HEIDENHAIN TNC 640 (34059x-02) ISO programming - Manual (Page 538)

MOD functions
18.2 Machine settings
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TNC 640 | User's Manual for DIN/ISO Programming | 5/2013
If you assign the access right Query to a connection and access is
implemented from this address, the TNC opens a pop-up window.
You must permit or deny external access in the pop-up window:
External access Permission
Yes Permit once
Always Permit continuously
Never Deny continuously
No Deny once
In the overview list an active connection is shown
with a green symbol.
Connections without access rights are shown gray in
the overview list.
Machine-dependent function: You can permit
or restrict access for external diagnostics or
commissioning software with the TNCOPT soft key.
Select kinematics
The Select Kinematics function must be enabled and
adapted by the machine manufacturer.
Refer to your machine manual.
You can use this function to test programs whose kinematics
does not match the active machine kinematics. If your machine
manufacturer saved different kinematic configurations in your
machine, you can activate one of these kinematics configurations
with the MOD function. When you select a kinematics model for
the test run this does not affect machine kinematics.
Danger of collision!
When you switch the kinematics model for machine
operation, the TNC implements all of subsequent
movements with modified kinematics.
Ensure that you have selected the correct kinematics
in the test run for checking your workpiece.