Danfoss vlt soft starter mcd 500 Manuale di istruzioni per l'installazione - Pagina 2
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Adjustment
3. Adjustment
Network communication parameters must be set on the Modbus Module. DIP switch settings take
effect on the power-up of the Modbus Module via the soft starter.
4. Connection
For the Modbus Module to accept serial commands, a link must be fitted across terminals A1-N2 on
MCD 200 Series starters.
In order for the MCD 500 to accept commands from the serial network, the soft starter must be in
Auto On mode and links must be fitted to terminals 17 and 25 to 18.
In Hand On mode, the starter will not accept commands from the serial network but the starter's
status can still be monitored.
MCD 200
A1
N2
MODBUS
MODULE
SERIAL PORT
+
B8 B7 B6
MCD 200
RS485
GND -
RS485
Modbus network
connection
N.B.!:
If MCD 500 parameter 3-2
starter will not accept start or stop commands from the serial network (the starter will
still accept reset commands and allow status monitoring).
MG.17.F5.02 - VLT® is a registered Danfoss trademark
MCD 500
(Auto On mode)
17
Stop
18
COM
25
Reset
MODBUS
MODULE
RS485 serial port
+ GND -
B8 B7 B6
Comms in Remote
is set to Disable Comms in Remote, the
MCD Modbus Module Instructions
MCD 500
RS485
Modbus network
connection
2