Technical data 139
Insulation 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
Relay outputs
RDCU (A43, PVS800 master control program): two programmable
relay outputs, or with option +Q951 one programmable relay output
RDCU (A41, PVS800 inverter control program): without option +Q954
one programmable relay output
Switching capacity 8 A at 24 V DC or 250 V AC, 0.4 A at 120 V DC
Minimum continuous current 5 mA rms at 24 V DC
Maximum continuous current 2 A rms
Insulation test voltage 4 kV AC, 1 minute
DDCS fiber optic link
With optional communication adapter module RDCO. Protocol: DDCS
(ABB Distributed drives communication system)
24 V DC power input
Voltage 24 V DC ± 10%
Typical current consumption
(without optional modules)
250 mA
Maximum current consumption 1200 mA (with optional modules inserted)
The terminals on the RMIO board as well as on the optional modules attachable to the board fulfil the
Protective Extra Low Voltage (PELV) requirements stated in EN 50178 provided that the external circuits
connected to the terminals also fulfil the requirements and the installation site is below 2000 m (6560 ft).
Above 2000 m (6560 ft), see page 78.
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