Product Description
🔹 General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
AAI143-H00 S2 |
|
Description |
Analog Input Module (4–20 mA, 16-Channel, Isolated) with HART, S2 redundancy |
🔹 Description
The AAI143-H00 S2 is a 16-channel isolated analog input module designed for handling 4 to 20 mA current signals, equipped with HART digital communication support. The “S2” in the model name typically denotes enhanced system redundancy or safety instrumented systems (SIS) support, suitable for dual-redundant or high-integrity process control systems.
🔹 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 min) 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 @ 20 mA, ≤25.5 V @ 0 mA (25 mA limit) |
|
Transmitter Type Setting |
2-wire / 4-wire per channel (via pin setting) |
|
Temperature Drift |
±16 µA/10 ˚C |
|
Max Current Consumption |
230 mA @ 5 V DC; 540 mA @ 24 V DC |
|
Weight |
0.3 kg |
|
External Communication |
MIL connector, pressure clamp terminal, or KS1 cable |
|
HART Communication |
✔ Supported |
🔹 Model Configuration
|
Code Segment |
Meaning |
|---|---|
|
-H00 |
With HART communication, basic type, no explosion protection |
|
S2 |
Enhanced redundancy/version for high-integrity systems (e.g., SIS) |
🔹 Optional Accessories (Not included by default)
|
Option Code |
Description |
|---|---|
|
/K4A00 |
KS Cable Interface Adapter (ATK4A-00) |
|
/A4S00 |
Pressure Clamp Terminal Block (ATA4S-00) |
|
/A4S10 |
Pressure Clamp Terminal Block with surge absorber (ATA4S-10) |
|
/A4D00 |
Dual Pressure Clamp Terminal Block (ATA4D-00) |
|
/A4D10 |
Dual Pressure Clamp Terminal Block with surge absorber (ATA4D-10) |
|
/CCC01 |
MIL Cable Connector Cover (ACCC01) |
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