Wiring - Omron CQM1H series Operation Manual

Wiring

3-4

Wiring

Wiring
266
CQM1-TC001
Cold junction
compensator
Loop 2
OUT
COM
L
Note When using only one control loop, short-circuit the loop 2 input terminals. If used
with the terminals open, "E400" (PV error) will be read into the CPU Unit for
approximately 10 seconds when power is turned ON.
CQM1-TC101
Loop 2
OUT
COM
L
• Do not touch or remove the cold junction compensator.
(CQM1-TC001/TC002)
• Connect to loop 1 terminals and turn ON pin 5 on SW1 when using only one
control loop.
• Use the input sensor set on the function DIP switch.
–
Loop 1
TC
+
Cold junction
–
compensator
Loop 2
TC
+
Loop 1
OUT
+ DC
L
+ 24 VDC
B
B
Loop 1
Pt
A
B
B
Loop 2
Pt
A
Loop 1
OUT
+ DC
L
+ 24 VDC
Section 3-4
CQM1-TC002
–
+
–
+
Loop 1
Loop 2 OUT
OUT
COM
0 V
L
+ 24 VDC
CQM1-TC102
B
B
Loop 1
Pt
A
B
B
Loop 2
Pt
A
Loop 1
Loop 2 OUT
OUT
COM
0 V
L L
+ 24 VDC
Loop 1
TC
Loop 2
TC
L