ACS 160 User’s Manual
39
Application Macro Motor Potentiometer
This macro provides a cost-effective interface for PLCs that vary the speed of the drive using only
digital signals.
The value of parameter 9902 is 4 (
MOTOR
POT
).
Connection example:
*Note!
•
If both DI 3 and DI 4 are active or inactive, reference is kept stable.
•
Reference is stored during stop or power down condition.
•
Analogue reference is not followed when motor potentiometer is selected.
Motor potentiometer default parameter values:
Input signals
Output signals
• Start, stop and direction
(DI1,2)
• An. output AO: Frequency
• Reference up (DI3)
• Relay output 1: Fault
• Reference down (DI4)
• Relay output 2: Running
• Preset speed selection (DI5)
1001
EXT
1
COMMANDS
2 (
DI
1,2)
1201
CONST
SPEED
SEL
5 (
DI
5)
1002
EXT
2
COMMANDS
0 (
NOT
SEL
)
1402
RELAY
OUTPUT
2
2 (
RUN
)
1003
DIRECTION
3 (
REQUEST
)
1601
RUN
ENABLE
0 (
NOT
SEL
)
1102
EXT
1/
EXT
2
SEL
6 (
EXT
1)
1604
FAULT
RESET
SEL
0 (
KEYPAD
)
1103
EXT
REF
1
SELECT
6 (
DI
3
U
,4
D
)
2105
PREMAGN
SEL
0 (
NOT
SEL
)
1106
EXT
REF
2
SELECT
0 (
KEYPAD
)
2201
ACC
/
DEC
1/2
SEL
0 (
NOT
SEL
)
Not used
Reference voltage 10 VDC
Not used
Output frequency 0...20 mA <=> 0...50 Hz
+24 VDC
Start/Stop
: Activate to start.
Forward/Reverse
: Activate to reverse rotation direction
Reference up:
Activate to increase reference*
Reference down:
Activate to decrease reference*
Constant speed 1
Relay output 1, programmable
Default operation:
Fault
=> open
Relay output 2, programmable
Default operation:
Running
=> closed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
SCR
AI1
AGND
+10V
AI2
AGND
AO1
AGND
+24V
DCOM
DI1
DI2
DI3
DI4
DI5
RO1B
RO2A
RO2B
RO1A
mA
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