AT-FBUS/2

National Instruments AT-FBUS / AT-FBUS/2 Foundation Fieldbus Interface for ISA
Features

• H1 (31.25 kb/s) Interface
• Intel 80386EX Processor
• Yamaha YTZ420 Fieldbus Interface Chip
• Transformer-Isolated Fieldbus Connection

The AT-FBUS is a plug-in board that handles communication between network-configurable devices that comply with the Fieldbus Foundation H1 specification and a PC AT-compatible computer that has 16-Bit ISA slots. The AT-FBUS uses the Intel 386EX embedded processor, shared memory, and an interrupt to communicate with its driver. The AT-FBUS supports the fieldbus transfer rate of 31.25 Kb/s.