52 Electrical installation
Default I/O connection diagram
The default connection of the control signals depends on the application macro in
use, which is selected with parameter 9902 APPLIC MACRO.
The default macro is the ABB standard macro. It provides a general purpose I/O
configuration with three constant speeds. Parameter values are the default values
given in section Default values with different macros on page 165. For information on
other macros, see chapter Application macros on page 101.
The default I/O connections for the ABB standard macro are given in the figure below.
X1A
1 SCR Signal cable shield (screen)
2AI1 Output frequency reference: 0…10 V
3 GND Analog input circuit common
4 +10V Reference voltage: +10 V DC, max. 10 mA
5 AI2 Not in use by default. 0…10 V
6 GND Analog input circuit common
7AO Output frequency value: 0…20 mA
8 GND Analog output circuit common
9 +24V Auxiliary voltage output: +24 V DC, max. 200 mA
10 GND Auxiliary voltage output common
11 DCOM Digital input common
12 DI1 Stop (0) / Start (1)
13 DI2 Forward (0) / Reverse (1)
14 DI3 Constant speed selection
1)
15 DI4 Constant speed selection
1)
16 DI5 Acceleration and deceleration selection
2)
X1B
17 ROCOM Relay output 1
No fault [Fault (-1)]
18 RONC
19 RONO
20 DOSRC Digital output, max. 100 mA
No fault [Fault (-1)]
21 DOOUT
22 DOGND
max. 500 ohm
1…10 kohm
3)
1)
See parameter group 12 CONSTANT
SPEEDS:
2)
0 = ramp times according to parameters
2202 and 2203.
1 = ramp times according to parameters
2205 and 2206.
3)
360 degree grounding under a clamp.
Tightening torque: 0.4 N·m (3.5 lbf·in).
DI3 DI4 Operation (parameter)
0 0 Set speed through AI1
1 0 Speed 1 (1202
CONST SPEED 1)
0 1 Speed 2 (1203
CONST SPEED 2)
1 1 Speed 3 (1204
CONST SPEED 3)
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