ABB ACS550-02 User Manual page 61

Application Macro: PFC
This macro provides parameter settings for pump and fan control (PFC) applications.
To enable, set the value of parameter 9902 to 7 (
Note! Parameter 2108
Connection example:
X1
1 SCR
2 AI1
3 AGND
4 10V
5 AI2
6 AGND
7 AO1
8 AO2
9 AGND
10 24V
11 GND
12 DCOM1
13 DI1
14 DI2
15 DI3
16 DI4
17 DI5
18 DI6
19 RO1C
20 RO1A
21 RO1B
22 RO2C
23 RO2A
24 RO2B
25 RO3C
26 RO3A
27 RO3B
Input signals
• Analog ref. and actual (AI1, 2)
• Start/stop – manual/PFC (DI1, 6)
• Run enable (DI2)
• EXT1/EXT2 selection (DI3)
• Interlock (DI4, 5)
must remain in the default setting, 0 (
START INHIBIT
Signal cable shield (screen)
External ref. 1 (Manual) or Ext ref. 2 (PID/PFC): 0
Analog input circuit common
Reference voltage 10 VDC
...
Actual signal (PID): 4 20 mA
Analog input circuit common
...
Output frequency: 0 20 mA
Actual 1 (PI controller actual value): 0(4)
Analog output circuit common
Auxiliary voltage output +24 VDC
Common for DI return signals.
Digital input common for all
Start/Stop (Manual): Activation starts the drive.
Run enable: Deactivation always stops the drive
EXT1/EXT2 selection: Activation selects PID control.
Interlock: Deactivation always stops the drive.
Interlock: Deactivation stops constant speed motor.
Start/Stop (PFC): Activation starts the drive.
Relay output 1, programmable
Default operation:
Running =>19 connected to 21
Relay output 2, programmable
Default operation:
Fault (-1) =>22 connected to 24 (Fault => 22 connected to 23)
Relay output 3, programmable
Default operation:
Auxiliary motor switched on=>25 connected to 27
Output signals
• Analog output AO1: Frequency
• Analog output AO2: Actual 1
• Relay output 1: Running
• Relay output 2: Fault (-1)
• Relay output 3: Aux. motor ON
).
PFC CONTROL
1
...
10 V
Note 1.
...
Manual: 0 10V => 0
...
PID/PFC: 0 10V => 0
PID setpoint
...
20 mA
Jumper Setting
J1
AI1: 0
AI2: 0(4)
59
).
OFF
...
50 Hz
...
100%
...
10 V
...
20 mA
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