RCM and energy measurement device in a single unit
20 current measurement channels +/- 0.5 %
4 voltage measurement channels +/- 0.5 %
Internal RS485 interface (Modbus as Slave)
20 LEDs – One LED for each current channel (Green = o.k., Yellow = Warning; Red = Nominal current exceed)
Measurement range of operation current with burden up to 63 A with closed or split core current transformers (standard measured values: V, A, kW, kVA, kVar, kWh)
Fig.: Operating current and RCM fault current monitoring
The system for smart people
Compact nature of the system
Can be retrofitted to existing systems
Modbus RTU directly on board
State indication per channel (LEDs)
Name stored per channel in the measurement device
Wide range power adapter (90 – 276 V ... AC / DC)
Integration in the GridVis® software
Diverse current transformer variants for the individual application
Measurement variants:
Three-phase and single-phase energy measurement
RCM measurement three-phase and single-phase
High sampling rate 20,000 Hz
Current transformer connection monitoring (i.e. wire break will be detected)
Harmonics analysis up to 63rd harmonic via analysis channel
Saving of minimum and maximum values with time stamp
Standard measured values: V, A, kW, kVA, kVar, kWh (variable list)
Scalability of the system
Power supply without drop-outs
Permanent monitoring and logging of processes in TN-S or TN-C-S systems
Simple parameterisation and operation of the RCM measurement
Automatic reporting in the event of problems enables a rapid initiation of countermeasures
Comprehensive diagnostics increase safety and efficiency of a company
Fig.: Message before shut-down - an objective of residual current monitoring
Alarms before failures (preventative residual current analysis)
Faults arising will be detected in good time
Monitoring, evaluation and reporting of creeping increases in residual currents (e.g. triggered by insulation faults and operating currents for system parts or loads being too high)
Reduction of downtimes
Sensors for energy management
Energy data of a large number of loads can be acquired and passed to a database with ease
Automatic reading out and saving of the measured values and data saved in the measurement devices as well as the exceedance of parameterised threshold values
Channel-specific measured values of the current monitoring devices can be displayed via the GridVis® software
The evaluation and saving of data in central databases is implemented via the GridVis® software
The greater the scope of information, the more accurate the determination of savings potentials
Energy optimisation offers a higher, more economical savings potential (ISO 50001)
Fig.: Read-out, analysis and saving of energy data
Your benefits - The intelligent system solution
Early warning with system failures
Avoidance of costly and hazardous system downtimes; the availability of systems is increased
Localisation of individual faulty feeders, reduced work when troubleshooting
Early detection of an overloading of the N conductor and critical residual currents, resulting in increased fire safety
Through parameterisation of the system in new condition and constant monitoring, all changes to the system state after the point of commissioning can be detected
Fulfilment of the safety criteria "RCM residual current monitoring" in data centres
Convenient monitoring and parameterisation solution with GridVis® software
Operating current acquisition of all relevant consumers as a basis for an energy management system (EnMS)
Fig.: Constant processes and highly sensitive applications such as data centres, are based on RCM monitoring.
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