ABB ACS 800 Series, Руководство по оборудованию

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Motor Control and I/O Board (RMIO)
RMIO board specifications
Analog inputs
With Standard Application 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 analog inputs are galvanically isolated as a group.
Isolation test voltage 500 VAC, 1 min
Max. common mode voltage
between the channels ±15 VDC
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 VDC, 0, -10 VDC ± 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 VDC ± 10%, short circuit proof
Maximum current 250 mA (shared between this output and optional modules installed on the RMIO)
Analog 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.