HEIDENHAIN TNC 335 Technical Manual - Manual (Page 232)

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TNC 360 6 Display and Operation 4-135
6.13 Memory test
A machine parameter can be used to select if the RAM and the EPROM memory areas should be
tested upon switching on the control.
MP7690 Memory test at switch-on
Input range: 0 to 3
Bit 0 RAM test + 0 = Memory test at switch-on
+ 1 = No memory test at switch-on
Bit 1 EPROM test + 0 = Memory test at switch-on
+ 2 = No memory test at switch-on
6.14 End of program run
In the operating modes "Program run, single block" or "Program run, full sequence", if the end of the
program is reached, the NC sets the marker M2061. This marker is only reset at the start of the next
program.
The information "End of program" can be evaluated by the PLC. This is necessary when operating,
for instance, with a pallet changer.
Set Reset
M2061 END PGM, M02 or M30 has been executed NC NC
6.15 Overwrite Q parameters overwriting
The values in the Q Parameters Q100 to Q107 can be overwritten by the PLC. In this way
information from the PLC can be transferred to the machining program.
The value which is to be transferred is stored in Doubleword D528. The Q parameter which is to be
overwritten is defined in Word W516. The transfer is initiated by the strobe marker M2713.
The Doubleword D528 has a multiple usage. See also sections "PLC positioning" and "Datum shift."
W516 Number of the Q parameter to be overwritten
(Q100 to Q107 = 0 to 7)
D528 Value to be transferred to the Q Parameter
Set Reset
M2713 Activate the transfer of the value from D528 to the PLC NC
Q Parameter defined in W516