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Yokogawa ATI3S-S00 Thermocouple Input Module

The Yokogawa ATI3S-S00, also cataloged as the ATI3S Thermocouple Input Module, operates as a dedicated hardware component for multi-channel temperature signal acquisition within Centum CS / Centum VP infrastructure platforms. Configured as an interface unit for isolated analog and pulse sub-modules, the card converts microvolt-level potential differences from field sensors into a 16-bit digital format to drive structural process tracking.

Layout Configuration Selection: Layout 1

Hardware Specifications

Parameter Specification
Model ATI3S-S00
Brand Yokogawa Electric Corporation
Origin Japan
Weight 0.3 kg
Dimensions Standard Field I/O module footprint
Operating Temp -20 to +60 deg C
Power Consumption 3 W
Channel Architecture 16 thermocouple input channels (or 8 channels when routed with select pulse modules)
Sensor Configuration K, J, T, E, N, R, S, B (Standard IEC types)
Electrical Input Range -200 to +1800 deg C (Sensor type dependent)
Converter Resolution 16-bit A/D conversion
Calibrated Accuracy +/- 0.1% of full scale
Internal Update Rate 100 ms typical
Boundary Isolation Channel-to-system isolation rated at 1500 VAC
Transient Suppression Integrated surge absorbers matching EN 61000-6-2 standards
Suffix Code Configuration -S00 Standard general-purpose type (Non explosion-proof)
Storage Temperature -40 to +70 deg C
Humidity Envelope 5 to 95% RH (non-condensing)

Process Control & DCS Instrumentation Technical Attributes

This execution card integrates an automatic cold junction compensation (CJC) circuit that dynamically offsets terminal temperature variations during the 100 ms digitization cycle. To secure the internal processor backplane against high-voltage induction, the input paths cross an internal galvanic isolation zone built to withstand up to 1500 VAC continuous stress. When processing low-voltage signals across extended runs, the input architecture relies on the module differential front-end to cancel high-frequency line noise, while onboard surge suppression circuitry diverts transient energy to the system ground line before it degrades the sensitive A/D converter matrix.

Frequently Asked Questions

Q: How does the -S00 suffix classification restrict module installation locations?

A: The -S00 designation defines a general-purpose electrical assembly lacking intrinsic safety barriers or explosion-proof enclosures; it must not be positioned directly within hazardous environments without an approved purged containment housing.

Q: Can this terminal component process mixed analog inputs and outputs simultaneously?

A: When wired to specific dual-function base modules like the AAI835, the internal routing divides the hardware layout into 4 input channels and 4 output channels to manage concurrent field loops.

Field Installation Guidelines

  • Subsystem Baseplate Attachment: Line up the module alignment rails with the active card slot guides, driving the assembly forward until the backplane plug locks into position before tightening the module retention screws.
  • Compensation Wire Connection: Terminate the incoming thermocouple lines directly onto the pressure clamp terminals using the identical alloy extension wires, stripping the insulation to clean copper boundaries.
  • Shield Ground Tracking: Land the external cable shield drain wires at the primary instrument clean earth bus bar within the panel cabinet, verifying the sensor junction remains isolated to eliminate ground loops.
  • Torque Specifications: Secure the screw terminals to industrial torque ratings, ensuring uniform physical contact to maintain accurate cold junction compensation tracking across the terminal block surface.

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