Rockwell Automation 1771-QC , D17716.5.25 SER/B SERVO POS - Manual (Page 129)

Formatting and Interpreting Data Blocks
Chapter 7
7Ć47
If the end-of-program bit is off, a start command can start execution of the
moveset specified in the next moveset pointer.
Bit 15 Inch/Metric
Bit 15 determines how the servo positioning assembly interprets positions,
feedrates, and accel/decel rates entered in the moveset block.
If you want the units
to be:
Then set bit 15
to:
inch 0
mm 1
Single Move Control Word (SMCW)
For each move in a moveset, you must enter a single move control word
(SMCW). The SMCW specifies move characteristics and determines how
the servo positioning assembly interprets the words that follow it
(Figure 7.33).
Figure 7.33
Single Move Control Word (SMCW)
17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00
Single Move Control Word (SMCW)
1 1 0 0 0 0 0 0
0 = Single-step
1 = Continous
0 = Run
1 = Halt
1 = Local feedrate
0 = Global feedrate
1 = Local acc/dec
0 = Global acc/dec
SMCW ID
0 0 0 = Move to Position
0 0 1 = Constant Velocity
0 1 0 = Move to Position with Offset
1 0 0 = Preset to Position
1 1 0 = Dwell
1 = Allow feedrate
override (this move only)
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