ABB ACQ580-07, Hardware Manual

Page: 145 / 324

Default I/O connection diagram
The default control connections for the Water default are shown below.
500 ohm
Max.
1…10 kohm
X1
1 SCR
Reference voltage and analog inputs and outputs
2 AI1
Signal cable shield (screen)
3 AGND
Output frequency/speed reference : 0…10 V
1)
4 +10V
Analog input circuit common
5 AI2
Reference voltage 10 V DC
6
Actual feedback: 0…10 V
AGND
7 AO1
8 AO2
Analog input circuit common
Output frequency: 0…10 V
9 AGND
Output current: 0…20 mA
Analog output circuit common
10 +24V
X2 & X3 Aux. voltage output and programmable digital inputs
11 DGND
Aux. voltage 24 V DC, max. 250 mA
2)
12
DCOM
Aux. voltage output common
13 DI1
Digital input common for all
14 DI2
Stop (0) / Start (1)
15 DI3
Not configured
16 DI4
Constant frequency/speed selection
3)
17
Not configured
DI5
18
Not configured
DI6
X6, X7, X8
Not configured
19 RO1C
Relay outputs
20 RO1A
21
RO1B
Ready run
250 V AC / 30 V DC
2 A
22 RO2C
23 RO2A
24 RO2B
Running
250 V AC / 30 V DC
2 A
25 RO3C
26
RO3A
27 RO3B
X5
Fault (-1)
250 V AC / 30 V DC
2 A
29 B+
Embedded fieldbus
30 A-
31 DGND
S4 TERM
Embedded fieldbus, EFB (EIA-485)
S5 BIAS
Termination switch
X4
Bias resistors switch
34
Safe torque off
OUT1
35 OUT2
36 SGND
37 IN1
38 IN2
X10
40
24 V AC/DC
41
Safe torque off. Factory connection. Both
circuits must be closed for the drive to start. See
chapter Safe torque off function
24 V AC/DC+ in
24 V AC/DC- in
Ext. 24V AC/DC input to power up the control unit
when the main supply is disconnected. 7)
4)
6)
4) 4)
5)
1)
Total load capacity of the Auxiliary voltage 24V (X2:10) is 6.0 W (250 mA /
24 V DC).
Control unit 141