Omron E5 D Series Communications Manual page 182

6 Programless Communications
6-10-2 Wiring
Wire the RJ71C24 to E5CD 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
E5CD
resistance
No.0
E5@D Digital Temperature Controllers Communications Manual (H225)
Terminating resistance
B(+) B(+)
Shield 120
13 13
14 14
A(−) A(−)
E5CD E5CD
No.1 No.2
Ω (1/2 W)