ACS 160 User’s Manual
41
Application Macro PID Control
This macro is intended for use with different closed-loop control systems such as pressure control,
flow control, etc.
The value of parameter 9902 is 6 (
PID
CTRL
).
Connection example:
Note!
* Constant speed is not considered while in PID control (PID).
Note!
Parameter 2107
START
INHIBIT
should be 0 (
OFF
).
PID control parameters (group 40) do not belong to the Basic parameter set.
PID Control default parameter values:
Input signals
Output signals
DIP switch
• Start/stop (DI1,5)
• An. output AO: Frequency
• Analogue reference (AI1)
• Relay output 1: Fault
• Actual value (AI2)
• Relay output 2: Running
• Control location selection (DI2)
• Constant speed (DI3)
• Run enable (DI4)
1001
EXT
1
COMMANDS
1 (
DI
1)
1201
CONST
SPEED
SEL
3 (
DI
3)
1002
EXT
2
COMMANDS
6 (
DI
5)
1402
RELAY
OUTPUT
2
2 (
RUN
)
1003
DIRECTION
1 (
FORWARD
)
1601
RUN
ENABLE
4 (DI4)
1102
EXT
1/
EXT
2
SEL
2 (
DI
2)
1604
FAULT
RESET
SEL
0 (
KEYPAD
)
1103
EXT
REF
1
SELECT
1 (
AI
1)
2105
PREMAGN
SEL
0 (
NOT
SEL
)
1106
EXT
REF
2
SELECT
1 (
AI
1)
2201
ACC
/
DEC
1/2
SEL
0 (
NOT
SEL
)
AI1:
AI2:
0 - 10 V
0(4) - 20 mA
NO
NO
mA
PT
EXT1 (
Manual
) or EXT2 (
PID
) reference: 0...10 V
Reference voltage 10 VDC
Actual signal; 0...20 mA (
PID
)
Output frequency 0...20 mA <=> 0...50 Hz
+24 VDC
Start/Stop
: Activate to start ACS 160 (
Manual
).
EXT1/EXT2 Selection
: Activate to select PID control
Constant speed 1
: not used if PID control*
Run enable:
deactivation always stops ACS 160
Start/Stop:
Activate to start ACS 160 (
PID
)
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
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