Product Overview
The Emerson CL6821X1-A6 Analog Input/Output Module is engineered for high-performance signal acquisition and control in process automation systems. With a compact form factor and DIN rail mounting, it integrates seamlessly into DeltaV DCS architectures, offering plug-and-play compatibility and simplified installation.
Moreover, the module supports both current and voltage signal types, making it ideal for interfacing with a wide range of field devices such as transmitters, sensors, and actuators. In addition, its 16-bit resolution ensures accurate data conversion, while built-in fault protection and signal isolation enhance system reliability.
Therefore, the CL6821X1-A6 is a trusted solution for engineers seeking scalable analog I/O performance in critical applications across oil & gas, chemical processing, and power generation sectors.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | CL6821X1-A6 |
| Part Number | 12P0663X032 |
| Type | Analog Input/Output Module |
| Dimensions | 15.9 cm × 13.4 cm × 4.2 cm |
| Weight | 0.53 kg |
| Operating Temperature | –20°C to +60°C |
Typical Applications
The CL6821X1-A6 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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Power Generation: Manages analog feedback from turbines and boiler systems
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Pharmaceuticals: Supports validated process control with high signal accuracy
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Water & Wastewater: Regulates 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-A6 integrates seamlessly with Emerson’s DeltaV DCS platform, supporting open communication protocols and modular expansion. Moreover, its compact design and fault protection features contribute to reduced commissioning time and long-term operational stability.
Therefore, system integrators benefit from flexible deployment, enhanced diagnostics, and reliable performance in mission-critical environments.
FAQ
Q: What signal types does the CL6821X1-A6 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 8 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: What’s the operating temperature range?
A: It functions reliably from –20°C to +60°C.
Q: What industries use this module?
A: Oil & gas, chemical, pharmaceutical, power generation, and water treatment sectors.
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