Omron EJ1G Datasheet page 14

■ Internal Wiring
Circuit 1
+V
GND
Circuit 2
EJ1G
-TC2
A1/A2
A3
Nomenclature and Specification Settings
■ Nomenclature
PWR
Operation
RUN
ERR
Indicators
ALM
PWR
RUN
SW1
ERR
ALM
SW1
ON
SW2
SW2
14
Modular Temperature Controller for Gradient Temperature Control
EJ1G EJ1G- EJ1G-
-TC4 TC2 TC4
B1/B2 B1/B2 A1/A2
L L L
B3 B3 A3
EJ1G EJ1G EJ1C
-HFU -HFU -EDU
B1/B2 B4/B5 3/4
B3 B6 5
COM1
Operation
EJ1G- COM2
COM3
Indicators
COM1
COM2
COM3
Circuit 3
EJ1G
+V
-TC2
A4/A5
GND
A6
Operation Indicators
EJ1G-TC2/TC4
Operation
Indicators
PWR (green) Lights when the power is ON.
RUN (There is no "RUN" indication printed on the Basic
Unit.)
ERR (red) Flashes or lights when an error occurs.
ALM (red) Lights when an alarm is activated.
COM 1 (orange) Flashes during communications via port A on the
End Unit.
COM 2 (orange) Flashes when the EJ1G is in operation.
COM 3 (orange) Flashes during communications with the G3ZA.
EJ1G-HFU
Operation
Indicators
PWR (green) Lights when the power is ON. (See note.)
RUN (green) Lights during operation.
ERR (red) Flashes or lights when an error occurs.
ALM (red) Lights when an alarm is activated.
COM 1 (orange) Flashes during communications via port A on the
End Unit.
COM 2 (orange) Flashes when the EJ1G system is in operation.
COM 3 (orange) Flashes during communications via port C.
Note: Some time is required for the indicators to light after the power
is turned ON.
EJ1G
EJ1G EJ1G
-HFU -HFU
A1/A2 A4/A5
A3 A6
Meaning
Meaning