APLUS

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Item number: APLUS-

Multifunctional Power Monitor with System Analysis

The APLUS is a comprehensive instrument for the universal measurement, monitoring and power quality analysis in power systems.

Applications

Possible applications in power systems

Acquisition and control of the present system state
Monitoring of the operational behaviour
Analysis of the power quality
Determining load profi les and energy demand values
Finding the variations of the system load
Measurement before and behind frequency converters
Recording of operating procedures

The version without display for top hat-rail mounting is intended for applications where no on-site display is needed. It provides the same functionality as a device with display has the same dimensions and connections and may be equipped with the same options.

APLUSVersion with LED display.

Technical characteristics
Condition monitoring
- Provision of all voltages, currents, powers, power factors every 10/12 cycles
- Extended reactive power analysis
- Variance of system variables with time reference
Energy flow analysis
- Power mean-values with trend-analysis for preventing load-peaks
- Load profile storage with fluctuation range (min/max) per interval
- Active /reactive energy class 0.5S (HT/LT, demand/delivery), configurable resolution
- Further mean-values and meters with selectable base quantity
Power quality analysis
- Harmonic analysis acc. IEC 61000-4-7
- Assessment of voltage and current imbalance
- Phasor and phase sequence display for connection check
- Waveform display
- Optional disturbance recorder for PQ events (voltage dip, swell, interruption) acc. IEC 61000-4-30 Ed.3 with RMS1/2 and waveform recordings
Hardware option

Analog outputs ±20mA (2/4), Relay outputs (2), Digital inputs (4) active / passive, GPS time synchronization, Fault-current monitoring (residual or earth current), temperature monitoring (Pt100, PTC), IEC61850 or Profinet I/O

Communication
- Optional: Ethernet (Modbus/TCP, http/https, NTP, SFTP, SYSLOG), IEC61850, Profinet I/O, Modbus/RTU
- Scheduled data export to SFTP server (option Ethernet required)
Security (option Ethernet required)
- Flexible Role Based Access Control
- Encrypted communication via HTTPS
- Audit Log records all security related procedures, support for SYSLOG for transfer to central network monitoring server
- Client whitelist: IP address list for restricting authorized computers
- Digital firmware signature: Prevents that manipulated firmware gets into the device via update
Further features
- 3 current and 3 voltage channels with 0.2% accuracy, direct measurement or via transformers
- Measurement category 600V, CAT III (voltage), 300V,CAT III (current)
- Standard IOs: 1 digital output, 1 digital input/output
- Data logger with16 GB data memory (option)
- Sampling rate: 18kHz
- Monitoring and alarming via limit values and monitoring functions
- For panel mounting 96x96mm
- Identical operation as devices of the PQ/CU/DM series

Accessories

USB-RS485

USB-RS485 Interface converter for programming

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Contact

Do you have any questions on the product or do you need technical information or details on the current delivery period? Our sales backoffice will be pleased to assist you.

Sales International:
Telephone: +49 911 8602-0
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Further topics

myGMC

Under myGMC you can register your product and receive up-to-date information on firmware updates, modifications of standards and many more topics.