Product Description
🔹 General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
AAI143-H00/A4S00 |
|
Description |
Analog Input Module (4–20 mA, 16-channel, Isolated) with HART & Pressure Clamp Terminal Block |
🔹 Description
The AAI143-H00/A4S00 is a 16-channel isolated analog input module used in distributed control systems. It supports 4–20 mA analog signals, HART communication, and includes the /A4S00 option — a Pressure Clamp Terminal Block (ATA4S-00) for easier field wiring.
The HART-enabled module supports digital communication over the same signal line, allowing device diagnostics, configuration, and calibration without disrupting analog signal transmission.
🔹 Technical Specifications
|
Item |
Specification |
|---|---|
|
Model |
AAI143 |
|
Input Channels |
16, isolated |
|
Input Signal |
4 to 20 mA |
|
Allowable Input Current |
24 mA |
|
Withstanding Voltage |
1500 V AC (1 minute, input to system) |
|
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 @ 20 mA; ≤25.5 V @ 0 mA (limit: 25 mA) |
|
Transmitter Type Setting |
Per channel, via setting pin (2-wire / 4-wire) |
|
Temp Drift |
±16 µA per 10 °C |
|
Max Current Consumption |
230 mA @ 5 V DC; 540 mA @ 24 V DC |
|
Weight |
0.3 kg |
|
External Communication |
Pressure clamp terminal, MIL connector, KS1 cable |
|
HART Communication |
Available (digital protocol supported) |
🔹 Model Configuration
|
Code |
Meaning |
|---|---|
|
H |
HART protocol supported |
|
00 |
Basic type, no explosion protection or environmental option |
|
/A4S00 |
Includes Pressure Clamp Terminal Block (ATA4S-00) |
🔹 Option Summary
|
Option Code |
Description |
|---|---|
|
/A4S00 |
Pressure Clamp Terminal Block (ATA4S-00) — for simple wiring |
|
Other Options |
Surge protection, dual terminals, MIL cable covers, etc. |
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