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Control system for nr.3 hot water boilers and electrical distribution system

SIL3 BMS systems supervise of all safety trips of boilers and burner logics (pre-purge, light-off, shutdown, etc.) as per EN normative. BCS systems manage boilers process control and burners combustion control. Common part system is dedicated to control of all common utilities and electrical system distribution. Electrical system distribution management allows manual and automatic change-over of power sources for medium voltage and low voltage systems.

Country: Italy
Delivery date: 04/2014 - 08/2015
Field: Power and Energy
Supply description:
Nr.3 Burner Management System (BMS)
Nr.3 Boiler Control System (BCS)
Nr.1 Common parts control system
Nr.1 server station for ABB Tenore
Integration of new systems into existing ABB Harmony DCS
Automation engineering documents and electrical documents
Automation software applications
Controllers & Supervision:
BMS: Siemens S7-400 F, SIL3 S7-300 I/O cards
BCS and Common parts: Redundant ABB INFI 90 BRC410, redundant INFI 90 loop, ABB S800 I/O cards
ABB Tenore

SYSTEM ARCHITECTURE

BMS and BCS are connected with redundant point-to-point Ethernet link. Data exchange protocol is ModBus TCP. All analog I/Os are isolated with Pepperl & Fuchs galvanic isolators.

All analog I/Os are isolated with Pepperl & Fuchs galvanic isolators. BCS of the three boilers and common parts control system are connected with redundant INFI 90 loop.