Delta SI 5000

12
8
1
Pin
1 Not used
2 Not used
3 Not used
4 GND (RS485)
5 TERM (RS485)
6 RX_B (RS485)
7 TX_A (RS485)
8 Not used
Top View
Connector pin assignment RS485 (EIA485)
+5V
Not used
Not used
0R
0R
121R
TX_A
RX_B
TERM
GND
Pin 7
Pin 6
+5V
Not used
Not used
0R
0R
121R
TX_A
RX_B
TERM
GND
Pin 6
Pin 5
100 ... 150
Ohm, 0,25W
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: