The ABB Bailey NLSM02 is a Loop Storage Module designed for the INFI 90 Distributed Control System (DCS). It serves as a vital component for storing control loop data, ensuring system recovery and consistent operation in the event of processor failures or system reboots. The module interfaces with the system to periodically save loop parameters, configurations, and other control-related data.

Technical Specifications

Applications

• Storage of control loop configuration in INFI 90 systems

• Used in critical applications for process control redundancy

• Ensures quick system recovery during unplanned power interruptions

• Suitable for industries such as chemical, power, oil & gas, and water treatment

Advantages

• Enhances system reliability by maintaining loop memory

• Seamless integration with existing INFI 90 architecture

• Supports hot-swapping in compatible systems

• Compact design with efficient use of chassis space

• Reduces downtime and configuration loss after a reset

• No need for external power or backup battery

FAQ

Q1: What is the primary role of the NLSM02 module?

A1: It stores loop data for INFI 90 systems, enabling recovery after power loss or failure.

Q2: Is the NLSM02 hot-swappable?

A2: Yes, when used with compatible chassis and system configurations.

Q3: What type of memory is used in the NLSM02?

A3: It uses non-volatile memory to retain data without power.

Q4: Which control systems is the NLSM02 compatible with?

A4: It is designed for use with ABB Bailey INFI 90 systems.

Q5: Does the NLSM02 require a separate power supply?

A5: No, it is powered via the system’s I/O chassis bus.

Q6: What industries typically use the NLSM02?

A6: It is used in utilities, oil & gas, water treatment, and industrial automation.

Q7: What happens if the NLSM02 fails?

A7: Control loop data may not be retained after a system reboot, risking configuration loss.

Q8: Is the NLSM02 programmable?

A8: No, it functions as a fixed-purpose storage module within the INFI 90 system.

Q9: Can the NLSM02 be used in hazardous environments?

A9: It is certified for general industrial environments, not classified hazardous zones.

Q10: How is the module installed?

A10: It is inserted into a standard slot in the INFI 90 chassis and recognized automatically.