Emerson

1.Core Functions

1. 16-channel compatible analog signal transfer Supports both 2-wire transmitters (pressure, temperature, weighing sensors) and 4-wire 4-20mA instruments, collects standard industrial 4~20mA analog signals uniformly. Each channel is an independent loop with HART protocol pass-through, allowing AMS Device Manager to read transmitter parameters.
2. Redundant hardware architecture for uninterrupted data acquisition Exclusive redundant design of B10 version supports hot standby operation of dual AI cards. Fault of a single channel loop only isolates this channel, and signal collection of the other 15 channels remains unaffected, suitable for critical process loops that cannot shut down.
3. Automatic open-circuit detection (matching the “Detection” feature) Built-in loop current monitoring circuit judges sensor disconnection, short circuit and transmitter power loss in real time. Fault signals are uploaded to DeltaV controller, triggering pop-up alarms on upper monitoring screen for rapid fault location.
4. Field circuit isolation & overcurrent protection Each channel is equipped with independent 1000V DC electrical isolation to eliminate electromagnetic interference from inverters and motors. Built-in 2A independent fuse ensures short circuit of single loop will not damage the whole base or rear AI card.
5. Power supply output for field transmitters Built-in 24VDC field power output on the base supplies power to 2-wire pressure, flow and weighing sensors. The maximum total field output current of one terminal block is 300mA, eliminating extra external power terminal blocks.
6. Seamless connection with DeltaV system bus Plug-and-play with VE4050S2 series I/O carrier backplane, transmits collected signals to system controller at high speed via DeltaV internal LocalBus bus. It supports hot-swap of cards, and the whole DCS system does not need to shut down during maintenance.
7. Wide-temperature industrial resistance to harsh environments Operating temperature range: -40℃ ~ +70℃, with three-proof coating on circuit board, dustproof and moisture-proof, suitable for control cabinets with high dust and large temperature difference in power plants, chemical plants and oil & gas sites.

2. Product Application Purpose

1. Compatible Control System Exclusive matching part for Emerson DeltaV M-Series Series 2 Distributed Control System (DCS), used with 16-channel analog input cards and mounted on VE4050 series 8-slot I/O carrier backplane.
2. Core Positioning Wiring transfer base between field analog sensors and DCS AI cards, a key intermediate component of process parameter acquisition link, responsible for cable collection, signal protection, fault diagnosis and transmitter power supply.
3. Matched Field Sensors Weighing sensors, pressure transmitters, level gauges, thermocouple/RTD temperature sensors, flow meters, valve position feedback instruments and other field devices with 4-20mA/HART signal output.
4. Applicable Industries

• Thermal Power Plants: Monitoring of boiler pressure, drum liquid level, flue gas temperature and feed water flow;
• Oil & Gas Industry: Collection of long-distance pipeline pressure, tank liquid level and oil/gas flow;
• Petrochemical & Fine Chemical Plants: Monitoring of reactor temperature/pressure and distillation tower liquid level/flow;
• Water treatment, pharmaceutical and new energy factories for on-line monitoring of process parameters.

5. Working Condition Value Redundant design and open-circuit detection function ensure uninterrupted process data under continuous production conditions, realize rapid fault location and greatly reduce maintenance downtime.

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