myCNC-UP3 controller User Manual myTHC
Contents
1. ay aa 7 Hg ey at E ne Chug fog F hleva m g Ol id E R Nile E t Figure 2 myTHC RU01 controller board outline 2 3 Power supply Two power supplies are used for the torch height control board For control the 24VDC power supply is used For motor power anadditional 24 48V DC power supply is required depends on DC brushed motor type Connector X1 is used for the control power supply 24V DC connection Table 1 Control Power supply X1 pin description Pin nr Desoripton oS l GND COMMON 2 24V DC Connector X11 is used for Motor power supply Table 2 Motor Power supply X11 pin description 1 24 48V DC 2 GND COMMON myCNC CNC control and software 2012 http www bevelcutting com 7 If the 24V DC power supply is enough to drive a motor only one power supply can then be used for the board In this case jumper J6 should be closed and connectors X1 or X11 may be left unconnected WARNING be careful connection two different power supplies while J6 is closed will cause damage of the THC board or the Power supplies If DC brushed motor is not used to drive the Z axis both J6 and X11 connectors should be left opened disconnected 2 4 Plasma Arc voltage connection Plasma arc voltage is used for height sensin2. board communicates with myCNC software trough myCNC controllers myCNC ET1 myCNC UP3 myCNC ET2 and and keeps a stable distance between the plasma cutting torch and the metal sheet Depending on programmed configuration MyTHC control board e directly drives the Z axis DC brushed motor with integrated DC brushed driver amplifier up to 48V 3Amps Max or e drives the myCNC controller Z axis servo or stepper motor driver through the communication interace Technical specification e Main processing unit ARM Cortex M3 100MHz microcontroller e Advanced PI regulation to perform torch height control e Dual power supply e 24V DC for control electronics e 24 48V DC for DC brushed motor power e 2 channel Plasma voltage measure 0 300V DC e 6 general purpose binary inputs e Power MOSFET transistor H bridge for DC brushed motor driver amplifier e Optional 2 channel 7 segment LED indicator and encoders inputs for manual setup torch height parameters and Plasma voltage display 3 general purpose transistor key outputs open collector 24V 100mAmps Max 1 general purpose ADC input 0 5 V USB slave connectors for diagnostic configuration and reflashing RS485 bus for interface THC control with CNC controller and CNC control software e Dimensions 150mm L x 100mm H x 50mm W For communication between controller and the myCNC controller a specially designed binary half duplex master slave protocol is used 2 MyTHC RUO01 connec
3. g It s better to connect plasma arc voltage directly to torch nozzle Some plasma torches have special mounting Plasma power source voltage a torch electrode voltage can be used for height sensing also but precision response time and stability will be worse Table 3 Plasma arc voltage connection X4 pin description Description 1 Plasma arc voltage up to 300V measuring 2 N C 3 N C 4 Power source voltage up to 300V measuring 2 5 DC brushed Motor connection Table 4 Motor connection XT1 pin description Description S O 5V DC to position sensor Position sensor to ADC1 on the THC board GND COMMON GND COMMON Motor phase A Motor phase B U BQ Ne nN Pins 1 3 may be connected to the resistor based position sensor that is present on some models of linear DC actuators Optional feature 2 6 Binary inputs outputs connection There are two connectors are used for binary inputs outputs signals X8 amp X5 Table 5 Binary inputs outputs Connector X5 pin description Pinn Description S O myCNC CNC control and software 2012 http www bevelcutting com 8 2 INS 3 IN4 4 IN3 5 IN2 6 OUT3 7 OUT2 8 GND COMMON 9 GND COMMON 10 GND COMMON 11 GND COMMON 12 GND COMMON 13 24V DC 14 24V DC Table 6 Binary inputs outputs Connector X8 pin description Pi
4. installed on the board For Windows FT232RL USB to serial converter drivers should be installed on the system You can find the drivers in myCNC software distributive package or download it directly from FTDI web site try to Google ftdi chip ft232 To update firmware 1 Host PC should be connected to the Internet 2 Download firmware burner utility 3 Extract file from archive for Linux the downloaded file is tar gz archive use command tar zxf burner mythc r2 tar gz for Windows the downloaded file is zip archive Use internal Windows tools assigned with right mouse button to extract the files myCNC CNC control and software 2012 http www bevelcutting com 10 4 Connect the board with Host PC via USB and power up the board 24V DC power supply with X1 5 Close Jumpers J1 Reset amp J2 on the board 6 Run the utility If you see message Synchronizing ESC to abort then you have about 5 seconds to open J1 jumper Reflash process should start After the process finished you may open J2 jumper and restart power off wait 2 seconds power on the board REP sa SKG er ajajana E i Figure 4 myTHC RU01 board J1 amp J2 location myCNC CNC control and software 2012 http www bevelcutting com 11
5. myCNC control amp software MyTHC RU01 r2 Torch Height control for Plasma cutting User manual rev 0 03 2012 0424 Hei ein alte Be O VP tet myCNC http www bevelcutting com email sk bevelcutting com 195257 Russia Saint Petersburg myCNC CNC control and software 2011 http www bevelcutting com 1 Severny st 73 1 91 myCNC CNC control and software 2011 http www bevelcutting com Using This Manual This user manual provides information for proper installation of the myTHC RUO1 Torch height controller WARNING Machinery in motion can be dangerous It is the responsibility of the user to design effective error handling and safety protection as part of the machinery myCNC shall not be liable or responsible for any incidental or consequential damages Table of content Introd etion rren oa eatie esd dana Goi ae gia Ee EERS 5 DMYTRO CONNECTION de ad 5 2 1 MY TAG ROL board preview ss 5 2 2 My HELE ZR OVP CB o tlihe cicne sieniniai ieis 6 2 3 POWET Pee 7 2 4 Plasma Arc voltage CONMEC HON seiicusidass ss sssctesn evans tonal act vaudaupteastenecebeaucbuec cctewaiesntesstaetinelavtens 8 2 5 DC brushed Motor COMME C HOM ya 2X4 x5 cesses toy ar ces0e castes Geter autiae ae au oecievodea ce ones 8 2 6 Binary inputs outputs CONNECTION asics GMN heated eee ues 8 Deck USB Slave CONNEC HON Ky neninn asia sarte aai 9 2 8 Connection THC to CNC control through RS485 srrrrnrrrnrrrennrrrr
6. n nr Description 1 IN 1 2 OUT I 3 GND COMMON 4 24V DC Connector X8 may be used for IHC Initial height control 2 7 USB slave connection For USB connection a standard USB B connector is employed 2 8 Connection THC to CNC control through RS485 Table 7 RS485 bus Connector X3 pin description Pinn Description RS485 Al RS485 Bl Not Connected GND GND Not Connected Not Connected Not Connected O1oIPIJRIJG R QB IN Not Connected myCNC CNC control and software 2012 http www bevelcutting com 9 UART_A1 Nara UART B1 gt 2 SRIN N g ve 85 3 Sig 5 GND Figure 3 RS485 schematic design myTHC RUO1 3 MyTHC RU01 reflashing There isa utility available free of charge to reflash the THC controller with our most up to date version of firmware The procedure for reflashing is described below For reflashing the myTHC RUO1 board should be powered on and connected to the PC through the USB slave connector The PC computer should be connected to the Internet The reflashing utility is available for Windows and Linux on the bevelcutting com website for Linux http www bevelcutting com downloads burner mythc r2 tar gz for Windows http www bevelcutting com downloads burner mythc r2 win zip For Linux OS ftdi_sio module should be active on the system for USB to serial converter FT232
7. rernrrrsrrernrrrrrrrrrrsersrrnerennn 9 NYT HE RU Feasa aar 10 Table 1 Control Power supply X1 pin description errrrnrrrrnvernrrrenrrrnrnrerrrrnrrrrenrnsrerrnerenrnsersnnnne T Table 2 Motor Power supply X11 pin deseription serrernrrrrrrrnrrrrnrernrrrrrrrrnnrrrrrrrrersrrernreerrrerennn 7 Table 3 Plasma arc voltage connection X4 pin description ssssssesessesessresressessresressessresseresse 8 Table 4 Motor connection XT1 pin deseription seenrrronvernrrrrrrrrnrrrrnrernrrrrnrrrrnnernnernnresnneernnsenneennn 8 Table 5 Binary inputs outputs Connector X5 pin deseription eerrrrrrrrrnrrrrrrrrnrrrrrrrrrerrrrrrerrnnnne 8 Table 6 Binary inputs outputs Connector X8 pin deseription eerrrrsrrrrnrrrrrrrrnnrrrrrrrrrerrrrrrerrnnnne 9 Table 7 RS485 bus Connector X3 pin deseriptionuurnusesiniuaelndr res kinesere 9 Figure 1 myTHC RUO1 board preview ccceccccsseeeseeesceeesececeeeeeeseeenseceseeceaeenseecnseeeeaeeeeseaeeeees 6 Figure 2 my FHC RUOl controller board Outlines lt cssis ties les tatenctis gales dedi iebtavee seeaseed we 7 Figure 3 RS485 schematic design myTHC RUQ01 sessssssssssessssseesressseseessessresersssessessseessseeesse 10 Figure 4 my THC RUO1 board JI amp J2 location eee ecccesceeseeeseeeeseeeeeeeeeceeeeesecneeeeeeeeneaaes 11 myCNC CNC control and software 2012 http www bevelcutting com 4 1 Introduction The myTHC RUOI 12 is a Torch Height Controller board The
8. tion 2 1 MyTHC RUO01 board preview myCNC CNC control and software 2012 http www bevelcutting com 5 24 KEN FU SITUON p te h An vet Figure 1 my THC RU01 board preview 2 2 MyTHC RUO1 PCB outline myCNC CNC control and software 2012 http www bevelcutting com 110mm gt 4mm ll p 4 OOLQOROQ0NDD L000 0 00 00 AN f ta TEL 9 m OD PRI POOL
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