ABB ACH580 Series Installation, Operation And Maintenance Manual page 31

ACH580 Ultra-Low Harmonic Drives Installation, Operation and Maintenance Manual
Default control connections for the HVAC default
Input Signals
•
•
•
•
1...10 kohm
max.
500 ohm
Notes:
1) Ground the outer shield of the cable 360 degrees under the grounding clamp on the grounding shelf for the control cables.
2) Connected with jumpers at the factory
3) Terminals 40 and 41 for external 24 V AC/DC input.
Terminal sizes:
R3: 24...14 AWG (0.2...2.5mm
26...16 AWG (0.14...2.5mm
R6...R8: 26...14 AWG (0.14...2.5mm
Tightening torques: 0.4 lb-ft (0.5...0.6 Nm)
Analog frequency/speed reference (AI1)
Start/stop selection (DI1)
Constant speed/frequency selection (DI3)
Start interlock 1 (DI4)
X1 Reference voltage and analog inputs and outputs
1 SCR
2 AI1
3 AGND
4 +10V
5 AI2
6 AGND
7 AO1
8 AO2
9 AGND
1)
X2 & X3 Aux. voltage output and programmable digital inputs
10 +24V
11 DGND
2)
12 DCOM
13 DI1
14 DI2
15 DI3
16 DI4
17 DI5
18 DI6
X6, X7, X8 Relay outputs
19 RO1C
20 RO1A
21 RO1B
22 RO2C
23 RO2A
24 RO2B
25 RO3C
26 RO3A
27 RO3B
X5 Embedded fieldbus
29 B+
30 A-
31 DGND
S4 TERM
S5 BIAS
X4 Safe torque off
2) 34 OUT1
35 OUT2
36 SGND
37 IN1
38 IN2
X10 24 V AC/DC
40 24 V AC/DC+ in Ext. 24V AC/DC input to power up the control unit
3)
41 24 V AC/DC- in
2
): Terminals +24V, DGND, DCOM, B+, A-, DGND, Ext. 24V
2
): Terminals DI, AI, AO, AGND, RO, STO
2
) (all terminals)
HVAC default direct I/O control
Output signals
• Analog output AO1: Output frequency
• Analog output AO2: Motor current
• Relay output 1: Damper control
• Relay output 2: Running
• Relay output 3: Fault (-1)
ACH580 Ultra-Low Harmonic Drives Installation
Signal cable shield (screen)
Output frequency/speed reference: 0...10 V
Analog input circuit common
Reference voltage 10 V DC
1)
Actual feedback: 0...10 V
Analog input circuit common
Output frequency: 0...10 V
Output current: 0...20 mA
Analog output circuit common
Aux. voltage output +24 V DC, max. 250 mA
Aux. voltage output common
Digital input common for all
Stop (0) / Start (1)
Not configured
Constant frequency/speed selection
Start interlock 1 (1 = allow start)
Not configured
Not configured
Damper control
250 V AC / 30 V DC
2 A
Running
250 V AC / 30 V DC
2 A
Fault (-1)
250 V AC / 30 V DC
2 A
Embedded fieldbus, EFB (EIA-485)
Termination switch
Bias resistors switch
Safe torque off. Factory connection. Both circuits
must be closed for the drive to start. See chapter
The Safe torque off function on page 295.
when the main supply is disconnected.
31
1)
2)
3)