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