ABB Remote I/O RIO600 Installation And Commissioning Manual page 297

1MRS757488 H
RIO600
Installation and Commissioning Manual
Description
Non-directional earth- Operating range
fault detection
Accuracy
Directional earth-fault Operating range
detection
Accuracy
Fuse failure protection Operating range
Accuracy
Three-phase inrush Operating range
detector
Accuracy
Table continues on next page
Technical data
Value
4...200 A (isolated/compensated network)
200...1000 A (solidly grounded/low-impedance
network)
Depending on the nominal frequency of the
current measured: f
n
±10% of the set value in the range of 4...25 A
±1.5% of the set value in the range of >25...1000 A
Operate time: ±1.0% of the set value or ±20 ms
(Current measurement based on internal
calculation)
4...200 A (isolated/compensated network)
200...1000 A (solidly grounded/low-impedance
network)
Depending on the nominal frequency of the
current measured: f
n
Current:
• ±10% of the set value in the range of 4...25 A
• ±1.5% of the set value in the range of
>25...1000 A
Voltage: ±1.5% of the set value
Phase angle: ±3⁰
Operate time: ±1.0% of the set value or ±20 ms
(Current measurement based on internal
calculation)
4...1000 A (Negative-sequence current level)
300...10000 V (Negative-sequence voltage level)
Depending on the nominal frequency of the
current measured: f
n
NPS function:
<36 ms for U = 1.1 × set value
Fault
<22 ms for U = 5 × set value
Fault
Delta function:
<34 ms for ΔU = 1.1 × set value
<28 ms for ΔU = 5 × set value
5...100% Ratio I2f/I1f measurement
Depending on the nominal frequency of the
current measured: f
n
Current:
±1.5% of the set value or ±0.02 A
Ratio I2f/I1f measurement:
±5.0% of the set value
Operate time: ±35 ms
Section 10
289