Omron E5ZE Operation Manual page 30

Wiring CT Inputs and Control/Alarm Outputs
Connecting G7TC I/O
Blocks
G7TC-OC08
G7TC-OC16
Connecting G7VC I/O
Blocks
G7VC-Oj16
• When connecting a relay load, insert a diode to prevent surge.
E5ZE
ALM: Temperature Controller error, Alarm 1 and 2, HB, and HS
The following diagrams shows an ALARM connector connected to a G7TC-
OC08 and G7TC-OC16 I/O Block respectively.
Don't use
Alarm 1 HS
24 VDC/
alarm Temperature Controller error
12 VDC
Alarm 2
HB alarm
Don't use
Alarm 1
HS
24 VDC/
alarm Temperature
Alarm 2
12 VDC
HB alarm
• Do not use terminals marked "Don't use." Doing so may cause the E5ZE or
G7TC to malfunction.
• G7TC-OC08 I/O Blocks cannot be used with E5ZE-8Vjjjj Heating and
Cooling Control Models.
• Refer to the separate datasheets for details on precautions for the I/O Blocks.
The following diagram shows an ALARM connector connected to a G7VC-
Oj16 I/O Block.
A2 to A6 common
HB alarm
Alarm 2 HS
Alarm 1
alarm
24 VDC
• Do not use terminals marked "Don't use." Doing so may cause the E5ZE or
G7VC to malfunction.
Relay
Don't use
Internal circuit of G7TC I/O Block
Don't use
0 3
1
2
Controller
error
Cooling control output (Do not use with
E5ZE-8Ajjjj Standard Models.)
Cooling control output (Do not use with
E5ZE-8Ajjjj Standard Models)
A12 to A19 common
Temperature
controller error
Section
G7T (SPST-NO)
6
Points
4 7
5
2-6
23