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Plasma interface assembly – Hypertherm PHC Sensor User Manual

Page 16

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16

Sensor™ PHC Operation and Setup Guide

Plasma Interface Assembly

The plasma interface module is shown in Figure 3.

Electrical
Parallel digital I/O.....................................................................+12 Vdc to +24 Vdc
Interface signals……………………………………................... Plasma start, hold ignition, transfer
Voltage divider function............................................................Arc voltage (attenuated and filtered)

Figure 3: Plasma Interface (Cover Removed)


If you are using a Sensor PHC 228245 with an HSD 130, select plasma interface assembly 228247 (25-foot
cable) or 228248 (50-foot cable). Refer to Field Service Bulletin 805740 for installation information.

Plasma interface
signals

Electrode voltage
(negative)

Connection for ground
to the star ground on
the work table