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Set custom limits, Attributes – Rockwell Automation 1784-PM16SE SoftLogix Motion Card Setup and Configuration Manual User Manual

Page 163

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Publication 1784-UM003A-EN-P – June 2003

Naming & Configuring Your Motion Axis 155

Set Custom Limits

Click this button to open the Custom Limit Attributes dialog.

Figure 6.39 Set Custom Limits Dialog from the Limits Tab for the
AXIS_SERVO_DRIVE

From this dialog box you can monitor and edit the limit-related attributes.

When RSLogix 5000 software is online, the parameters on this tab transition to
a read-only state. When a parameter transitions to a read-only state, any
pending changes to parameter values are lost, and the parameter reverts to the
most recently saved parameter value.

When multiple workstations connect to the same controller using RSLogix
5000 and invoke the Axis Wizard or Axis Properties dialog, the firmware
allows only the first workstation to make any changes to axis attributes. The
second workstation switches to a Read Only mode, indicated in the title bar, so
that you may view the changes from that workstation, but not edit them.

Attributes

The following attribute values can be monitored and edited in this dialog box.

Attribute

Description

VelocityLimitBipolar

This attribute sets the velocity limit symmetrically in both directions. If the command
velocity exceeds this value, VelocityLimitStatusBit of the DriveStatus attribute is set. This
attribute has a value range of 0 to 2.14748x10

12

.

AccelerationLimitBipolar

This attribute sets the acceleration and deceleration limits for the drive. If the command
acceleration exceeds this value, AccelLimitStatusBit of the DriveStatus attribute is set. This
attribute has a value range of 0 to 2.14748x10

15

.

TorqueLimitBipolar

This attribute sets the torque limit symmetrically in both directions. When actual torque
exceeds this value TorqueLimitStatus of the DriveStatus attribute is set. This attribute has a
value range of 0 to 1000.

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