Diagnostics and Communications

Wide range of diagnostics and communication features

[illustration of diagnostics and communication features]
1 Direct signalling

2 Checked on-site

3 Fieldbus control

4 Remote monitoring

Diagnostics included – from contact to control system

The NZM electronic circuit-breaker offers a comprehensive range of on-board diagnostic functions for every stage involved in power distribution. All important information can be collected, displayed on-site and passed on to higher level systems.

System transparency is enhanced and the reaction times to critical states, e.g. over current, phase unbalance or phase failure can be reduced. Detailed event protocols enable quick diagnosis of fault causes. Operating hours and switching operation counters facilitate planning of preventative maintenance activities. Protocol functions support the documentation of status, diagnostic messages and parameter settings. The modularity guarantees the necessary level of flexibility with expansion and retrofitting to react to changing demands.

NZM Moulded Case Circuit Breakers – Monitor and Interrogate (240KB)

Remote monitoring – just a click away

[picture of units being connected] In order to receive full transparency with all switchgear, up to now complex programming of control and visualisation systems was necessary. The new FDT-Navigator now enables simple implementation of a complete service control station: for remote switching and observation of networked switchgear, for diagnosis of all events and maintenance information as well as the parameterisation of all device functions. And all functions are as easy to install as a printer driver with no knowledge of automation required.

Fieldbus control – simply snap and couple

[picture of units being connected by Fieldbus] Complete coupling of all functions to the automation level is now possible via PROFIBUS DP or CANopen. All status and measurement information can be monitored and logged. Exceeding of threshold values can be evaluated through energy management concepts. Interfacing is particularly easy via PROFIBUS: the data is available in a common format and structure using the standard profile of the PROFIBUS User Organisation. Furthermore DP-V1 functionality enables access to all messages, diagnostics and parameter data as well as motor starter functions.

PROFIBUS GSD files (device master data) for EASY204-DP (31KB)

Checked on-site – just plug in a laptop or DMI

[picture of bus connection to NZM] Complete coupling of all functions to the automation level is now possible via PROFIBUS DP or CANopen. All status and measurement information can be monitored and logged. Exceeding of threshold values can be evaluated through energy management concepts. Interfacing is particularly easy via PROFIBUS: the data is available in a common format and structure using the standard profile of the PROFIBUS User Organisation. Furthermore DP-V1 functionality enables access to all messages, diagnostics and parameter data as well as motor starter functions.

	NZM-XPC-Soft V2.02 Update (21MB)
	NZM-XPC-Soft NZM Diagnostics and DMI Configuration User Manual 01/04 AWB1230-1459GB (1.6MB)
	Circuit-Breaker Communication System Hardware and Engineering 11/04 AWB1230-1441GB (2MB)

Direct signalling – simply snapped on from the front

[picture of signalling connections to NZM] Immediately recognising critical situations is now possible: warnings at 70%, 100% and 120% loading are indicated directly by the electronic release. Critical limits of the system's capacity are immediately recognisable on-site without additional accessories. For display of the status and trip indication all NZM circuit-breakers use contact elements from the RMQ-Titan® range. Alternatively with screw or spring-loaded terminals – identical for all NZM sizes simply clipped-on from the front.

This page last updated: 12 July 2007