Product Overview
The Emerson CL6821X1-A5 Analog Input/Output Module is engineered for flexible signal handling in process automation systems. With 4 analog input channels and 4 analog output channels, it supports a wide range of industrial signals including 4–20mA and 0–10V, making it ideal for interfacing with transmitters, actuators, and control valves.
Moreover, the module features 16-bit resolution, ensuring precise data acquisition and output control. Its DIN rail mounting and compact footprint simplify installation in control cabinets, while its CE certification guarantees compliance with global safety standards. In addition, the module includes built-in signal isolation, which protects against electromagnetic interference and enhances system reliability.
Therefore, the CL6821X1-A5 is a trusted solution for engineers seeking robust analog I/O performance in industries such as oil & gas, chemical processing, and pharmaceuticals.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | CL6821X1-A5 |
| Part Number | 43B5797X032 |
| Type | Analog Input/Output Module |
| Dimensions | 27.9 cm × 5.1 cm × 25.4 cm |
| Weight | 0.48 kg |
| Operating Temperature | –20°C to +60°C |
Typical Applications
The CL6821X1-A5 module is widely used in industrial automation systems requiring precise analog signal control. For instance:
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Oil & Gas: Monitors pressure and temperature transmitters while controlling modulating valves
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Chemical Processing: Interfaces with flowmeters and dosing pumps in corrosive environments
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Pharmaceuticals: Supports validated process control with high signal accuracy
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Food & Beverage: Regulates temperature and flow in hygienic production lines
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Water & Wastewater: Manages level sensors and pump control in distributed SCADA systems
In addition, its dual I/O capability reduces module count and simplifies wiring in distributed control architectures.
System Integration Experience
The CL6821X1-A5 integrates seamlessly with Emerson’s DeltaV DCS platform, supporting HART, Foundation Fieldbus, and Ethernet protocols. Moreover, its modular design allows easy expansion and customization for complex control systems. Engineers benefit from reduced commissioning time, enhanced diagnostics, and long-term reliability.
Therefore, this module is ideal for OEMs and system integrators building scalable, high-performance automation solutions.
FAQ
Q: What signal types does the CL6821X1-A5 support?
A: It supports 4–20mA and 0–10V analog signals for both input and output.
Q: How many channels are available?
A: It includes 4 analog input channels and 4 analog output channels.
Q: Is it compatible with DeltaV systems?
A: Yes, it is designed for seamless integration with Emerson’s DeltaV DCS.
Q: Does it include signal isolation?
A: Yes, it features built-in isolation to reduce electromagnetic interference.
Q: What industries use this module?
A: Oil & gas, chemical, pharmaceutical, food processing, and water treatment sectors.
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