Product Description
🔹 General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
AAI841-S50/K4A00 |
|
Description |
Analog I/O Module (8-channel input/8-channel output, Non-Isolated) |
🔹 Description
The AAI841-S50/K4A00 is an Analog I/O Module providing 8 channels of input and 8 channels of output, all of which are non-isolated. The module supports both current and voltage signals, specifically designed for 4–20 mA (current) and 1–5 V (voltage) inputs. It can be used in dual-redundant configurations to ensure high reliability and operational stability.
🔹 Technical Specifications
|
Specification |
Details |
|---|---|
|
Model Base |
AAI841 |
|
Input Channels |
8 (Non-isolated) |
|
Output Channels |
8 (Non-isolated) |
|
Signal Type |
Input: 4 to 20 mA, Output: 4 to 20 mA |
|
Allowable Input Current |
25 mA |
|
Allowable Input Voltage |
±7.5 V (Voltage Input) |
|
Withstanding Voltage |
Not specified |
|
Input Resistance (Power ON) |
400 Ω (at 20 mA), 1000 Ω (at 4 mA) |
|
Input Resistance (Power OFF) |
≥500 kΩ |
|
Allowable Load Resistance |
0 to 750 Ω |
|
Circuit-open Detection (Output) |
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 or more (20 mA), 26.4 V or less (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 Connections |
Pressure clamp terminal, KS cable, MIL connector cable |
|
HART Communication |
Available (at Current Input and Output) |
🔹 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 |
|---|---|
|
/K4A00 |
KS Cable Interface Adapter [Model: ATK4A-00] |
|
/A4S00 |
Pressure Clamp Terminal Block for Analog [Model: ATA4S-00] |
|
/A4S10 |
Pressure Clamp Terminal Block for Analog (with surge absorber) [Model: ATA4S-10] |
|
/A4D00 |
Dual Pressure Clamp Terminal Block for Analog [Model: ATA4D-00] |
|
/A4D10 |
Dual Pressure Clamp Terminal Block for Analog (with surge absorber) [Model: ATA4D-10] |
|
/CCC01 |
Connector Cover for MIL Cable [Model: ACCC01] |