Product Details
The YOKOGAWA AAT141-S00 S2, also cataloged as the AAT141 TC/mV Input Module, operates as a dedicated hardware component for thermocouple and millivolt signal acquisition within YOKOGAWA CENTUM VP/CS platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | AAT141-S00 S2 |
| Brand | YOKOGAWA |
| Origin | Japan |
| Weight | 1.5 kg |
| Dimensions | 230 x 110 x 30 mm |
| Operating Temp | -20 to 70 deg C |
| Power Consumption | 10 W |
| Power Supply | 24 VDC |
| Input Channels | 16 isolated channels |
| Input Signal Range | -200 mV to +200 mV (TC / mV) |
| Measurement Accuracy | +/-0.1% of full scale |
| Signal Noise | < 5 uVrms |
| Response Time | < 2 seconds |
| Protocol Support | HART protocol |
| Mounting | DIN-rail mountable |
Cold Junction Compensation and Channel-to-Channel Isolation
The AAT141-S00 S2 module incorporates dedicated channel-to-channel electrical isolation across all 16 input paths to prevent ground loop interference from corrupting low-level temperature signals. Onboard cold junction compensation (CJC) processing digitizes ambient variations at the terminal interface to correct thermocouple non-linearities in real time. The hardware architecture maintains a signal noise floor below 5 uVrms while supporting HART protocol pass-through for field instrument diagnostics.
Frequently Asked Questions
Q: What signal types can be wired directly to the AAT141-S00 S2 input channels?
A: The module accepts direct millivolt inputs ranging from -200 mV to +200 mV as well as standard industrial thermocouples requiring cold junction compensation.
Q: Does the AAT141-S00 S2 support HART pass-through communication on millivolt loops?
A: Yes, the module features integrated hardware compatibility for HART digital signal pass-through alongside analog sampling.
Q: What is the maximum acceptable signal noise level for incoming TC/mV measurements?
A: Onboard filtering maintains signal noise below 5 uVrms across the input span to preserve measurement accuracy.
Field Installation Guidelines
Ensure all 24 VDC power feeds are isolated prior to installing or removing the module. Mount the AAT141-S00 S2 on a standard 35 mm DIN rail, verifying that the rear locking clip engages completely to ensure mechanical stability. Route thermocouple and millivolt field wiring using twisted, shielded pairs, keeping signal conductors segregated from AC power lines by a minimum of 100 mm. Terminate all cable shields at a single chassis earth ground bus to suppress common-mode noise.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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