ABB ACH580-31 - Default I;O Connection Diagram

Default I/O connection diagram
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Default I/O connection diagram
The default control connections for the HVAC default are shown below.
DescriptionTermConnection
X1 Reference voltage and analog inputs and outputs
Signal cable shield (screen)SCR1
1
2
3
4
5
6
7
8
9
1...10 kohm
Max.
500 ohm
6)
Output frequency/speed reference:
0…10 V
1)
AI12
Analog input circuit commonAGND3
Reference voltage 10 V DC+10V4
Actual feedback: 0…20 mA
1)
AI25
Analog input circuit commonAGND6
Output frequency: 0…10 VAO17
Motor current: 0…20 mAAO28
Analog output circuit commonAGND9
X2 & X3 Aux. voltage output and programmable digital inputs
Aux. voltage output +24 V DC, max.
250 mA
2)
+24V10
10
11
12
13
14
15
16
17
18
4)
5)
Aux. voltage output commonDGND11
Digital input common for allDCOM12
Stop (0) / Start (1)DI113
Not configuredDI214
Constant frequency/speed selection
3)
DI315
Start interlock 1 (1 = allow start)DI416
Not configuredDI517
Not configuredDI618
X6, X7, X8 Relay outputs
Damper controlRO1C19
19
20
21
22
23
24
25
26
27
Damper actuator
Run status
Fault status
250 V AC / 30 V DC
2 A
RO1A20
RO1B21
Running
250 V AC / 30 V DC
2 A
RO2C22
RO2A23
RO2B24
Fault (-1)
250 V AC / 30 V DC
2 A
RO3C25
RO3A26
RO3B27
X5 Embedded fieldbus
Control unit 137