HEIDENHAIN TNC 407 (243 020) Service Manual - Manual (Page 93)

SERVICE MANUAL TNC
Issue: 01.09.1995
Page 77
16.5 Offset Adjustment
16.5.1 Offset Adjustment with Code Number
The offset adiustment with code number compensates the current offset. Subsequent offset modifications
Press Key Function
Switch TNC to operating mode EDITING
Prepare TNC for input of code number
Enter code number for offset adjustment and
acknowledge with ENT
The offset values are displayed individually for each axis in converter increments
(TNC 407: 1 converter increment 0.61
TNC 415: 1 converter increment 0.153
The offset values are transferred to the offset
memory and are compensated.
The offset memory is cleared and no compensation
takes place.
16.52 Automatic Cyclic Offset Adjustment
In the machine parameter MP1220, the cycle time is determined [unit after which an offset is compensated
by one converter increment. To switch off the automatic offset adjustment, enter the value 0 in the machine
parameter MP1220.
NOTE:
If an offset voltage of 100
is reached with automatic offset adjustment, the control switches
itself off, generating the error message “GROSS POSITIONING ERROR