AAB841-S00 Yokogawa Analog I/O Module: 8-Channel 1-5V/4-20mA

Manufacturer: Yokogawa
Product No.: AAB841-S00-S2
Condition： In stock
Product Type: Analog I/O Module
Product Origin: JP
Payment: T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Quantity

Selected quantity: 1

Estimate delivery times: 12-26 days (International), 3-6 days (United States).

Return within 30 days of purchase. Duties & taxes are non-refundable.

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Product Overview

The AAB841-S00 is a high-density, multi-functional Analog I/O Module from Yokogawa. This unit provides 8-channel differential voltage inputs (1 to 5 V) and 8-channel current outputs (4 to 20 mA). Engineered for versatility, it supports both 2-wire and 4-wire transmitter configurations, making it a cornerstone for process automation and precise signal conditioning in the Centum series.

Configuration Breakdown

Model: AAB841
- Suffix -S: Standard type performance.
- Suffix 0: No explosion protection (general purpose).
- Suffix 0: Basic system release.

Technical Specifications

Signal Capacity: 8-Channel Input (1–5V) / 8-Channel Output (4–20mA)
Input Impedance: > 1 MΩ (Power ON) / > 340 kΩ (Power OFF)
Output Load: 0 to 750 Ω allowable resistance
Data Refresh: 10 ms update period
Response Speed: 100 ms (Input) / 40 ms (Output) step response
Transmitter Supply: 14.8 V (@ 20mA) to 26.4 V (@ 0mA)

Global PLC Spare HUB's Insight

Global PLC Spare HUB recommends the AAB841-S00 for distributed control applications requiring hybrid signal handling. It is highly effective for monitoring transmitters while simultaneously controlling final control elements like valve positioners. Its circuit-open detection (below 0.65 mA) offers robust diagnostic ability, allowing operators to identify loop failures in real-time.

Professional FAQ

Q: How do I toggle between 2-wire and 4-wire transmitter modes?
A: Configuration is channel-specific; manually set the physical pins on the module base to match your field instrument requirements.

Q: What is the benefit of the differential input architecture?
A: Differential input significantly reduces common-mode noise, allowing for stable readings despite potential electrical interference.

Q: Can this module drive long-distance analog actuators?
A: Yes, with a load capacity up to 750 Ω, it provides sufficient voltage headroom for most industrial current-loop valves over extended distances.

Q: Selection Guide: When is this module a better fit than separate I/O cards?
A: Choose the AAB841 when panel space is limited and your logic requires paired analog monitoring and regulation.

Q: How does the "circuit-open" detection improve system uptime?
A: By triggering an alarm when current drops below 0.65 mA, it enables proactive maintenance before a loop malfunction affects safety.

Shipping & Warranty

Shipping: Fast, reliable transit via FedEx, UPS, or DHL.
Dispatch: Ready to ship within 24–48 hours.
Warranty: 12-month factory quality assurance guarantee on all units.

12-Month Comprehensive Warranty

Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.

Coverage: Functional defects and hardware failures under normal operating conditions.
Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.

Returns & Exchange Policy

We offer a 30-day return policy to ensure you receive the exact part your system requires.

Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.

Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.