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CNC 8065 Programming, CNC 8065 T Turning canned cycles, CNC 8065T Examples CNC 8065TC Operating, CNC 8065 M canned cycles, CNC 8065M Examples CNC 8055-i T Operating, CNC 8055-i T Programming, CNC 8055-i T Examples More. CENTROID CNC Programming Operating Manuals Free Download ContentsCENTROID CNC Control ManualsCENTROID CNC Manuals CENTROID CNC Control Manuals CENTROID CNC Controls are for Milling machines, Lathes, Routers, Engraving, Knee mills. Heidenhain manuals are available in multiple languages. CNC machinists who work with Sinumerik cnc controls can freely browse and download manuals for their liking free of charge. Tormach PCNC 1100 and PCNC 770 operating and programming manuals are available to download. Walter tools catalog are free to download from Walter tools website. This is not only a Haas Operator’s Manual but more than that. From free to download Sinumerik CNC control Documentation to free to download Webinars. Siemens Sinumerik 808D Turning Overview SINUMERIK 808D Turning CNC is perfectly tailored to meet the requirements of modern standard turning machines. All rights reserved. Published by. CamInstructor Incorporated.Programming. EachSUMMARY OF CHANGES. General. This publication is issued with reference to Software Release 7.6 (E69). PAGE. No part of this documentation may be transmitted, transcribed, stored in a backup device or translated into another language without Fagor Automation’s consent. Unauthorized copying or distributing of this software is prohibited. It is possible that CNC can execute more functions than those described in its associated documentation; however, Fagor Automation does not guarantee the validity of those applications. In any case, Fagor Automation shall not be held responsible for any personal injuries or physical damage caused or suffered by the CNC if it is used in any way other than as explained in the related documentation. The information described in this manual may be changed due to technical modifications.
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Fagor Automation reserves the right to make any changes to the contents of this manual without prior notice. The content of this manual and its validity for the product described here has been verified. Even so, involuntary errors are possible, thus no absolute match is guaranteed. Anyway, the contents of the manual is periodically checked making and including the necessary corrections in a future edition. We appreciate your suggestions for improvement. All the trade marks appearing in the manual belong to the corresponding owners. The use of these marks by third parties for their own purpose could violate the rights of the owners. The examples described in this manual are for learning purposes. Before using them in industrial applications, they must be properly adapted making sure that the safety regulations are fully met. This product uses the following source code, subject to the terms of the GPL license. The applications busybox V0.60.2; dosfstools V2.9; linux-ftpd V0.17; ppp V2.4.0; utelnet V0.1.1. The librarygrx V2.4.4. The linux kernel V2.4.4. The linux boot ppcboot V1.1.3. If you would like to have a CD copy of this source code sent to you, send 10 Euros to Fagor Automation for shipping and handling. When machining one of the parts of these examples, use the speeds recommended by the tool manufacturer. FAGOR AUTOMATION, S.Coop. Ltda. reserves the right to modify the contents of the manual without prior notice. TOOLS List of tools used in these examples: EXAMPLE MANUAL 1 TOOL CALIBRATION Example of how to calibrate tool T2 using a part of known dimenstions (diameter: 60 mm, length: 100 mm). Note: The X axis operates in diameter. 2 EXAMPLE MANUAL Calibrating procedure 1. Edit the tool and tool offset tables with all the data known for each tool. Tool table: T2 D2 F0 N0 R0 Tool offset table: D2 X0 Z0 R0.4 F3 I0 K0 Tool geometry table T2 NOSEA 60 NOSEW 7 CUTA 100 2. Select the tool and tool offset to be calibrated. If accessing the tool offset table next.
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Offset D2 will show, for example, the following values: D2 X 57.456 Z 29.312 R 0.4 F3 I0 K0 Note: The values shown by the “X” field are always in radius. Being the Machine Zero point (home: 0.0), the face of the part, point (120,0) is going to be the new Part Zero. This example shows two ways to do this operation: manual mode and by program. Both methods use zero offset G54. Manual mode: 1. Select the zero offset table. Assigns the values X0 Z120 to the G54 zero offset table. G54. Selects and applies zero offset G54. 6 EXAMPLE MANUAL Programming in absolute (G90) and incremental (G91) coordinates. Programming in radius Programming in diameters Absolute coordinates (G90) Absolute coordinates (G90) G90 G95 G96 F0.15 S180 T2 D2 M4 M41 G0 X50 Z100 G1 X0 Z80. Point A G1 X15 Z65. Section A-B Z55. Section B-C X40 Z30. Section C-D Z0. Section D-E G0 X50 Z100 M30 G90 G95 G96 F0.15 S180 T2 D2 M4 M41 G0 X100 Z100 G1 X0 Z80. Point A G1 X30 Z65. Section A-B Z55. Section B-C X80 Z30. Section C-D Z0. Section D-E G0 X100 Z100 M30 Incremental coordinates (G91) Incremental coordinates (G91) G90 G95 G96 F0.15 S180 T2 D2 M4 M41 G0 X50 Z100 G1 X0 Z80. Point A G1 G91 X15 Z-15. Section A-B Z-10. Section B-C X25 Z-25. Section C-D Z-30. Section D-E G0 G90 X50 Z100 M30 G90 G95 G96 F0.15 S180 T2 D2 M4 M41 G0 X100 Z100 G1 X0 Z80. Point A G1 G91 X30 Z-15. Section A-B Z-10. Section B-C X50 Z-25. Point A G3 X20 Z70 I0 K-20. Section A-B G1 Z60. Section B-C G2 X30 Z30 I50 K0. Section C-D G1 X40. Section D-E G3 X50 Z10 I-19.9 K-22.45. Section E-F G1 Z0. Section F-G G0 X60 Z120 M30 G90 G95 G96 F0.15 S180 T2 D2 M4 G0 X60 Z120 G1 X0 Z90. Point A G3 X20 Z70 R20. Section B-C G2 X30 Z30 R50. Section D-E G3 X50 Z10 R30. Section E-F G1 Z0. Section F-G G0 X60 Z120 M30 Incremental coordinates (G91) Incremental coordinates (G91) G90 G95 G96 F0.15 S180 T2 D2 M4 G0 X60 Z120 G1 X0 Z90. Point A G91 G3 X20 Z-20 I0 K-20. Section A-B G1 Z-10. Section B-C G2 X10 Z-30 I50 K0. Section C-D G1 X10.
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Section D-E G3 X10 Z-20 I-19.9 K-22.45. Section E-F G1 Z-10. Section F-G G0 G90 X60 Z120 M30 G90 G95 G96 F0.15 S180 T2 D2 M4 G0 X60 Z120 G1 X0 Z90. Point A G91 G3 X20 Z-20 R20. Section B-C G2 X10 Z-30 R50. Section D-E G3 X10 Z-20 R30. Section E-F G1 Z-10. Point A G3 X40 Z70 I0 K-20. Section B-C G2 X60 Z30 I50 K0. Section C-D G1 X80. Section D-E G3 X100 Z10 I-19.9 K-22.45 Section E-F G1 Z0. Section F-G G0 X120 Z120 M30 G90 G95 G96 F0.15 S180 T2 D2 M4 G0 X120 Z120 G1 X0 Z90. Point A G3 X40 Z70 R20. Section B-C G2 X60 Z30 R50. Section D-E G3 X100 Z10 R30. Section E-F G1 Z0. Section F-G G0 X120 Z120 M30 Incremental coordinates (G91) Incremental coordinates (G91) G90 G95 G96 F0.15 S180 T2 D2 M4 G0 X120 Z120 G1 X0 Z90. Point A G91 G3 X40 Z-20 I0 K-20. Section B-C G2 X20 Z-30 I50 K0. Section C-D G1 X20. Section D-E G3 X20 Z-20 I-19.9 K-22.45 Section E-F G1 Z-10. Section F-G G0 G90 X60 Z120 M30 G90 G95 G96 F0.15 S180 T2 D2 M4 G0 X120 Z120 G1 X0 Z90. Point A G91 G3 X40 Z-20 R20. Section B-C G2 X20 Z-30 R50. Section D-E G3 X20 Z-20 R30. Section E-F G1 Z-10.End tool radius compensation. M30 Without tool radius compensation, the theoretical tool tip follows the programmed profile. The programmed profile (continuous line) does not coincide with the machined profile (dotted line). With tool radius compensation, the CNC recalculates the path so the machined profile coincides with the one programmed. 10 EXAMPLE MANUAL 8055T Inside turning of arcs and outside turning of straight sections.. 12 Inside arc facing and outside straight turning.. 14 Inside straight facing and outside arc facing.. 16 Inside roughing on the Z axis and outside arc turning.. 18 Inside straight turning and outside roughing on the Z axis.. 20 Inside and outside roughing on the X axis.. 22 Inside and outside taper threading.. 24 Inside and outside roughing on X. Outside grooving and threading.. 26 Outside pattern repeat. Inside grooving and threading.. 28 Inside and outside roughing on the X axis.
30 Programming examples: Canned cycles 11 Inside turning of arcs and outside turning of straight sections. Stock dimensions: O80x69mm. Inside grooving and threading. Selecting the radial live tool. G0 X100 Z150 T15 D15 M45 S-600 Operation 1 (Machining of the slot) G15 R36. G0 X90 Z-15 C0 G1 G94 X72 F100 M13 Z-35 G1 X90 Operation 2 (Grooving) G15 R37 G16 ZC G0 Z-50 C-125.664. Position at point A. G1 X74 F100 G91 C40 F50. Section A-B. Z-15. Section B-C. C28. Section C-D. Z15 C57.664. Section D-E. Z-15 C57.664. Section E-F. C28. Section F-G. Z15. Section G-H. C40. Section H-A. G90 X90 G0 Z10 M30 34 EXAMPLE MANUAL Machining a profile in the XC plane. Select the axial live tool. G0 X100 Z150 T16 D16 M45 S600 Operation 1 (Machining of a hexagon) G15. Select CHAMFER. Select ROUNDING. Select ROUNDING. Select TANGENTIAL EXIT. The CNC quits the profile editing mode and shows, in ISO code, the program that has been generated.Learn how we and our ad partner Google, collect and use data. No part of this documentation may be transmitted, transcribed, stored in a backup device or translated into another language without Fagor Automation’s consent. The information described in this manual may be subject to changes due to technical modifications. Fagor Automation reserves the right to change the contents of this manual without prior notice. Even so, involuntary errors are possible, hence no absolute match is guaranteed. However, the contents of this document are regularly checked and updated implementing the necessary corrections in a later edition. Some additional characters may follow the references mentioned above. They all comply with the directives listed. However, check that that's the case by checking the label of the unit itself. Referred to by this declaration with following directives: Low voltage regulations. EN 60204-1: 2006 Electrical equipment on machines — Part 1. General requirements. Regulation on electromagnetic compatibility. EN 61131-2: 2007 PLC — Part 2.
Requirements and equipment tests. In Mondragon, July 27th, 2010. The version history uses the following abbreviations: INST Installation manual PRG Programming manual OPT Operating manual OPT-MC Operating manual for the MC option. OPT-TC Operating manual for the TC option. OPT-CO Manual of the CO manual Software V01.00 October 2010 First version. Software V01.20 List of features April 2011 Manual Open communication. INST Improvements to Look Ahead machining. INST Blocks with helical interpolation in G51. PRG G84. Tapping with relief. PRG Software V01.08 August 2011 List of features Manual S.m.p. OPLDECTI (P86). INST Software V01.30 List of features September 2011 Manual Gear ratio management on Sercos spindles INST Improved feedrate limit management (FLIMIT). INST New type of penetration in lathe type threading cycles. PRG Improved lathe type thread repair. Partial repair. PRG MC option: Rigid tapping with relief. OPT-MC TC option: New type of penetration in threading cycles. OPT-TC TC option: Improved thread repair. Partial and multi-entry (start) thread repair. OPT-TC TC option: Zig-zag entry to the groove at the starting point of the groove. This unit may only be repaired by authorized personnel at Fagor Automation. Fagor Automation shall not be held responsible of any physical damage or defective unit resulting from not complying with these basic safety regulations. In order to avoid electrical discharges, connect the ground terminals of all the modules to the main ground terminal. In order to avoid risks or damages, do no work in explosive environments. This unit is ready to be used in industrial environments complying with the directives and regulations effective in the European Community. Fagor Automation shall not be held responsible for any damage suffered or caused when installed in other environments (residential or homes). It is recommended, whenever possible, to install the CNC away from coolants, chemical product, blows, etc.
This unit complies with the European directives on electromagnetic compatibility. Nevertheless, it is recommended to keep it away from sources of electromagnetic disturbance such as. Use a DC fan to improve enclosure ventilation. All the digital inputs and outputs have galvanic isolation via optocouplers between the CNC circuitry and the outside. They are protected by an external fast fuse (F) of 3.15 A 250V against overvoltage of the external power supply (over 33 Vdc) and against reverse connection of the power supply. The type of protection fuse depends on the type of monitor. See identification label of the unit itself. Only personnel authorized by Fagor Automation may manipulate the inside of this unit. Do not handle the connectors with the unit connected to main AC power. Symbol for danger or prohibition. It indicates actions or operations that may cause damage to people or to units. Warning symbol. It indicates situations that may be caused by certain operations and the actions to be taken to prevent them. Obligation symbol. It indicates actions and operations that must be carried out. It indicates notes, warnings and advises. WARRANTY TERMS INITIAL WARRANTY All products manufactured or marketed by FAGOR carry a 12-month warranty for the end user which could be controlled by the our service network by means of the warranty control system established by FAGOR for this purpose. In order to prevent the possibility of having the time period from the time a product leaves our warehouse until the end user actually receives it run against this 12-month warranty, FAGOR has set up a warranty control system based on having the manufacturer or agent inform FAGOR of the destination, identification and on-machine installation date, by filling out the document accompanying each FAGOR product in the warranty envelope.
This system, besides assuring a full year of warranty to the end user, enables our service network to know about FAGOR equipment coming from other countries into their area of responsibility. The warranty starting date will be the one appearing as the installation date on the above mentioned document. FAGOR offers the manufacturer or agent 12 months to sell and install the product. This means that the warranty starting date may be up to one year after the product has left our warehouse so long as the warranty control sheet has been sent back to us. This translates into the extension of warranty period to two years since the product left our warehouse. If this sheet has not been sent to us, the warranty period ends 15 months from when the product left our warehouse. This warranty covers all costs of material and labour involved in repairs at FAGOR carried out to correct malfunctions in the equipment. FAGOR undertakes to repair or replace their products within the period from the moment manufacture begins until 8 years after the date on which it disappears from the catalog. FAGOR has exclusive competence in deciding whether the repair enters within the term defined as the warranty period. EXCLUDING CLAUSES Repairs will be carried out on our premises. Therefore, all expenses incurred as a result of trips made by technical personnel to carry out equipment repairs, despite these being within the above-mentioned period of warranty, are not covered by the warranty. Said warranty will be applied whenever the equipment has been installed in accordance with instructions, has not be mistreated, has not been damaged by accident or by negligence and has not been tampered with by personnel not authorized by FAGOR. If, once servicing or repairs have been made, the cause of the malfunction cannot be attributed to said elements, the customer is obliged to cover the expenses incurred, in accordance with the tariffs in force.
Other warranties, implicit or explicit, are not covered and FAGOR AUTOMATION cannot be held responsible for other damages which may occur. CONCEPT Covers parts and labor for repairs (or replacements) at the network's own facilities. EXCLUDING CLAUSES The same as those applied regarding the chapter on initial warranty. If the repair is carried out within the warranty period, the warranty extension has no effect. When the customer does not choose the standard repair and just the faulty material has been replaced, the warranty will cover just the replaced parts or components within 12 months. For sold parts the warranty is 12 moths length. If the original packaging material is not available, pack it as follows: 1. Get a cardboard box whose three inside dimensions are at least 15 cm (6 inches) larger than those of the unit. The cardboard being used to make the box must have a resistance of 170 kg. (375 pounds). 2. Attach a label indicating the owner of the unit, person to contact, type of unit and serial number. 3. In case of failure, also indicate the symptom and a short description. 4. Wrap the unit in a polyethylene roll or similar material to protect it. 5. When sending the central unit, protect especially the screen. 6. Pad the unit inside the cardboard box with polyurethane foam on all sides. 7. Seal the cardboard box with packing tape or industrial staples.Before turning the unit on, verify that the ground connections have been properly made. To prevent electrical shock at the central unit of the 8055 CNC, use the proper mains AC connector at the power supply module. Use 3-wire power cables (one for ground connection). In case of a malfunction or failure, disconnect it and call the technical service. Do not get into the inside of the unit. USER-M manual Directed to the end user. It describes how to operate and program in M mode. USER-T manual Directed to the end user. It describes how to operate and program in T mode. MC Manual Directed to the end user.
It describes how to operate and program in MC mode. It contains a self-teaching manual. TC Manual Directed to the end user. It describes how to operate and program in TC mode. It describes how to operate and program in MCO and TCO mode. Examples-M manual Directed to the end user. It contains programming examples for the M mode. Examples-T manual Directed to the end user. It contains programming examples for the T mode. WINDNC Manual It is directed to people using the optional DNC communications software. It is supplied in a floppy disk with the application. WINDRAW55 Manual Directed to people who use the WINDRAW55 to create screens. The new part-program edited can be stored in the CNC's RAM memory, in the hard disk (KeyCF) or in a remote disk. It is also possible to save a copy of the part-programs in a PC connected through the serial line. Option: Utilities\ Directory\ Serial L.\ Change directory. In the edit mode, it is possible to modify the part-programs located in the CNC's RAM memory, in a hard disk (KeyCF) or in a remote disk. Execution Part-programs stored anywhere may be executed or simulated. The user customizing programs must be in RAM memory so the CNC can execute them. The GOTO and RPT instructions cannot be used in programs that are executed from a PC connected through the serial line. Only subroutines stored in the CNC's RAM memory can be executed. Therefore, to execute a subroutine stored in a PC or in the hard disk, it must be copied into the CNC's RAM memory. From a program in execution, it is possible to execute another program located in RAM memory, in a PC or in the hard disk using the EXEC instruction. Utilities The utilities mode, lets display the part-program directory of all the devices, make copies, delete, rename and even set the protections for any of them. See the subroutine directory of. Yes Yes Yes No Yes No Create the work directory from. Change the work directory from. No No No No No Yes Edit a program from. Modify a program from.
Delete a program from. Yes Yes Yes Yes Yes Yes Yes Yes Yes Rename a program from. Change the comment of a program from. Change the protections of a program from. Yes Yes Yes Yes Yes Yes No No No Execute a part-program from. Execute a user program from. Execute a PLC program from. Execute programs with GOTO or RPT instructions from. Execute subroutines residing in. Execute programs with the EXEC instruction, in RAM from. Execute programs with the EXEC instruction, in hard disk from. Execute programs with the EXEC instruction, in DNC from. Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes No Yes Yes Yes Yes No No No No Yes Yes No Open programs with the OPEN instruction, in RAM from. Open programs with the OPEN instruction, in hard disk from. Open programs with the OPEN instruction, in DNC from. Yes Yes Yes Yes Yes Yes Yes Yes No Via Ethernet: See from a PC the program directory of. See from a PC the subroutine directory of. See from a PC, a directory in. The last message received will be shown regardless of where it has come from. 4. This window will display messages from the PLC. If the PLC activates two or more messages, the CNC will always display the one with the highest priority, which is the message with the smallest number. In this way, MSG1 will have the highest priority and MSG255 will have the lowest. The screens which are active will be displayed, one by one, if the ACTIVE PAGES option is accessed in the PLC mode. 5. Main window. Depending on the operating mode, the CNC will show in this window all the information necessary. When a CNC or PLC error is produced the system displays this in a superimposed horizontal window. The CNC will always display the most important error. The CNC will understand that capital letters are required whenever this is active. Specific keys to select canned cycles in the MC and TC work modes. Press any key to restore its normal state. It may be used in any operating mode.
Press the same keystroke sequence to restore the previous display. When pressing this key in the editing and simulation modes, one edits the last program simulated or executed. If the corresponding program is being executed or simulated, one will edit the one that was last edited. When pressing this key in any other work mode, it starts editing the last program edited. If there is no previous program, it requests the name of a new program. Pressing this key starts the simulation of the last program edited, simulated or executed. If the simulation or execution mode is active, only the active mode will be shown, no program is selected. If the corresponding program is being executed or simulated, it issues a warning. Pressing this key starts the execution of the last program edited, simulated or executed. Operating manual Layout of the operator panel Depending on the utility of the different parts, the CNC operator panel may be considered to be laid out as follows. 1. Position of the emergency button or electronic handwheel. 2. Keyboard for manual movement of axes. 3. Selector switch with the following functions: Select the multiplication factor of the number of pulses from the electronic handwheel (1, 10 or 100). On the lower part of the screen the main CNC menu will be shown, it being possible to select the different operating modes by means of the softkeys F1 thru F7. If this softkey is pressed the CNC will show the rest of the options available. SIMULATE Allows simulation of parts programs in several modes. EDIT Allows editing new and already-existing part programs. JOG Allows manual control of the machine by means of the operator panel keys. TABLES Allows CNC tables relating to part programs (zero offsets, tool offsets, tools, tool magazine as well as global or local arithmetic parameters) to be manipulated. UTILITIES Allows program manipulation (copy, delete, rename, etc.) STATUS It shows the CNC status and that of the DNC communication lines.
It also lets activate and deactivate the communication with a PC through DNC. PLC Allows operation with the PLC (edit the program, monitor, change the status of its variables, access to the active messages, errors, pages, etc). SCREEN EDITOR Allows, by means of a simple graphics editor, the creation of user-defined screens (pages), which can later be activated from the PLC, used in customized programs or presented when the unit is powered on (page 0). MACHINE PARAMETERS Allows the machine parameters to be set to adapt the CNC to the machine. DIAGNOSIS Runs a test of the CNC. While the CNC is executing or simulating a part program it allows any other type of operating mode to be accessed without stopping the execution of the program. In this way it is possible to edit a program while another is being executed or simulated. Help systems OPERATING MODES The following assistance is available: Operating assistance This is accessed from the operating mode menu, or when one of these has been selected but none of the options shown have been selected. In all these cases, the softkeys have a blue background color. It offers information on the operating mode or corresponding option. Editing assistance This is accessed once one of the editing options has been selected (part programs, PLC program, tables, machine parameters, etc.). In all these cases, the softkeys have a white background color. It offers information on the corresponding option. While this information is available, it is possible to continue operating with the CNC. If another page corresponds to it, it displays this instead of the previous one and if the same one corresponds, it recovers the information which was in the main window before requesting help. It offers information on the corresponding canned cycle and an editing assistance for the selected canned cycle is obtained at this point. For the user's own cycles a similar editing assistance can be obtained by means of a user program.
This program must be prepared with screen customizing instructions. The CNC will show the information which existed on the main window before requesting help and allows programming of the canned cycle to continue in the editing window. Help systems 2. Once all the fields or parameters of the canned cycle have been defined the CNC will show the information existing in the main window before requesting help. Loading the version To install a version, the user must follow the following procedure: 1. Select, in the left panel, the unit containing the new version to be installed. If the interruption takes place while saving into the flash memory, it first checks the version file. Operating manual KeyCF (KeyCompactFlash) The KeyCF will store the CNC configuration, i.e. the validation code, the software options, user screens, PLC program backups and machine parameters. The CNC selects a folder of a USB device and it considers it like its own hard disk. The CNC selects a directory of a PC shared in the network and it considers it like its own hard disk. From the user's point of view, the CNC has a remote hard disk.The files for the parameters of an axis and for leadscrew compensation are stored in the hard disk by the axis name. Within the parameter table for an axis, it will offer the option to. The same procedure will be applied with the option. The rest of the subdirectories are not accessible. Via FTP It is possible to access (read and write) tables, machine parameters, graphic files and programs from the network via FTP. This option makes it possible to communicate with other PC's to transfer files or carrying out telediagnostic tasks.To communicate with the CNC, the PC must be configured just like another node within the local area network or Internet and it must have the WinDNC (V4.0 or later) installed. The communication through Ethernet does not require the DNC option.Refer to the chapter on machine parameters for Ethernet in the installation manual.
As remote hard disk, it is possible to use the hard disk of a PC or just a folder. This memory space may be shared by several CNC's or each may have its own memory space. The PC that makes its hard disk (server) public must be connected to the local network. When accessing the CNC through WinDNC or FTP, the remote hard disk behaves like a local hard disk. Protocol used The NFS protocol is used to communicate with the remote hard disk. This protocol must be available at the PC that is used as server. The access to a DNC server is configured by machine parameters. Refer to the chapter on machine parameters for Ethernet in the installation manual. Possible connections: 3. The connection may be initiated at any PC and addressed to any CNC. Two PC's cannot be connected to each other. The DNC server is defined by machine parameters. Communication status As with the communication via serial line, the DNC status screen shows its status through Ethernet. The connection may be activated and deactivated from the softkey menu. Connection to a PC through WinDNC i It is possible to connect several WinDNC (up to 10) simultaneously to the same CNC. The access protection is by operation. If several WinDNC initiate an operation, the commands are processed one by one while the rest of the WinDNC's wait. Only the CNC's hard disk may be accessed; i.e. it is not possible to access programs in RAM nor read variables, tables, etc.