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ACS550 User’s Manual
47
Start-Up
Application macro: Hand-Auto
This macro provides an I/O configuration that is typically used in HVAC applications.
To enable, set the value of parameter 9902 to 5 (
HAND
/
AUTO
).
Note!
Parameter 2108
START
INHIBIT
must remain in the default setting, 0 (
OFF
).
Connection example:
Input signals
Output signals
Jumper Setting
• Two analog references (AI1, 2)
• Start/stop – hand/auto (DI1, 6)
• Direction – hand/auto (DI2, 5)
• Control location selection (DI3)
• Run enable (DI4)
• Analog output AO1: Speed
• Analog output AO2: Current
• Relay output 1: Ready
• Relay output 2: Running
• Relay output 3: Fault (-1)
1
SCR
2
AI1
3
AGND
4
10V
5
AI2
6
AGND
7
AO1
8
AO2
9
AGND
10 24V
11 GND
12 DCOM
13 DI1
14 DI2
15 DI3
16 DI4
17 DI5
18 DI6
19 RO1C
20 RO1A
21 RO1B
22 RO2C
23 RO2A
24 RO2B
25 RO3C
26 RO3A
27 RO3B
Start/Stop (Hand):
Activation starts the drive
Forward/Reverse (Hand):
Activation reverses rotation direction
EXT1/EXT2 Selection:
Activation selects auto control
Forward/Reverse (Auto):
Activation reverses rotation direction
Start/Stop (Auto):
Activation starts the drive
X1
Run enable:
Deactivation always stops the drive
External reference 1:
0
…
10 V
(Hand Control)
Reference voltage 10 VDC
Motor output speed:
0
…
20 mA
Output current:
0
…
20 mA
Analog input circuit common
Analog output circuit common
Auxiliary voltage 24 VDC
Auxiliary voltage output common
Digital input common for all
Signal cable shield (screen)
Analog input circuit common
External reference 2:
0
…
20 mA
(Auto Control)
Relay output 1, programmable
Default operation:
Relay output 2, programmable
Default operation:
Relay output 3, programmable
Default operation:
Ready
=>19 connected to 21
Running
=>22 connected to 24
Fault (-1)
=>25 connected to 27
(Fault => 25 connected to 26)
J1
AI1: 0
…
10 V
AI2: 0(4)
…
20 mA
ON
ON