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Information Bulletin No. 42
(June 2003)

Volgodonsk NPP Gateway System Test
Has Been Successfully Completed

June 4, 2003

On May 20-28, 2003 start-up, test and commissioning of the Gateway System based on "Vulkan-GS" Distributed Computer System (DCS) were successfully completed at Volgodonsk NPP (Russia) on the first phase of Unit 1 CIS upgrade.

The Gateway System provides for acquisition and communication to the CIS top level LAN of the following data :

• All analog and discrete parameters of KSO-1-3 and KSO-5&6 of the operational "Titan" CIS in parallel to those communicated through these KSO basic data links with SM-2M.

• All radiation monitoring parameters of BVC-51 modules of the Radiation Monitoring System (AKRB).

"Vulkan-GS" DCS is redundant, completely meets the requirements to 3N hardware applicable in Russia and Ukraine, and holds the appropriate certificate. "Vulkan-GS" DCS incorporates commercial MPP–A cards (for CIS KSO data acquisition) and MPr-A (for AKRB data acquisition) developed and manufactured by Westron.

The Gateway System commissioning works were performed by the personnel of Volgodonsk NPP, NPP Scientific and Research Institute (VNIIAES) (the Customer) and Westron (the Gateway System designer and supplier).

Westron and PNNL Have Concluded Contract
on Performance of Works at Leningrad NPP

May 30, 2003

Westron and PNNL have concluded contract on additional test of the second kit of Leningrad NPP Safety Parameter Display System (SPDS) hardware supplied for Leningrad NPP Unit 4 on International Nuclear Safety Program. Leningrad NPP Unit 4 SPDS hardware additional test is caused by the long terms of its storage at Leningrad NPP warehouse.
Unit 4 SPDS hardware will be tested by Westron's personnel at the same Leningrad NPP hardware assembly and test area where Westron manufactured and tested the first SPDS for Leningrad NPP.

"Vulkan-MRMR1" Distributed Computer System Test
Is Completed at Zaporozhye NPP

May 26, 2003

On 15-20 May, 2003 the start-up and SAT of "Vulkan-MRMR1" (Main Radiation Monitoring System 1) DCS designed and manufactured by Westron on Agreement on "Vulkan-MRMR1" DCS design, shipment and implementation for modernization of ZNPP Unit 1 Radiation Monitoring System concluded by Westron and Zaporozhye NPP were successfully performed at Zaporozhye NPP.
"Vulkan-MRMR1" DCS implementation is the first phase of modernization of ZNPP RMS high level. "Vulkan-MRMR1" DCS provides ZNPP Units 1,2,3,4 and Special Building 1 AKRB-03 data acquisition, processing and display and completely displays status of radiation monitoring parameters of the above Units and Special Building.
In "Vulkan-MRMR1" DCS start-up and SAT the Westron and ZNPP's personnel participated.

Shipment of Equipment
for BALTIJOS INFORMACINES SISTEMOS (BIS), Lithuania

May 15, 2003

Westron has manufactured and supplied the MPP-A Communication Cards by request of BIS close corporation (Lithuania). MPP-A is designed by Westron for serial digital data link of PC (PCI bus) with SM-2M and M64 computation systems. The supplied kit includes the MPP-A equipment and software required for these cards operation as PC component.

Westron and Westinghouse Electric Company
Has Concluded Contract on Power Supplies Shipment
to Temelin NPP (Czech Republic)

May 6, 2003

Westron and Westinghouse Electric Company has concluded contract on shipment of 40 (forty) C70-W power supplies for Temelin NPP safety systems equipment. C70-W power supplies designed and manufactured by Westron are complete functional analog to Case 70 power supplies installed in Eagle hardware cabinets at Temelin NPP. C70-W power supplies are purposed both for Case 70 replacement and for their operation in parallel with Case 70 power supplies with the common load. C70-W power supplies shipment is planned in the end of this year.

Westron LLC
1 Akademika Proskury Str.,
Kharkiv 61070, Ukraine
Phone: +380-57-717-0601
Phone/Fax: +380-57-717-7956
E-mail: office@westron.kharkov.ua