ABB DriveIT ACH550-01 User Manual page 97

ACH550 User's Manual
*Disable/enable with parameters 1601,1608 and 1609
Note! Drive starts only if possible protection functions (Run enable or Start enable 1 and 2)
are activated from I/O or disabled with parameters.
Wiring and applications
Cooling tower fan
1 SCR
Signal cable shield (screen)
2
AI1
External ref. 1: 0(2)...10 V or 0(4)...20 mA
3
Analog input circuit common
AGND
4 10 V
Reference voltage 10 VDC
5 AI2
Actual signal 1: 0(2)...10 V or 0(4)...20 mA
6 AGND Analog input circuit common
7 Output frequency: 0(4)...20 mA
AO1
8 AO2
Output current: 0(4)...20 mA
AGND Analog output circuit common
9
24 V
10
Auxiliary voltage output +24 VDC
11 GND
Common for DI return signals
12 DCOM Digital input common for all
13
DI1 Start/Stop: Activation starts the drive
14
DI2
Run enable: Deactivation stops the drive*
15 Constant Speed 1 (Par 1202)
DI3
16
Start enable 1: Deactivations stops the drive*
DI4
17 DI5 Start enable 2: Deactivation stops the drive*
18
DI6
Not used
19 RO1C
Relay output 1 (Par 1401)
20 RO1A
Default operation
RO1B
21
Started=>19 connected to 21
22
RO2C
Relay output 2 (Par 1402)
23
RO2A
Default operation
24 RO2B
Running=>22 connected to 24
25
RO3C
Relay output 3 (Par 1403)
26 RO3A
Default operation
27 RO3B Fault(-1)=>25 Connected to27
93