ROBOT3T THC3T-02 Manuel utilisateur
Version 1.0.4
Copyright 2019 by Robot3T
ROBOT3T
THC3T-02 UP/DOWN OPERATION MANUAL
Table of Contents
1. Device information..........................................................................................................3
1.1 Introduction................................................................................................................3
1.2 Specifications.............................................................................................................4
1.3 Mainboard ..................................................................................................................5
1.4 Divider board .............................................................................................................6
2. Signals summary of THC3T-02 .....................................................................................7
2.1 Power supply..............................................................................................................7
2.2 Arc-voltage.................................................................................................................7
2.3 Potentiometer ...........................................................................................................10
2.4 Output ACR_OK, THC_UP & THC_DOWN (OPTO)...........................................11
3. Setup parameters............................................................................................................12
4. THC3T-02 operations....................................................................................................13
4.1 Principle operating ...................................................................................................13
4.2 Fast connect..............................................................................................................14
5. Fault processing.............................................................................................................17
6. Example for MACH3 configuration:.............................................................................18
7. Warranty Period and Coverage .....................................................................................20
7.1 Warranty Period .......................................................................................................20
7.2 Warranty coverage ...................................................................................................20
7.3 Notes on safety.........................................................................................................20
ROBOT3T- 3C MACHINERY CO., LTD
6/4, 328 Cao Lo Street, Ward 4, District 8, Hochiminh City, Vietnam
(+84) 97-490-8615
USER MANUAL THC3T-02 UP/DOWN Page 3 | 21
1. Device information
1.1 Introduction
Compact THC3T-02 with up/down 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 + cables.
Fig1. Block diagram
ROBOT3T- 3C MACHINERY CO., LTD
6/4, 328 Cao Lo Street, Ward 4, District 8, Hochiminh City, Vietnam
(+84) 97-490-8615
USER MANUAL THC3T-02 UP/DOWN Page 4 | 21
1.2 Specifications
-Using the potentiometer to set height’s torch
-Voltage divider and noise to obtain the raw signal from the plasma cutting
-Using signal processing an algorithms to derive the voltage stability of the plasma
-Apply an algorithm to support smooth motion.
-Auto calib the arc voltage with any plasma cutter
-Auto detect ARC OK
-Easy to connection, just three outputs: UP, DOWN, ARC OK
-Integrated voltage divider 1:50.
-This version is specify to integrated with Mach3 and LinuxCNC software.
Fig2. Connection diagram
ROBOT3T- 3C MACHINERY CO., LTD
6/4, 328 Cao Lo Street, Ward 4, District 8, Hochiminh City, Vietnam
(+84) 97-490-8615
USER MANUAL THC3T-02 UP/DOWN Page 5 | 21
1.3Mainboard
LEDs Status:
-Power red LED; Run yellow LED (THC ready); Height
green LED (Torch height OK);
-LED1 display “Up”, “Down”, “Height” status of Z-axis;
-LED2 is arc-voltage value from plasma cutter.
LED2
LED
1
Buttons:
-Menu: To change mode
-Up, Down: To change the
display or data in each mode.
Fig3. Main board
ROBOT3T- 3C MACHINERY CO., LTD
6/4, 328 Cao Lo Street, Ward 4, District 8, Hochiminh City, Vietnam
(+84) 97-490-8615
USER MANUAL THC3T-02 UP/DOWN Page 6 | 21
The main parameters of the master board:
Table1. Main parameter
Parameter name
Acceptable
Supply voltage
+24VDC/2A ±10%
Maximum arc-voltage
660VDC
Maximum input voltage of 1:50 divider
6.6VDC
Maximum current of output relays
150mA/100VDC
Weight
300g
External Dimensions (L * W * H)
95x110x45[mm]
1.4Divider board
SW MODE
DIVIDER
SW 1
SW 2
Description
100:1
ON
ON
Voltage divide ratio 1:100
50:1
OFF
ON
Voltage divide ratio 1:50
ON
OFF
EXT-
50:1
OFF
OFF
Voltage input of 1:50
divider EXT(extension)
Fig4. Divider board
ROBOT3T- 3C MACHINERY CO., LTD
6/4, 328 Cao Lo Street, Ward 4, District 8, Hochiminh City, Vietnam
(+84) 97-490-8615
USER MANUAL THC3T-02 UP/DOWN Page 7 | 21
2. Signals summary of THC3T-02
2.1 Power supply
2.2 Arc-voltage
When connecting directly, use the shortest possible cables for connecting the plasma
cutter with THC controller - it is recommended the THC controller to be mounted directly
at the plasma cutter.
Fig5. Power Supply
ROBOT3T- 3C MACHINERY CO., LTD
6/4, 328 Cao Lo Street, Ward 4, District 8, Hochiminh City, Vietnam
(+84) 97-490-8615
USER MANUAL THC3T-02 UP/DOWN Page 8 | 21
Fig 6. Connect ARC-voltage from divider board
CN 1
ROBOT3T- 3C MACHINERY CO., LTD
6/4, 328 Cao Lo Street, Ward 4, District 8, Hochiminh City, Vietnam
(+84) 97-490-8615
USER MANUAL THC3T-02 UP/DOWN Page 9 | 21
While being a universal THC, accepting full raw arc voltage for most any
plasma cutter on the market, an exciting new standard feature of this unit is the
addition of a 1:50 divider for an extremely fast, simple installation on most major
brands. There will most likely be a direct connection for this on the outside of the
plasma cutter's unit. Please refer to your plasma cutter owner's manual.
An example of how to connect the THC controller's measurement input with
the output of the very popular Hypertherm Powermax45® - The THC comes
Fig 7: Connecting the plasma source with DIVIDER
ROBOT3T- 3C MACHINERY CO., LTD
6/4, 328 Cao Lo Street, Ward 4, District 8, Hochiminh City, Vietnam
(+84) 97-490-8615
USER MANUAL THC3T-02 UP/DOWN Page 10 | 21
standard equipped with a low voltage output of 1:50 divider. This ratio is the
most commonly used division in most major brands and there will most likely be
a plug for this connection on the outside of the cutter's unit.
2.3 Potentiometer
To set height from torch to material by the potentiometer. (U mode on LEDs display)
Fig8. Plasma cutter with voltage divider 1:50 output
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2
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