Rmio Board Specifications; Analogue Inputs; Constant Voltage Output; Auxiliary Power Output - ABB ACS800-04 Hardware Manual

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
Two programmable differential current inputs (0 mA / 4 mA ... 20 mA,
R
= 100 ohm) and one programmable differential voltage input (-
in
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 optional modules installed
on the RMIO)
Two programmable current outputs: 0 (4) to 20 mA,
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 into
two isolated groups (see
Thermistor input: 5 mA, < 1.5 kohm
4 kohm "0" (high temperature), open circuit
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.
500 V AC, 1 min
< 8 V DC "0", > 12 V DC
DI1 to DI 5: 10 mA, DI6: 5 mA
1 ms
Motor control and I/O board (RMIO) 79
Isolation and grounding diagram
"1" (normal temperature), >
"1"
R
< 700 ohm
L
below).
"0" (high