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Modbus Organization

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Smar UK Ltd

Foundation Fieldbus Universal Bridge

Type:  Network Gateway
Description:  The DFI302 is a programable bridge able to integrate Modbus (RTU & TCP/IP), Foundation Fieldbus (H1 & HSE), HART and conventional I/O in one unit. It supports Function Block programing and can be configured as either a Modbus Master or Modbus Slave.
Connectivity:  Modbus, Modbus TCP/IP
Features:  Integral part of SYSTEM302; single integrated unit of interface, linking device, bridge, controller, gateway, Fieldbus power supply and distributed I/O subsystem; tight integration with intelligent devices and software from multiple manufacturers due to use of open standards; Connects to existing equipment through conventional I/O and Modbus communication; Full redundancy and fault isolation for high safety and uninterrupted operation.
Specifications:  32-bit RISC; Sustained performance: 50 MIPS; Memory for code: 2 MB, 32-bit Flash memory (upgradable firmware);Memory for data: 2MB, 32-bit NVRAM; Fieldbus interface: 4 ports, independent with DMA; Physical layer standard: ISA-S50.02-1992; Baud rate: 31.25 kbps; MAU type: passive (not bus powered); Intrinsic safety: NOT compliant; Isolation: 500 Vac (each channel); Operating voltage/current ?5 V ?5 % / 1.0 A (typical); RJ-45 and RJ-12 connectors.