78 ACS 400 User’s Manual
Group 11: Reference Select
Reference commands can be given from the control panel or from two external locations. The
selection between the two external locations is made with parameter 1102
EXT1/EXT2 SEL. For more
information on control locations, refer to “Appendix A” on page 151.
Code Description
1101 KEYPAD REF SEL
Selection of active control panel reference in local control mode.
1 =
REF1 (Hz)
Control panel reference is given in Hz.
2 =
REF2 (%)
Control panel reference is given as a percentage (%).
1102 EXT1/EXT2 SEL
Sets the input used for selecting the external control location, or fixes it to
EXT1 or EXT2. The external
control location of both Start/Stop/Direction commands and reference is determined by this parameter.
1...5 = DI1...DI5
External control location 1 or 2 is selected according to the state of the selected digital input (DI1 ... DI5),
where deactivated =
EXT1 and activated = EXT2.
6 =
EXT1
External control location 1 (
EXT1) is selected. The control signal sources for EXT1 are defined with
parameter 1001 (Start/Stop/Direction commands) and parameter 1103 (reference).
7 =
EXT2
External control location 2 (
EXT2) is selected. The control signal sources for EXT2 are defined with
parameter 1002 (Start/Stop/Direction commands) and parameter 1106 (reference).
8 =
COMM
External control location 1 or 2 is chosen through serial communication.
http://nicontrols.com
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