CL6821X1-A6 12P0663X032 Emerson Fisher PROVOX Analog Input Output Module

Overview

The Emerson CL6821X1-A6 (12P0663X032) is an analog input/output module designed for Fisher PROVOX DCS systems, providing dependable signal processing for industrial automation. With eight analog inputs and four analog outputs, this module enables precise measurement and control of process variables such as flow, pressure, and temperature.

It supports both 4–20 mA and 0–10 V analog signals, offering high signal flexibility across various process applications. Its 16-bit resolution ensures accurate data acquisition and smooth analog output control. Built for reliability, the CL6821X1-A6 includes over-range detection and input protection, preventing damage under fault conditions.

Engineered for harsh industrial environments, it operates within a wide temperature range and mounts easily on a DIN rail, making it suitable for both new installations and system upgrades.

Key Features

• Model Number: CL6821X1-A6

• Part Number: 12P0663X032

• Manufacturer: Emerson

• System Compatibility: Fisher PROVOX DCS

• Type: Analog Input/Output Module

• Input Channels: 8 analog inputs

• Output Channels: 4 analog outputs

• Signal Range: 4–20 mA, 0–10 V

• Resolution: 16-bit precision

• Power Supply: 24 VDC nominal

• Mounting: DIN rail installation

• Operating Temperature: -40°C to +85°C

• Protection: Over-range detection and diode clamping for signal protection

Applications

The CL6821X1-A6 module is ideal for analog signal handling in a variety of industrial applications, including:

• Oil & Gas: Monitoring transmitters and valve actuators for precise process control

• Chemical Production: Managing temperature and pressure signals in critical systems

• Pharmaceutical Manufacturing: Maintaining high-accuracy analog control in validated environments

• Water Treatment: Monitoring and controlling flow, level, and pump signals

• Power Generation: Regulating analog feedback loops for turbines and auxiliary systems

This module’s combination of performance, isolation, and protection makes it a reliable choice for continuous process operations.

FAQ

Q1: What signal ranges does this module support?
A1: It supports standard 4–20 mA and 0–10 V analog signals.

Q2: How many channels does the CL6821X1-A6 include?
A2: It features 8 analog inputs and 4 analog outputs.

Q3: Which control system is it compatible with?
A3: It is designed for the Fisher PROVOX distributed control system.

Q4: Does it have built-in protection?
A4: Yes, it includes over-range detection and diode clamping to protect circuits.

Q5: Can it be installed on a DIN rail?
A5: Yes, it supports DIN rail mounting for convenient installation.