AAR181-S00 S2 Yokogawa RTD Input Module

AAR181-S00 S2 Yokogawa CENTUM VP 16-Channel RTD Input Module

AAR181-S00 S2 Yokogawa CENTUM VP 16-Channel RTD Input Module

Availability: 10 left in stock

Yokogawa AAR181-S00 S2 CENTUM VP RTD Input Module The Yokogawa AAR181-S00 S2, also cataloged as the AAR181 RTD Input Module,...

SKU: AAR181-S00 S2

Manufacturer: Yokogawa
Product No.: AAR181-S00 S2
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 200g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa AAR181-S00 S2 CENTUM VP RTD Input Module

The Yokogawa AAR181-S00 S2, also cataloged as the AAR181 RTD Input Module, operates as a dedicated hardware component for high-precision temperature acquisition within CENTUM VP and CS 3000 control system platforms. The module interfaces up to 16 independent 3-wire RTD sensor elements (including Pt100) across industrial field processes, converting physical resistance changes into digital temperature values. Channel-to-channel optical isolation shields internal processing circuits from ground loops and external electromagnetic noise. The S2 suffix variant incorporates a protective conformal coating on internal printed circuit assemblies for sustained deployment in corrosive or high-humidity environments.

Suffix Breakdown & Model Matrix

Base Code	Option Code	Description
AAR181		RTD Input Module (16-channel, CENTUM VP / CS 3000 compatible)
	-S	Standard type
	0	Basic version
	0	Always 0
	S2	Conformal coating for harsh environments

Hardware Specifications

Parameter	Specification
Model	AAR181-S00 S2
Brand	Yokogawa
Origin	USA
Weight	0.20 kg
Dimensions	130 x 125 x 32 mm
Operating Temp	-20 to +55 deg C
Power Consumption	3.0 W maximum (600 mA at 5 VDC)
Input Channels	16 channels (3-wire RTD)
RTD Compatibility	Pt100 and standard 3-wire RTD sensors
Excitation Current	1 mA per channel
Input Voltage Range	+/-5 V DC
Accuracy	+/-0.1% of full scale
Signal Isolation	Optical isolation per channel (1500 VAC withstand)
Mounting Type	Field Control Unit base plate / DIN rail

Process Loop & Signal Isolation Characteristics

The module incorporates channel-to-channel optical isolation rated for 1500 VAC dielectric withstand to prevent field potential differences from corrupting digital conversions. Designed to work within 4-20 mA HART loop protocol environments and distributed DCS architectures, the module executes continuous internal diagnostics to detect sensor open-circuit conditions, line resistance imbalances, and internal power supply variations. Analog-to-digital signal conversion routines deliver linear temperature data directly to the central Field Control Unit backplane.

Frequently Asked Questions

Q: Does the AAR181-S00 S2 support online hot-swapping during controller operation?

A: Technicians can replace the module on an energized base plate without interrupting Field Control Unit execution or adjacent I/O cards, provided terminal blocks are disengaged according to standard plant safety protocols.

Q: What protection does the S2 option code provide to the physical assembly?

A: The S2 suffix designates an industrial conformal coating applied over the circuit board assemblies, safeguarding copper traces and surface-mount components against airborne contaminants, corrosive gases, and condensing moisture.

Field Installation Guidelines

Disconnect auxiliary excitation loops and field terminal blocks prior to inserting or removing the card from the rack chassis.
Align the printed circuit board edges with the guide rails inside the target slot on the Field Control Unit base plate.
Push the card firmly back into the backplane connector until top and bottom retention latches engage completely.
Secure field terminal wiring to the front panel connector, ensuring terminal screw torque specs comply with cabinet documentation.
Earth all RTD cable shields at a single ground bus point within the field enclosure to avoid creating ground loops.
Maintain a minimum physical distance of 200 mm between low-level RTD wiring and high-voltage AC conductors inside wire ducts.

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.

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Maintenance Manager, USA

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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.

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Engineering Lead, Germany

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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.