Mitsubishi Electric C70 Setup Manual page 6

1. Items related to product and manual
If the descriptions relating to the "restrictions" and "allowable conditions" conflict between this manual
and the machine tool builder's instruction manual, the latter has priority over the former.
The operations to which no reference is made in this manual should be considered impossible.
This manual is complied on the assumption that your machine is provided with all optional functions.
Confirm the functions available for your machine before proceeding to operation by referring to the
specification issued by the machine tool builder.
In some NC system versions‚ there may be cases that different pictures appear on the screen‚ the machine
operates in a different way on some function is not activated.
2. Items related to faults and abnormalities
If the battery low alarm is output, save the machining programs, tool data and parameters to an input/
output device, and then replace the battery. If the BATTERY alarm occurs, the machining programs, tool
data and parameters may be damaged. After replacing the battery, reload each data item.
3. Items related to connection
Incorrect connections may damage the devices, so connect the cables to the specified connectors.
When connecting to a personal computer and a unit with the RS-232/USB interface, an electric shock or a
unit failure may occur.
Operate these correctly according to the manual of a unit and a personal computer.
Observe the following cautions when a personal computer in an AC power supply is used.
(1) For a personal computer that uses a 3-pin power plug or power plug with a ground lead type, make sure to use
a plug socket including a ground input electrode or ground the earth lead, respectively.
And, ensure to ground a personal computer and a unit. (Ground resistance: 100Ω or less)
(2) For a personal computer that uses a 2-pin power plug without ground lead, make sure to connect the unit to
the personal computer according to the following procedures.
And, it is recommended to supply the same power supply line to a personal computer and the unit.
(a) Pull out the power plug of the personal computer from the AC outlet.
(b) Confirm that the power plug of the personal computer has been pulled out from the AC outlet, and
connect RS-232/USB cables, the extension cable or the bus connection cable of a GOT.
(c) Insert the power plug of the personal computer into the AC outlet.
4. Items related to setup
Always set the stored stroke limit. Setting no limits could result in collision with the machine end.
5. Items related to servo/spindle parameters
Do not make remarkable adjustments or changes of the parameters as the operation may became unstable.
In the explanation on bits, set all bits not used, including blank bits, to "0".
CAUTION
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