Product Description
AAI143-H50 S1 Analog Input Module Overview
Manufacturer: Yokogawa
Model/Part Number: AAI143-H50 S1
Description: Analog Input Module (4 to 20 mA, 16-channel, Isolated)
The AAI143-H50 S1 is a high-performance Analog Input Module from Yokogawa, designed for industrial applications requiring isolated analog input signals. This module supports 16 input channels that handle 4-20 mA signals with isolation, ensuring precise data acquisition while preventing electrical interference. It is built to deliver stable and reliable performance, especially in dual-redundant configurations, making it suitable for mission-critical systems in industries such as manufacturing, energy, and petrochemical processing.
Key Features of AAI143-H50 S1
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16 Isolated Input Channels: Ideal for industrial environments requiring isolation between input signals and system control.
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Signal Compatibility: Supports 4-20 mA current input signals, suitable for various process control and monitoring applications.
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Dual-Redundancy Capability: Can be configured in dual-redundant setups to enhance reliability.
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Explosion-Proof Options: Available with explosion protection for use in hazardous environments.
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HART Communication Support: Allows advanced diagnostics and integration with other control systems via HART protocol.
Technical Specifications
| Specification |
Details |
| Input Signal |
4-20 mA DC |
| Number of Input Channels |
16, isolated |
| Allowable Input Current |
24 mA |
| Withstanding Voltage |
1500 V AC between input and system (for 1 minute) |
| Input Resistance (Power ON) |
270 Ω (at 20 mA) to 350 Ω (at 4 mA) |
| Input Resistance (Power OFF) |
≥ 500 kΩ |
| Accuracy |
±16 μA |
| Data Update Period |
10 ms |
| Transmitter Power Supply |
19.0 V or higher (at 20 mA), 25.5 V or less (at 0 mA) |
| Temperature Drift |
±16 μA/10 °C |
| Maximum Power Consumption |
230 mA (5 V DC), 540 mA (24 V DC) |
| Weight |
0.3 kg |
| External Communication |
Pressure clamp terminal, MIL connector cable, dedicated cable (KS1) |
| HART Communication |
Available |
Model and Suffix Codes
| Suffix Code |
Description |
| -S |
Standard type |
| -H |
With HART communication support |
| 5 |
Without explosion protection |
| E |
With explosion protection |
| 0 |
Basic type |
| 3 |
With ISA Standard G3 and temperature range (-20 to 70 °C) option |
Option Codes
| Option Code |
Description |
| /K4A00 |
KS Cable Interface Adapter (For connecting AEA4D Terminal Board) [Model: ATK4A-00] |
| /A4S00 |
Pressure Clamp Terminal Block [Model: ATA4S-00] |
| /A4S10 |
Pressure Clamp Terminal Block (with surge absorber) [Model: ATA4S-10] |
| /A4D00 |
Dual Pressure Clamp Terminal Block [Model: ATA4D-00] |
| /A4D10 |
Dual Pressure Clamp Terminal Block (with surge absorber) [Model: ATA4D-10] |
| /CCC01 |
Connector Cover for MIL Cable [Model: ACCC01] |
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