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Product Description
The ABB Bailey NLSM01 is a Loop Storage Module specifically designed for use in the INFI 90 Distributed Control System (DCS). Integrated within the NCIU02 interface unit, the NLSM01 temporarily stores data collected from the plant loop before transferring it to a connected computer or control system. It ensures high-reliability data buffering in critical industrial automation environments.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | NLSM01 |
| Product Type | Loop Storage Module |
| System Compatibility | INFI 90 DCS |
| Interface | Serial RS-232 via NTMF01 |
| Data Transfer Rate | Up to 19,200 Baud (serial) |
| IEEE-488 (Optional) | Not supported by all drivers |
| Typical Configuration | Works with NLIM02 and NBTM01 |
| Installation Method | Mounted in module chassis |
| Dimensions (L × W × H) | 125 × 70 × 30 mm |
| Weight | 0.84 kg |
| Operating Mode | Passive data buffering |
| Communication Method | Serial (RS-232) via 25-pin D-sub connector |
Applications
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Industrial process automation
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Data buffering in plant loop communications
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Integration with ABB Bailey INFI 90 and Net 90 DCS
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Suitable for chemical, power generation, and pulp & paper sectors
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Temporary storage of large-scale tag data prior to transmission
Advantages
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Designed specifically for robust data buffering
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Seamless integration with NCIU02 architecture
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RS-232 support ensures compatibility with legacy systems
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Reliable operation in demanding industrial settings
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Compact form factor for easy chassis integration
Frequently Asked Questions (FAQ)
Q1: What is the function of the NLSM01 module?
A1: It serves as a data storage buffer within the NCIU02 configuration for INFI 90 DCS.
Q2: Is the NLSM01 compatible with modern communication interfaces?
A2: It uses RS-232 serial communication; IEEE-488 support is optional and limited.
Q3: What kind of systems can the NLSM01 be used with?
A3: It is designed for ABB Bailey INFI 90 DCS systems.
Q4: Can the module function independently?
A4: No, it operates as part of a node including NLIM02 and NBTM01 modules.
Q5: What is the maximum supported baud rate?
A5: It supports up to 19,200 Baud through the serial interface.
Q6: Is this module field-replaceable?
A6: Yes, it is designed for modular replacement in the mounting chassis.
Q7: Does the NLSM01 have any onboard diagnostics?
A7: No, diagnostics are managed through the interfaced modules and control system.
Q8: Can I use NLSM01 with third-party OPC drivers?
A8: Yes, if the driver supports RS-232 communication with INFI 90 systems.
Q9: Is the IEEE-488 port mandatory?
A9: No, and support for it is often not enabled by the driver.
Q10: How should the module be mounted?
A10: It is mounted in a dedicated chassis slot alongside NLIM02 and NBTM01.
Related or Compatible Models
| Model | Description | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| NLIM02 | Loop Interface Module | 125 × 70 × 30 | 0.82 |
| NBTM01 | Bus Transfer Module | 125 × 70 × 30 | 0.80 |
| NCIU02 | Computer Interface Unit | Varies | ~2.50 |
| NTMF01 | Termination Unit | 130 × 90 × 35 | 0.90 |
| NLSM02 | Enhanced Loop Storage Module | 125 × 70 × 30 | 0.88 |
| NPBS01 | Parallel Bus Slave Module | 125 × 70 × 30 | 0.75 |
Popular ABB Bailey Models
| Model | Description | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| INICT03 | INFI-NET to Computer Transfer Module | 125 × 70 × 30 | 0.85 |
| INNIS01 | Network Interface Slave Module | 125 × 70 × 30 | 0.84 |
| INICT12 | Super Loop Interface Module | 125 × 70 × 30 | 0.85 |
| IIMCP02 | Communication Processor Module | 125 × 70 × 30 | 0.87 |
| NCIU01 | Computer Interface Unit | Varies | ~2.30 |
| INICI03 | INFI-NET to Computer Interface | 125 × 70 × 30 | 0.85 |
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