ROBOT3T- 3C MACHINERY CO., LTD
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USER MANUAL THC3T-02 STEP/DIR Page 1 | 16
1. Device information
1.1 Introduction
Compact THC3T-02 with Step/Dir output uses arc voltage to maintain a consistent
distance from the plate while the torch is cutting. This allows the system to maintain proper
torch height regardless of variations in the material, of flatness of the cutting bed.
Simplified block diagram:
The THC3T-02 package includes:
1 main board;
1 divider board;
1 potentiometer + cable.
1.2 Specifications
- Using potentiometer to set height’s torch;
- Voltage divider and noise to obtain the raw signal from the plasma cutting;
- Using signal processing algorithms to derive the voltage stability of the plasma;
- Apply a algorithm to support smooth motion, this is a advantage of Compact
THC3T-02;
- Auto calib the arc voltage with any plasma cutter;
- Auto detect ARC OK;
- Integrated voltage divider 1:50;
- Control directly the Z axes driver with Step/Dir signal, give high performance
and more accuracy