CNC4PC PLASMA THC-3 Manuale utente
User’s Manual Page 1
USER’S
MANUAL
VER.1.
THC-3 TORCH HEIGHT CONTROL
Rev.1
AUGUST 2022
User’s Manual Page 2
USER'S MANUAL
TABLE OF CONTENTS
Contents
1.0 OVERVIEW.....................................................................................................................3
2.0 FEATURES.....................................................................................................................3
3.0 DESCRIPTION................................................................................................................4
4.0 TERMINAL BOARD........................................................................................................5
4.1 POWER...................................................................................................................................5
4.2 DIVIDED INPUT (16:1 - 20:1 - 40:1 - 50:1 - 1:1).....................................................................5
4.3 TORCH VOLTAGE..................................................................................................................6
4.4 OUTPUT SIGNALS.................................................................................................................6
5.0 Pairing Device................................................................................................................7
5.1 Add device THC-3...................................................................................................................7
6.0 UCCNC CONFIGURATION ............................................................................................8
7.0 DESCRIPTION SCREEN..............................................................................................15
7.1 SET POINT............................................................................................................................15
7.2 ARC VOLTAGE.....................................................................................................................16
7.3 V-RANGE (HY)......................................................................................................................16
7.4 THC DELAY ..........................................................................................................................17
8.0 WAIRING SAMPLE.......................................................................................................18
User’s Manual Page 3
1.0 OVERVIEW
This module allows you to control the height of the plasma torch head relative to the workpiece
during plasma CNC operation, it supports either raw torch head voltage or input of 0-10VDC,
the ARC OK, UP and DOWN outputs are isolated.
2.0 FEATURES
•Open collector to optoisolated output working at 5 to 24VDC
•Built-in Voltage Divider for connecting to the voltage on the torch or can use the 0-10VDC
from a voltage divider from the plasma.
•Bluetooth connection
•10 to 30VDC Power Terminal (+24 Typical)
•Isolated Power Connection
•Status LED
•Din Rail Mountable.
•Divider input (16:1 - 20:1 - 40:1 - 50:1 - 1:1)
User’s Manual Page 4
3.0 DESCRIPTION
User’s Manual Page 5
4.0 TERMINAL BOARD
4.1 POWER
Requires a 10 to 30VDC at 100mA Power Supply. Typically, +24vdc are used. “This board is
electrically isolated through a DC-DC converter.”
WARNING: Check the polarity and voltage of the external power source and connect
the 10VDC to 30VDC and GND. Overvoltage or reverse-polarity power applied to these
terminals can cause damage to the board, and/or the power source.
4.2 DIVIDED INPUT (16:1 - 20:1 - 40:1 - 50:1 - 1:1)
User’s Manual Page 6
4.3 TORCH VOLTAGE
NOTE:
It is preferable to use the divided voltage instead of the torch voltage. The Torch voltage can be very
high and there could be many safety implications in wiring this to the controller. The high voltage
could also be a possible source of noise. Use it as a last resource.
4.4 OUTPUT SIGNALS
Voltage applied can be from 5 to 80VDC@50mA, outputs signal optoisolated Open Collector.
User’s Manual Page 8
6.0 UCCNC CONFIGURATION
UCCNC Configuration for THC-3 on
C76 or C94
Used software: UCCNC Version 1.2115
http://www.cncdrive.com/UCCNC/setup_1.2115.exe
STEP 1:
Start by making a backup of the existing installation:
Make a backup of the configuration and file installation, we recommend creating a backup of
the current installation by right-clicking in the current installation folder and zipping it.
STEP 3:
Modbus Configurations:
Control Panel\All Control Panel Items\Devices and Printers
User’s Manual Page 9
NOTE:
The COM port that windows assigned, as it would need to be set in the Modbus configuration
User’s Manual Page 10
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