Table of Contents
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1-4
connection
SH-HC31 15-pin port definition
Pin
Definition
No.
4
Arc voltage signal Connect arc voltage signal of plasma power source, input range
5
Arc voltage signal
ground
7, 14 DC24V+
8, 15 DC24VG
10
Manual/auto
Instruction
DC0-5V. If plasma power source has no DC0-5V, then a voltage
divider box needs to be connected.
Connect arc voltage signal ground of plasma power source
Connect DC24V+
Connect DC24VG
Connect output of CNC cutting controller or external switch, 24V
signal, high level is manual mode, low level is auto mode.
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