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Yokogawa AAI143 h Analog Input Modules
Manufacturer: Yokogawa
Product Number: AAI143-H
Category: Analog Input Module
Number of Channels: 16
Input Signal: 4-20 mA current
System Compatibility: CENTUM VP, ProSafe-RS
Resolution: High-performance, precise signal acquisition
Product Description
The Yokogawa AAI143-H is a high-performance analog input module designed for use with the CENTUM VP and ProSafe-RS process control systems. It supports 16-channel 4–20 mA current input signals, making it ideal for interfacing with a wide range of industrial sensors in process industries. This module offers robust signal isolation, high accuracy, and built-in diagnostic capabilities.
With hot-swappable capability and redundancy support, the AAI143-H enhances system maintainability and reliability. The module’s high-resolution 16-bit A/D conversion ensures precise signal acquisition, contributing to the safe and efficient operation of distributed control systems.
Key Features
-
16 Analog Input Channels: Standard 4–20 mA current loop input for broad sensor compatibility.
-
High Accuracy: 16-bit A/D conversion with ±0.1% full-scale accuracy.
-
Channel-to-Channel Isolation: Electrical isolation between channels enhances noise immunity and safety.
-
Hot-Swappable Design: Module replacement without system shutdown.
-
Redundancy Support: Compatible with redundant system architectures.
-
Self-Diagnostics: Detects faults in signal, wiring, and power supply.
-
SIL2/SIL3 Certified: Suitable for safety-critical applications following IEC 61508.
Technical Specifications
Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 107.5 × 32.8 × 130 mm |
| Weight | 0.3 kg |
General Information
| Item | Specification |
|---|---|
| Model | AAI143-H |
| Manufacturer | Yokogawa |
| Type | Analog Input Module |
| Channels | 16 |
| Input Signal | 4–20 mA current |
| Mounting | Installed on I/O base (N-IO) |
Performance Parameters
| Item | Specification |
|---|---|
| Resolution | 16-bit |
| Accuracy | ±0.1% of full scale |
| Input Impedance | 250 Ω |
| Channel Isolation | Optical isolation per channel |
| Sampling Rate | ≤ 100 ms (all channels) |
| Data Output | Digital format (engineering unit configurable) |
Electrical Specifications
| Item | Specification |
|---|---|
| Power Supply | Provided by control system backplane |
| Power Consumption | ≤ 2.5 W |
| Input Protection | Over-voltage and reverse polarity protection |
| Overload Capacity | Max 30 mA with automatic protection |
| Redundancy Support | Supports I/O and power redundancy |
Environmental Conditions
| Item | Specification |
|---|---|
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95% RH (non-condensing) |
| EMI Immunity | Compliant with IEC/EN 61000-4 series |
| Protection Class | IP20 (when installed in rack) |
Industry Applications
The Yokogawa AAI143-H is deployed in various high-reliability and precision-required industries:
-
Oil & Gas and Petrochemical: Real-time data collection of pressure, flow, and temperature in refining and pipeline systems.
-
Power Generation: Monitoring of boiler and turbine parameters to ensure reliable plant operation.
-
Water Treatment: Captures signals from flowmeters, turbidity, and pH sensors for process control.
-
Pharmaceutical: Enables precise measurement for controlled dosing and fermentation processes.
-
Metallurgy and Mining: Withstands noisy industrial environments and ensures accurate signal input.
As a core component of Yokogawa’s automation platform, the AAI143-H ensures consistent and reliable performance for complex industrial process control applications.
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Yokogawa AAI143 h Analog Input Modules
Manufacturer: Yokogawa
Product Number: AAI143-H
Category: Analog Input Module
Number of Channels: 16
Input Signal: 4-20 mA current
System Compatibility: CENTUM VP, ProSafe-RS
Resolution: High-performance, precise signal acquisition
Product Description
The Yokogawa AAI143-H is a high-performance analog input module designed for use with the CENTUM VP and ProSafe-RS process control systems. It supports 16-channel 4–20 mA current input signals, making it ideal for interfacing with a wide range of industrial sensors in process industries. This module offers robust signal isolation, high accuracy, and built-in diagnostic capabilities.
With hot-swappable capability and redundancy support, the AAI143-H enhances system maintainability and reliability. The module’s high-resolution 16-bit A/D conversion ensures precise signal acquisition, contributing to the safe and efficient operation of distributed control systems.
Key Features
-
16 Analog Input Channels: Standard 4–20 mA current loop input for broad sensor compatibility.
-
High Accuracy: 16-bit A/D conversion with ±0.1% full-scale accuracy.
-
Channel-to-Channel Isolation: Electrical isolation between channels enhances noise immunity and safety.
-
Hot-Swappable Design: Module replacement without system shutdown.
-
Redundancy Support: Compatible with redundant system architectures.
-
Self-Diagnostics: Detects faults in signal, wiring, and power supply.
-
SIL2/SIL3 Certified: Suitable for safety-critical applications following IEC 61508.
Technical Specifications
Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 107.5 × 32.8 × 130 mm |
| Weight | 0.3 kg |
General Information
| Item | Specification |
|---|---|
| Model | AAI143-H |
| Manufacturer | Yokogawa |
| Type | Analog Input Module |
| Channels | 16 |
| Input Signal | 4–20 mA current |
| Mounting | Installed on I/O base (N-IO) |
Performance Parameters
| Item | Specification |
|---|---|
| Resolution | 16-bit |
| Accuracy | ±0.1% of full scale |
| Input Impedance | 250 Ω |
| Channel Isolation | Optical isolation per channel |
| Sampling Rate | ≤ 100 ms (all channels) |
| Data Output | Digital format (engineering unit configurable) |
Electrical Specifications
| Item | Specification |
|---|---|
| Power Supply | Provided by control system backplane |
| Power Consumption | ≤ 2.5 W |
| Input Protection | Over-voltage and reverse polarity protection |
| Overload Capacity | Max 30 mA with automatic protection |
| Redundancy Support | Supports I/O and power redundancy |
Environmental Conditions
| Item | Specification |
|---|---|
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95% RH (non-condensing) |
| EMI Immunity | Compliant with IEC/EN 61000-4 series |
| Protection Class | IP20 (when installed in rack) |
Industry Applications
The Yokogawa AAI143-H is deployed in various high-reliability and precision-required industries:
-
Oil & Gas and Petrochemical: Real-time data collection of pressure, flow, and temperature in refining and pipeline systems.
-
Power Generation: Monitoring of boiler and turbine parameters to ensure reliable plant operation.
-
Water Treatment: Captures signals from flowmeters, turbidity, and pH sensors for process control.
-
Pharmaceutical: Enables precise measurement for controlled dosing and fermentation processes.
-
Metallurgy and Mining: Withstands noisy industrial environments and ensures accurate signal input.
As a core component of Yokogawa’s automation platform, the AAI143-H ensures consistent and reliable performance for complex industrial process control applications.
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