Remote Control - ABB ACS 400 User Manual

Remote Control

When the ACS 400 is in remote control (REM), the commands are given primarily through digital
and analog inputs, although commands can also be given through the control panel or serial
communication.
Parameter 1102 1/
EXT
2.
EXT
For 1, the source of the Start/Stop/Direction commands is defined by parameter 1001
EXT
, and the reference source is defined by parameter 1103
COMMANDS
reference 1 is always a frequency reference.
For 2, the source of the Start/Stop/Direction commands is defined by parameter 1002
EXT
, and the reference source is defined by parameter 1106
COMMANDS
reference 2 can be a frequency reference, or a process reference, depending on the application
macro selected.
In remote control, constant speed operation can be programmed by parameter 1201
. Digital inputs can be used to select between the external frequency reference and seven
SEL
configurable constant speeds (1202
152
2 selects between the two external control locations
EXT SELECT
CONST SPEED
http://nicontrols.com
EXT REF
EXT REF
1... 1208
CONST SPEED
1 and
EXT
1
EXT
1 . External
SELECT
2
EXT
2 . External
SELECT
CONST SPEED
7).
ACS 400 User's Manual