Assignment Of Connections For Connection To The Modbus System - Fronius Modbus Card Bedienungsanleitung

Assignment of
Connection
connections for
C
connection to the
Modbus system
TXD1
TXD0
RXD0
RXD1
V
1)
36
2-pin cable
- Common
+ Send and Receive
not assigned
- Send and Receive
not assigned
1)
+ 11.5 V
based on a local power supply with an output power of max. 400mA (e.g. for an
RS485 converter)
The max. output power is dependent on the quantity and type of any other option
cards that may be installed in the inverter.
4-pin cable
- Common
+ Send
- Send
- Receive
+ Receive
1)
+ 11.5 V