Electrical installation − EMS version
Control terminals
Interfaces RS422 PLC
7
135
EDS84DPS424 EN 5.0
7.6.6 Interfaces RS422 PLC
These connections are available with device versions:
ƒ E84DDxxxxxxxCxDxxx
ƒ E84DExxxxxxxCxDxxx
ƒ E84DFxxxxxxxCxDxxx
ƒ E84DLxxxxxxxCxDxxx
ƒ E84DPxxxxxxxCxDxxx
Because of the integrated PLC also SSI encoders can be evaluated at RS422 interfaces (max.
150 kHz).
X81/X82 − RS422 PLC
Pin Signal Description Data
84DPSO05_8
M12 type, 8−pole sockets, A−coded
1 TxD+ (CLK+)
Transmission+
In accordance with ANSI/TIA/EIA−422
At RS422, PLC supports evaluation of SSI encoders
(max. 150 kHz).
2 TxD− (CLK−)
Transmission−
3 RxD+ (Data+)
Reception+
4 RxD− (Data−)
Reception−
5 n. c.
Not assigned −
6 n. c.
7 GND−EXT
Reference potential
In accordance with IEC 61131−2, type 1
8 +24V
24 V supply
Please observe that the direct coupling of two 8400 protec EMS devices require an external
connection with terminating resistors.
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