Hypertherm PHC Sensor Manuale Utente Scaricare il pdf (Pagina 16)

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

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Hypertherm PHC Sensor Manuale Utente Pagina 16