M-Series Operator’s Manual 4/9/15
9-8
DSP Probe Parameters
When using a DSP type probe (such as DP-4D), a few of the probing parameters have a slightly different behavior
than described above. These differences are noted below:
Probe Type (Parameter 155) – This specifies the probe type being used. This needs to be set to 1 for a DP-4D
probe or set to 2 for a DP-7 probe.
Repeatability tolerance for probing and radial digitizing (Parameter 151) – used for DP-4 probes. Must be set
to 0 for DSP probes.
Grid digitize prediction minimum Z pullback (Parameter 121) – set to 0.035 for DSP use.
Recovery Distance (Parameter 13) – Works as described above but additionally it used as the distance to retract
for a retry after a failed window (does not apply to M115/116/125/126 moves) (Default for DSP is 0.05). Note: If
probing small bores this parameter may need to be reduced accordingly.
Fast Probing Rate (Parameter 14) – When using a DSP type probe, this is actually the rate at which the probe
will move “in-between” actual probing moves. For instance, if you were probing a boss, this is the rate at which
the probe will travel for the following moves:
1. When retracting from the surface after a point has been probed.
2. When retracting to the Z clearance position.
3. Rate at which it will traverse across the diameter of the boss at the Z clearance height.
4. Plunge rate to get to probing depth.
Note: When measuring a TOOL with the TT1, the behavior is identical to that listed above.
Slow Probing Rate (Parameter 15) – Used only when measuring a TOOL with the TT-1.
Additional Probe Parameters for DP-7
For the DP-7 probe (parameter 155 = 2), the following additional parameters are utilized:
DP-7 Pullback Distance (Parameter 392) – This sets the distance the probe moves off from the surface after a
probing move.
DP-7 Pullback Feedrate (Parameter 393) – This sets the feedrate for the pullback move.
DP-7 Measuring Feedrate (Parameter 394) – This sets the feedrate for the slow measuring move.
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