Rockwell Automation 1771-QC , D17716.5.25 SER/B SERVO POS - Manual (Page 234)

Parameter Block
Appendix C
CĆ3
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Encoder Lines
Word 8 (Axis 1)
Word 27 (Axis 2)
Word 46 (Axis 3)
The value of this word times the mulitplier
specified by bit 15 of the next word must equal
the actual number of encoder lines, BCD
format. For 10,000, program 0000.
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Feedback Multiplier, Encoder Lines Multiplier, Loss-of-marker, Initial Gain
Word 9 (Axis 1)
Word 28 (Axis 2)
Word 47 (Axis 3)
Feedback
Multiplier
01 = x 1
10 = x 2
00 = x 4
Encoder
Lines
Multiplier
0 = x 1
1 = x 4
(See preceding
word.)
Loss-of-marker
detection
0 = disabled
1 = enabled
Initial Gain, ipm/mil or
mmpm/mil, BCD format.
(1 mil = 0.001 inch or 0.001
millimeter.)
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Gain Break Speed
Word 10 (Axis 1)
Word 29 (Axis 2)
Word 48 (Axis 3)
Multiplier
001 = x 10 -1
000 = x 10 0
010 = x 10
100 = x 10
110 = x 10
111 = x 10
1
2
3
4
inch
metric
decimal
point
decimal
point
This BCD value (0.999 ipm or
19.99 mmpm max) times the
multiplier is the gain break speed.
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Word 11 (Axis 1)
Word 30 (Axis 2)
Word 49 (Axis 3)
This BCD value (99 max) times 2
is the inĆposition band in
increments of feedback
resolution.
Gain reduction factor
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Rapid Traverse Rate
Word 12 (Axis 1)
Word 31 (Axis 2)
Word 50 (Axis 3)
Multiplier
001 = x 10 -1
000 = x 10 0
010 = x 10
100 = x 10
110 = x 10
111 = x 10
1
2
3
4
inch
metric
decimal
point
decimal
point
This BCD value (0.999 ipm or
19.99 mmpm max) times the
multiplier is the rapid traverse rate.