNC Menu 15 V DC Loop Power Supply The 15 V DC loop power supply OUTPUT2 RET uses the same terminal as retransmis sion output The 15 V...

Страница 81: ...ontrollers User s Manual Manual No IM 05D01D02 41E May 2000 1st Edition Newly published Written by Products Documents Controllers Conditioners Division Yokogawa M C Corporation Published by Yokogawa M...

Страница 82: ...Blank Page...

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