Installation
8 (44)
2.3.6
RS-485 Serial Interface (3-pin)
Fig. 7
RS-485 connector
The RS-485 interface can be used for multiple Modbus RTU devices.
RS-485 connector pin layout
Pin
Function
A
RS-485 A line
B
RS-485 B line
COM
RS-485 common
2.3.7
RS-232 Serial Interface (3-pin)
Fig. 8
RS-232 connector
The RS-232 interface can be used for a single Modbus RTU device.
RS-232 connector pin layout
Pin
Function
Rx
Receive (input)
Tx
Transmit (output)
GND
Signal ground
Netbiter LC300 Series User Manual
SCM-1202-047
1.2
Содержание Netbiter LC300 Series
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