Rmio Board Specifications; Analogue Inputs; Constant Voltage Output; Auxiliary Power Output - ABB ACS800 Hardware Manual

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RMIO board specifications

Analogue inputs

Isolation test voltage
Max. common mode voltage
between the channels
Common mode rejection ratio
Resolution
Inaccuracy

Constant voltage output

Voltage
Maximum load
Applicable potentiometer

Auxiliary power output

Voltage
Maximum current

Analogue outputs

Resolution
Inaccuracy

Digital inputs

Isolation test voltage
Logical thresholds
Input current
Filtering time constant
Motor control and I/O board (RMIO)
With Standard Application Program two programmable differential current inputs
(0 mA / 4 mA ... 20 mA, R
input (-10 V / 0 V / 2 V ... +10 V, R
The analogue inputs are galvanically isolated as a group.
500 VAC, 1 min
±15 VDC
> 60 dB at 50 Hz
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.
± 0.5 % (Full Scale Range) at 25
(± 56 ppm/°F), max.
+10 VDC, 0, -10 VDC ± 0.5 % (Full Scale Range) at 25 °C (77
coefficient: ± 100 ppm/°C (± 56 ppm/°F) max.
10 mA
1 kohm to 10 kohm
24 VDC ± 10 %, short circuit proof
250 mA (shared between this output and optional modules installed on the RMIO)
Two programmable current outputs: 0 (4) to 20 mA, R
0.1 % (10 bit)
± 1 % (Full Scale Range) at 25
°
(± 111 ppm/ F) max.
With Standard Application Program six programmable digital inputs (common ground:
24 VDC, -15 % to +20 %) and a start interlock input. Group isolated, can be divided in
two isolated groups (see
Thermistor input: 5 mA, < 1.5 kohm
(high temperature), open circuit
Internal supply for digital inputs (+24 VDC): short-circuit proof. An external 24 VDC
supply can be used instead of the internal supply.
500 VAC, 1 min
< 8 VDC "0", > 12 VDC
DI1 to DI 5: 10 mA, DI6: 5 mA
1 ms
= 100 ohm) and one programmable differential voltage
in
> 200 kohm).
in
° °
C (77 F). Temperature coefficient: ± 100 ppm/
° °
C (77 F). Temperature coefficient: ± 200 ppm/
Isolation and grounding diagram
"1" (normal temperature), > 4 kohm
"0" (high temperature).
"1"
°
F). Temperature
< 700 ohm
L
below).
"0"
°
C
°
C