Modular Temperature Controller
EJ1
9
■
Multiple Units with an EJ1N-HFU
Building Systems Communicating 1:1 with a PLC Using Programless
Communications
•
The 2 auxiliary outputs (transistor outputs) provided on the End Unit can be used.
•
In addition to the 2 auxiliary alarm outputs provided on the End Unit, the 4 event inputs/4 auxiliary outputs (transistor outputs) of the HFU can
also be used.
•
G3ZA outputs can be used.
•
Distributed placement is possible by using multiple EJ1C-EDU End Units
SW2
SW1
ERROR
OCC
SD/RD
READY
G3ZA
SW2
SW1
ERROR
OCC
SD/RD
READY
SW2
SW1
ERROR
OCC
SD/RD
READY
G3ZA
G3ZA
PC
EJ1N-HFU
PLC
EJ1N-TC4
or
EJ1N-TC2
EJ1C-EDU
Port B
RS-232C
Port B is used for distributed placement.
Port A (connector): USB connection can be made with the
E58-CIFQ1 (sold separately).
COM1
COM2
COM3
PWR
RUN
ERR
ALM
SW1
ON
SW2
2
13
4
5
6
7
8
EJ1-TC4
01
2345
678
9A
BCDEF
COM1
COM2
COM3
PWR
RUN
ERR
ALM
SW1
ON
SW2
2
13
4
5
6
7
8
EJ1-TC4
01
2345
678
9A
BCDEF
COM1
COM2
COM3
PWR
RUN
ERR
ALM
SW1
ON
SW2
2
13
4
5
6
7
8
EJ1-TC4
01
2345
678
9A
BCDEF
COM1
COM2
COM3
PWR
RUN
ERR
ALM
SW1
ON
SW2
2
13
4
5
6
7
8
EJ1-HFU
01
2345
678
9A
BCDEF
CX-Thermo for setting
G3ZA
connecti-
on port
G3ZA
connection
port
Port C
G3ZA
connection
port