SAFETY SYSTEMS VOLTECH AT3600 USER MANUAL
PAGE 10.8. VPN 98 - 024 SAFETY SYSTEMS
3. TYPICAL INSTALLATION
The safety system is based on the use of an infrared light curtain as a barrier between
the operator and the dangerously high voltages present on the transformer under test.
A typical system is shown below:
The light curtain is positioned in front of the tester. It 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.
The infrared safety system is housed in three separate modules:
1. A vertical column of transmitters and/or receivers, which form the left-hand
edge of the light curtain.
2. A vertical column of transmitters and/or receivers, which form the right-
hand edge of the light curtain.
3. A control box, containing the power supply circuits, the switching
electronics and the interface to the tester.
The interconnection between each of the modules is via simple multi-way cables,
which are easy to install.
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