Yaskawa YASNAC PC NC Programming Manual - Manual (Page 200)

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YASNAC PCNC Programming Manual Chapter 4: Enhanced Level Commands
• When the power is turned ON or when the NC is reset.
To specify G28 or G29 with the parameter setting of “pm4001 D0 = 0”, it is necessary
to turn OFF the mirror image function by specifying M94. If G28 or G29 is specified
without turning OFF the mirror image function, alarm “0127” occurs.
• When the M95 mode is set at power ON (pm4001 D0 = 1)
FIGURE 4.1.6.3 Example of Mirror Image Application (X-axis) to G28 Intermediate
Positioning Point
pm4000 D1 = 0 M94 mode (mirror image OFF)
pm4000 D1 = 1 M95 mode (mirror image ON)
pm4001 D2 = 0
Mirror image is applied to the intermediate positioning point
of G28.
pm4001 D2 = 1
Mirror image is not applied to the intermediate positioning
point of G28.