Electrical connection Levelflex FMP51 Modbus
18 Endress+Hauser
6 Electrical connection
6.1 Connecting requirements
6.1.1 Terminal assignment
Modbus
Connection to a Modbus master
open
Fieldbus
+ -
3
1 2
10.5...29V=
A (+)
B (-)
GND
[30]
Modbus
4-wire
71372391
Spare part
4
5
A0035159
1 Modbus master
2 Supply voltage
3 Cable entry for the Modbus connection
4 Cable entry for the supply voltage
5 Connection for protective ground
Connection to FieldCare/DeviceCare via RS485
For configuration via FieldCare or DeviceCare, it is advisable to disconnect the device
from the bus and to connect it to the computer via a USB-to-RS485 interface.