8 Modbus RTU
8.3 Operating mode Modbus RTU
DC1 variable frequency drive 12/13 MN04020003Z-EN www.eaton.com 143
Command (ID 1)
These bits are used to control the DC1 variable frequency drive. You can
modify the content as required for your own specific application and then
send it as a command to the variable frequency drive.
Field bus speed reference value (ID 2)
The permissible values fall within a range of P-02 (min. frequency) to P-01
(max. frequency).
This value is scaled with a factor of 0.1 in the application.
Bit Description
Value = 0 Value = 1
0 Stop Operation
1 Clockwise rotating field (FWD) Anticlockwise rotating field (REV)
2 No action Reset error
3 No action Free coasting
4 Not used
5 No action Quick stop (ramp)
6
No action Fixed frequency (FF1)
7 No action Overwrite setpoint value with 0
8 Not used
9 Not used
10 Not used
11 Not used
12 Not used
13 Not used
14 Not used
15 Not used
1514131211109876543210
MSB LSB
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