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SMARTE Messtechnik für Gleichstrom – Spannung – Kabel – Isolation

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WITT CM 7  Cable Monitoring
WITT CM 7  Cable Monitoring

WITT CM 7

Detection and localization of cable fault

Category: Cable monitoring Tags: cable fault, theft protection
  • Description
  • Additional information
  • Document
  • Scope of Delivery

Description

Cooper cable and especially return circuiter of DC-train (single-core cable 1 x 500 mm²) are highly relevant for the system but due to a high value of cooper they are often exposed to theft. A result of such thefts are high costs for repairs, train cancellations and last but not least a high risk for lives and buildings due to possible dangerous contact voltage.
Witt Solutions GmbH has developed the monitoring system “WITT CM 7” especially in order to reliably monitor cable against theft and at the same time the device is able to detect manipulation of the cooper cable.

  • Shows attempt of manipulation e.g. short circuit of monitored cable.

  • Reliable detection of cable fault or manipulation in real time.

  • Recognition of cable fault e.g. due to civil engineering work.

  • Recognition of water ingress into the cable or cable jacket.

  • Recognition of all interruption, which might accor due to theft or underground work.

  • Detection of cable faut with an accuracy of 2-5%. E.g.: Within a 3 km long cable the device is able to dected a fault with an accuracy between 60 and 150 m.

  • Enables immediate maintenance work and by doing so avoid unnecessary downtime.

Detection of damages e.g.RHEYRAIL von Nexon cable, Protection against theft and detection of manipulation.
Changes on the monitored cable will be detected and displayed immediately.

Following changes will stet off the alarm:

  • Cable shorting without short cicuit between guard cicuit and inner conductor
  • Cable shorting with short cicuit between guard cicuit and inner conductor

  • Jumper of guard cicuit
  • Water ingress into cable

Additional information

Bedienelemente

Witt

DC Fahrspannung (UA)

200VDC, 3000VDC, customer requirement, Witt, Witt, Witt, Witt

Hilfsspannung (1)

110 V AC / 60 Hz, 240 VAC / 50 Hz

Spannungsfestigkeit

up to 2000VDC

Document

Datenblatt
Kabelüberwachung System WB CM 7 Deutsch

Datasheet
Cable Monitoring System CM 7 English

Scope of Delivery

All cable fault monitoring systems are modular structured. Following modules are configurable:

  • compact cabine

  • power supply
  • Device „WITT-WB CM7“ available for length of cable: 1000 m, 2000 m und 3000 m.

  • Communitation WIT-WB-MC: Communication interface will be determind at order (Signal contact, LAN, WLAN, RS485, CAN, GSM, LTE).

Related products

  • WITT CM 3  Kabel Monitoring

    WITT CM 3 KFM 200 Cabel monitoring

    Read more
  • WITT CM 4 Cabel monitoring

    WITT CM 4 | KFM 400 Cable fault monitoring

    Read more

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Sprache

  • German

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