3-Wire Macro - ABB ACS550 User Manual

ACS550 User's Manual

3-wire macro

This macro is used when the drive is controlled using momentary push-buttons. It
provides three (3) constant speeds. To enable, set the value of parameter 9902 to
2 (3-
WIRE
Note: When the stop input (
buttons are disabled.
Connection example:
1...10 kohm
• Analog reference (AI1)
• Start, stop and direction (DI1,2,3)
• Constant speed selection (DI4,5)
).
2) is deactivated (no input), the control panel start/stop
DI
X1
1 SCR
Signal cable shield (screen)
2 AI1 External speed reference 1: 0
3 AGND Analog input circuit common
4 10V
Reference voltage 10 V DC
5 AI2
Not used
6 AGND
Analog input circuit common
7 AO1 Motor output speed: 0
8 AO2
Output current: 0
9 AGND
Analog output circuit common
Auxiliary voltage output +24 V DC
10 24V
Auxiliary voltage output common
11 GND
Digital input common for all
12 DCOM
13 DI1 Start: Momentary activation with DI2 activated starts the drive
Stop: Momentary deactivation stops the drive
14 DI2
Fwd/Rev: Activation reverses rotation direction
15 DI3
Constant speed selection
16 DI4
Constant speed selection
17 DI5
18 DI6
Not used
19 RO1C
Relay output 1, programmable
20 RO1A Default operation:
Ready =>19 connected to 21
21 RO1B
22 RO2C
Relay output 2, programmable
23 RO2A Default operation:
Running =>22 connected to 24
24 RO2B
25 RO3C
Relay output 3, programmable
26 RO3A Default operation:
Fault (-1) =>25 connected to 27
27 RO3B
(Fault => 25 connected to 26)
Input signals
...
10 V
...
20 mA
...
20 mA
1
1
Output signals
• Analog output AO1: Speed
• Analog output AO2: Current
• Relay output 1: Ready
• Relay output 2: Running
• Relay output 3: Fault (-1)
Note 1. Code:
0 = open, 1 = connected
DI4 DI5 Output
0 0 Reference through AI1
1 0 1 (1202)
CONST SPEED
0 1 2 (1203)
CONST SPEED
1 1 3 (1204)
CONST SPEED
Jumper setting
J1
...
AI1: 0
AI2: 0(4)
or
J1
...
AI1: 0
AI2: 0(4)
Application macros
73
10 V
...
20 mA
10 V
...
20 mA