ABB ACS550-02 User Manual page 57

Application Macro: Alternate
This macro provides an I/O configuration adopted to a sequence of DI control
signals used when alternating the rotation direction of the drive.To enable, set the
value of parameter 9902 to 3 (
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 reference (AI1)
• Start, stop and direction (DI1,2)
• Constant speed selection (DI3,4)
• Ramp pair 1/2 selection (DI5)
• Run enable (DI6)
).
ALTERNATE
Signal cable shield (screen)
External speed reference 1: 0
Analog input circuit common
Reference voltage 10 VDC
Not used
Analog input circuit common
...
Motor output speed: 0 20 mA
...
Output current: 0 20 mA
Analog output circuit common
Auxiliary voltage output +24 VDC
Common for DI return signals.
Digital input common for all
Start fwd: If DI1 state is the same as DI2, drive stops
Start reverse
Constant speed selection
Constant speed selection
Ramp pair selection: Activation selects 2nd acc/dec ramp pair.
Run enable: Deactivation always stops the drive
Relay output 1, programmable
Default operation:
Ready =>19 connected to 21
Relay output 2, programmable
Default operation:
Running =>22 connected to 24
Relay output 3, programmable
Default operation:
Fault (-1) =>25 connected to 27
(Fault => 25 connected to 26)
Output signals
• Analog output AO1: Speed
• Analog output AO2: Current
• Relay output 1: Ready
• Relay output 2: Running
• Relay output 3: Fault (-1)
...
10 V
1
1
Note 1. Code:
0 = open, 1 = connected
DI4 DI5
0 0 Reference through AI1
1 0
CONSTANT SPEED
0 1
CONSTANT SPEED
1 1
CONSTANT SPEED
Jumper Setting
J1
55
Output
1 (1202)
2 (1203)
3 (1204)
...
AI1: 0 10 V
...
AI2: 0(4) 20 mA
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