Electrical installation − EMS version
Control terminals
Interfaces RS485/422 PLC
7
133
EDS84DPS424 EN 5.0
7.6.4 Interfaces RS485/422 PLC
These connections are available with device versions:
ƒ E84DDxxxxxxxC1Cxxx
ƒ E84DExxxxxxxC1Cxxx
ƒ E84DFxxxxxxxC1Cxxx
ƒ E84DLxxxxxxxC1Cxxx
ƒ E84DPxxxxxxxC1Cxxx
X81 − RS485 PLC
Pin Signal Description Data
84DPSO05_8
M12 type, 8−pole sockets, A−coded
1 +24V
24 V supply
In accordance with IEC 61131−2, type 1
3 GND−EXT
Reference potential
2 RxD+
RS485A’
In accordance with ANSI/TIA/EIA−485−A−98
4 RxD−
RS485B’
5 TxD+
RS485A
6 TxD−
RS485B
7 n. c.
Not assigned −
8 n. c.
X82 − RS422 PLC
Pin Signal Description Data
84DPSO05_8
M12 type, 8−pole sockets, A−coded
1 +24V
24 V supply
In accordance with IEC 61131−2, type 1
3 GND−EXT
Reference potential
2 RxD+
Reception+
In accordance with ANSI/TIA/EIA−422
4 RxD−
Reception−
5 TxD+
Transmission+
6 TxD−
Transmission−
7 n. c.
Not assigned −
8 n. c.
Please observe that the direct coupling of two 8400 protec EMS devices require an external
connection with terminating resistors.