Yokogawa AAI143 CENTUM CS 3000 Analog Input Card

Availability: 99 left in stock

Yokogawa AAI143 Analog Input Card The Yokogawa AAI143-S00, also cataloged as the AAI143 Analog Input Card, operates as a dedicated...

SKU: AAI143-S00

Manufacturer: Yokogawa
Product No.: AAI143-S00
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa AAI143 Analog Input Card

The Yokogawa AAI143-S00, also cataloged as the AAI143 Analog Input Card, operates as a dedicated hardware component for 16-channel isolated analog signal acquisition within CENTUM VP, CENTUM CS 3000, and ProSafe-RS control platform platforms. The module interfaces directly with field transmitters to accept standard process current loops, digitizing physical variables for control layer execution.

Hardware Specifications

Parameter	Specification
Model	AAI143
Brand	Yokogawa
Origin	Japan
Weight	0.3 kg
Dimensions	Standard Yokogawa I/O module profile
Operating Temp	0 to 60 deg C
Power Consumption	230 mA at 5 VDC, 540 mA at 24 VDC
Input Channels	16 channels, fully isolated
Input Signal Range	4-20 mA DC
Data Update Period	10 ms
Measurement Accuracy	+/-16 uA (+/-0.1% of full scale)
Transmitter Power Supply	19.0 VDC or higher at 20 mA
Input Resistance	Power ON: 270-350 Ohm; Power OFF: >= 500 kOhm
Withstanding Voltage	1500 VAC for 1 minute (Input to System)
Allowable Input Current	24 mA
Temperature Drift	+/-16 uA / 10 deg C

Process Control & DCS Instrumentation Integration

The module incorporates an internal 4-20 mA HART loop protocol pass-through interface, allowing digital diagnostic data superimposed on the analog signal to reach management software layers. Instrument technicians configure channel-to-channel isolation circuits to mitigate common-mode voltages arising from distinct plant ground potentials. Furthermore, the embedded input circuitry supports both 2-wire and 4-wire transmitter configurations. Independent channel parameter assignments prevent electrical cross-talk and maintain signal loop integrity even during field-side short-circuit events.

Frequently Asked Questions

Q: Does the module support hot-swap capabilities under live backplane conditions?

A: Yes, the hardware design allows online replacement within compatible node units. The operator must ensure the replacement module firmware matches the existing configuration before insertion to prevent node disruption.

Q: How does the unit handle 2-wire vs 4-wire transmitter power allocation?

A: The hardware supplies loop power directly to 2-wire transmitters via its internal 19.0 VDC source. For 4-wire configurations, the internal power supply is bypassed, and the channels function purely as current sinks.

Field Installation Guidelines

Mount the module horizontally onto the dedicated node unit slot. Ensure the top and bottom latch mechanisms click securely into the backplane connectors.
Terminate all signal wiring using standard field cables. Keep analog signal lines separate from high-voltage AC power lines to minimize electromagnetic noise coupling.
Ground the cable shields at a single point, preferably at the instrument enclosure side or the marshalling panel ground bar, to ensure consistent noise attenuation.
Verify that total loop impedance for 2-wire transmitters remains within the specified operational limits under full 20 mA load.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.