User's Manual Part 1

AT7400 Owner Manual Rev. 2.0 – October 2006 -10-23 Section 3 - 33/39
3.10.1.8 Module 4456 – Technical Specifications
3.11. PCB CIM3297 – Subordinate Control Unit (SCU) on Module 4456
The module 4456 is equipped with its own control unit. This control unit is assembled as the same of the master
control unit MCU, both CIM3297, however the software that runs each one are not the same. The SCU is on
constant two ways communication with the MCU.
Fig.3.14: SCU assembled at the exciter drawer GV4456 – module 4456