YOKOGAWA UT55A - Page 378

17-9
IM 05P01C31-01EN
Installation and Wiring
17
AIN4AuxiliaryAnalogInput(E4-terminalarea)
InLoopcontrolwithPVauto-selectorfor4inputs,auxiliaryanaloginput(E4-terminal
area)isusedforPVinput4.
In Single-loop control or Single-loop position proportional control, auxiliary analog input
(E4-terminal area) is used for feedforward input.
UT55A/UT52A
Remote
Inputwith
DirectInput(Optionalsuffixcode/DRor/U1)(E1-terminalarea)
TC input
303
302
TC
–
+
Compensating lead wire
Class D grounding
(grounding resistance
of 100 Ω or less)
RSP/DR
Shield
RTDinput(3-wiresystem) RTDinput(4-wiresystem)
303
302
301
RTD
A
B
b
Lead wire resistance per wire of
150 Ω or less. Make the resistance
of the three wires equal.
A
b
B
RSP/DR
Shield
Class D grounding
(grounding resistance
of 100 Ω or less)
304
303
302
301
RTD
A
B
b
a
Lead wire resistance per wire of
150 Ω or less.
A
a
b
B
Class D grounding
(grounding resistance
of 100 Ω or less)
Shield
RSP/DR
DCvoltage(mV,V)input DCcurrent(mA)input
303
302
–
+
+
–
DC voltage
Class D grounding
(grounding resistance of 100 Ω or less)
Shield
RSP/DR
304
303
–
+
+
–
DC current
Class D grounding
(grounding resistance of 100 Ω or less)
Shield
RSP/DR
17.4 Wiring