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
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