Specifications

432E2250.FM/3
23!mars!2004
Power-monitoring units
Circuit Monitor Series 3000
Functions and characteristics (cont.)
E94209
Selection guide CM3250 CM3350
General
Use on LV and HV systems bb
Current and voltage accuracy 0.1 % 0.1 %
Energy and power accuracy 0.5 % 0.5 %
Number of samples per cycle 128 128
Instantaneous rms values
Current, voltage, frequency bb
Active, reactive, apparent power Total and per phase bb
Power factor Total and per phase bb
Energy values
Active, reactive, apparent energy bb
Settable accumulation mode bb
Demand values
Current Present and max.
values
bb
Active, reactive, apparent power Present and max.
values
bb
Predicted active, reactive, apparent power bb
Synchronisation of the measurement window bb
Circuit Monitor
Series 3000. Setting of calculation mode Block, sliding bb
1 Current/voltage inputs
2 Settings lock, sealable access door.
3 Maintenance LED indicator.
4 Power LED indicator.
5 Control power-supply connector.
6 RS 485 port with transmit and receive LED indicators.
7 Slot for optional card.
8 Display communication port.
9 KYZ pulse output.
Power-quality measurements
Harmonic distortion Current and voltage bb
Individual harmonics 63 63
Waveform capture bb
Detection of voltage sags and swells - b
Fast acquisition of 100 ms data - b
Verification of compliance with EN50160
(1)
bb
Data recording
Min/max of instantaneous values bb
Data logs bb
Event logs bb
E87306
Trending / forecasting bb
Alarms bb
SER (Sequence of Event Recording) bb
Time stamping bb
GPS synchronisation (1 ms) IOC44 option
8 Mbyte memory bb
Display and I/O
Display CMDLC or CMDVF option
Multilingual: French, English, Spanish bb
Wiring self-test bb
Pulse output bb
Maximum number of I/Os 9 9
Direct voltage connection 600 V 600 V
Communication
Disturbance waveform capture: detection of a voltage sag. RS 485 port 2/4 wires 2/4 wires
Infrared port CMDVF option
ModBus protocol bb
Ethernet card (Modbus/TCP/IP protocol) ECC21 option
HTML-page web server ECC21 option
Ethernet gateway for third-party products ECC21 option
(1) Except for interharmonics, signalling voltages, flicker and transients.