SETUP Area
QB Expert Alpha Controller
50
Low Current
The minimum current for an acceptable fastening cycle. If the actual tool current does not
reach this limit the fastening cycle is flagged as a NOK and the YELLOW LED on the front
panel and tool illuminates. Must be less than High Current. Units are percent.
Soft Stop
This controls how the tool is turned off AFTER reaching target torque. This is designed as
an ergonomic benefit to ease operator discomfort with direct-drive tools.
If AUTO is selected the tool is dynamically controlled to a stop.
If Yes is selected the tool’s current will be removed for the time specified in Current Off
Time, then reapplied for the time specified in the Current Hold Time, then current will
ramp to zero over the time specified in Current Ramp Time. Units are in seconds.
Max Torque
Bailout
Determines when to stop the tool based on exceeding a maximum torque value during the
Angle Control/ Torque Averaging strategy. Units are the selected torque units.
Min Torque
Bailout
Determines when to stop the tool based on dropping below a minimum torque value
during the Angle Control/ Torque Averaging strategy. Units are the selected torque units.
Torque
Compensation
Yes will use the average torque achieved during an Angle Control/ Torque Averaging
strategy as the zero torque for the next immediate step only.
Merge Torque
Carries the torque over from one step to another as if the two steps were actually one
step.
Rate Target
The rising slope rate at which the controller shuts off the tool. Units are the selected
torque units/degrees of rotation.
Yield Target
The falling slope rate at which the controller shuts off the tool. Units are the selected
torque units/degrees of rotation.
Max Torque
A combination of the High Torque and Bailout on High Torque parameters. Used in Angle
Control Smart Steps only.
Position Target
The number of degrees from Tool Zero Position where the controller will shut off the tool
during a Position Control / Torque Monitor strategy after achieving Snug Torque.
3.1.2.5 Manage Button (Step)
Manage enables step settings to be added, deleted, and/or copied to the clipboard and pasted.
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