Product Description
🔹 General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
AAI143-S50/A4S00 |
|
Description |
Analog Input Module (4–20 mA, 16-channel, Isolated) |
🔹 Description
The Yokogawa AAI143 is a 16-channel isolated analog input module designed for current inputs (4 to 20 mA). It supports dual-redundant configurations and offers high-precision measurement with HART communication capability. The AAI143 is suitable for use in both standard and harsh environments and can be paired with a variety of terminal block options.
🔹 Specifications
|
Item |
Specification |
|---|---|
|
Model |
AAI143 |
|
Number of Input Channels |
16 (isolated) |
|
Input Signal |
4 to 20 mA |
|
Allowable Input Current |
24 mA |
|
Withstanding Voltage |
1500 V AC between input and system (for 1 minute) |
|
Input Resistance |
270 Ω (at 20 mA) to 350 Ω (at 4 mA) when power ON500 kΩ or more when OFF |
|
Accuracy |
±16 µA |
|
Drift (Temp. Change) |
±16 µA per 10°C |
|
Data Update Period |
10 ms |
|
Transmitter Power Supply |
19.0 V or higher at 20 mA25.5 V max at 0 mA(output current limit: 25 mA) |
|
2-wire/4-wire Transmitter |
Selectable per channel via setting pin |
|
Maximum Current Consumption |
230 mA (5 V DC), 540 mA (24 V DC) |
|
External Communication |
Pressure clamp terminal, MIL connector cable, or dedicated KS1 cable |
|
HART Communication |
Available (optional suffix -H) |
|
Weight |
0.3 kg |
🔹 Suffix & Option Codes
|
Code Type |
Code |
Description |
|---|---|---|
|
Suffix Code |
-S |
Standard type |
|
-5 |
No explosion protection |
|
|
-0 |
Basic type |
|
|
Option Code |
/A4S00 |
Pressure Clamp Terminal Block (ATA4S-00) |
|
/K4A00 |
KS Cable Interface Adapter (connects AEA4D board) |
|
|
/CCC01 |
MIL cable connector cover (ACCC01) |
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