ABB ACS800-02, Hardware Manual

Page: 71 / 128

Motor control and I/O board (RMIO)
71
External control connections (US)
External control cable connections to the RMIO board for the ACS800 Standard
Application Program (Factory Macro US version) are shown below. For external
control connections of other application macros and programs, see the appropriate
Firmware Manual .
X2* RMIO
X20 X20
1 1 VREF- Reference voltage -10 VDC, 1 kohm < R
L
<
10 kohm
2 2 AGND
X21 X21
1 1 VREF+ Reference voltage 10 VDC, 1 kohm < R
L
<
10 kohm
2 2 AGND
3 3 AI1+ Speed reference 0(2) ... 10 V, R
in
>
200 kohm
4 4 AI1-
5 5 AI2+ By default, not in use. 0(4) ... 20 mA , R
in
=
100 ohm
6 6 AI2-
7 7 AI3+ By default, not in use. 0(4) ... 20 mA , R
in
=
100 ohm
8 8 AI3-
9 9 AO1+ Motor speed 0(4)...20 mA 0...motor nom.
speed,
R
L
< 700 ohm
10 10 AO1-
11 11 AO2+ Output current 0(4)...20 mA 0...motor
nom. current,
R
L
< 700 ohm
12 12 AO2-
X22 X22
1 1 DI1 Start (
)
2 2 DI2 Stop (
)
3 3 DI3 Forward/Reverse
1)
4 4 DI4 Acceleration & deceleration select
2)
5 5 DI5 Constant speed select
3)
6 6 DI6 Constant speed select
3)
7 7 +24VD +24 VDC max. 100 mA
8 8 +24VD
9 9 DGND1 Digital ground
10 10 DGND2 Digital ground
11 11 DIIL Start interlock (0 = stop)
4)
X23 X23
1 1 +24V Auxiliary voltage output, non-isolated,
24 VDC 250 mA
2 2 GND
X25 X25
1 1 RO1 Relay output 1: ready
2 2 RO1
3 3 RO1
X26 X26
1 1 RO2 Relay output 2: running
2 2 RO2
3 3 RO2
X27 X27
1 1 RO3 Relay output 3: fault (-1)
2 2 RO3
3 3 RO3
=
=
Fault
A
rpm
RMIO
Terminal block size:
cables 0.3 to 3.3 mm
2
(22 to 12 AWG)
Tightening torque:
0.2 to 0.4 Nm (0.2 to 0.3 lbf ft)
* optional terminal block in ACS800-U2
and ACS800-U7
1)
Only effective if par. 10.03 is set to
REQUEST by the user.
2)
0 = open, 1 = closed
3)
See par. group 12 CONSTANT
SPEEDS.
4)
See parameter 21.09 START INTRL
FUNC.
DI4 Ramp times according to
0
parameters 22.02 and 22.03
1 parameters 22.04 and 22.05
DI5 DI6 Operation
0
0 Set speed through AI1
1 0 Constant speed 1
0 1 Constant speed 2
1 1 Constant speed 3