32
6 INSTALLATION AND WIRING
6.1 Terminal Block
• Heating-cooling control (expanded mode), mix control (expanded mode), and position proportional control (expanded
mode)
Do not remove the cold junction temperature compensation resistor from the terminal block.
Terminal
No.
Heating-cooling control (expanded
mode)
Mix control (expanded mode)
Position proportional control
(expanded mode)
Symbol Name
Symbol Name
Symbol Name
1
L1H
CH1 Heating output
L1H
CH1 Heating output
CH1
OPEN
CH1 Open output
2
L1C
CH1 Cooling output
L1C
CH1 Cooling output
CH1
CLOSE
CH1 Close output
3
L2H
CH2 Heating output
L3
CH3 Output
CH2
OPEN
CH2 Open output
4
L2C
CH2 Cooling output
L4
CH4 Output
CH2
CLOSE
CH2 Close output
5
COM-
Output common
COM-
Output common
COM-
Output common
6
NC/
CH2A
Not used/CH2 Resistance
thermometer A
NC/
CH2A
Not used/CH2 Resistance
thermometer A
NC/
CH2A
Not used/CH2 Resistance
thermometer A
7
CH1+/
CH1B
CH1 Thermo/CH1
Resistance thermometer B
CH1+/
CH1B
CH1 Thermo/CH1
Resistance thermometer B
CH1+/
CH1B
CH1 Thermo/CH1
Resistance thermometer B
8
CH2+/
CH2B
CH2 Thermo/CH2
Resistance thermometer B
CH2+/
CH2B
CH2 Thermo/CH2
Resistance thermometer B
CH2+/
CH2B
CH2 Thermo/CH2
Resistance thermometer B
9
CH1-/
CH1b
CH1 Thermocouple -/CH1
Resistance thermometer b
CH1-/
CH1b
CH1 Thermocouple -/CH1
Resistance thermometer b
CH1-/
CH1b
CH1 Thermocouple -/CH1
Resistance thermometer b
10
CH2-/
CH2b
CH2 Thermocouple -/CH2
Resistance thermometer b
CH2-/
CH2b
CH2 Thermocouple -/CH2
Resistance thermometer b
CH2-/
CH2b
CH2 Thermocouple -/CH2
Resistance thermometer b
11
NC/
CH1A
Not used/CH1 Resistance
thermometer A
NC/
CH1A
Not used/CH1 Resistance
thermometer A
NC
Not used
12
CJ
Cold junction temperature
compensation resistor
CJ
Cold junction temperature
compensation resistor
CJ
Cold junction temperature
compensation resistor
13
NC
Not used
NC
Not used
NC
Not used
14
CJ
Cold junction temperature
compensation resistor
CJ
Cold junction temperature
compensation resistor
CJ
Cold junction temperature
compensation resistor
15
CH3+
CH3 Thermo
CH3+
CH3 Thermo
CH3+
CH3 Thermo
16
CH4+
CH4 Thermo
CH4+
CH4 Thermo
CH4+
CH4 Thermo
17
CH3-
CH3 Thermocouple -
CH3-
CH3 Thermocouple -
CH3-
CH3 Thermocouple -
18
CH4-
CH4 Thermocouple -
CH4-
CH4 Thermocouple -
CH4-
CH4 Thermocouple -
Summary of Contents for MELSEC iQ-R series
Page 2: ......
Page 13: ...11 MEMO ...
Page 15: ...13 CONTENTS TRADEMARKS 82 ...
Page 19: ...1 PART NAMES 17 1 MEMO ...
Page 28: ...26 4 PROCEDURES BEFORE OPERATION MEMO ...
Page 52: ...50 6 INSTALLATION AND WIRING 6 5 Unused Channel Setting MEMO ...
Page 79: ...APPENDIX Appendix 1 External Dimensions 77 A MEMO ...
Page 81: ...I 79 MEMO ...
Page 85: ......