Hypertherm ArcGlide Torch Height Control, Инструкция по эксплуатации

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2-6 ArcGlide THC Instruction Manual
INStALLAtIoN
12. If the gantry runs on rails that are not welded to the table, then the rails need to be connected with a ground cable
from each end of both rails to the table. These need not go to the common (star) point, but could take the shortest
path to the table.
13. If the OEM is installing a voltage divider to process arc voltage for use in the control system, the voltage divider
board should be mounted as close as possible to the point where the arc voltage is sampled. If the Hypertherm
voltage divider board is used, the output signal is isolated from all other circuits. The processed signal should be
run in twisted, shielded cable (Belden type 1800F or equivalent). The cable used must have a braided shield, not a
foil shield. The shield should be connected to the chassis of the plasma system and left unconnected at the other
end.
14. All other signals (analog, digital, serial, encoder) should run in twisted pairs inside a shielded cable. Connectors on
these cables should have a metal housing and the shield, not the drain, should be connected to the metal housing
of the connectors at each end of the cable. Never run the shield or the drain through the connector on any of the
pins.