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Product Introduction
The Emerson KJ3208X1-BA1 is a high-performance Discrete Output Module designed for industrial automation systems utilizing the DeltaV™ distributed control system (DCS). It is primarily used for providing control signals to field devices such as relays, solenoids, and other on/off actuators. As part of the Ovation and DeltaV families, this module delivers reliable, deterministic control in mission-critical environments including power plants, oil & gas facilities, chemical processing units, and manufacturing lines.
The KJ3208X1-BA1 ensures high-speed switching capabilities while offering robust diagnostics, hot-swappable installation, and system redundancy. With its rugged build quality and extensive compatibility across Emerson’s automation portfolio, this card has become a trusted solution in discrete signal handling for both greenfield installations and retrofit projects.
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Emerson Automation Solutions |
| Product Name | KJ3208X1-BA1 Discrete Output Card |
| Series | DeltaV™ / Ovation |
| Module Type | 16-Channel Discrete Output Module |
| Channels | 16 discrete outputs |
| Output Type | Sourcing (positive logic) |
| Output Voltage Range | 18–30 VDC |
| Nominal Voltage | 24 VDC |
| Output Current per Channel | 0.5 A max |
| Maximum Aggregate Current | 8 A total per module |
| Output Delay (ON to OFF) | < 1 ms |
| Isolation | Optical and channel-to-bus isolation |
| Diagnostics | Open wire detection, power supply status, module health |
| Hot Swappable | Yes |
| Redundancy | Yes (when used with compatible carriers) |
| Operating Temperature | -40 to 70°C (-40 to 158°F) |
| Storage Temperature | -40 to 85°C (-40 to 185°F) |
| Humidity | 5% to 95% RH non-condensing |
| Mounting | Baseplate-mounted (compatible with Emerson carriers) |
| Dimensions (H x W x D) | 107 x 41 x 105 mm |
| Weight | 0.181 kg |
| Compliance | CE, CSA, UL, FM, ATEX, IECEx (depending on installation configuration) |
Applications
The Emerson KJ3208X1-BA1 Discrete Output Card is widely applied in various industries where reliable on/off control is required. Its use spans:
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Power Generation: Used in turbine control systems, motor control centers, and auxiliary systems.
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Oil & Gas: Deployed in upstream and downstream control panels for valve actuation and safety systems.
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Chemical & Petrochemical Plants: Provides output control for batching systems, alarm signaling, and safety interlocks.
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Manufacturing and Processing: Applied in conveyor systems, robotic lines, and packaging machinery.
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Water Treatment Facilities: Controls pump activation, level indication systems, and gate control.
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Mining and Metals: Drives solenoids and actuators for heavy-duty equipment and safety interlocks.
Product Advantages
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High-Density Output: With 16 discrete output channels per module, it reduces cabinet space and wiring needs.
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Integrated Diagnostics: Advanced health monitoring ensures prompt fault detection and predictive maintenance.
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Redundancy Ready: Supports redundant configurations, which enhances uptime in critical systems.
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Fast Response Time: Millisecond-level response time ensures accurate and timely switching.
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Hot Swapping: Allows field replacement without shutting down the system, minimizing downtime.
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Universal Mounting: Compatible with standard Emerson baseplates, enabling easy integration.
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Rugged Design: Designed to withstand harsh industrial environments with high temperature and humidity resistance.
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Field-Proven Reliability: Trusted in thousands of installations worldwide for consistent performance.
Frequently Asked Questions (FAQ)
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Q: Can the KJ3208X1-BA1 be installed in a redundant configuration?
A: Yes, when used with appropriate DeltaV or Ovation carriers, the module supports redundancy. -
Q: Is the module hot-swappable?
A: Yes, you can replace the module while the system is running, reducing operational disruptions. -
Q: What types of devices can this output card control?
A: It can control devices like solenoids, relays, contactors, and lamps—anything that operates with discrete ON/OFF signals. -
Q: Does it support sourcing or sinking outputs?
A: The KJ3208X1-BA1 provides sourcing outputs (positive logic). -
Q: What happens if one channel fails?
A: The module will report diagnostics to the controller indicating a failed output or load problem. -
Q: What is the maximum current per channel and per module?
A: Each channel can handle up to 0.5 A, with a module total not exceeding 8 A. -
Q: What system platforms are compatible with this module?
A: It is designed for use with Emerson’s DeltaV™ and Ovation™ control systems. -
Q: Is this module certified for hazardous environments?
A: Yes, it carries certifications like ATEX and IECEx depending on configuration. -
Q: How do I check module health or failure?
A: Built-in diagnostics and DeltaV software indicate health status with LED signals and system alarms. -
Q: Can I use this card for safety instrumented systems (SIS)?
A: For SIS, dedicated safety-rated versions of output modules are recommended, although this model is robust for non-SIS use.
Related or Same-Series Models
| Model Number | Description | Channels | Type |
|---|---|---|---|
| KJ3221X1-BA1 | 16-Channel Discrete Input Card | 16 | Discrete Input |
| KJ3241X1-BA1 | 8-Channel HART Analog Input Module | 8 | Analog Input + HART |
| KJ3204X1-BA1 | 8-Channel Discrete Output Module | 8 | Discrete Output |
| KJ4001X1-BA2 | Fieldbus Interface Card | 2 | Foundation Fieldbus |
| KJ4002X1-BB1 | 2-Wire 4-20 mA Analog Output Module | 4 | Analog Output |
| KJ3002X1-BG1 | Controller Module with Ethernet Interface | – | CPU / Controller |
Popular Emerson Models (Same Brand)
| Model Number | Description | System Type | Function |
|---|---|---|---|
| AMS TREX Device Communicator | Field communicator for HART & FOUNDATION Fieldbus | AMS Suite | Field Device Management |
| DeltaV SE3007 | Analog Input Card with Diagnostics | DeltaV | Analog Input |
| ROC800L | Remote Operations Controller | SCADA/RTU | Remote Control |
| Ovation OC810 | I/O Controller Card for Ovation DCS | Ovation | CPU / Controller |
| Fisher FIELDVUE DVC6200 | Digital Valve Controller for HART | Valve/Positioner | Valve Automation |
| CSI 2140 | Machinery Health Analyzer | Condition Monitoring | Vibration Analysis |
