EMERSON A6824R
EMERSON A6824R (Model 9199-00098-13) Overview
Item | Description
Product Positioning
The A6824R is an interface card/module within Emerson’s A6000/A6500 machinery monitoring system. It is used for data acquisition, transmission, and system integration, enabling monitoring and predictive maintenance on platforms such as AMS 6500 Machinery Health Management and DeltaV DCS.
Key Functions
- Supports both Modbus RTU and Modbus over TCP protocols
- Equipped with 6 RS-485 buses, each capable of connecting up to 8 displays/monitors (48 channels total)
- Periodically records monitoring data and transmits it via Modbus
- Supports redundancy, fault diagnostics, and hot-swap for enhanced system reliability
Technical Specifications
- Rated voltage: 24 V DC
- Rated current: 1 A
- Operating temperature: -25 °C to +70 °C (storage -40 °C to +85 °C)
- Dimensions: approx. 109 mm × 22.5 mm × 115 mm; weight approx. 0.2 kg
- Vibration rating: IEC 60068-2-27
- Safety level: SIL2, compliant with ATEX Zone 2
Analog Inputs (for certain variants)
Certain A6824R variants provide 16 analog input channels (4-20 mA, thermocouple, RTD), suitable for high-precision measurement of temperature, pressure, flow, and other process variables, with an accuracy of ±0.05% FS.
Typical Applications
- Process monitoring in oil & gas, refining, chemical, and power industries
- Machinery health monitoring for steam/gas turbines, compressors, pumps, and fans
- Seamless integration with Emerson Ovation, DeltaV, PlantWeb, and other platforms
Brief Description
The EMERSON A6824R is a high-reliability communication module designed for industrial automation. Its core strengths lie in its flexible multi-bus, multi-protocol connectivity and precise acquisition of critical process variables. It operates reliably in harsh field environments (-25 °C to +70 °C, ATEX Zone 2) and enables real-time data interaction with host systems through Modbus networks. It is widely used for predictive maintenance and improving overall equipment efficiency.
Main brand :
ABB Allen-Bradley Alstom Bently GE MOOG
Schneider Woodward HIMA Honeywell Emerson Foxboro
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What is DCS？
A Distributed Control System (DCS) is a computer-based system used to automate, monitor and control complex industrial processes. It is essentially a large network of controllers that are distributed throughout a plant or facility, all working together to keep the process running smoothly.
Here’s a breakdown of how a DCS system works:
- Sensors:These devices collect data from the physical process, such as temperature, pressure, flow rate, and level.
- Controllers:These are programmable devices that receive data from the sensors and send control signals to actuators.
- Actuators:These devices take physical action based on the signals they receive from the controllers, such as opening or closing valves, starting or stopping pumps, or adjusting heater settings.
- Operator stations:These are the human-machine interfaces (HMI) that allow operators to monitor the process, make changes to setpoints, and troubleshoot problems.
- Communication network:This network connects all of the devices in the DCS system together, allowing them to share data and control signals.
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