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User's Guide ______________________________________________________________________
234 __________________________________________________________________M210630EN-B
RS-485 Modules
Specifications
Table 52 Isolated Communication Module DSI485A
Specifications
Property Description/Value
Channels One RS-485
Isolation Galvanic
Operating modes 2-wire RS-485
4-wire RS-485
Power consumption
idle 5 mA
receiving 10 mA
transmitting 20 mA
Connection distance (max.) 1500 m (4900 ft.)
Temperature (operating) -40 ... +60 °C (-40 ... +140 °F)
Temperature (storage) -50 ... +70 °C (-58 ... +158 °F)
Humidity 0 ... 100 % RH
Table 53 Dual-isolated Communication Module DSI486
Specifications
Property Description/Value
Channels
channel A RS-485
channel B RS-232 or RS-485
SDI SDI-12
Isolation Galvanic
Operating modes Two 2-wire RS-485 and SDI-12
2-wire RS-485, RS-232, and SDI-12
Power consumption
idle 2.8 ... 4.3 mA
operating 10.6 ... 12.4 mA
Connection distance (max.) 1500 m (4900 ft.)
Temperature (operating) -40 ... +60 °C (-40 ... +140 °F)
Temperature (storage) -50 ... +70 °C (-58 ... +158 °F)
Humidity 0 ... 100 % RH
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