Product Details
Configured for analog signal acquisition in Yokogawa CENTUM VP and ProSafe-RS platforms, the Yokogawa A2SAM105-H000 (A2SAM105 Analog Input Adapter) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | A2SAM105-H000 |
| Brand | Yokogawa |
| Origin | Japan |
| Input Types | 4-20 mA DC, 1-5 V DC, 0-10 V DC |
| Allowable Input Range | 0-40 mA, 0-30 V DC |
| Input Resistance | 320 ohm @ 20 mA, 640 ohm @ 4 mA (powered); >=100 kohm (unpowered) |
| Accuracy | +/-4 mV / +/-12 uA @ 23+/-2 deg C; +/-8 mV / +/-24 uA @ 0-60 deg C |
| Withstanding Voltage | 500 V AC for 1 min (I/O adaptors), 42 V DC |
| Weight | 0.10 kg |
| Dimensions | Compact plug-in, baseplate mounted |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Powered via baseplate 5 V DC rail |
| Diagnostics | Open/short circuit detection, internal self-test |
| Redundancy | Simplex or TMR compatible |
| Safety Certification | Up to SIL3 (IEC 61508) |
| Protocol | HART 7 digital overlay |
Yokogawa Channel-to-Channel Isolation & DCS Signal Integrity
Yokogawa N-IO analog architectures use galvanic channel-to-channel isolation to block circulating ground currents across distributed sensor points. Maintaining continuous isolation integrity protects the internal signal paths when processing 4-20 mA HART loop protocol parameters alongside 1-5 V DC or 0-10 V DC voltage inputs. Dedicated isolation barriers uphold a 500 V AC withstand threshold, preventing high-frequency common-mode noise from distorting conversion accuracy or degrading downstream controller processing across CENTUM VP and ProSafe-RS field nodes.
Frequently Asked Questions
Q: What is the input resistance behavior of the A2SAM105-H000 during powered versus unpowered conditions?
A: Under powered conditions, the input resistance measures 320 ohm at 20 mA and 640 ohm at 4 mA. When unpowered, the adapter transitions to a high-impedance state measuring >=100 kohm.
Q: What isolation voltage rating does the adapter sustain between channel circuitry and the N-IO backplane?
A: The adapter maintains a dielectric withstand rating of 500 V AC for 1 minute between individual I/O adapter channels and the backplane structure.
Field Installation Guidelines
Insert the adapter vertically into the designated N-IO baseplate slot until the locking tab fully seats onto the backplane. Ensure field wiring terminals are de-energized prior to seating or unseating the hardware. Ground all signal cable shields at a single chassis earth point on the baseplate assembly to limit ground potential differences across analog loops.
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.
Tech & Buying Guide
Redefining Control Systems: The Rise of Flexible I/O Modules in Industrial Automation
Conventional input-output architectures often limit engineering agility and inflate long-term inventory costs. Today, Flexible Input/Output Modules (FIOM) are transforming how control system engineers design, commission, and maintain automation infrastructure. By allowing individual channel software configuration, FIOM technology bridges the gap between rigid hardware design and dynamic plant requirements.
Understanding Modern SCADA Systems: Architecture, Communication Topologies, and Industrial Applications
Supervisory Control and Data Acquisition (SCADA) systems form the digital backbone of modern industrial automation. They collect critical field data, transmit signals across vast distances, and empower plant operators with real-time process visibility. Across modern infrastructures, SCADA solutions streamline centralized control and maintain continuous operational uptime.
Understanding OPC Servers in Modern Industrial Automation: Principles, Architecture, and Applications
In industrial automation, connecting physical hardware with high-level software remains a primary operational challenge. Factories utilize programmable logic controllers (PLCs), distributed control systems (DCS), human-machine interfaces (HMIs), and smart sensors from diverse vendors. These devices often speak different proprietary protocols. Open Platform Communications (OPC) servers solve this interoperability challenge by standardizing how data flows across factory networks.