173
First Spark Detection Setup (900E Only) – F 46
(Continued)
SPARK MAN – Manual First Spark Detection
NOTE: You must also set up the desired EDM features using the procedures described
in Relay 1 (Z-Depth Guard) Setup – F 38 and Relay 2 (Spark-
Out/SparkArrest
TM
) Setup – F 39.
1. Position the electrode in the desired X and Y positions.
2. Press to activate EDM Mode.
The DRO displays the following in the message window:
Wait spark
3. Lower the electrode until it touches the workpiece or the first spark occurs. This is
the zero position.
4. Press the Z-axis key to manually activate EDM
Mode.
q Axis 1 display now indicates the distance to the target depth.
q Axis 2 display indicates the target depth.
q Z-axis display indicates the actual Z-position relative to the zero position.
5. Start the sparking cycle.
6. Press to toggle between EDM
Mode and X-, Y-, and Z-axis
display mode.
When the electrode reaches the Target Z-Depth, Relay 1 will switch. This can be used
to terminate the main sparking cycle.
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