Step 1
For Modbus Serial , FR1 à Integrated Modbus
And for Modbus TCP , FR1 à Com Card

Step 2
To separate the Start/Stop command to the speed reference , please change control mode configuration CHCF to Separate/IO profile,
CHCF à Separate (sequential method)
CHCF à I/O Profile (allows to write to the command register of the drives in bits)

Step 3
Please check CD1 is set to terminals,
CD1 à Terminals (by default)

ATV320 Programming Manual and ATV320 Modbus Manual is attached for reference.

Released for:Schneider Electric Australia