Description of the Inline controller
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mination (120 Ω) and quiescent potential setting (biasing of 510 Ω each) of the RS-485 net-
works connected with COM1 or COM2 according to BACnet MS/TP specifications. Each in-
dividual resistor can therefore be separately switched on via DIP switch.
Figure 2-2 Assignment of DIP switches for RS-485 termination
RS-485
A1
B1
SH1
RS-485
A2
B2
SH2
1.3
1.4
RS-485
Te r m i n a t i o n
Bias
3
1
3
1
22
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