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Safety Systems for the AT5600

The AT5600 integrates many types of testing, both traditional LCR style low voltage measurement, as well as HIPOT AC, HIPOT DC and SURGE testing to check product longevity, as well as a 270V class D supply for mains voltage testing under real conditions.
With this in mind, the rear panel of the AT5600 has been designed with a safety interlock connector.
This allows you to protect users from high voltages during test. This implements a triple redundant system for maximum user safety.
This is identical to the interlock system used on the AT3600 Transformer tester.

Unless the three safety interlock signals on this connector are in the ‘safe’ condition, the tester will not run any tests.
The details of any safety system installation could vary depending on where the tester is being used.
In a robotic production line, for example, the tester could be in an enclosed area, and the safety switches could be mounted in the door.
With manual production, the safety system could be based on a physical barrier, for example, a ‘lid’ fitted with safety interlock switches.
However, the requirement to open and close such a barrier will give a slower speed of test, and often the reduced production throughput that follows from this may not be acceptable.

Below follows a brief description of some solutions for implementing your own safety system for use with the AT5600.
More detail can be found in the AT5600 user manual Chapter 6, and the other user manual referred to below.

Banner Light Curtain system

For optimum safety, ease of use, and test speed, Voltech recommends the use of a safety light curtain with the AT5600
The safety system uses an infrared light curtain as a barrier between the operator and the high voltages present on the transformer under test.
The light curtain is positioned in front of the AT5600, the light curtain barrier extends well beyond the width of the tester so that the operator is not impeded when he/she has to load and unload the transformer under test.

This can be purchased directly from Banner Engineering.

Voltech can supply an interface cable (our part # 250-030) that provides the link from the AT Safety Interlock Port and the Banner control box ( Banner part number EZAC-R9-QE8)

Details of Banner OEM parts and installation of the cable are found in our manual for the interface cable.
See 98-121 Safety Interlock Cable for Banner EZAC-R9-QE8 User Manual

click to ZOOM

Constructing your own Safety System

If you wish, you can construct your own system, similar to the above, or using a more mechanical system.
All the above methods must meet the 3 conditions for the interlock to be activated.

Please see AT5600 user manual section 6.2.3
This shows the principles of how to construct a safety system based to meet the signal conditions on the 9-way AT Safety Interlock connector.

Voltech can supply a pre-made cable suitable for integrating the AT with your own system
Part number 250-030 Safety Interlock Cable
User manual 98-121 Safety Interlock Cable User Manual

Email Voltech
USA 1-239-437-0494
EUR 44 1235 861173
ASIA 44-1235-364-001
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Contact Voltech
USA 1-239-437-0494
EUR 44 1235 861173
ASIA 44-1235-364-001
or
Email Voltech
 
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