
9 2331-20 POWER METER MODULE
183
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APPX
IDX
Alarm judgment and recording function
9.5.3 General Specifications
Power outage protec-
tion
After recovering from a power outage, the instrument automatically returns to the state
held before the outage.
Alarm judgment is made at every sampling, and the history will be recorded in flash memory if the measured
value recording function remains active.
Judgment method
Criterion threshold can be set to either Hi or Lo.
The instantaneous value at every sampling is judged (effective in any measurement
mode.).
Recorded data
One data set contains time, generation/reversion, CH and judgment threshold.
Alarm output
Alarm output × 1 CH
Output is turned ON when an alarm (Hi or Lo) occurs.
Whether to hold the alarm output can be selected. The reset switch or a command
can be used to reset alarms.
Input method
U INPUT: Insulated input
(Not insulated from current measurement circuit)
CLAMP SENSOR INPUT:
Input insulated by a clamp sensor
Input resistance
(50/60 Hz)
U INPUT: 1.6 M
Ω
±
10% (Difference input) CLAMP SENSOR INPUT: 200 k
Ω
±
10%
Measurement
method
Digital sampling
Internal memory
512 k bytes Flash memory
Backup
Recorded data (saved in flash memory)
Data loss for up to 2 minutes before and after a power outage may occur.
Clock function
The real time clock (year, month, day, hour, minute, and second) of the communica-
tions module is used.
LED display
Used for monitoring and warning
Communication inter-
face
CAN bus
Maximum input volt-
age
U INPUT: 300 Vrms, 424.3 V peak
ALARM: 30 VDC
CLAMP SENSOR INPUT: 1.5 Vrms, 2.2 V peak value
Maximum rated volt-
age to earth
Voltage input (U INPUT) terminal
300 Vrms, 50/60 Hz
Alarm output
Open collector; 30 VDC, 20 mA max.
Rated supply v5 V±0.3 VDC
Maximum rated
power
2.5 W
Dielectric strength
3.536 kVACBetween U INPUT terminals and Case
(excluding terminal section)
2.210 kVAC Between U INPUT terminals and ALARM terminals, interface terminals
CLAMP SENSOR INPUT terminals and ALARM terminals, Interface terminals (50/60
Hz, Response current 5 mA, one minutes)
Dimensions
Approx. 45.5W × 96H × 94.5D mm
(1.79"W × 3.78"H × 3.72"D)
(including cover, excluding projections)
Mass
Approx. 240 g (8.5 oz.) (including cover)
Содержание 2300 Smart Site
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Страница 21: ...8 Service...
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Страница 207: ...194 10 2332 20 POWER METER MODULE 10 1 4 Dimension Diagrams 94 5 1 103 3 1 103 9 1 110 1 96 1 45 5 1 4 0 5 Unit mm...
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