Emerson KJ3231X1-BK1 S-Series Isolated Input Card

Product Introduction

The Emerson KJ3231X1-BK1 S-Series Isolated Input Card is a high-performance input module engineered for precise analog signal acquisition in distributed control systems. Its primary function is to provide electrical isolation between input channels and the control system, preventing ground loops and minimizing interference in complex industrial environments.

This module is specifically designed for environments with high electrical noise, enabling safe, accurate measurement of voltage and current signals. With robust signal conditioning and integrated diagnostics, the KJ3231X1-BK1 ensures reliable operation, making it suitable for critical applications in power plants, chemical plants, and industrial automation systems.

Product Parameters

Product Applications

The KJ3231X1-BK1 is widely applied in industrial processes requiring precise analog signal acquisition with high electrical isolation:

• Power Generation – Measuring generator voltages, turbine currents, and auxiliary signals.

• Oil & Gas – Monitoring process instrumentation signals in refineries and pipelines.

• Chemical & Petrochemical – Acquiring analog signals from reactor sensors, pumps, and flow meters.

• Metallurgy & Mining – High-accuracy analog acquisition for process control instrumentation.

• Pharmaceuticals – Integration with temperature, pressure, and flow sensors for process control.

• Food & Beverage – Acquisition of analog signals in automated thermal and mixing processes.

Product Advantages

• Full Electrical Isolation – Prevents ground loops and interference, protecting system integrity.

• Wide Input Compatibility – Supports both voltage and current signals with high precision.

• High Accuracy & Resolution – 16-bit conversion ensures reliable signal representation.

• Integrated Diagnostics – Open input detection and alarms improve maintenance efficiency.

• Industrial Robustness – Designed to operate in environments with high electrical noise.

• Seamless DCS Integration – Compatible with Emerson DeltaV and Ovation systems.

• Fast Response – Rapid signal update ensures real-time process monitoring.

FAQ

1. What signal types does the KJ3231X1-BK1 support?
   The module supports voltage (0-10 V, ±10 V) and current (4-20 mA, 0-20 mA) signals.

2. How is electrical isolation implemented?
   The module provides channel-to-channel and channel-to-system isolation to eliminate ground loops.

3. What is the module’s conversion resolution?
   It uses 16-bit analog-to-digital conversion for precise measurement.

4. Does the module provide diagnostic features?
   Yes, it has open input detection, out-of-range alarms, and continuous self-tests.

5. What is the typical signal update rate?
   Less than 250 milliseconds for all inputs under standard conditions.

6. Is the module suitable for electrically noisy environments?
   Yes, it is designed with robust filtering and isolation to maintain signal integrity.

7. What is the input impedance for voltage and current?
   Voltage input: >1 MΩ, Current input: 50 Ω.

8. Can the module be installed or replaced without shutting down the system?
   Depending on system configuration, it supports hot-swapping.

9. What power requirements does the module have?
   It consumes approximately 3.5 W supplied by the Emerson system backplane.

10. Which control systems are compatible with the KJ3231X1-BK1?
    It integrates seamlessly with Emerson DeltaV and Ovation distributed control systems.

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FAQ

1. What signal types does the KJ3231X1-BK1 support?
   The module supports voltage (0-10 V, ±10 V) and current (4-20 mA, 0-20 mA) signals.

2. How is electrical isolation implemented?
   The module provides channel-to-channel and channel-to-system isolation to eliminate ground loops.

3. What is the module’s conversion resolution?
   It uses 16-bit analog-to-digital conversion for precise measurement.

4. Does the module provide diagnostic features?
   Yes, it has open input detection, out-of-range alarms, and continuous self-tests.

5. What is the typical signal update rate?
   Less than 250 milliseconds for all inputs under standard conditions.

6. Is the module suitable for electrically noisy environments?
   Yes, it is designed with robust filtering and isolation to maintain signal integrity.

7. What is the input impedance for voltage and current?
   Voltage input: >1 MΩ, Current input: 50 Ω.

8. Can the module be installed or replaced without shutting down the system?
   Depending on system configuration, it supports hot-swapping.

9. What power requirements does the module have?
   It consumes approximately 3.5 W supplied by the Emerson system backplane.

10. Which control systems are compatible with the KJ3231X1-BK1?
    It integrates seamlessly with Emerson DeltaV and Ovation distributed control systems.

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