ACS 400 User’s Manual 151
Appendix A
Local Control vs. Remote Control
The ACS 400 can be controlled from two remote control locations or from the control panel. Figure
59 below shows the ACS 400 control locations.
The selection between local control (LOC) and remote control (REM) is accomplished by pushing
the MENU and ENTER buttons simultaneously when the ACS100-PAN is used, and by pushing the
LOC/REM button when the ACS-PAN is used.
Figure 59 Control locations.
Local Control
The control commands are given explicitly from the control panel when the ACS 400 is in local
control.
Parameter 1101
KEYPAD REF SEL is used to select keypad reference, which can be either REF1 (Hz)
or
REF2 (%). If REF1 (Hz) is selected, the type of reference is frequency and it is given to the
ACS 400 in Hz. If
REF2 (%) is selected, the reference is given in per cent.
If PID Control macro or PCF macro is used, reference
REF2 is fed directly to the PID controller as
percentage. Otherwise, reference
REF2 (%) is converted to frequency so that 100 % corresponds to
MAXIMUM FREQ (parameter 2008).
EXT2
EXT1
ENTER
MENU
LOC REM
mAVs
SETOUTPUTPAR MENU FWDREV
o
Crpm
%
REM
LOC
kHz
LOCREM
Start/Stop/Direction,
Keypad Reference 1 (
REF1, Hz)
or Keypad Reference 2 (
REF2, %)
Start/Stop/Direction,
External Reference 1 (Hz)
Start/Stop/Direction,
External Reference 2 (%)
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