32
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
2-12 RS -485
2-12 RS -485
Max. 247 units can be linked
SNA10A or
SNA10B
RS-485 to RS-232
network adaptor
TX1
TX2
PC
RS-232
TX2
TX1
RS-485
Twisted-Pair Wire
Figure 2-12
RS-485 Wiring
Figure 2-12
RS-485 Wiring
UM L91-Rev 8
2-13 Retransmission Output
2-13 Retransmission Output
+
-
Output options include: Ma and VDC
MA/VDC
