YOKOGAWA UT55A - DC Loop Power Supply Wiring

17-24
IM 05P01C31-01EN
17.4.9 15VDCLoopPowerSupplyWiring
This can be used when it is not used for retransmission output.
Thecontrollerisequippedwithanon-isolatedlooppowersupply(14.5to18.0VDC)for
connecting a 2-wire transmitter.
Class D grounding
(grounding resistance of 100 Ω or less)
PV input
0.4-2 V DC
Shield
–
+
2-wire transmitter
RET terminals
14.5-18.0 V DC
100 Ω
206
205
203
202
4-20 mA DC
OUT terminal and OUT2 terminal also can be used.
17.4.10 24VDCLoopPowerSupplyWiring
This can be used when the optional suffix code /LP, /LCH1, /L4, or /LC4 is specified.
The controller with the optional suffix code /LP, /LCH1, /L4, or /LC4 is equipped with an
isolatedlooppower
supply(21.6to28.0VDC)forconnectinga2-wiretransmitter.
Class D grounding
(grounding resistance of 100 Ω or less)
PV input
4-20 mA DC
Shield
–
+
2-wire transmitter
LPS terminals
21.6-28.0 V DC
506
505
306
305
203
204
LPS terminals
21.6-28.0 V DC
For UT52A
4-20 mA DC
17.4 Wiring