ABB ACS550-02 User Manual page 58

56
Application Macro: Motor Potentiometer
This macro provides a cost-effective interface for PLCs that vary the speed of the
drive using only digital signals. To enable, set the value of parameter 9902 to 4
(
MOTOR POT
Connection example:
• Start, stop and direction (DI1,2)
• Reference up/down (DI3,4)
• Constant speed selection (DI5)
• Run enable (DI6)
Start-Up
).
X1
1 SCR
Signal cable shield (screen)
2 AI1 Not used
3 AGND Analog input circuit common
4 10V
Reference voltage 10 VDC
5 AI2
Not used
6 AGND
Analog input circuit common
7 AO1
Motor output speed: 0
8 AO2
Output current: 0
9 AGND
Analog output circuit common
10 24V
Auxiliary voltage output +24 VDC
11 GND
Common for DI return signals.
12 DCOM1
Digital input common for all
13 DI1
Start/stop: Activation starts the drive.
14 DI2
Forward/reverse: Activation reverses rotation direction.
15 DI3
Reference up: Activation increases the reference
16 DI4
Reference down: Activation decreases the reference
17 DI5
Constant speed 1: 1202
18 DI6
Run enable: Deactivation always stops the drive.
19 RO1C
Relay output 1, programmable
Default operation:
20 RO1A
Ready =>19 connected
21 RO1B
22 RO2C
Relay output 2, programmable
23 RO2A Default operation:
Running =>22 connected to 24
24 RO2B
25 RO3C
Relay output 3, programmable
26 RO3A Default operation:
Fault (-1) =>25 connected to 27
27 RO3B
(Fault => 25 connected to 26)
Input signals
...
20 mA
...
20 mA
to
21
Note 1. For DI3 and DI4:
• If both are active or inactive the
• The existing speed reference is
Output signals
• Analog output AO1: Speed
• Analog output AO2: Current
• Relay output 1: Ready
• Relay output 2: Running
• Relay output 3: Fault (-1)
1
.
1
.
speed reference is unchanged.
stored during stop or power down.
Jumper Setting
J1
...
AI1: 0 10 V
...
AI2: 0(4) 20 mA