Product Description
🔹 General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
AAI143-S50/A4S10 |
|
Description |
Analog Input Module (4–20 mA, 16-channel, Isolated, with Surge Absorber Terminal Block) |
🔹 Description
The AAI143-S50/A4S10 is a high-precision, 16-channel isolated current input module designed for 4 to 20 mA signals. Suitable for dual-redundant configurations, this model includes a pressure clamp terminal block with surge absorber (model ATA4S-10), enhancing protection in industrial environments. It supports HART communication and can be used with 2-wire or 4-wire transmitters.
🔹 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), Power ON≥ 500 kΩ, Power OFF |
|
Accuracy |
±16 µA |
|
Drift (Temperature Change) |
±16 µA per 10°C |
|
Data Update Period |
10 ms |
|
Transmitter Power Supply |
≥ 19.0 V at 20 mA≤ 25.5 V at 0 mA (Output current limit: 25 mA) |
|
2-wire/4-wire Transmitter |
Configurable per channel via setting pin |
|
Max Current Consumption |
230 mA (5 V DC), 540 mA (24 V DC) |
|
External Communication |
Pressure clamp terminal, MIL connector cable, or KS1 dedicated cable |
|
HART Communication |
Available (with suffix -H) |
|
Weight |
0.3 kg |
🔹 Suffix & Option Codes
|
Type |
Code |
Description |
|---|---|---|
|
Suffix Code |
-S |
Standard type |
|
-5 |
No explosion protection |
|
|
-0 |
Basic type |
|
|
Option Code |
/A4S10 |
Pressure Clamp Terminal Block with Surge Absorber (Model: ATA4S-10) |
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