Connecting Dws2103 With Rs485, Dignostic Bus, 2 Wire - HBM DWS2103 Kurzanleitung

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5.3.2

Connecting DWS2103 with RS485, dignostic bus, 2 wire

For bus termination, comply with documentation provided for the connected
devices. Only devices of the same type must be connected to the bus.
2−wire RS485 (diagnosis)
Shielding connection
RS485, (transmission/reception line A (=R−/T−)
RS485, (transmission/reception line B (=R+/T+)
Voltage supply +, max. 30 V
Voltage supply ground
DWS2103
1.5 TA (TX−)
1.4 TB (TX+)
2.2 UB
2.4 GND
K1
2.2 = U 1
OUT
Fig. 5.3: Cable assignment
HBM
DC
RS485 / 2−wire BUS
/ RA (RX −)
/ RB (RX +)
AED/FIT
DWS2103
DWS2103
Terminal K1
1.1
1.5 TA (TX−) / RA (RX−)
1.4 TB (TX+) / RB (RX+)
2.2 UB
2.4 GND
AED/FIT
A2936-1.0 en/de