STwrench User Guide System overview
9836 4134 01 Edition 2.9 33 (326)
2.4 Presentation
The STwrench is modular. The minimum set of required modules is:
STwrench controller
The main module of the wrench containing all the
hardware and firmware.
The version BI (for which the battery inside must be
used) is also available.
STwrench RBU (Rapid Backup Unit)
Module to be installed in the STwrench Controller. It
defines the wrench functions and stores the tightening
programs.
smartHEAD
The STwrench head with torque transducer, gyroscope
(optional), and smartHEAD light.
STwrench battery and battery charger
Power supply.
NOTE: Battery is not used when the STwrench is
connected to Power Focus via the STwrench Cable
Box.
ToolsTalk BLM
The STwrench management software. It allows wrench
configuration, creates the tightening programs and
retrieves results and traces from the wrench.
NOTE: ToolsTalk PF can substitute ToolsTalk BLM
when the wrench is used with Power Focus with IRC-
B or Cable Box; however, ToolsTalk BLM allows only