Reference Guide

PMAC Quick Reference Guide
96 Appendix F – I/O Suggested M-Variable Definitions
Control-Panel Port Input Bits Definition
Jog Minus Input M20->Y:$FFC0,8,1
Jog Plus Input M21->Y:$FFC0,9,1
Prejog Input M22->Y:$FFC0,10,1
Start (Run) Input M23->Y:$FFC0,11,1
Step/Quit Input M24->Y:$FFC0,12,1
Stop (Abort) Input M25->Y:$FFC0,13,1
Home Command Input M26->Y:$FFC0,14,1
Feed Hold Input M27->Y:$FFC0,15,1
Motor/C.S. Select Input Bit 0 M28->Y:$FFC0,16,1
Motor/C.S. Select Input Bit 1 M29->Y:$FFC0,17,1
Motor/C.S. Select Input Bit 2 M30->Y:$FFC0,18,1
Motor/C.S. Select Input Bit 3 M31->Y:$FFC0,19,1
Selected Motor/C.S. Number M32->Y:$FFC0,16,4,C
Thumbwheel Port Bits Definition
SEL0 Output M40->Y:$FFC1,8,1
SEL1 Output M41->Y:$FFC1,9,1
SEL2 Output M42->Y:$FFC1,10,1
SEL3 Output M43->Y:$FFC1,11,1
SEL4 Output M44->Y:$FFC1,12,1
SEL5 Output M45->Y:$FFC1,13,1
SEL6 Output M46->Y:$FFC1,14,1
SEL7 Output M47->Y:$FFC1,15,1
SEL0-7 Outputs byte M48->Y:$FFC1,8,8,U
DAT0 Input M50->Y:$FFC1,0,1
DAT1 Input M51->Y:$FFC1,1,1
DAT2 Input M52->Y:$FFC1,2,1
DAT3 Input M53->Y:$FFC1,3,1
DAT4 Input M54->Y:$FFC1,4,1
DAT5 Input M55->Y:$FFC1,5,1
DAT6 Input M56->Y:$FFC1,6,1
DAT7 Input M57->Y:$FFC1,7,1
DAT0-7 Inputs byte M58->Y:$FFC1,0,8,U
To clear all existing definitions M0..1023->*
Servo cycle counter M0->X:$0,0,24,U