Jog reference, Stop command, Direction control and bipolar reference – Rockwell Automation 20D PowerFlex 700S with Phase I Control Reference Manual User Manual

Page 133: Speed limits

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Rockwell Automation Publication PFLEX-RM002D-EN-E - August 2013

133

Detail Drive Configuration and Operation

Chapter 1

Jog Reference

Two separate jog speeds can be used as a speed reference - parameter 17 [ Jog
Speed 1] or 18 [ Jog Speed 2]. For more information on jog speeds see

Jog

.

Stop Command

When a stop command is issued, parameter 157 [Logic Ctrl State] bit 0 - “Spd
Ref En” is set to 0, causing a zero speed to be selected. When [Logic Ctrl State]
bit 0 is set to 1, the selected speed or jog reference is used.

Direction Control and Bipolar Reference

The direction of rotation of the motor can be controlled by a forward/reverse
command or by the use of a bipolar signal. For more information on direction
control, see Direction Control and Bipolar Reference on page

47

.

Speed Limits

The next section sets the forward and reverse speed limits for the speed reference.
Parameter 31 [Fwd Speed Limit] sets the positive speed limit, in RPM. Parameter
30 [Rev Speed Limit] sets the negative speed limit, in RPM. Parameter 41
[Limited Spd Ref ] contains value, in RPM, of the limited speed reference.

1

0

157

00

0

Logic Ctrl State

30

31

Limit

41

Rev Speed Limit

Fwd Speed Limit

Limited Spd Ref

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