Siemens Westinghouse`s Instrumentation and Controls Group has signed an order with Babcock and Wilcox to provide the instrumentation and controls system for a wet flue gas desulphurization retrofit project in Turkey. Siemens Westinghouse will supply its Teleperm XP control system. The installation will have around 5300 I/O points as well as a serial interface to the steam turbine and plant switchgear.