


Product Description
Product Details
Manufacturer | Model/Part Number | Description |
---|---|---|
Yokogawa | AAI143-H53/A4D00 | Analog Input Module |
General Description
- The AAI143 module provides 16 input channels for 4 to 20 mA signals, with isolation between inputs and the system.
- It supports dual-redundant configurations and can work with HART communication.
Item Specifications
Specification | Value |
---|---|
Model | AAI143 |
Number of Input Channels | 16 (isolated) |
Input Signal | 4 to 20 mA |
Allowable Input Current | 24 mA |
Withstanding Voltage | 1500 V AC, for 1 minute |
Input Resistance (Power ON) | 270 Ω (20 mA) to 350 Ω (4 mA) |
Input Resistance (Power OFF) | 500 kΩ or larger |
Accuracy | ±16 µA |
Data Update Period | 10 ms |
Transmitter Power Supply | 19.0 V or higher (at 20 mA) |
25.5 V or less (at 0 mA) | |
Current Limit | 25 mA |
Transmitter Setting | 2-wire or 4-wire (selectable) |
Drift Due to Temperature Change | ±16 µA/10°C |
Maximum Current Consumption | 230 mA (5 V DC), 540 mA (24 V DC) |
Weight | 0.3 kg |
External Communication | Pressure clamp terminal, MIL cable, dedicated cable (KS1) |
HART Communication | Available |
Model and Suffix Codes
Model | Description |
---|---|
AAI143 | Analog Input Module (4 to 20 mA, 16-channel, Isolated) |
Suffix Codes | Description |
---|---|
-S | Standard type |
-H | With digital communication (HART protocol) |
5 | With no explosion protection |
E | With explosion protection |
0 | Basic type |
3 | With ISA Standard G3 option and temperature (-20 to 70 °C) option |
Option Codes
Option | Description |
---|---|
/K4A00 | With KS Cable Interface Adapter (For connecting AEA4D Terminal Board) [Model: ATK4A-00] |
/A4S00 | With Pressure Clamp Terminal Block [Model: ATA4S-00] |
/A4S10 | With Pressure Clamp Terminal Block (surge absorber) [Model: ATA4S-10] |
/A4D00 | With Dual Pressure Clamp Terminal Block [Model: ATA4D-00] |
/A4D10 | With Dual Pressure Clamp Terminal Block (surge absorber) [Model: ATA4D-10] |
/CCC01 | With Connector Cover for MIL Cable [Model: ACCC01] |