Motor control and I/O board (RMIO)
104
RMIO board specifications
Analogue inputs
With Standard Control Program two programmable differential current inputs (0 mA /
4 mA ... 20 mA,
R
in
= 100 ohm) and one programmable differential voltage input (-
10 V / 0 V / 2 V ... +10 V,
R
in
> 200 kohm).
The analogue inputs are galvanically isolated as a group.
Isolation test voltage
500 V AC, 1 min
Max. common mode voltage
between the channels
±15 V DC
Common mode rejection ratio
> 60 dB at 50 Hz
Resolution
0.025 % (12 bit) for the -10 V ... +10 V input. 0.5 % (11 bit) for the 0 ... +10 V and 0 ...
20 mA inputs.
Inaccuracy
±
0.5 % (Full Scale Range) at 25
°
C (77
°
F). Temperature coefficient: ± 100 ppm/
°
C
(± 56 ppm/°F), max.
Constant voltage output
Voltage
+10 V DC, 0, -10 V DC ± 0.5 % (Full Scale Range) at 25 °C (77
°
F). Temperature
coefficient: ± 100 ppm/°C (± 56 ppm/°F) max.
Maximum load
10 mA
Applicable potentiometer
1 kohm to 10 kohm
Auxiliary power output
Voltage
24 V DC ± 10 %, short circuit proof
Maximum current
250 mA (shared between this output and optional modules installed on the RMIO)
Analogue outputs
Two programmable current outputs: 0 (4) to 20 mA,
R
L
< 700 ohm
Resolution
0.1 % (10 bit)
Inaccuracy
±
1 % (Full Scale Range) at 25
°
C (77
°
F). Temperature coefficient: ± 200 ppm/
°
C
(± 111 ppm/
°
F) max.
Digital inputs
With Standard Control Program six programmable digital inputs (common ground: 24
V DC, -15 % to +20 %) and a start interlock input. Group isolated, can be divided in
two isolated groups (see
Isolation and grounding diagram
below).
Thermistor input: 5 mA, < 1.5 kohm
“1” (normal temperature), > 4 kohm
“0”
(high temperature), open circuit
“0” (high temperature).
Internal supply for digital inputs (+24 V DC): short circuit proof. An external 24 V DC
supply can be used instead of the internal supply.
Isolation test voltage
500 V AC, 1 min
Logical thresholds
< 8 V DC
“0”, > 12 V DC
“1”
Input current
DI1 to DI 5: 10 mA, DI6: 5 mA
Filtering time constant
1 ms
Summary of Contents for ACS800-17
Page 1: ...ACS800 Hardware Manual ACS800 17 Drives 55 to 2500 kW 75 to 2800 hp ...
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Page 20: ...Table of contents 20 ...
Page 26: ...About this manual 26 ...
Page 46: ...The ACS800 17 46 ...
Page 62: ...Mechanical installation 62 ...
Page 80: ...Planning the electrical installation 80 ...
Page 100: ...Electrical installation 100 ...
Page 129: ...Maintenance 129 3 4 5 6 8 7b 7a ...
Page 130: ...Maintenance 130 9 10 11 View from back ...
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Page 152: ...Technical data 152 Declaration of Conformity ...
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