Atlas Copco STwrench - 15.5 Settings on Power Focus

Working with Power Focus STwrench User Guide
228 (326) 9836 4134 01 Edition 2.9
NOTE: The Power Focus mode can also be enabled / disabled from ToolsTalk BLM. See
Power Focus settings for more information.
NOTE: When the STwrench is connected to the ToolsTalk BLM via the USB cable, the
connection to Power Focus is not active. After completing wrench settings and/or programming,
disconnect the USB cable to activate the connection to Power Focus.
15.5 Settings on Power Focus
Power Focus must be set properly in order to work with the STwrench.
The following list provides a cross reference between Power Focus and STwrench parameters and some
critical Power Focus settings required for proper operations:
Power Focus STwrench
P100 Control Strategy
Control strategy
P110 Cycle start
Cycle start
P112 Final tq min
Final torque min.
P113 Final Target
Final Target
P114 Final tq max
Final torque max.
P118 Measure torque at
Measure torque/angle at
P119
Loosening limit
If this parameter is set to a value greater than 0, Power Focus checks
if a negative torque exceeding this value is applied during the
tightening.
In that case, the overall status of the tightening is marked as Not OK.
This function is started when the wrench reaches the Cycle Start
(before starting the tightening, a loosening is allowed and does not
produce results).
This function is used to detect unwanted loosening at the end of a
tightening (for instance, when the wrench is disengaged from the
joint).
When the loosening detection is active:
- When the operator has not yet started the tightening, and a negative