AC precision power distribution monitoring unit BCM101 series products serve for the monitoring of power parameters of AC power array cabinets in data center, measuring the voltage, current, energy and harmonic of incoming line and feeder line branches as well as on-off state of all the circuit breakers, and have tripping alarm function; each output circuit has two-level user-defined overcurrent alarm to prevent potential power fault. The product is equipped with 7in LCD touch screen, and has Ethernet communication interface to facilitate the access of other systems.
Incoming line monitoring module
Incoming line monitoring module serves for monitoring grid parameters of 1 or 2 AC three-phase incoming line circuit(s), and can be connected with feeder line monitoring module and switch monitoring module.
Accuracy Active energy 0.5S Class
1/2 incoming line voltage, zero-to-earth voltage, current, power, power factor, frequency, energy, demand, extreme value, THD, 2nd～63rd sub-harmonic content, unbalance, voltage crest coefficient, current K coefficient, and temperature.
4 channels of switch status monitoring and 2 alarm outputs.
Communication2 RS485 communication interfaces, 1 optional Ethernet interface.
Extension functions Up to 6 feeder line monitoring modules can be connected.
Data recording Saving energy data of the recent 10 years, 1,024 SOE records, 1,024 real-time alarm records, and 12,800 alarm records.
Feeder line monitoring module
Feeder line monitoring module can monitor grid parameters of up to
30 single-phase AC circuits, and can directly judge on/off state
of branch line circuit breakers through measured voltage,the module
is connected with incoming line monitoring module through busbar
Measuring feeder line voltage, current, power, frequency,energy,
total harmonic distortion of current, and 2nd～31st sub-harmonic
content for up to 30 circuits.
Internal special energy metering chip.Monitoring
Branch status monitoring and two-segment current thresholdCommunication4-digital dial switch, facilitating communication address setting. InstallationExternal plug-in CT, equipped with special cables, each voltage
alarm are provided.
corresponds to current to facilitate phase commutation.
Switch monitoring module
Switch monitoring module can monitor on/off or fault state of up to
60 circuit breakers, and is connected through DC 24V active wet
contact, the module is connected with incoming line monitoring
module through busbar interface.
MeasurementDC 24V active wet-contact input for up to 60 circuit breakers.Communication4-digital dial switch, facilitating communication address setting.
Display module is connected with incoming line monitoring module
through RS485 busbar, and serves for the display of measurement
information of electrical parameters of incoming line and feeder
line as well as measurement information of circuit breaker state,
and the setting of module parameters.
Display7-inch touch screenSettingConfigurable monitoring channels for modules.
Plug-in current transformer
Closed current transformer serves for the acquisition of current
signal of feeder line circuit, and is in service together with
feeder line monitoring module.
Measurement0.1% accuracy, maximum 63A/120AInstallationfixed by screw, output terminal designed in plug-in connection
Power module provides the entire monitoring unit with DC 24V
service power supply
Input voltage AC/DC 80-270V Output voltage DC 24VOutput power20W