The Emerson KJ2231X1-BB1 Relay Module is designed to interface discrete output signals between the DeltaV™ control system and field devices. This module provides electrically isolated relay outputs for controlling external actuators such as motors, alarms, solenoids, and other on/off devices. It ensures safe, reliable, and flexible signal switching within industrial automation systems.

Key Features

• 8-channel relay output module

• Electrically isolated contact outputs

• Supports normally open (NO) or normally closed (NC) contacts

• LED status indicators for each output

• Compact and rugged design for industrial use

• Seamless integration with DeltaV systems

• DIN rail or chassis-mounted

• Hot-swappable for minimized downtime

Technical Specifications

Industry Applications

• Process automation and control systems

• Discrete manufacturing and material handling

• Oil and gas facilities

• Chemical and petrochemical plants

• Utility substations and water treatment plants

• Safety shutdown systems and emergency controls

Product Advantages

• Electrically isolated contacts enhance safety and signal integrity

• Versatile relay outputs suitable for various loads

• Compatible with a wide range of control voltages and devices

• Plug-and-play installation reduces commissioning time

• On-board diagnostics simplify troubleshooting

• Durable design for harsh industrial environments

Frequently Asked Questions (FAQ)

1. What is the function of the KJ2231X1-BB1 module?

   It provides relay outputs to control field devices via discrete on/off signals.

2. How many outputs does it support?

   It has 8 isolated relay output channels.

3. Is the module hot-swappable?

   Yes, it can be replaced without shutting down the system.

4. What types of loads can it switch?

   It can handle resistive or inductive loads up to 2 A @ 30 VDC or 0.5 A @ 125 VAC.

5. Does it support both NO and NC configurations?

   Yes, it can be configured for either contact type depending on application needs.

6. Is the output electrically isolated?

   Yes, each channel is isolated from the others and from system ground.

7. What are the dimensions of the module?

   Approximately 36mm x 229mm x 51 mm.

8. Can it be used in safety systems?

   Yes, it is commonly used in shutdown and alarm systems where reliable switching is critical.

9. Does it have LED indicators for diagnostics?

   Yes, each output channel has an associated LED status indicator.

10. Is it certified for industrial use?

    Yes, it meets CE, UL, CSA, and RoHS standards.