ABB RCNA-01 User Manual Page 109

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ACH550-01 User's Manual
Application macros and wiring 105
1 SCR Signal cable shield (screen)
2AI1External reference 1: 0(2)…10 V or 0(4)…20 mA
3 AGND Analogue input circuit common
4 10V Reference voltage +10 V DC
5AI2Actual signal 1: 0(2)…10 V or 0(4)…20 mA
2
6 AGND Analogue input circuit common
7AO1Output frequency: 0(4)…20 mA
8AO2Output current: 0(4)…20 mA
9 AGND Analogue output circuit common
10 24V Auxiliary voltage output +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
1
15 DI3 Not used
16 DI4 Interlock: Deactivation stops the drive
17 DI5 Interlock: Deactivation stops the motor
18 DI6 Not used
19 RO1C Relay output 1 (par. 1401)
Default operation
Aux. motor switched on => 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
Disable/enable with parameter 1601
2
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 120.
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
Pump alternation
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