ACH550-01 User's Manual
Application macros and wiring 101
1
SCR
Signal cable shield (screen)
2
AI1
External reference 1
: 0(2)…10 V or 0(4)…20 mA
3
AGND Analogue input circuit common
4
10V
Reference v10 V DC
5
AI2
Actual signal 1
: 0(2)…10 V or 0(4)…20 mA
3
6
AGND Analogue input circuit common
7
AO1
Output frequency
: 0(4)…20 mA
8
AO2
Output current
: 0(4)…20 mA
9
AGND Analogue output circuit common
10
24V
Auxiliary voltage 24 V DC
11
GND
Common for DI return signals
12 DCOM Digital input common for all
13
DI1
Start/Stop
: Activation starts the drive
14
DI2
Run enable
: Deactivation stops the drive
2
15
DI3
Constant speed 1
(par. 1202)
1
16
DI4
Start enable 1
: Deactivation stops the drive
2
17
DI5
Start enable 2
: Deactivation stops the drive
2
18
DI6
Not used
19 RO1C
Relay output 1 (par. 1401)
Default operation
Started
=> 19 connected to 21
20 RO1A
21 RO1B
22 RO2C
Relay output 2 (par. 1402)
Default operation
Running
=> 22 connected to 24
23 RO2A
24 RO2B
25 RO3C
Relay output 3 (par. 1403)
Default operation
Fault
(-1)
=> 25 connected to 27
26 RO3A
27 RO3B
1
Not available if PID is activated
2
Disable/enable with parameters 1601, 1608 and 1609
3
The sensor for AI2 is powered externally (not shown in the figure). See the manufacturer’s
instructions. To use sensors supplied by the drive auxiliary voltage output, see page
124
.
Note
: The drive starts only if possible protection functions (Run enable or Start enable 1 and
2) are activated from I/O or disabled with parameters.
1…10 kohm
Return fan
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