Product Description
š¹ General Information
|
Manufacturer |
Yokogawa |
|---|---|
|
Model/Part Number |
AAI143-S50/A4800 |
|
Description |
Analog Input Module (4 to 20 mA, 16-channel, Isolated) with Option A4800 |
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Ā
š¹ Description
TheĀ AAI143-S50/A4800Ā is a 16-channelĀ isolated analog input moduleĀ designed to interface with 4 to 20 mA signals. It supportsĀ dual-redundant configurations,Ā channel-wise 2-wire/4-wire selection, andĀ high accuracy measurement. This specific configuration includes theĀ A4800 option, although this option code is not listed in the typical suffix and option definitionsāit may refer to aĀ custom terminal assembly, wiring adapter, or factory-specific feature.
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Ā
š¹ 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 for 1 minute (between input and system) |
|
Input Resistance (Power ON) |
270 ā¦ (at 20 mA) to 350 ā¦ (at 4 mA) |
|
Input Resistance (Power OFF) |
ā„500 kā¦ |
|
Accuracy |
Ā±16 ĀµA |
|
Data Update Period |
10 ms |
|
Transmitter Power Supply |
19.0 V or higher @ 20 mA, 25.5 V max @ 0 mA (25 mA current limit) |
|
2-wire/4-wire Selection |
By channel setting pin |
|
Temp Drift |
Ā±16 ĀµA per 10 Ā°C |
|
Current Consumption |
230 mA @ 5 V DC, 540 mA @ 24 V DC |
|
Weight |
Approx. 0.3 kg |
|
External Communication |
Pressure clamp terminal, MIL connector, KS1 dedicated cable |
|
HART Communication |
Available (not enabled in standard -S version) |
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Ā
š¹ Model Configuration
|
Model Code |
Details |
|---|---|
|
AAI143-S50 |
Standard analog input module (no explosion protection, basic type) |
|
/A4800 |
Custom or special optionĀ (not part of standard documented options) |
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