Siemens SINUMERIK 840Di Function Manual page 1123

The oscillation speed is taken from machine data:
MD35400 SPIND_OSCILL_DES_VELO
MD35010
GEAR_STEP_CHANGE_
ENABLE = 0
Pos = 0
Pos = 1
Pos = 2
Pos = 3
Pos = 4
Pos = 5
4. Traverse indexing axis:
The following signals are relevant:
Start:
Funct:
Note
With
Funct: "4" = Indexing axis
The modulo conversion can be compared with approaching the indexing position via
POS[AX] = CIC (value) in the part program.
Mode:
AxisNo:
Pos:
FRate:
InPos:
Error:
State:
Power Line Basic PLC Program (P3)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Function
Oscillation
Oscillation
Oscillation
Oscillation
Oscillation
Oscillation
Initiation signal
"4" = Indexing axis
Positioning mode 0, 1, 2, 3, 4
Number of machine axis
Indexing position
Positioning speed; if FRate = 0,
the value is taken from machine data POS_AX_VELO
(unit as set in machine data).
Is set to "1" when position is reached with "Exact stop fine".
With positioning error = "1"
Error code
MD35010: Function
GEAR_STEP_CHA
NGE_ENABLE = 1
Pos = 0
Pos = 1 Oscillation with gear stage change
M41
Pos = 2 Oscillation with gear stage change
M42
Pos = 3 Oscillation with gear stage change
M43
Pos = 4 Oscillation with gear stage change
M44
Pos = 5 Oscillation with gear stage change
M45
Detailed description
2.12 Block descriptions
2-211