Product Description
🔹 General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
AAI835-S03 |
|
Description |
Analog I/O Module (4 to 20 mA, 4-input / 4-output, Isolated Channels, with HART) |
🔹 Description
The AAI835-S03 is an Analog I/O Module featuring 4 channels of input and 4 channels of output, with each channel isolated. The module supports 4–20 mA signals and integrates HART communication for flexible communication with field devices. It is suitable for use in dual-redundant configurations, ensuring reliable operation in critical applications.
🔹 Technical Specifications
|
Specification |
Details |
|---|---|
|
Model Base |
AAI835 |
|
Input Channels |
4 (Isolated) |
|
Output Channels |
4 (Isolated) |
|
Signal Type |
4 to 20 mA (input and output) |
|
Allowable Input Current |
25 mA |
|
Allowable Load Resistance (Output) |
0 to 750 Ω |
|
Withstanding Voltage |
500 V AC between field/system and between channels (1 min) |
|
Input Resistance (Power ON) |
290 Ω at 20 mA, 450 Ω at 4 mA |
|
Input Resistance (Power OFF) |
≥500 kΩ |
|
Circuit-open Detection (Output) |
Less than 0.65 mA |
|
Accuracy |
Input: ±16 µA, Output: ±48 µA |
|
Data Update Period |
10 ms |
|
Transmitter Power Supply |
15.0 V or more (20 mA), 29.3 V or less (0 mA) |
|
Temperature Drift |
±16 µA/10 °C |
|
Maximum Current Consumption |
360 mA (5 V DC), 450 mA (24 V DC) |
|
Weight |
0.3 kg |
|
External Connections |
Pressure clamp terminal, MIL connector, KS cable |
|
HART Communication |
Available |
🔹 Model & Suffix Code Breakdown
|
Code |
Meaning |
|---|---|
|
-S |
Standard type |
|
-H |
With digital communication (HART protocol) |
|
5 |
No explosion protection |
|
0 |
Basic type (no special temperature/coating options) |
🔹 Optional Accessories
|
Option Code |
Description |
|---|---|
|
/B3A00 |
KS Cable Interface Adapter [Model: ATB3A-00] |
|
/K4A00 |
KS Cable Interface Adapter [Model: ATK4A-00] |
|
/13S00 |
Pressure Clamp Terminal Block [Model: ATI3S-00] |
|
/13S10 |
Pressure Clamp Terminal Block (with surge absorber) [Model: ATI3S-10] |
|
/13D00 |
Dual Pressure Clamp Terminal Block [Model: ATI3D-00] |
|
/13D10 |
Dual Pressure Clamp Terminal Block (with surge absorber) [Model: ATI3D-10] |
|
/CCC01 |
Connector Cover for MIL Cable [Model: ACCC01] |