Thermal Power Plant
Oil and gas
Energy generation
Water and the environment
Chemical industry
Paper and cement.
ASEA BROWN BOWERI
TATA HONEYWEL
FOXBORO - INVENSYS
YOKOGOWA BLUE STAR
ALLEN BRADLEY
GE FANUC
FISHER ROSEMOUNT
TOSHIBA
Lifecycle Services,
Data Model,
Configuration Management,
Alarm System,
Documentation,
Fault Tolerant Capabilities,
Networking & Connectivity,
Regulatory and Batch Control,
ISA95 Standard Support,
Supervisory Applications,
ERP Integration,
Complete Replacement, and
Services Capability and Quality
“Highway addressable remote transducerâ€
Uses the same 4-20mA wiring, Super imposes the digital signal on the top of the analog one.
35-40 data items Standard in every HART device,
Standard commands provide easy access,
Increases control system integrity,
HART is Safe, Secure, and Available,
Saves Time and Money,
Improves Plant Operation and Product Quality,
Protects Asset Investments,
Fully inter operable and reliable.
Local control unit is the small collection of hard ware in the system that can do closed loop control. Local control unit interfaces directly to the process.
Fieldbus is a digital, two-way, multidrop communication link among intelligent measurement and control devices. Fieldbus is gradually replacing 4 to 20 mA standard instrumentation signals used to transfer measurement and control data between control room and plant floor. It is one of several local area networks dedicated for industrial automation.