Siemens SINUMERIK 828D

S1: Spindles
16.4 Configurable gear adaptation
Basic Functions
1302 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
5. N05 (part program, refer below) is executed:
The gear stage is changed to gear stage1.
From the NC:
- the following NC/PLC-interface signal is set:
DB31, ... DBX82.3 (change over gear stage)
- the setpoint gear stage1 is signaled to the PLC:
DB31,...DBX82.0 = 1
DB31,...DBX82.1 = 0
DB31,...DBX82.2 = 0
6. Mechanical gear stage change, acknowledgement
If the gear stage is selected, then from the PLC:
- the following NC/PLC-interface signal is set:
DB31, ... DBX16.3 (gear is changed)
- Actual gear stage1 signaled to the NC:
DB31,...DBX16.0 = 1
DB31,...DBX16.1 = 0
DB31,...DBX16.2 = 0
7. N80 is executed:
Due to the optimization of the gear stage change frequency in the part program, the gear stage is not
changed.
Part program:
Configuring data for spindle 1 (AX5):
MD35010 $MA_GEAR_STEP_CHANGE_ENABLE[AX5] = 1 (enable gear stage change)
Program code Comment
N05 M41 ; Select 1st gear stage
...
N80 M41 ; No gear stage change, if the 1st gear stage is selected.