ACS 160 User’s Manual 113
Appendix A
Control signals
The drive can receive its control signals through the digital and analogue inputs, from the control
panel or through serial communications. Using parameters in groups 10, 11, 12 and 16 it is possible
to define sources for start and stop signal, direction, frequency reference, run enable signal, EXT1/
EXT2 selection signal and for fault reset signal.
Figure 29 illustrates this principle, showing how the parameters are used to select sources for
controlling signals.
By selecting application macro using parameter 9902
APP MACRO the values of the parameters are
set to their macro dependent values. Figure 30 and Figure 31 show how drive’s internal signals are
affected when various macros are selected.
Figure 29 Selecting control location and control source.
EXT REF2 EXT REF1
SELECT
1103
SELECT
1106
EXT1/EXT2
SELECT
1102
CONST SP
SELECT
1201
KEYPAD
REF
SEL
1101
EXT1
COMMANDS
1001
EXT2
COMMANDS
1002
DIRECTION
1003
RUN ENABLE
1601
Control
Terminals
Analogue
inputs
AI1, AI2
Digital
inputs
DI1- DI5
AI1-2, DI1-5
Remote
KEYPAD
Local
AI1-2, DI1-5
KEYPAD
EXT1
EXT2
Applic
(PID)
DI1-DI5
Const.
Speeds
Remote
Local
Min freq
Max freq
Crit. speed
Acc/Dec
REF2 (%)
REF1 (Hz)
Start/Stop
Direction
Enabled,
DI1-DI5
REQUEST
FORWARD
REVERSE
Local
Remote
EXT1
EXT2
NOT SEL
DI1-DI5
KEYPAD
NOT
SEL
DI1-DI5
KEYPAD
Keypad
Ref
Loc / Rem
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