Endress+Hauser Proline 300, Краткое руководство по эксплуатации

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Electrical connection Proline 300 Modbus RS485
22 Hauser
Hardware addressing
1.
1
2
3
4
5
6
7
8
128
64
32
16
8
4
2
1
Modbus addr
ess
A0029634
Set the desired device address using the DIP switches in the connection compartment.
2.
On Off
2
3
1
4
A0029633
To switch addressing from software addressing to hardware addressing: set the DIP
switch to On .
 The change of device address takes effect after 10 seconds.
Software addressing
‣
To switch addressing from hardware addressing to software addressing: set the DIP switch
to Off .
 The device address configured in the Device address parameter takes effect after 10
seconds.
5.5.2 Enabling the terminating resistor
To avoid incorrect communication transmission caused by impedance mismatch, terminate
the Modbus RS485 cable correctly at the start and end of the bus segment.