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Connector pin assignment RS485 (EIA485)
8
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When several devices are connected in series and the total length of the data line measures 2 m or
more, the following options are available for terminating the RS485 (EIA485) interface:
12
Pin
1
Not used
2
Not used
3
Not used
4
GND (RS485)
5
TERM (RS485)
1
6
RX_B (RS485)
7
TX_A (RS485)
8
Not used
+5V
Not used
0R
0R
121R
Not used
+5V
Not used
0R
0R
121R
Not used
TX_A
Pin 7
100 ... 150
RX_B
Ohm, 0,25W
Pin 6
TERM
GND
TX_A
RX_B
Pin 6
TERM
Pin 5
GND
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