Activating Modbus Protocol - ABB ACS 400 User Manual
Speed control
of 3 to 50 hp (2.2 to 37 kw)
ac induction motors
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Also See for ACS 400:
- User manual (187 pages) ,
- Installation manual (4 pages) ,
- User manual (160 pages)
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Activating Modbus protocol
The factory setting for Channel 1 is not enabled. To enable standard Modbus protocol for Channel
1, set parameter 5005
to 2 (
).
PROTOCOL SEL
STD MODBUS
After this parameter change, the ACS400 is ready to communicate via Channel 1 using the default
communication settings (given in Table 12), making parameter read and write possible.
The following sections describe how to configure the ACS400 for more sophisticated
communication and control.
Table 12 Default communication settings of the Channel 1.
Communication
Station number
Parity bit
Stop bits
speed
1
9600 bps
none
two
98
ACS 400 User's Manual
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