HYD
1.5 Basic functions,
A、 Auto Initial Height Sensing(IHS)：
深圳市宏宇达数控技术有限公司
Torch Retaining Cap IHS and Proximity Switch IHS (NPN and PNP),
Proximity Switch IHS is backup for Torch Retaining Cap IHS for cutting
dirty/rusty workpiece, needing the Anti-Collision Fixture(breakaway kit).
B、 Torch Anti-Collision Function:
We designed Touch-Up circuit for Anti-Collision Function. No matter it is on
Auto Control Model or Manual Control Model, when torch head touches the
workpiece, THC would automatically lift torch up to IHS height. So with
XPTHC-100, even in Manual Control Model, user doesn’t need to worry
about torch head crashing.
C、 Freeze Auto Height Control on Corner Signal
XPTHC-100 can recognize Corner Signal from CNC and freeze Auto
Control Model on receiving this signal, and we have a unique design to
backup this function. We set 30V (adjustable) as Turning Point
according to our years practice. When the Actual Arc Voltage is higher
than Set Arc Voltage over 30V, THC Auto Control Mode freezes to avoid
torch head diving, until it goes back to 30V range. This Over Voltage
protection can avoid torch diving on voltage spikes (Corner Turning, Kerf
Crossing) effectively.
D、 Lifting torch Up on IHS Disabled status.
On IHS Disabled status, jogging torch head down until it reaches workpiece,
when Arc Starts, torch head would lift up automatically to the Set Height set
via the button SET-IHS.
E、 Lifting Torch Up on TURN ON or Arc Off:
When CNC is TURN ON or Plasma Arc Off, THC would lift torch up for 2
seconds, please notice this Function during commissioning, avoiding
the possible damage of limit switch or lift device.
F. Set Pierce Delay Time.
Set Button Set-PIERE (set Pierce delay time), to delay output this signal, it
is a switch signal, set to detect arc voltage lead in THC. Once THC detect
arc lead in, it send arc ok signal to CNC to start cut.
地址：深圳市南山区中山园路 100 号 E4-6C(TCL 国际 E 城)
- 5 -
TEL：755-26625800 FAX：755-26729960
