Excellent PLC
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Product Overview
The ABB Bailey NIAI05 is an Analog Input Termination Module designed for the INFI 90 distributed control system. Each NIAI05 module supports 8 analog inputs and works in pairs to interface with the IMASI03 Universal Analog Input Slave Module, handling up to 16 inputs.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | NIAI05 |
| Input Channels | 8 channels per module |
| Input Types Supported | 4-20 mA, thermocouples, RTD (3-wire), ±10 VDC, 1–5 VDC, 0–10 VDC, etc. |
| Compatible Module | IMASI03 Universal Analog Input Slave Module |
| Input Configuration | Jumper-selectable per channel |
| Power Supply | +24 VDC, 320 mA total; 20 mA per input |
| Termination Interface | Terminal blocks for field signal wiring |
| Cable Type | NKAS02 (PVC) / NKAS12 (non-PVC), max 60 m (200 ft) |
| Mounting | NTMU01/02 Termination Mounting Unit (1 slot) |
| Cold Junction Compensation | Yes, integrated RTD for thermocouple accuracy |
| Dimensions (W x H x D) | 78.74 x 215.9 x 233.68 mm |
| Weight | 0.5 kg |
| Operating Temperature | 0°C to 70°C |
| Humidity | 5% to 95% RH non-condensing (up to 55°C) |
| Certification | CSA certified for non-hazardous areas |
Applications
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Power generation plants
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Chemical and petrochemical industries
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Oil and gas facilities
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Paper and pulp manufacturing
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Industrial process automation
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Precision analog measurement systems
Product Advantages
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Handles a wide range of analog signal types
-
Cold junction compensation improves thermocouple accuracy
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Jumper-configurable input types
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Individual channel protection
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Field wiring via onboard terminal blocks
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Long-distance connection to IMASI03 (up to 60 m)
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Robust design with CSA compliance
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Easy maintenance and replacement procedures
Frequently Asked Questions (FAQ)
Q1: How many NIAI05 modules are needed per IMASI03?
A1: Two NIAI05 modules are required per IMASI03 to handle 16 inputs.
Q2: What signal types are accepted by NIAI05?
A2: It accepts thermocouples, RTDs, 4-20 mA (system/external), and voltage inputs up to ±10 VDC.
Q3: Does the NIAI05 support cold junction compensation?
A3: Yes, each module includes an RTD sensor for accurate thermocouple compensation.
Q4: What are the jumper configurations for different inputs?
A4: Jumpers are used per channel to set input type (e.g., current, RTD, single-ended or differential voltage).
Q5: How is the module mounted?
A5: It mounts into a standard NTMU01/02 termination unit and occupies one slot.
Q6: What cable is used between NIAI05 and IMASI03?
A6: NKAS02 or NKAS12 cable (max length 60 m).
Q7: Is there fuse protection per channel?
A7: Yes, Revision B modules include fuses for current inputs.
Q8: What is the field wiring specification?
A8: Use 14–22 AWG wire for field connections.
Q9: Can the module be installed hot (under power)?
A9: No, power should be turned off before installation or removal.
Q10: How often should the module be maintained?
A10: Every 6 months or during scheduled plant shutdown.
Related ABB Bailey Models
| Model | Description | Channels | Dimensions (mm) | Weight |
|---|---|---|---|---|
| NIAI01 | Analog Input Termination Module | 8 | 78.74 x 215.9 x 233.68 | 0.5 kg |
| NIAI03 | RTD Termination Module | 8 | 78.74 x 215.9 x 233.68 | 0.5 kg |
| NIAI04 | Thermocouple Input Termination | 8 | 78.74 x 215.9 x 233.68 | 0.5 kg |
| NIAO05 | Analog Output Termination Module | 8 | 78.74 x 215.9 x 233.68 | 0.5 kg |
| NIDO01 | Digital Output Termination Module | 16 | 78.74 x 215.9 x 233.68 | 0.5 kg |
| NTDI01 | Digital Input Termination Unit | 16 | 78.74 x 215.9 x 233.68 | 0.5 kg |
Popular ABB Bailey Models
| Model | Description | Type | Dimensions (mm) | Weight |
|---|---|---|---|---|
| IMASI03 | Universal Analog Input Slave Module | Analog Input | 78.74 x 215.9 x 233.68 | 0.6 kg |
| IMDSI12 | Digital Input Slave Module | Digital Input | 78.74 x 215.9 x 233.68 | 0.6 kg |
| IMMFP11 | Multi-Function Processor Module | Processor Unit | 78.74 x 215.9 x 233.68 | 0.7 kg |
| INICT13A | Network Interface Controller | Communication | 78.74 x 215.9 x 233.68 | 0.6 kg |
| INNIS21 | Network Interface Slave Module | Communication | 78.74 x 215.9 x 233.68 | 0.6 kg |
| NTDI01 | Digital Input Termination Module | Termination Unit | 78.74 x 215.9 x 233.68 | 0.5 kg |
