ABB Remote I/O RIO600, Руководство по установке и пусконаладке

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is set to zero and the quality bit is set to invalid after the supervision filter time has
elapsed. Also, the IRF LED on the module flashes a warning and WHMI shows "Ext
HW fault". If the mA input cable is damaged or broken, the channel value in GOOSE
is set to zero and the quality remains good. If the measured input value goes beyond
the limits, the value gets saturated to the limits and the quality bits of the
corresponding output are set accordingly.
Table 25: Limits for the RTD/mA inputs
Input Limit value
RTD temperature, high >200 °C
RTD temperature, low <-40 °C
Current, high >20 mA
Current, low < Minimum of "Input Min" parameter value
One supervisory circuitry is shared between two input channels. If the
supervisory circuitry detects failure, both input channels are declared
faulty.
6.1.4.4 Calibration
The RTD and mA input channel is calibrated at the factory.
6.1.4.5 Limit value supervision
The limit value supervision indicates whether the measured value of channel exceeds
or falls below the set limits. All the channels have an individual limit parameter
setting. The measured value contains the corresponding range information in GOOSE
parameter “range” and has a value of 0...4.
• 0: “normal”
• 1: “high”
• 2: “low”
• 3: “high-high”
• 4: “low-low”
1MRS757488 H
Section 6
Commissioning
RIO600 65
Installation and Commissioning Manual