Moveset block, 7ć40 – Rockwell Automation 1771-QC , D17716.5.25 SER/B SERVO POS User Manual

Page 122

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Formatting and Interpreting Data Blocks

Chapter 7

7Ć40

FE = speed = 10 ipm = 10 mil s
gain 1 ipm/mil

However, if you enter a following error reduction value of 70.0 the
following error at 10 imp is reduced from 10 mils to 3 mils.

A moveset block contains a number of move blocks through which it
describes axis motion for a sequence of moves (Figure 7.29).

Figure 7.29

Moveset BlockĆ Showing Word Assignments

Moveset Control Word (MCW)
Single Move Control Word (SMCW)
Position or Dwell Time (MS)
Position or Dwell Time (LS)
Local Acceleration
Local Deceleration
Single Move Control Word (SMCW)
Position or Dwell Time (MS)
Position or Dwell Time (LS)

Single Move Control Word (SMCW)
Position or Dwell Time (MS)
Position or Dwell Time (LS)
Local Feedrate
Single Move Control Word (SMCW)
Position or Dwell Time (MS)
Position or Dwell Time (LS)

Local Feedrate
Local Acceleration
Local Deceleration
Next Moveset Pointer (If Required)

11216

Move Block 1

(5 words)

Move Block 2

(3 words)

Move Block (N-1)

(4 words)

Move Block N

(6 words)

Up to

64 words

Each move requires a move block of at least three words (a single move
control word, and two words to define position or dwell time). A move
block may have as many as six words (a single move control word, two
position words, a rate word, an accel word, and a decel word). In
addition, two words (moveset control word and next moveset pointer)
apply to the entire moveset block. Since the moveset block may contain
no more than 64 words, the largest possible number of moves a single

Moveset Block

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