YOKOGAWA UT55A User Manual

19-4
IM 05P01C31-01EN
RemoteInputwithDirectInput
• Number of inputs: See the table of Model and Suffix Codes.
• Input type, instrument range, and measurement accuracy: Same as universal input
except the table below.
Input Type InstrumentRange(°C) InstrumentRange(°F) Accuracy
4-wire RTD
JPt100
-200.0 to 500.0°C -300.0 to 1000.0°F ±0.5°Cofinstrumentrange±1digit
-150.00 to 150.00°C -200.0 to 300.0°F ±0.2°Cofinstrumentrange±1digit
Pt100
-200.0 to 850.0°C -300.0 to 1560.0°F ±0.1%ofinstrumentrange±1digit(Note1)
-200.0 to 500.0°C -300.0 to 1000.0°F ±0.5°Cofinstrumentrange±1digit
-150.00 to 150.00°C -200.0 to 300.0°F ±0.2°Cofinstrumentrange±1digit
Note1:±0.5°C±1digitintherangebetween-200.0and500.0°C/-300.0and1000.0°F.
• Input sampling (control) period: Same as universal input
• Burnout detection: Same as universal input
19.1.2 AnalogOutputSpecifications
• Number of outputs:
Control output: 1
Cooling-side control output of Heating/cooling type: 1
• Output type: Current output or voltage pulse output
• Currentoutput:4to20mADCor0to20mADC/loadresistanceof600Ωorless
• Currentoutputaccuracy:±0.1%ofspan(±5%ofspanfor1mAorless.)
 Theaccuracyisthatinthestandardoperatingconditions:23±2°C,55±10%RH,and
powerfrequencyat50/60Hz.
• Voltagepulseoutput:
Use: Time proportional output
 On-voltage:12Vormore/loadresistanceof600Ωormore
 Off-voltage:0.1VDCorless
 Timeresolution:10msor0.1%ofoutput,whicheverislarger
19.1.3 StepResponseTimeSpecifications
Within 500 ms (when the control period is 50 ms or 100 ms)
Within 1 s (when the control period is 200 ms)
(63%ofanalog
outputresponsetimewhenastepchangeof10to90%ofinputspanis
applied)
19.1.4 RelayContactOutputSpecifications
• Contact type and number of outputs:
Control output: contact point 1c; 1 point
Cooling-side control output of Heating/cooling type: contact point 1c; 1 point (for
UT55A only)
For UT52A, contact point 1a; 2 points for both heating and cooling sides
Alarm output: contact point 1a; 3 points (common is independent)
• Contact rating:
 Contactpoint1c(controloutput):250VAC,3Aor30VDC,3A(resistanceload)
 Contactpoint1a(controloutput):240VAC,3Aor30VDC,3A(resistanceload)(for
UT52A only)
 Contactpoint1a(alarmoutput):240VAC,1Aor30VDC,1A(resistanceload)
• Use: Time proportional output, alarm output, FAIL output, etc.
• Timeresolutionofcontroloutput:10msor0.1%ofoutput,whicheverislarger
Note: Cannot be used for a small load of 10 mA or less.
19.1HardwareSpecifications

YOKOGAWA UT55A Specifications

General

Brand	YOKOGAWA
Model	UT55A
Category	Temperature Controller
Language	English