Nc Software Switch Procedure On Controls With Eproms - HEIDENHAIN TNC 426 PB/M Technical Manual

Table of Contents

NC software switch

procedure on

controls with

December 2001

The software must be exchanged only by trained personnel.

The READ_MP.A file on the provided floppy disks contains information on

machine parameters. The README.TXT file provides notes on the software

Any contact with statically charged objects or handling without MOS

protection can destroy the EPROMs!

In the PROGRAMMING AND EDITING mode of operation, press the MOD

Enter the code number 95148 and confirm with ENT.

In the machine-parameter-editing mode of operation, press the MOD key.

Ensure that the free space on the hard disk is at least 50% the size of the

occupied space. If that is not the case you must save the files to a PC, e.g.,

with the PC software TNCBACK.EXE, TNCremo or TNCremoNT.

Press the UPDATE DATA and CONVERT BIN -> ASC soft keys to change

the files on the hard disk from binary to ASCII format.

Equivalent file name extensions in binary and ASCII format

The name and path of a log file can be entered after Path = in the header.

Danger of electrical shock! Disconnect the power before opening the unit.

After conversion, switch the control off.

Exchange the EPROMs on the processor board with the IC

extraction/insertion tool: expansion slots, see graphic.

After exchanging the EPROMs, switch the TNC on again.

Complete or erase the machine parameters. Information about the machine

parameters can be found on the READ_MP.A file on the first provided setup

disk, or on the TNC in the directory PLC:\JH\.

Exit the machine parameter editor: Press the END key. The message

LANGUAGE LOAD ERROR appears.

Connect the TNC to a PC through a serial data interface or by Ethernet.