Product Information: EMERSON A6824R

EMERSON A6824R (Part Number: 9199-00098-13) is a power supply/communication module based on Modbus communication. It is commonly used for on-site I/O power supply and signal acquisition in process control systems such as Emerson DeltaV and Ovation. This module belongs to Emerson's "Power Module" series and features plug-and-play functionality, hot-swappability, and redundant power supply. It is compatible with an input voltage range of 100-240 V AC and can provide a 24 V DC output, meeting the demand for reliable power supply in industrial on-site environments.

1. Main Technical Specifications

Specification	Description
Part Number	9199-00098-13
Input Voltage	100 V ~ 240 V AC (single-phase)
Output Voltage	24 V DC (12 V DC optional)
Output Power	≤ 500 W (specific power depends on the specific model)
Communication Interface	Modbus RTU (RS-485), supporting 4 HP (4 modules)
Operating Frequency	50 Hz / 60 Hz
Ambient Temperature	0 °C ~ 55 °C (extendable to -20 °C ~ 70 °C as an option)
Protection Class	IP20 (for indoor use)
Installation Method	DIN-rail plug-in type, supporting hot-swapping
Redundancy	Dual-machine redundant power supply available to improve system reliability
Certifications	International certifications including CE, UL, CSA

2. Product Features

• Plug-and-Play & Hot-Swappable: The modular design allows on-site replacement without powering off the system, reducing downtime.
• Modbus Communication: Compatible with the standard Modbus RTU protocol, facilitating integration with PLC, DCS, and SCADA systems.
• Wide Input Voltage Range: The 100-240 V AC range is compatible with power grids worldwide, simplifying on-site power distribution.
• High Reliability: Adopts industrial-grade components and is equipped with over-voltage, over-current, and short-circuit protection. It also supports dual-machine redundant power supply.
• Compact Size: DIN-rail mounted, it occupies little space and is suitable for dense cabinet layouts.
• Easy Maintenance: The module is equipped with status indicator lights. When used with Emerson PlantWeb Insight, it enables remote health monitoring and early warning.

3. Structure and Composition

• Housing: Made of metal or high-strength plastic to provide mechanical protection.
• Power Conversion Unit: Uses switch-mode power supply technology internally to convert AC to regulated DC.
• Communication Interface Board: Features an RS-485 interface and terminal resistors, supporting Modbus RTU.
• Output Terminal Block: 24 V DC output terminals, compatible with conventional on-site I/O wiring.
• Status Indicator Lights: Include power, communication, and fault indicators for quick on-site diagnosis.
• Heat Sink: Adopts a passive heat dissipation design to ensure thermal stability during long-term operation.

4. Installation and Maintenance Guidelines

Pre-Installation Inspection

1. Verify that the cabinet DIN-rail is intact and free from looseness.
2. Check if the input power voltage range matches the on-site power supply.

Wiring Guidelines

1. When using three-phase or single-phase wiring on the input side, ensure cables comply with the IEC 60364 standard.
2. Output terminals use screw crimping or spring clips to ensure reliable contact.
3. Modbus RS-485 uses differential wiring, and terminal resistors (120 Ω) should be installed at both ends of the link.

Commissioning Steps

1. After power-on, check the indicator lights: a lit power light and a blinking communication light indicate normal operation.
2. Use Emerson PlantWeb Insight or the corresponding DCS/PLC software to read the module status and verify the output voltage, power, and communication parameters.

Daily Maintenance

1. Inspect the tightness of wiring connections and terminal corrosion every 6 months.
2. Monitor the module's health index via PlantWeb Insight and replace units that are about to fail in advance.
3. If over-current or over-voltage alarms occur, immediately check for abnormalities in the load or input power supply.

Replacement and Upgrade

1. When replacing the module via hot-swapping, first set the module to "Offline" or "Maintenance" mode in the control system to prevent misoperation.
2. For upgrading to higher power or dual-machine redundancy, additional backup modules of the same model can be directly added to the same cabinet to achieve seamless switching.

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• Professional Technical Support: We have an experienced technical team capable of providing you with professional technical support and services.
• Favorable Prices: We have established good cooperative relationships with suppliers, enabling us to offer you competitive prices.
• Thoughtful Service: We provide comprehensive pre-sales, in-sales, and after-sales services to ensure you have no worries.