The Yokogawa AAI143-H00 S1 delivers comprehensive analog input capabilities with integrated HART protocol support for smart field devices. This advanced module combines 16 fully isolated channels with digital communication for enhanced process visibility. Engineers select this unit when they require both analog measurement and access to HART diagnostic data. You can depend on the Yokogawa AAI143-H00 S1 for seamless integration with intelligent instruments. Its robust design ensures reliable operation in demanding industrial automation environments.
Complete Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | Yokogawa AAI143-H00 S1 |
| Product Type | Isolated Analog Input Module with HART |
| Manufacturer | Yokogawa Electric Corporation |
| Series Compatibility | CENTUM VP, ProSafe-RS, CENTUM CS 3000 |
| Number of Channels | 16 fully isolated inputs |
| Input Signal Types | 4 to 20 mA DC current or 1 to 5 V DC voltage |
| Input Impedance (Current Mode) | 250 Ω ±0.1% |
| Input Impedance (Voltage Mode) | 1 MΩ |
| Maximum Allowable Input Current | 24 mA DC |
| Input Resistance (Current Mode) | 270 Ω at 20 mA, 350 Ω at 4 mA |
| Protocol Support | HART communication (digital overlay on analog) |
| Resolution | 12-bit minimum, configurable for higher |
| Accuracy | ±0.1% of span typical |
| Scan Cycle | 10 ms for all 16 channels simultaneous |
| Channel Isolation | Channel-to-channel and channel-to-ground |
| Withstanding Voltage | 1500 V AC between input and system for 1 minute |
| Power Supply | 24 V DC via system backplane |
| Power Consumption | 5.2 W typical |
| Operating Temperature | -20°C to +70°C (-4°F to 158°F) |
| Storage Temperature | -40°C to +85°C (-40°F to 185°F) |
| Humidity Range | 5% to 95% RH non-condensing |
| Dimensions (H x W x D) | 130 mm x 30 mm x 115 mm (5.12 x 1.18 x 4.53 inches) |
| Net Weight | 0.26 kg (0.57 lbs) |
| Shipping Weight | 2.2 kg (4.85 lbs) including packaging |
| Mounting Options | DIN rail, panel mount, or backplane in node unit |
| Termination Type | Pressure clamp terminal block |
| Wire Gauge Range | 18 to 22 AWG recommended |
| MTBF | > 750,000 hours |
| Certifications | CE, UL, CSA, FM Class I Div 2 |
HART Communication Capabilities
The Yokogawa AAI143-H00 S1 supports HART protocol on all 16 input channels simultaneously. You can access device diagnostics, calibration data, and secondary variables from smart transmitters. This digital overlay does not interfere with the primary 4 to 20 mA analog signal.
| HART Feature | Capability | Benefit |
|---|---|---|
| Protocol Version | HART Revision 5, 6, or 7 compatible | Works with all modern HART devices |
| Digital Update Rate | 2-3 updates per second per channel | Provides timely diagnostic data |
| Burst Mode Support | Configurable for high-speed updates | Reduces communication overhead |
| Device Variables | Access up to 4 device variables per instrument | Extends process visibility |
| Multidrop Support | Multiple devices on single channel | Reduces wiring requirements |
| Diagnostic Access | Read device status and health data | Enables predictive maintenance |
Input Signal Configuration Options
This versatile module accepts both current and voltage signals without external converters. The Yokogawa AAI143-H00 S1 automatically detects the input type based on wiring configuration. You can mix current and voltage devices across the 16 channels for maximum flexibility.
| Input Mode | Signal Range | Input Impedance | Typical Applications |
|---|---|---|---|
| Current Mode | 4 to 20 mA DC | 250 Ω | Pressure, flow, level transmitters |
| Current with HART | 4 to 20 mA + digital | 250 Ω | Smart transmitters with diagnostics |
| Voltage Mode | 1 to 5 V DC | 1 MΩ | Proximity sensors, position feedback |
| Voltage Mode (Extended) | 0 to 10 V DC | 1 MΩ | Analytical instruments, specialty sensors |
Channel Isolation Architecture
The Yokogawa AAI143-H00 S1 features comprehensive isolation for demanding applications. Each channel operates independently without electrical connection to other channels or ground. This design eliminates ground loops and prevents fault propagation between circuits.
Channel-to-Channel Isolation: 500 V AC continuous between any two channels
Channel-to-Ground Isolation: 1500 V AC for 1 minute dielectric withstand
Channel-to-System Isolation: 250 V AC continuous working voltage
Common Mode Rejection: 120 dB at 50/60 Hz ensures clean measurements
Isolation Barrier: Optical isolation with transformer-coupled power
Creepage Distance: 8 mm minimum on PCB for safety compliance
Surge Withstand: 4 kV per IEC 61000-4-5
Performance Specifications
The module delivers exceptional speed and accuracy for critical control applications. Its 10 ms scan cycle updates all 16 channels simultaneously for coordinated process response. You can rely on the Yokogawa AAI143-H00 S1 for tight control loops requiring fast updates.
Scan Cycle: 10 ms simultaneous sampling across all channels
Resolution: 12-bit minimum with selectable higher resolution options
Accuracy: ±0.1% of span typical across full temperature range
Temperature Drift: ±75 ppm/°C maximum from 25°C reference
Linearity: ±0.05% of span ensures consistent performance
Repeatability: ±0.03% of span for identical input conditions
Step Response: 95% of final value within 15 ms
Noise Rejection: 60 dB at 50/60 Hz normal mode
CMRR: 120 dB at 50/60 Hz common mode
Physical Characteristics and Mounting Options
The Yokogawa AAI143-H00 S1 offers flexible installation options to match your cabinet design. You can mount this module on standard DIN rails, directly on panels, or in Yokogawa node unit backplanes. Its compact size conserves valuable control panel space.
| Mounting Method | Installation Details | Space Requirements |
|---|---|---|
| DIN Rail Mount | 35 mm symmetrical DIN rail | 30 mm width per module |
| Panel Mount | Direct screw mounting on backplate | 130 mm x 115 mm footprint |
| Node Unit Backplane | Plug into Yokogawa I/O racks | Single slot width |
| Multiple Modules | Side-by-side mounting without gaps | No minimum spacing required |
| DIN Rail Clip | Integrated spring clip for secure attachment | Tool-less installation |
Environmental Durability
Industrial environments demand components that withstand extreme conditions reliably. The Yokogawa AAI143-H00 S1 operates continuously from -20°C to +70°C without performance degradation. You can install this module in unconditioned field enclosures or temperature-controlled control rooms.
Operating Temperature Range: -20°C to +70°C covers most industrial locations
Storage Temperature Range: -40°C to +85°C protects during transport
Humidity Range: 5% to 95% RH non-condensing for humid environments
Vibration Resistance: 3 mm amplitude at 10 to 55 Hz per IEC 61131-2
Shock Resistance: 15 G peak acceleration for 11 ms duration
Pollution Degree: 2 per IEC 60664-1 for industrial environments
Altitude Rating: Up to 2000 meters above sea level
Details
| Weight | 0.7 kg |
|---|---|
| Dimensions | 2.5 × 20.3 × 15.2 mm |
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