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6 Programless Communications
6-5-2
Switch Settings and Wiring
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.
Pin
1
No terminating resistance
2
4-wire
3
4-wire
4
---
5
RS control disabled. (Signal
always received.)
6
RS control disabled. (Signal
always sent.)
Wire the CJ1W-CIF11 to the E5CD Controllers as shown below.
CJ1W-CIF11
RDA-
RDB+
SDA-
SDB+
FG
RDB+
RDA−
Shield
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).
6-5-3
PLC Setup
Set up communications on the CJ1W-SCU21-V1 to enable communicating with the E5CD 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 - 34
OFF
Terminating resistance on
both ends
2-wire
2-wire
---
RS control enabled.
RS control enabled.
FG
B(+)
B(+)
13
13
14
14
−
−
A(
)
A(
)
Shield
E5CD
E5CD
No.0
No.1
ON
Terminating resistance selection
2-wire or 4-wire selection
Same as above.
Not used.
RS control selection for RD
RS control selection for SD
120 Ω (1/2 W)
terminating resistance
B(+)
13
14
−
A(
)
Shield
E5CD
No.2
E5@D Digital Temperature Controllers Communications Manual (H225)
Setting
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