AAI141-S00-S2 CENTUM VP Yokogawa Analog Input Module
Manufacturer: Yokogawa
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Part Number: AAI141-00 S2
Condition：New with Original Package
Product Type: Analog Output Modules
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Country of Origin: Japan
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Yokogawa AAI141-S00-S2 Analog Input Module
Configured for 16-channel analog current loop acquisition in Yokogawa Field Control Systems, the Yokogawa AAI141-S00-S2 (AAI141 Analog Input Module) provides direct physical/electrical execution.
Suffix Breakdown & Model Matrix
- AAI141: Base Model (Analog Input Module, 4 to 20 mA DC, 16-Channel, Non-Isolated).
- -S: Standard Type Specification (Non-HART protocol execution).
- 0: Standard Non-Explosion-Proof / Basic Type.
- 0: Basic Functionality Code.
- -S2: Hardware Style/Revision Code.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | AAI141-S00-S2 |
| Brand | Yokogawa |
| Origin | USA |
| Weight | 0.28 kg |
| Dimensions | 32.8 x 107.5 x 130 mm |
| Operating Temp | 0 to 50 deg C |
| Power Consumption | 310 mA at 5 VDC; 450 mA at 24 VDC |
| Input Channels | 16 channels, non-isolated |
| Input Signal | 4-20 mA DC |
| Input Accuracy | +/-16 uA |
| Data Update Period | 10 ms |
| Step Response Time | 100 ms |
| Input Resistance | 400 ohm at 20 mA to 1000 ohm at 4 mA |
| Transmitter Power Supply | Minimum 14.8 V at 20 mA; Maximum 26.4 V at 0 mA |
Process Control & DCS Backplane Signal Dynamics
The AAI141-S00-S2 executes high-speed signal sampling across 16 non-isolated 4-20 mA current loops, converting field transmitter inputs into process variables for CENTUM CS and CENTUM VP controllers. The module supplies dedicated loop power to 2-wire field transmitters while accommodating 4-wire configurations. Featuring a 10 ms data update period and a 100 ms step response, the onboard circuit digitizes process signals with an absolute input accuracy of +/-16 uA. High internal input resistance exceeding 500 k-ohm during unpowered states prevents unexpected loading on active loop channels.
Frequently Asked Questions
Q: Does the AAI141-S00-S2 module support HART field instrument pass-through communication?
A: Standard -S suffix variants process analog 4-20 mA current signals exclusively without digital HART protocol modulation. HART communication requires the specific -H variant within the AAI141 module platform.
Q: What is the maximum allowable input current per channel on the AAI141-S00-S2?
A: Each individual input channel tolerates a maximum input current of 27 mA before internal overcurrent protection thresholds trigger.
Q: How does channel isolation function on the AAI141-S00-S2 module?
A: The AAI141-S00-S2 uses a non-isolated channel architecture where all 16 input channels share a common ground reference, making proper field wiring grounding practices imperative to prevent cross-channel noise coupling.
Field Installation Guidelines
Align the AAI141-S00-S2 module with the card guides in the designated FIO rack slot and push firmly until the backplane connector locks into position. Tighten the retaining screws to ensure proper chassis grounding. When connecting 2-wire transmitters, verify that the module internal transmitter power supply limits (14.8 V minimum at 20 mA) satisfy field device operating requirements. Route all 4-20 mA input wiring in separate conduits away from AC power distribution lines. Clamp field cable shield drain wires directly to the cabinet functional earth (FE) bus bar to prevent common-mode electrical noise from affecting measurement accuracy.