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Do not remove the cold junction temperature compensation resistor from the terminal block.
Terminal
number
Terminal block for I/O
Indication
Heating-cooling control
(expanded mode)
Mix control (normal mode) Mix control (expanded mode)
Symbol Name Symbol Name Symbol Name
1 OUT1 L1H CH1 Heating output L1H CH1 Heating output L1H CH1 Heating output
2 OUT2 L1C CH1 Cooling output L1C CH1 Cooling output L1C CH1 Cooling output
3 OUT3 L2H CH2 Heating output L3 CH3 Output L3 CH3 Output
4 OUT4 L2C CH2 Cooling output L4 CH4 Output L4 CH4 Output
5 COM- Output common COM- Output common COM- Output common
6 NC NC Unused NC Unused NC Unused
7 IN1 1+ CH1+ CH1 Thermocouple + CH1+ CH1 Thermocouple + CH1+ CH1 Thermocouple +
8 IN2 2+ CH2+ CH2 Thermocouple + MT2+ Monitor 2 thermocouple + CH2+ CH2 Thermocouple +
9 IN1 1- CH1- CH1 Thermocouple - CH1- CH1 Thermocouple - CH1- CH1 Thermocouple -
10 IN2 2- CH2- CH2 Thermocouple - MT2- Monitor 2 thermocouple - CH2- CH2 Thermocouple -
11 NC NC Unused NC Unused NC Unused
12 CJ CJ
Cold junction temperature
compensation resistor
CJ
Cold junction temperature
compensation resistor
CJ
Cold junction temperature
compensation resistor
13 NC NC Unused NC Unused NC Unused
14 CJ CJ
Cold junction temperature
compensation resistor
CJ
Cold junction temperature
compensation resistor
CJ
Cold junction temperature
compensation resistor
15 IN3 3+ CH3+ CH3 Thermocouple + CH3+ CH3 Thermocouple + CH3+ CH3 Thermocouple +
16 IN4 4+ CH4+ CH4 Thermocouple + CH4+ CH4 Thermocouple + CH4+ CH4 Thermocouple +
17 IN3 3- CH3- CH3 Thermocouple - CH3- CH3 Thermocouple - CH3- CH3 Thermocouple -
18 IN4 4- CH4- CH4 Thermocouple - CH4- CH4 Thermocouple - CH4- CH4 Thermocouple -