Rs-485 - Brainchild L91 User Manual

Temperature limit controller
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2-12 RS-485

Terminating Resistor
220 ohms/0.5W
32
TX2
1
2
TX1
3
4
5
Twisted-Pair Wire
1
2
3
4
5
Max. 247 units can be linked
1
TX2
2
TX1
3
4
5
UM0L911C
6
7
8
RS-485 to RS-232
9
network adaptor
SNA10A
10
RS-485
RS-232
TX1
TX2
6
7
8
9
10
6
7
8
9
10
Figure 2-12
RS-485 Wiring
PC

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