DEMA CPM 310 G User Manual page 213

Technical Characteristics
2.9 Event Records
Record Details
Stamp Information
Distinguishing Time
Recordings Quantity
Record Structure
Records Viewing
2.10 Waveform Records
Waveform Records Quantity
Waveform Record Time
Record Time Structure
Record Form
Records Viewing
Trigger
2.11 Error Ratings
Pick-up Current and Error
Protection Threshold Error
DMT and IDMT Delaying Error
Thermal Trip Delaying Error
Measuring Error
2.12 Current Transformer Compatibility
Primary Phase Nominal Current
Secondary Phase Nominal Current
Primary Earth Nominal Current
Secondary Earth Nominal Current
2.13 General Information
Dielectric Withstand
Mounting Options
Case Construction
Case Dimensions
Case Level of Protection
Storage & Operation Ambient Temp.
Net Weight
Setting changes, trip records, disturbance records, alarms and other records are
saved with time & date stamps.
Time Information:
day / month / year, hour / minute / second / millisecond.
1 ms
151 records.
Record title and time stamp; amplitude, source and input & output status is
applicable.
On the relay menus or over DigiConnect PC program.
5 records.
3 s each.
0.4 s record before trigger.
2.6 s record after trigger.
Current oscillogram.
PC program.
Via an input or automatically by protection function pick-up.
1.05 of threshold (1.6 of threshold for SA Semiconductor curve), error: ±0.1 I
±% 2
±% 5 or ± 40 ms (One of the criteria will be fulfilled). Valid in the range (2 - 20) I
Measured current is max. 40 I
±% 5 or ± 200 ms (One of the criteria will be fulfilled). Valid in the range (1.5 - 8)
I .
s
±%1 at I = I .
n
Setting range: (1-9999) A, in steps of 1 A.
1 A or 5 A. Settings should be done along with dip-switch adjustment.
Setting range: (1-9999) A, in steps of 1 A.
T1-1A, T1-5A, T2-1A or T2-5A. Settings should be done along with dip-switch
adjustment.
2,000 V / 50 Hz / 1 min and 2,200 V / 50 Hz / 1 s.
Flush / rack mounting.
Socket and draw out construction, automatic secondary circuit bridging function.
144 mm x 179 mm x 200 mm (width x height x depth).
Front side IP52, rear side and terminals IP20.
min. -25°C, max +70°C
3.5 kg
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