|
BRAND |
YOKOGAWA |
|
Model Number |
AAI143-S00 S1 |
|
Type |
Standard |
|
Descripution |
Analog Input Module |
|
Dimensions |
3.2x12.3x13cm |
INFORMATION
This (AAI143-S00 S1) module function as signal converters; by inputting field analog signals into these modules, it converts them to internal data for field control stations (FCS), or the FCS’s internal data to analog signals for outputs.
STANDARD SPECIFICATIONS
|
Number of Input Channels |
16, isolated |
|
|
Input Signal |
4 to 20 mA |
|
|
Allowable Input Current |
24 mA (max.) |
|
|
Withstanding Voltage |
Between input and system: 1500 V AC, 1 minute |
|
|
Input resistance |
Power ON |
270 Ω (20 mA) to 350 Ω (4 mA) (*2) |
|
Power OFF |
500 kΩ or larger |
|
|
Accuracy |
±16 µA |
|
|
Data Update Period |
10 ms |
|
|
Transmitter Power Supply |
19.0 V min. (at 20 mA), 25.5 V max. (at 0 mA), output current limit: 25 mA |
|
|
2-Wire / 4-Wire Transmitter Setting |
Configurable for each channel via setting pin |
|
|
Ambient Temperature Drift |
±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 connector cable, dedicated cable (KS1) |
|
|
HART Communication |
Available |
|
|
Weight |
0.3 kg |
|
*1:
A Zener barrier is not allowed to be connected with this module. Use an isolation barrier when the module is used in intrinsically safe application.
*2:
The module input resistance viewed from the terminals depends on the current strength as calculated as below:
*3:
When this module is installed to a ER bus node unit with HART function, the EB401 firmware must be rev. 2 or later.
*4:
When the dedicated cable is used, the withstanding voltage is 500 V AC (between the input signal and the system). When the ML connector cable is used, the withstanding voltage depends on the electrical specifications of the cable.
*5:
This voltage is generated between the connecting terminals for 2-wire transmitters for this module. When calculating the minimum operating voltage for transmitters, consider to allow margins for voltage drop in external wiring.
EXTERNAL DIMENSIONS
MODEL AND SUFFIX CODES
|
Mode |
AAI143 |
Analog Input Module (4 to 20 mA, 16-channel, Isolated) |
|
Suffix Codes |
-S |
Standard type |
|
-H |
With digital communication (HART protocol) |
|
|
5 |
Without explosion protection |
|
|
E |
With explosion protection |
|
|
0 |
Basic type |
|
|
3 |
With ISA Standard G3 option and temperature (-20 to 70 °C) option |
FAQ
|
Q1: |
What is the primary function of the YOKOGAWA AAI143-S00 S1? |
|
A1: |
The YOKOGAWA AAI143-S00 S1 is a 16-channel isolated analog input module designed to receive 4–20 mA process signals. It provides high-accuracy signal acquisition for distributed control systems (DCS) while ensuring reliable electrical isolation between field inputs and the control system. |
|
Q2: |
How does the YOKOGAWA AAI143-S00 S1 improve signal reliability in industrial environments? |
|
A2: |
The YOKOGAWA AAI143-S00 S1 incorporates channel isolation and withstands up to 1500 V AC between the input and system for one minute. This design minimizes the effects of electrical noise, ground loops, and transient interference, resulting in stable and accurate process measurements. |
|
Q3: |
Why does the YOKOGAWA AAI143-S00 S1 support HART communication? |
|
A3: |
The YOKOGAWA AAI143-S00 S1 supports the HART protocol, allowing simultaneous transmission of analog process values and digital device information. This enables remote device configuration, advanced diagnostics, and simplified maintenance without interrupting normal process operation. |
|
Q4: |
Can the YOKOGAWA AAI143-S00 S1 interface with different types of transmitters? |
|
A4: |
Yes. The YOKOGAWA AAI143-S00 S1 supports both 2-wire and 4-wire transmitters, with the configuration selectable for each individual channel. This flexibility allows seamless integration with a wide variety of field instrumentation in process automation systems. |
|
Q5: |
What performance specifications make the YOKOGAWA AAI143-S00 S1 suitable for critical process control applications? |
|
A5: |
The YOKOGAWA AAI143-S00 S1 delivers ±16 µA measurement accuracy, a fast 10 ms data update period, an integrated transmitter power supply, and support for up to 16 isolated input channels. These features provide precise, responsive, and dependable analog signal acquisition for continuous industrial operations. |
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|
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|
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|
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|
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|
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|
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About us
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