2-6
Section
Wiring CT Inputs and Control/Alarm Outputs
23
•
When connecting a relay load, insert a diode to prevent surge.
E5ZE
Relay
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.
G7TC-OC08
G7TC-OC16
Don’t use
Don’t use
24 VDC/
12 VDC
Alarm 1
Alarm 2
HB alarm
HS
alarmTemperature Controller error
Cooling control output (Do not use with
E5ZE-8A
Standard Models.)
Internal circuit of G7TC I/O Block
G7T (SPST-NO)
Don’t use
Don’t use
24 VDC/
12 VDC
Alarm 1
Alarm 2
HB alarm
HS
alarm Temperature
Controller
error
0
1
2
3
4
5
6
7
Points
•
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-8V
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-
O
16 I/O Block.
G7VC-O
16
24 VDC
Alarm 1
Alarm 2
HB alarm
HS
alarm
Temperature
controller error
Cooling control output (Do not use with
E5ZE-8A
Standard Models)
A2 to A6 common
A12 to A19 common
•
Do not use terminals marked “Don’t use.” Doing so may cause the E5ZE or
G7VC to malfunction.
Connecting G7TC I/O
Blocks
Connecting G7VC I/O
Blocks
