Product Description
～🔹 General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
AAI143-S50/ATA4S-00 |
|
Description |
Analog Input Module (4 to 20 mA, 16-channel, Isolated) with Pressure Clamp Terminal Block |
🔹 Description
The AAI143-S50/ATA4S-00 is a 16-channel isolated analog input module designed to receive 4 to 20 mA current signals. This model includes a pressure clamp terminal block for straightforward field wiring. It supports dual-redundant configurations and 2-wire or 4-wire transmitter support, selectable per channel. It also features optional HART communication (not included in this standard -S version).
🔹 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 (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 @ 20 mA, max 25.5 V @ 0 mA (25 mA limit) |
|
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 block (ATA4S-00), MIL connector cable, KS1 cable |
|
HART Communication |
Available (requires -H suffix) – Not included in this model |
🔹 Model Configuration
|
Model Code |
Details |
|---|---|
|
AAI143-S50 |
Standard module, no explosion protection, basic type |
|
/ATA4S-00 |
Option for Pressure Clamp Terminal Block [Model: ATA4S-00] |
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