Product Description
🔹 General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
AAI143-S50 |
|
Description |
Analog Input Module (4 to 20 mA, 16-channel, Isolated) |
🔹 Description
The Yokogawa AAI143-S50 is a 16-channel analog input module designed for receiving 4 to 20 mA current signals. It features channel-to-system isolation, allowing safe and accurate signal acquisition. Suitable for critical systems, it supports dual-redundant configurations and HART communication (when the -H suffix is used). This module is also compatible with both 2-wire and 4-wire transmitters.
🔹 Technical Specifications
|
Item |
Specification |
|---|---|
|
Model |
AAI143 |
|
Type |
Analog Input Module |
|
Number of Channels |
16, isolated |
|
Input Signal |
4 to 20 mA |
|
Allowable Input Current |
24 mA |
|
Withstanding Voltage |
1500 V AC for 1 minute (between input and system) |
|
Input Resistance (Power ON) |
270 Ω (20 mA) to 350 Ω (4 mA) |
|
Input Resistance (Power OFF) |
≥500 kΩ |
|
Accuracy |
±16 µA |
|
Data Update Period |
10 ms |
|
Transmitter Power Supply |
19.0 V or higher @ 20 mA, max 25.5 V @ 0 mA (current limit: 25 mA) |
|
2-wire/4-wire Support |
Selectable per channel by setting pin |
|
Temperature Drift |
±16 µA per 10 °C |
|
Max Current Consumption |
230 mA @ 5 V DC, 540 mA @ 24 V DC |
|
Weight |
Approx. 0.3 kg |
|
External Connection |
Pressure clamp terminal, MIL connector cable, KS1 dedicated cable |
|
HART Communication |
Available (with -H suffix) |
🔹 Model and Suffix Code Breakdown
|
Model |
Description |
|---|---|
|
AAI143 |
16-channel Analog Input Module (4–20 mA, Isolated) |
|
Suffix Code |
Meaning |
|---|---|
|
-S |
Standard type |
|
5 |
With no explosion protection |
|
0 |
Basic type |
✅ AAI143-S50 =
-
Standard model
-
No explosion protection
-
Basic version
🔹 Available Option Codes
|
Option Code |
Description |
|---|---|
|
/K4A00 |
With KS Cable Interface Adapter [ATK4A-00] |
|
/A4S00 |
With Pressure Clamp Terminal Block [ATA4S-00] |
|
/A4S10 |
With Surge Absorber Terminal Block [ATA4S-10] |
|
/A4D00 |
With Dual Pressure Clamp Terminal Block [ATA4D-00] |
|
/A4D10 |
With Dual Clamp Terminal Block (surge absorber) [ATA4D-10] |
|
/CCC01 |
With Connector Cover for MIL Cable [ACCC01] |
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