72 Modbus/TCP – Start-up
Starting up fieldbus communication for ACS850
and ACQ810 drives
1. Power up the drive.
2. Enable the communication between the adapter module and
the drive with parameter 50.01 FBA enable.
3. With parameter 50.02 Comm loss func, select how the drive
reacts to a fieldbus communication break.
Notes:
• This function monitors both communication between the
fieldbus master and the adapter module and
communication between the adapter module and the drive.
• In ACQ810, you can select the control locations to be
monitored with parameter 50.21 Comm loss enable. By
default, the monitoring is enabled in both control locations
(EXT1 and EXT2).
4. With parameter 50.03 Comm loss t out, define the time
between communication break detection and the selected
action.
5. Select application-specific values for parameters
50.04…50.11.
Examples of appropriate values are shown in the tables below.
6. Set the module configuration parameters in group 51.
• Select the communication protocol and profile with
parameter 51.02 and configure the network settings with
parameters 51.03…51.13.
• With parameters 51.20 and 51.21, select how the adapter
module detects fieldbus communication breaks.
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