ABB ACH550-01 User Manual page 119

ACH550 User's Manual
1
Not available if PID is activated
2
Disable/enable with parameters 1601 and 1608
Note: The drive starts only if possible protection functions (Run enable or Start enable 1 and
2) are activated from I/O or disabled with parameters.
Application macros and wiring
Floating point
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 Output frequency: 0(4)...20 mA
8 AO2 Output current: 0(4)...20 mA
9 AGND Analog output circuit common
10 24V 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 DI3 Constant speed 1 (par. 1202)
16 DI4 Start enable 1: Deactivation stops the drive
17 DI5 Reference up: Activation increases the reference
18 DI6 Reference down: Activation decreases the reference
19 RO1C Relay output 1 (par. 1401)
Default operation
20 RO1A
Ready => 19 connected to 21
21 RO1B
22 RO2C Relay output 2 (par. 1402)
23 RO2A Default operation
Running => 22 connected to 24
24 RO2B
25 RO3C Relay output 3 (par. 1403)
Default operation
26 RO3A
Fault (-1) => 25 connected to 27
27 RO3B
2
1
2
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