Rockwell Automation 1771-QA Stepper Positioning Assembly User Manual - Manual (Page 125)

5–5 Troubleshooting
Publication 1771-UM002A–EN–P – May 2000
Certain combinations of bits or an illegal bit state entered in the
moveset control word, single move control word and/or MX preset
word can cause a programming error. Refer to Table 5.C.
Table 5.C
Illegal Bit Combinations
Override Moveset Jog Forward Jog Reverse Of
fsest
–0– Axis Addr
.
Decel/Inst. Stop Glbal/Axis Reset Synch. Axis Mode Select Mode Select Start Identification Identification Load Jog Skip Rate Multiplier Move Preset Init. Preset
Moveset Control Word Single Move Control Word
MS
Preset
Word
17 16 15 14 13 12 11 10 07 06 05 04 03 02 00 17 17 16 03 02 01 00 01
1
0
1
0
0
1
1
1
1
1
1
1
1
1 1
1
1
0
1
1
Any of the above bit combinations are illegal in the same row
10618
Axis Addr
.
1
1
1
Illegal Bit Combinations