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Product Overview
The Emerson KJ3221X1-BA2 Analog Output Module is a high-performance I/O module designed for DeltaV distributed control systems (DCS). It provides precise and reliable analog signal outputs to actuators, control valves, and other field devices. With advanced diagnostics, redundancy support, and hot-swappable functionality, the module ensures operational reliability and minimizes system downtime. It is widely applied in critical process automation industries requiring accurate and stable analog control.
Key Features
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Provides multiple isolated analog output channels
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Supports both current (mA) and voltage (V) output ranges
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High accuracy and stable signal generation
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Integrated self-diagnostics for enhanced system reliability
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Redundant configuration support for mission-critical applications
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Hot-swappable for quick replacement without downtime
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LED indicators for status and fault monitoring
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Designed for seamless integration with DeltaV DCS systems
Technical Specifications
| Item | Specification |
|---|---|
| Model Number | KJ3221X1-BA2 |
| Manufacturer | Emerson |
| Product Type | Analog Output Module |
| System Compatibility | DeltaV Distributed Control System |
| Number of Channels | 8 isolated analog output channels |
| Output Signal Ranges | 4–20 mA, 0–20 mA, ±10 V (configurable) |
| Resolution | 16-bit digital resolution |
| Accuracy | ±0.1% of span |
| Load Resistance | Up to 750 Ω for current output |
| Update Rate | 100 ms typical |
| Isolation | Channel-to-channel and channel-to-system isolation |
| Redundancy | Supported |
| Hot-Swap Capability | Yes |
| Indicators | Power, status, and fault LEDs |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | -40 °C to +85 °C |
| Dimensions | 130 × 40 × 160 mm |
| Weight | 0.55 kg |
| Compliance | CE, UL, RoHS, IEC standards |
Industry Applications
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Oil & Gas – precise control of valves and actuators in process plants
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Petrochemical – reliable output for critical process operations
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Power Generation – control of turbines, generators, and field devices
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Pharmaceuticals – regulated control outputs for batch and continuous processes
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Water & Wastewater – analog control for pumps, motors, and treatment systems
Advantages
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High accuracy and stable analog output performance
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Supports both current and voltage output signals
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Built-in diagnostics reduce downtime and maintenance costs
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Hot-swappable for uninterrupted plant operation
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Compact design optimized for DeltaV control systems
Frequently Asked Questions (FAQ)
Q1: What is the function of the KJ3221X1-BA2?
It provides accurate analog output signals for control valves, actuators, and other field devices.
Q2: How many channels does the module support?
It provides 8 isolated analog output channels.
Q3: What signal types does it support?
It supports current (4–20 mA, 0–20 mA) and voltage (±10 V) outputs.
Q4: What is the resolution of the analog output?
It offers 16-bit resolution for precise control.
Q5: Can it be configured for redundancy?
Yes, it supports redundant operation for critical applications.
Q6: Does the module support hot-swapping?
Yes, it can be replaced online without shutting down the system.
Q7: How is module health monitored?
It has built-in self-diagnostics and LED indicators for status and faults.
Q8: What is the maximum load resistance for current output?
It supports up to 750 Ω load resistance.
Q9: What environment can it operate in?
It operates from 0 °C to +60 °C and can be stored from -40 °C to +85 °C.
Q10: Is the module compliant with industrial standards?
Yes, it complies with CE, UL, RoHS, and IEC standards.
Related Emerson Modules
| Model Number | Description |
|---|---|
| KJ3221X1-BA1 | Analog Input Module |
| KJ3222X1-BA1 | I/O Power Supply Module |
| KJ4001X1-BE1 | System Power Supply Module |
| KJ3002X1-BG1 | Analog Input/Output Module |
| VE4002S2T2 | DeltaV I/O Terminal Block |
Popular Emerson DeltaV Modules
| Model Number | Description |
|---|---|
| KJ4001X1-BA2 | Controller Module |
| KJ2005X1-MQ1 | Relay Output Module |
| KJ2101X1-BB1 | Communication Interface Module |
| KJ3222X1-BA1 | I/O Power Supply Module |
| VE4005S2B1 | DeltaV Power Supply Assembly |
