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

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RMIO board specifications

Analogue inputs

Insulation 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

Insulation test voltage
Logical thresholds
Input current
Filtering time constant
Motor control and I/O board (RMIO)
Two programmable differential current inputs (0 mA / 4 mA ... 20 mA, R
and one programmable differential voltage input (-10 V / 0 V / 2 V ... +10 V,
R = 200 kohm).
in
The analogue inputs are galvanically isolated as a group.
500 V AC, 1 min
±15 V DC
> 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 °C (77 °F). Temperature coefficient: ±100 ppm/°C
(±56 ppm/°F), max.
+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.
10 mA
1 kohm to 10 kohm
24 V DC ± 10%, short circuit proof
250 mA (shared between this output and option 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 °C (77 °F). Temperature coefficient: ±200 ppm/°C
(±111 ppm/°F) max.
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
Thermistor input: 5 mA, < 1.5 kohm
(high temperature), open circuit
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.
500 V AC, 1 min
< 8 V DC "0", > 12 V DC
DI1 to DI 5: 10 mA, DI6: 5 mA
1 ms
< 700 ohm
L
below).
"1" (normal temperature), > 4 kohm
"0" (high temperature).
"1"
= 100 ohm)
in
"0"