Overview

The Emerson KJ3221X1-BA2 Analog Output Module delivers high-performance analog signal control for critical process automation. Designed for seamless integration with DeltaV distributed control systems, it supports 8 isolated 4–20 mA output channels with HART-enabled diagnostics. This ensures accurate, stable output to control valves, actuators, and other field devices.

Moreover, its hot-swappable design and advanced diagnostic features reduce downtime and streamline maintenance. In addition, the module supports redundant configurations, making it ideal for safety-critical applications. Engineers value its reliability, ease of configuration, and compatibility with a wide range of industrial environments.

Technical Data

Typical Applications

This module is widely used in oil refining, chemical processing, and power generation industries:

• Controlling valve actuators in closed-loop control

• Modulating signals to VFDs, dampers, and positioners

• Remote calibration and health monitoring via HART

Engineers frequently deploy it in redundant I/O architectures to ensure uninterrupted operations. Therefore, it plays a critical role in maintaining process stability, precision, and regulatory compliance.

FAQ

Q1: What type of signals does the module output?
A1: It provides 4–20 mA analog output signals with HART support.

Q2: Is the module hot-swappable?
A2: Yes, it can be replaced without shutting down the system.

Q3: Can it be used in hazardous environments?
Yes. It is certified for ATEX Zone 2 and complies with CE standards.

Q4: How many channels does it support?
It supports 8 isolated analog output channels.

Q5: What is the typical use case?
A4: Controlling actuators, valves, and analog-signal devices in DeltaV DCS applications.