The Yokogawa AAI143-H00/K4A00 represents the pinnacle of analog input technology for modern industrial automation systems. This sophisticated module combines 16 fully isolated channels with both HART communication and the convenient KS Cable Interface. Engineers select this advanced unit when they need comprehensive field device access alongside simplified wiring installation. You can depend on the Yokogawa AAI143-H00/K4A00 for seamless integration with intelligent instruments and rapid deployment capabilities. Its robust feature set ensures maximum process visibility with minimal installation effort.
Complete Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | Yokogawa AAI143-H00/K4A00 |
| Product Type | Isolated Analog Input Module with HART and KS Interface |
| Manufacturer | Yokogawa Electric Corporation |
| Series Compatibility | CENTUM VP, ProSafe-RS, CENTUM CS 3000 |
| Suffix Code -H00 | HART communication protocol support |
| Suffix Code /K4A00 | KS Cable Interface Adapter |
| 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 Revision 5, 6, and 7 compatible |
| 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 | 5.4 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 | 0.27 kg (0.60 lbs) |
| Shipping Weight | 2.3 kg (5.07 lbs) including KS cable assembly |
| Interface Type | KS Cable Interface Adapter with 40-pin connector |
| Mounting Options | DIN rail, panel mount, or backplane in node unit |
| Termination Type | KS cable with pre-wired connections |
| MTBF | > 700,000 hours |
| Certifications | CE, UL, CSA, FM Class I Div 2 |
KS Cable Interface Features
The /K4A00 suffix adds the KS Cable Interface Adapter to the already powerful AAI143-H00 module. This feature dramatically simplifies field wiring and virtually eliminates installation errors. You can connect pre-fabricated KS cables directly to the module without individual terminal wiring. The interface adapter maintains signal integrity for both analog and HART digital communications.
| KS Interface Component | Specification | Installation Benefit |
|---|---|---|
| Module Connector | 40-pin male header with gold-plated contacts | Corrosion-resistant reliable connection |
| Mating Cable Assembly | Pre-wired KS cable with 40-pin female connector | Eliminates 32 individual wire terminations |
| Cable Length Options | 1 m, 2 m, 3 m, or 5 m standard lengths | Matches field junction box distances |
| Wire Construction | Shielded twisted-pair for each channel | Preserves HART signal integrity |
| Cable Shielding | Overall foil shield with drain wire | Provides excellent noise immunity |
| Connector Locking | Screw-lock mechanism secures connection | Prevents vibration-induced disconnection |
| Channel Identification | Numbered conductors for each channel | Simplifies troubleshooting and verification |
HART Communication Capabilities
The Yokogawa AAI143-H00/K4A00 supports comprehensive HART protocol on all 16 input channels. You can access device diagnostics, calibration data, and secondary variables from smart transmitters. The KS Cable Interface maintains the signal quality necessary for reliable digital communication.
HART Protocol Support: Revision 5, 6, and 7 compatible with all modern devices
Digital Update Rate: 2-3 updates per second per channel for timely diagnostics
Burst Mode: Configurable for high-speed updates from critical instruments
Device Variables: Access up to 4 device variables per HART instrument
Multidrop Support: Multiple devices on single channel for wiring efficiency
Diagnostic Access: Read device status, maintenance alerts, and health data
Configuration Tools: Compatible with Yokogoga FieldMate and AMS Device Manager
HART Pass-Through: Allows direct modem connection for device configuration
Input Signal Configuration
This versatile module accepts both current and voltage signals without external converters. The Yokogawa AAI143-H00/K4A00 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 | HART Support | KS Cable Wiring |
|---|---|---|---|
| Current with HART | 4 to 20 mA + digital | Yes | Twisted-pair with shield |
| Current only | 4 to 20 mA | No | Twisted-pair optional |
| Voltage Mode | 1 to 5 V DC | No | Individual conductors |
| Voltage Extended | 0 to 10 V DC | No | Individual conductors |
Channel Isolation Architecture
The Yokogawa AAI143-H00/K4A00 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.
| Isolation Parameter | Rating | Protection Benefit |
|---|---|---|
| Channel-to-Channel | 500 V AC continuous | Prevents fault spread between instruments |
| Channel-to-Ground | 1500 V AC for 1 minute | Protects system from high-voltage surges |
| Channel-to-System | 250 V AC continuous | Safe working voltage for personnel |
| Common Mode Rejection | 120 dB at 50/60 Hz | Eliminates ground noise effects |
| Surge Withstand | 4 kV per IEC 61000-4-5 | Withstands lightning-induced transients |
| Isolation Barrier | Optical and transformer | Complete galvanic separation |
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/K4A00 for tight control loops requiring fast updates.
Scan Cycle: 10 ms simultaneous sampling across all 16 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/K4A00 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 with KS interface still 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 |
| KS Cable Routing | Minimum 50 mm bend radius | Maintains signal integrity |
| Multiple Modules | Side-by-side mounting without gaps | No minimum spacing required |
Environmental Durability
Industrial environments demand components that withstand extreme conditions reliably. The Yokogawa AAI143-H00/K4A00 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
KS Cable Temperature Rating: -20°C to +80°C for field routing
Details
| Weight | 0.7 kg |
|---|---|
| Dimensions | 2.5 × 20.3 × 15.2 mm |
Reviews
There are no reviews yet.