Rockwell Automation 1756-DMF30 ControlLogix Drive Module User Manual

Page 178

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Publication 1756-UM522B-EN-P - February 2003

B-98 1756-DMD30 Specific Information

781

PositDetct2 Stpt
Provides the setpoint for Position Watch 2. Position Watch 2 is
enabled and configured with parameter 740 [Position Control]
bits 18 & 19. Position Watch 2 compares this value with
parameter 763 [Act Motor Posit] and sets bit 9 of parameter
741 [Position Status] when the appropriate condition is
satisfied.

Default:
Min:
Max:
Type:
File:
Group:

0
-2147483648
2147483648
Linkable, Read-Write, 32-bit Integer
Position Control
Posit Detection

782

In Posit BW
Sets overall band width of In Position detector. The detector
sets bit 10 of parameter 741 [Position Status], when parameter
769 [Position Error] is within limits for a sufficient time,
specified by parameter 783 [In Posit Dwell] A modest
hysteresis count is added to the position band width after the
position error is within specified limits.

Default:
Min:
Max:
Type:
File:
Group:

200
-2147483648
2147483648
Linkable, Read-Write, 32-bit Integer
Position Control
Posit Detection

783

In Posit Dwell
Position error must be within the value specified by parameter
782 [In Posit BW] for this amount of time before the In Position
detector sets bit 10 [In Position] of parameter 741 [Position
Status]. A momentary out of position indication will reset the
internal timer and clear the In Position status bit.

Units:
Default:
Min:
Max:
Type:
File:
Group:

Sec
0.004
0
10
Linkable, Read-Write, Floating Point
Position Control
Posit Detection

No.

Name
Description

Values

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