ero electronic MKP - Current Transformer Input for out Failure Detection

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STANDARD RANGES TABLE
LOGIC INPUTSLOGIC INPUTS
LOGIC INPUTSLOGIC INPUTS
LOGIC INPUTS
The instrument may be supplied with 11 logic inputs programma-
ble as:
- Program selection
- RUN/HOLD mode selection
- ABORT function activation
- Auto/manual selection
- Output limiter activation
- Manual reset of the alarms (acknowledge)
- Reverse/direct control action
Input typeInput type
Input typeInput type
Input type: Contact closure (voltage free).
Active logic level: Active logic level:
Active logic level: Active logic level:
Active logic level: Close or open programmable.
Contact ratingContact rating
Contact ratingContact rating
Contact rating: 5 V DC, 2.5 mA
CURRENT TRANSFORMER INPUT FOR OUT FAILURECURRENT TRANSFORMER INPUT FOR OUT FAILURE
CURRENT TRANSFORMER INPUT FOR OUT FAILURECURRENT TRANSFORMER INPUT FOR OUT FAILURE
CURRENT TRANSFORMER INPUT FOR OUT FAILURE
DETECTIONDETECTION
DETECTIONDETECTION
DETECTION
The instruments equipped with this feature are capable, by
means of a CT, to detect and signal a possible failure of the
line driven by a control output programmed as a time propor-
tioning output (see "OUT failure detection").
Input rangeInput range
Input rangeInput range
Input range: 50 mA AC.
ScalingScaling
ScalingScaling
Scaling: programmable from 10 A to 100 A (with 1 A step).
ResolutionResolution
ResolutionResolution
Resolution:
- for full scale up to 25 A: 0.1 A.
- for full scale from 26 A to 100 A: 1 A
Minimum duration of the period (ON or OFF) to perform theMinimum duration of the period (ON or OFF) to perform the
Minimum duration of the period (ON or OFF) to perform theMinimum duration of the period (ON or OFF) to perform the
Minimum duration of the period (ON or OFF) to perform the
measurementmeasurement
measurementmeasurement
measurement: 120 ms.
Input typeInput type
Input typeInput type
Input type
0 - 20 mA 0 - 20 mA
0 - 20 mA 0 - 20 mA
0 - 20 mA
4 - 20 mA 4 - 20 mA
4 - 20 mA 4 - 20 mA
4 - 20 mA
0 - 5 V0 - 5 V
0 - 5 V0 - 5 V
0 - 5 V
1 - 5 V1 - 5 V
1 - 5 V1 - 5 V
1 - 5 V
0 - 10 V0 - 10 V
0 - 10 V0 - 10 V
0 - 10 V
2 - 10 V2 - 10 V
2 - 10 V2 - 10 V
2 - 10 V
impedanceimpedance
impedanceimpedance
impedance
< 5 Ω
> 200 kΩ
> 400 kΩ
AccuracyAccuracy
AccuracyAccuracy
Accuracy
0.2 %
+ 1 digit
@ 25°C
XKP-1-D1.pmd 25/05/2006, 11.28145