Wiring - Omron E5CC Communications Manual

6 Programless Communications

6-10-2 Wiring

Wire the RJ71C24 to E5CC Controllers as shown below.
RJ71C24
RJ71C24
Note: 1 Use a terminating resistance of at least 54 Ω.
2 The maximum transmission distance is 500 m.
3 For details on wiring methods, refer to 2.3 RS-422/485 Interface Specifications and 6.2 RS-422/485
Interface Connection Method in the MELSEC iQ-R Serial Communication Module User's Manual (Startup)
(SH-081250ENG).
6 - 74
B(+)
Shield Shield
13
14
A(−)
Terminating
E5CC
resistance
No.0
B(+)
Shield
13
14
A(−)
E5CC
No.1
E5@C Digital Temperature Controllers Communications Manual (H175)
Terminating resistance
Ω
B(+) 120 (1/2 W)
13
14
A(−)
E5CC
No.2