Plc Cycle Time - HEIDENHAIN TNC 415 Technical Manual

Marker Function
M2667 No standstill monitoring axis 4
M2668 No standstill monitoring axis 5
M2810 Data format of a numerical value in M2560 to M2576
M2811 Data format of a numerical value in M2560 to M2576
M2812 Data format of a numerical value in M2560 to M2576
M2820 Update the central tool file
M2821 Strobe for updating the central tool file
M2822 Strobe for % factor for spindle voltage
M2823 Select ramp pairs for S analogue

5.3.5 PLC Cycle Time

The contouring controls of the TNC 355, TNC 407 and TNC 415 have different PLC cycle times. This
must be remembered when using the timers and counters.
Contouring Control
TNC 355 without
extended memory
TNC 355 with
extended memory
TNC 407
TNC 415
7-186 TNC 407/TNC 415/TNC 425
PLC Cycle Time
20 ms
22 ms
24 ms
20 ms
5 Compatibility with TNC 355 01.98