Rockwell Automation 1746-HSRV SLC Servo Control Module User Manual User Manual

Page 153

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Publication 1746-6.1.2 - July 2000

9-10 Programming System Variables

For example, the following three tables show how the gain can be
manipulated for and during a given motion:

Gain can be manipulated for and during a given motion when
the SLC sends Set Axis Gain with a gain value of 1:

Gain can be manipulated for and during a given motion when
the SLC sends Speed Move:

Gain can be manipulated for and during a given motion when
the SLC iteratively sends Set Axis Gain with a modified gain
possibly based upon axis position during execution of the Speed
Move:

Word #

Value

Description

0 through 3

0000 0000 0000 0000

Bit commands

4

0000 0000 0000 0000

N/A

5

0000 0100 0000 0000

Set Axis Gain

6, 7

1.0

Gain = 1.0

Word #

Value

Description

0 through 3

0000 0000 0000 0000

Bit commands

4

0000 0000 0000 0100

Speed Move

5

0000 0100 0000 0000

N/A

6, 7

1.0

% Acceleration Ramp =
100%

8, 9

5.0

Speed - 5.0 inches per
second

Word #

Value

Description

0 through 3

0000 0000 0000 0000

Bit commands

4

0000 0000 0000 0000

N/A

5

0000 0110 0000 0000

Set max FE and Axis Gain

6, 7

X.X

Max FE = X.X

8, 9

YY

Gain = YY

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