ABB ACH550 Bedienungsanleitung Seite 95

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ACH550 User's Manual
Wiring and applications 91
Return fan
1
SCR
2
AI1
3
AGND
Signal cable shield (screen)
External ref. 1:0(2)...10 V or 0(4)...20 mA
Analog input circuit common
4 10 V
Reference voltage 10 VDC
5AI2Actual signal 1:0(2)...10 V or 0(4)...20 mA
6AGND
Analog input circuit common
7
AO1
Output frequency: 0(4)...20 mA
8AO2
Output current: 0(4)...20 mA
9AGND
Analog outut circuit common
10
24 V
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 enable1: Deactivation stops the drive**
17
DI5
Start enable 2: Deactivation stops the drive**
18
DI6
Not used
19
RO1C
Relay output 1 (Par 1401)
20 RO1A
Default operation
21
RO1B
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 to 27
*Not available if PID is activated
**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.
00Template.book Page 91 Friday, January 2, 2004 2:55 PM
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