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1 Intro
1.1 Brief
CHC-400 adopts the high performance 32-bit Cortex-M3 ARM Processor, combining with the
Analog closed-loop circuit. Comparing to CHC-200E &CHC-200D, it has the same features as
follow:
A. Increased more indicators to shows different states of THC.
B. Output of collision-alarm, which is optical isolation output from THC, can be sent to CNC’s
Alarm input to freeze machine’s move. This signal is effective on both manual/auto mode.
The max output is 200mA, capable to drive most relays.
C. Anti-collision function. On manual/auto mode, when metal or low-conductive item like
hand touches sensor ring, THC would send out collision signal and lift torch up until no
collision exist.
D. When HF cable is disconnected or weakly connected, it would be indicated on the
disconnection indicator. So after installation of HF cable, just shake the HF cable, the
connection will be showed by the indicator.
E. Sensitive and Accuracy is increased 100%.
F. Using digital logic control circuit for logic control, greatly improved anti-interference
performance.
Meantime improving the New Features as follow:
a) Power supply : AC 20V~24V, or DC20V~36V
b) HF cables: 800mm~1800mm
If change the HF cable, could do the detection and adjustion work automatically.
c) Automatical detection function: automatically detect the balance position, collision and
disconnection status.
Application: CHC-400 is suitable for flame cutting/plasma cutting/laser cutting machines etc.
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