Introduction
This manual is referred to when using the C70.
This manual explains how to operate the screens of the C70. Read this manual thoroughly
before using the CNC unit. To safely use this CNC unit, thoroughly study the "Precautions for
Safety" on the next page before use.
Details described in this manual
CAUTION
For items described in "Restrictions" or "Usable State", the instruction manual issued by the
machine manufacturer takes precedence over this manual.
An effort has been made to note as many special handling methods in this user's manual.
Items not described in this manual must be interpreted as "Not Possible".
This manual has been written on the assumption that all option functions are added.
Refer to the specifications issued by the machine manufacturer before starting use.
Refer to the manuals issued by the machine manufacturer for each machine tool
explanation.
Some screens and functions may differ or may not be usable depending on the NC version.
In this NC unit, the machining programs, parameters and tool compensation data are saved in the
memory (memory elements). This NC unit's memory is backed up by lithium batteries, and under
normal conditions will last 6 years from the date of manufacture. However, data contents could be lost
under the conditions described below.
To prevent data loss, output important programs, parameters, etc., to the external memory devices
and save them.
Data in the memory can be lost under these kinds of conditions.
(1) Incorrect operation
Data can be lost if the operator inadvertently changes data while editing a program or setting
parameters.
(This is not really a data loss, but it is a loss from the standpoint that the original data is gone.)
Data can be lost if the operator inadvertently deletes data or initializes NC unit.
(2) Battery life expires
When the battery life expires and there is not enough voltage to store the data in the memory,
data can be lost by turning the power OFF.
(3) Faults
Data can be lost when faults occur and the control unit must be replaced.
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