Omron E5AC, Communications Manual

Page: 148 / 224

6 Programless Communications
6 - 34
E5@C Digital Temperature Controllers Communications Manual (H175)
Before you attach the CJ1W-CIF11 to the CJ1W-SCU21-V1, turn OFF pin 4 on the DIP switch on the
back of the CJ1W-CIF11 and turn ON the rest of the pins.
Wire the CJ1W-CIF11 to the E5CC Controllers as shown below.
Note: 1 The maximum transmission distance is 50 m.
2 For wiring methods, refer to
Appendix G CJ1W-CIF11 RS-422A Converter
in the
SYSMAC CJ/NSJ Series
Operation Manual
(Cat. No. W393).
Set up communications on the CJ1W-SCU21-V1 to enable communicating with the E5CC Controllers.
PLC operation will stop and the power supply will be cycled during the setup procedure. Make sure that
this will not create any problems in the controlled system.
Connecting to the PLC
Refer to
Connecting to the PLC
in
6-4-3 PLC Setup
.
6-5-2 Switch Settings and Wiring
Pin OFF ON Setting
1 No terminating resistance Terminating resistance on
both ends Terminating resistance selection
2 4-wire 2-wire 2-wire or 4-wire selection
3 4-wire 2-wire Same as above.
4 --- --- Not used.
5 RS control disabled. (Signal
always received.) RS control enabled. RS control selection for RD
6 RS control disabled. (Signal
always sent.) RS control enabled. RS control selection for SD
6-5-3 PLC Setup
Shield
Shield
Shield
E5CC
No.0
E5CC
No.1
E5CC
No.2
120
Ω
(1/2 W)
terminating resistance
RDA- RDB+ SDA- SDB+ FG
FG
RDA
− RDB+
13
14
B(+)
A(
−
)
13
14
B(+)
A(
−
)
13
14
B(+)
A(
−
)
CJ1W-CIF11