624
(6) Program example
(a) Program to restore the absolute position of axis 1.
The X47 to X49 and Y50 to Y52 are used for communication with the servo amplifier.
X47: ABS data bit 0
X48: ABS data bit 1
X49: Transmission data READY flag
Y50: Servo ON signal
Y51: ABS transfer mode
Y52: ABS request flag
D42 to D45 reset
Error code transmission to D49
ABS data bit 0 ON/OFF
ABS data bit 1 ON/OFF
Transmission data preparation complete flag
ON/OFF
Z.ABRST1 instruction execution
796
788
802
823
(1) Absolute position restoration command acceptance
(3) ABS data setting and ABRST1 instruction execution
(2) Setting of transmit data to servo-amplifier and confirmation of absolute position restoration completion
ABRST1 instruction completed when M42 is ON and M43 is OFF.
Absolute position data restoration completed when status = 0.
Summary of Contents for MELSEC-L LD75D
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Page 685: ...683 APPENDICES A Appendix 1 Function Update Appendix 1 1 Function comparison Memo ...
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