July 2010 15 – 219
15 Loading of Service Packs
15.1 Introduction
Errors in the current HEIDENHAIN NC software are corrected by means of service packs.
Service packs are loaded in addition to the NC software.
The service pack must match the released NC software version.
The latest service pack version includes all changes of earlier versions, i.e., it is sufficient to
load only the service pack with the highest version number.
It is not necessary to convert data (binary to ASCII) and to backup the non-volatile PLC
operands.
In addition to loading a Service Pack the machine tool builder can update the PLC program or
the machine parameter with the control file setup.ini.
Display on
the screen
If a service pack is installed on the iTNC 530, a corresponding message is shown after the
control is booted (before confirming the the Power interrupted message).
The machine manufacturer, however, may overlap this message window.
If you press the MOD key while the machine is switched on, you can see whether a service pack
is active. In this case you find the letters SP followed by the version number (e.g., 340490 04
SP6) after the ID number of the NC software.
There are different proceedings for the loading of service packs, depending on the NC software
version. On the following pages you will find the respective descriptions.
Normally a service pack must be loaded by or in agreement with the machine tool
builder.
If a service pack has already been installed, it will not be possible to install a service pack
with a lower version number. As of NC software 340 490-02, this is checked during the
installation of a service pack, and a message will be displayed if an error is found.
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