Product Description
🔹 General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
AAI841-H00/K4A00 |
|
Description |
Analog I/O Module (8-channel input/8-channel output, Non-Isolated, with KS Cable Adapter) |
🔹 Description
The AAI841-H00/K4A00 is an 8-channel input/8-channel output analog I/O module designed for handling current (4–20 mA) signals. It supports non-isolated configuration and dual-redundant operations, making it suitable for critical applications in industrial automation systems. This version includes a KS Cable Interface Adapter for flexible system wiring.
It also supports HART communication protocol, enabling enhanced diagnostics and digital signal communication over the analog wiring.
🔹 Technical Specifications
|
Specification |
Details |
|---|---|
|
Number of Channels |
8 inputs / 8 outputs |
|
Isolation |
Non-isolated |
|
Signal Type (Input) |
4 to 20 mA |
|
Signal Type (Output) |
4 to 20 mA |
|
Allowable Input Current |
25 mA |
|
Allowable Input Voltage |
±7.5 V (for voltage input models) |
|
Input Resistance (Power ON) |
400 Ω (at 20 mA) to 1000 Ω (at 4 mA) |
|
Input Resistance (Power OFF) |
≥500 kΩ |
|
Allowable Load Resistance |
0 to 750 Ω |
|
Circuit-Open Detection |
Less than 0.65 mA |
|
Accuracy |
Input: ±16 µA, Output: ±48 µA |
|
Data Update Period |
10 ms |
|
Input Step Response Time |
100 ms |
|
Output Step Response Time |
40 ms |
|
Transmitter Power Supply |
≥14.8 V at 20 mA, ≤26.4 V at 0 mA |
|
Temperature Drift |
±0.1% / 10 °C |
|
Maximum Current Consumption |
310 mA (5 V DC), 500 mA (24 V DC) |
|
Weight |
0.3 kg |
|
External Connection |
KS Cable Interface (via ATK4A-00 adapter) |
|
HART Communication |
Supported (at current input/output) |
|
2-wire/4-wire Transmitter Setting |
Selectable per channel (via pin setting) |
🔹 Suffix and Option Codes Breakdown
|
Code |
Description |
|---|---|
|
-H00 |
With digital communication (HART protocol), basic type |
|
/K4A00 |
With KS Cable Interface Adapter [Model: ATK4A-00] |