Process Automation Solution – Yokogawa AIP171 | S3 Bus Repeater | CENTUM Series
Where This Product Is Used
The Yokogawa AIP171 S3 Bus Repeater is deployed in continuous process industries where CENTUM distributed control systems manage critical field-device communication over extended distances. Typical installation environments include:
- Oil & Gas Refineries – Extends S3 bus segments across large refinery units, maintaining signal integrity between remote I/O cabinets and the central DCS controller.
- Chemical & Petrochemical Plants – Bridges bus segments in hazardous-area marshalling panels, enabling reliable data exchange between field transmitters and CENTUM VP/CS 3000 stations.
- Power Generation Facilities – Used in boiler control and turbine management loops where long cable runs degrade bus signal levels below acceptable thresholds.
- Pulp & Paper Mills – Supports multi-drop sensor networks across wide plant floors, reducing wiring costs while preserving communication reliability.
- Water & Wastewater Treatment – Installed in remote pump stations and lift stations to extend CENTUM bus reach without additional controller hardware.
Technical Specifications
| Attribute | Value |
|---|---|
| Model Number | AIP171 |
| Series / Bus Type | S3 Bus (CENTUM Series) |
| Manufacturer | Yokogawa Electric Corporation |
| Function | S3 Bus Signal Repeater / Amplifier |
| Compatible Systems | CENTUM CS 3000, CENTUM VP |
| Weight | 160 g |
| Mounting | DIN Rail / Panel Mount (per CENTUM system standard) |
| Communication Protocol | Yokogawa Proprietary S3 Bus |
| Operating Temperature | 0°C to 60°C (standard industrial range) |
| Condition Available | New / Refurbished / Tested Surplus |
Why Engineers Specify This Model
- Signal Integrity Over Distance – The AIP171 regenerates and amplifies the S3 bus signal, allowing bus segment extension beyond the standard cable length limit without data loss or communication errors.
- Seamless CENTUM Integration – Designed exclusively for Yokogawa CENTUM architecture; no configuration or firmware changes required — plug-and-play within existing S3 bus topology.
- Reduced Wiring Infrastructure Cost – By extending existing bus segments, engineers avoid the cost of additional field controllers or separate I/O subsystems.
- Proven Field Reliability – Widely deployed in tier-1 process plants globally; a mature, stable component with a long service history in demanding environments.
- Compact Form Factor – Lightweight (160 g) and compact, fitting within standard CENTUM panel enclosures without requiring additional cabinet space.
Complete System Bill of Materials
The AIP171 is typically specified alongside the following CENTUM system components:
- Yokogawa CENTUM VP / CS 3000 Field Control Station (FCS)
- S3 Bus Cable (shielded twisted pair, Yokogawa-approved specification)
- Yokogawa AIP Series I/O Modules (AI, AO, DI, DO)
- Yokogawa ACM12 / ACM22 Communication Modules
- CENTUM VP Engineering Workstation (EWS) for system configuration
- 24 VDC Power Supply Unit (PSU) for bus segment power
Contact [email protected] for complete BOM sourcing assistance.
Compliance & Industry Standards
- Designed and manufactured under ISO 9001 quality management system by Yokogawa Electric Corporation.
- Compatible with IEC 61511 (Functional Safety – Safety Instrumented Systems) when integrated within a validated CENTUM safety architecture.
- Meets CE Marking requirements for electromagnetic compatibility (EMC) and low-voltage directive compliance.
- Suitable for installation in ATEX Zone 2 / IECEx classified areas when housed in appropriate certified enclosures.
Quality Assurance & Sourcing
Every Yokogawa AIP171 unit supplied by Konmask.com undergoes the following quality process:
- ✔ Visual inspection for physical damage, corrosion, and label integrity
- ✔ Functional power-on test to verify module initialization and bus communication
- ✔ Firmware version verification against Yokogawa compatibility matrix
- ✔ Anti-static packaging with humidity indicator card for safe international transit
- ✔ Traceable sourcing documentation available upon request
We source directly from authorized Yokogawa distributors, decommissioned plant inventories, and certified surplus channels — ensuring authenticity and traceability for every unit.
How to Source This Part
- Add to Cart – Select quantity and proceed to checkout directly on this page.
- Request a Quote – For bulk orders (>5 units) or project BOM sourcing, email [email protected] with your project details.
- Expedited Sourcing – If you need the AIP171 urgently for a plant shutdown or emergency repair, call/WhatsApp +0086 19859288691 for same-day response.
- Global Shipping – We ship worldwide via DHL Express, FedEx International, and UPS. Export documentation (commercial invoice, packing list, COO) provided for all international orders.
Application-Specific FAQ
Q: Is the AIP171 compatible with both CENTUM CS 3000 and CENTUM VP systems?
A: Yes. The AIP171 operates on the S3 bus architecture shared by both CENTUM CS 3000 and CENTUM VP platforms. No hardware modification is required between the two system generations.
Q: How many AIP171 repeaters can be cascaded on a single S3 bus segment?
A: Yokogawa’s system design guidelines specify the maximum number of repeaters per segment based on total bus load and cable length. Contact our technical team for segment design review specific to your project.
Q: Can the AIP171 be used in a Safety Instrumented System (SIS)?
A: The AIP171 is a standard (non-SIL-rated) bus component. For SIS applications, consult Yokogawa’s ProSafe-RS documentation and verify with your functional safety engineer before specifying.
Q: What is the lead time for the AIP171?
A: In-stock units ship within 1–3 business days. For out-of-stock situations, typical sourcing lead time is 2–4 weeks. Contact us for real-time availability.
Q: Do you provide a warranty?
A: Yes. All units carry a 90-day functional warranty covering defects in operation under normal use conditions. Extended warranty options are available — inquire at [email protected].
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