Omron EJ1N-TC4

Modular Temperature Controller EJ1 13
MELSEC-Q/QnA/QnAS Series
Note: 1. Refer to the Mitsubishi Electric PLC documentation for information on MELSEC PLCs.
2. Direct connections to the EJ1 are possible only with RS-232C or RS-422.
3. More than one EJ1 Controller to one PLC is not possible even with RS-422 communications. Refer to
Connecting EJ1 Controllers 1:N to a PLC,
below, for product combinations that support 1:N connections
.
4. Connection ability has been verified for the above MELSEC models. Design changes and other factors, however, may prevent normal connection.
Always confirm operation in advance.
MELSEC-An/AnS Series
Note: Use an AnA/AnU CPU.
MELSEC-FX
3UC
Series
Connecting EJ1 Controllers 1:N to a PLC
The combinations of PLCs and HFUs that can be connected 1:N are listed below.
SYSMAC CS/CJ Series
MELSEC-Q/QnA/QnAS Series
Note: Refer to the Mitsubishi Electric PLC documentation for information on MELSEC PLCs.
Name Model No. Communications ports
Channel 1 Channel 2
Q-compatible Serial
Communications Unit
QJ71C24N
QJ71C24
RS-232C RS-422/485
QJ71C24N-R2
QJ71C24-R2
RS-232C RS-232C
QJ71C24N-R4 RS-422/485 RS-422/485
QnA-compatible Serial
Communications Unit
AJ71QC24N RS-232C RS-422/485
AJ71QC24N-R2 RS-232C RS-232C
AJ71QC24N-R4 RS-422 RS-422/485
QnAS-compatible Serial
Communications Unit
A1SJ71QC24N RS-232C RS-422/485
A1SJ71QC24N-R2 RS-232C RS-232C
V1.1
Name Model No. Communications ports
An-compatible Computer Link Unit AJ71UC24 RS-232C or RS-422/485
AnS-compatible Computer Link Unit A1SJ71UC24-R2 RS-232C
A1SJ71UC24-R4 RS-422/485
A1SJ71UC24-PRF RS-232C
V1.1
Name Model No. Communications ports
Communications Adapter FX
3U
-232ADP RS-232C
FX
3U
-485ADP RS-485
Function Board FX
3U
-232-BD RS-232C
FX
3U
-485-BD RS-485
Name Model No.
Serial Communications Units Port 1 on CJ1W-SCU31-V1
Port 1 on CJ1W-SCU41-V1
Port 1 on CS1W-SCU31-V1
Serial Communications Board Port 1 on CS1W-SCB41-V1
EJ1N-HFU EJ1N-HFUA-NFLK
EJ1N-HFUB-NFLK
Name Model No.
Serial Communications Units Channel 2 of QJ71C24N
QJ71C24N-R4
Channel 2 of A1SJ71QC24N
Channel 2 of AJ71QC24N
AJ71QC24N-R4
EJ1N-HFU EJ1N-HFUA-NFL2
EJ1N-HFUB-NFL2
V1.1