40
6 INSTALLATION AND WIRING
6.3 External Wiring
Position proportional control
*1 Use the shielded compensation lead wire.
*2 Use the shielded cable.
Use the compensation lead wire for the cable of a thermocouple. The shielded cable cannot be used. If the
compensation lead wire is not used, and when the cold junction temperature compensation resistor (1) is
away from the end tip (2) of a thermocouple, the (ambient) temperature (3) difference may lead to a faulty
temperature process value (PV).
M
R60TCTRT2TT2
CH1+
CH1-
CH2+
CH2-
CH4+
CH4-
COM-
·
CH2
CLOSE
CH2
OPEN
CH1
CLOSE
CH1
OPEN
*2
*1
*1
*2
SSR
SSR
Control motor
power supply
Control motor
Fluid
OUT2
(CH1 close side)
OUT1
(CH1 open side)
Internal
circuit
Internal
circuit
Internal
circuit
24VDC
Filter
Filter
Filter
Controlled
object
Controlled
object
Positioner
R60TCTRT2TT2(BW)
(1)
(3)
(2)
Содержание MELSEC iQ-R series
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