Yokogawa ANT411-5F S1 Bus Repeater Module | Replacement, Equivalent & Selection Guide
The Yokogawa ANT411-5F S1 is a FOUNDATION Fieldbus Bus Repeater Module designed for use in Yokogawa CENTUM VP and CS 3000 distributed control systems. It extends fieldbus segment reach, isolates bus faults, and enables multi-drop wiring topologies in process automation environments. This page provides full technical specifications, compatible replacement options, and a structured selection guide for engineers and procurement teams.
Technical Specifications
- Model: ANT411-5F S1
- Manufacturer: Yokogawa Electric Corporation
- Function: FOUNDATION Fieldbus H1 Bus Repeater
- Protocol: FOUNDATION Fieldbus H1 (31.25 kbit/s)
- Number of Ports: 2 (input + output segment)
- Power Supply: Supplied via fieldbus segment / DIN rail power
- Isolation: Galvanic isolation between segments
- Operating Temperature: 0°C to +60°C
- Storage Temperature: -20°C to +70°C
- Humidity: 5% to 95% RH (non-condensing)
- Weight: Approx. 1,380 g (with housing)
- Compliance: IEC 61158, FOUNDATION Fieldbus specification
- Compatible DCS: Yokogawa CENTUM VP, CENTUM CS 3000
Compatible Replacement & Equivalent Models
The following models are commonly evaluated as functional equivalents or drop-in replacements for the ANT411-5F S1. Always verify electrical and protocol compatibility before substitution:
- Yokogawa ANT411-5F S2 — Updated revision; same form factor, enhanced diagnostics
- Pepperl+Fuchs FB-12-EX.MB.10 — FOUNDATION Fieldbus repeater with ATEX rating for hazardous areas
- MTL Instruments MTL4841 — FF H1 repeater, compatible with multi-vendor DCS environments
- R. Stahl 9001/01-280-100-10 — Intrinsically safe FF repeater for Zone 1/2 applications
- Turck FDN20-4FF-Ex — Compact FF H1 repeater with surge protection
Note: Third-party replacements may require configuration adjustments. Contact Konmask for compatibility verification.
Why Choose the Original Model
- Native DCS Integration: Engineered specifically for Yokogawa CENTUM VP and CS 3000 — zero compatibility risk
- Proven Reliability: Validated in continuous process industries including oil & gas, petrochemical, and power generation
- OEM Support: Full Yokogawa lifecycle support, firmware updates, and spare parts availability
- Segment Fault Isolation: Prevents a single segment fault from propagating across the entire fieldbus network
- Galvanic Isolation: Protects sensitive field devices from ground loops and electrical noise
Typical Applications
- FOUNDATION Fieldbus H1 segment extension in large-scale DCS installations
- Multi-drop fieldbus wiring in refinery and chemical plant control rooms
- Segment isolation in safety-critical process control loops
- Retrofit and expansion of existing Yokogawa CENTUM CS 3000 systems
- Remote I/O fieldbus backbone in offshore platform control systems
System Compatibility
- Yokogawa CENTUM VP (all revisions)
- Yokogawa CENTUM CS 3000 (R3.x and above)
- FOUNDATION Fieldbus H1 compliant host systems
- Yokogawa ProSafe-RS (as auxiliary fieldbus segment extender)
Not compatible with PROFIBUS DP/PA or DeviceNet segments without protocol conversion.
Selection Guide
| Requirement | Recommended Model |
|---|---|
| Standard CENTUM VP / CS 3000 environment | ANT411-5F S1 (this model) |
| Hazardous area (Zone 1, ATEX) | Pepperl+Fuchs FB-12-EX.MB.10 |
| Multi-vendor DCS, budget-sensitive | MTL Instruments MTL4841 |
| Upgraded diagnostics, same Yokogawa platform | ANT411-5F S2 |
| Surge protection required | Turck FDN20-4FF-Ex |
Quality Assurance & Sourcing
- All units sourced from authorized distributors or verified surplus channels
- Each module undergoes visual inspection and functional verification prior to shipment
- Original packaging, labels, and documentation preserved where available
- Traceability records maintained for industrial and regulated procurement requirements
- Konmask.com specializes in hard-to-find and obsolete industrial automation components
How to Order
- Confirm your DCS model and fieldbus segment topology
- Verify the ANT411-5F S1 part number against your Yokogawa BOM or engineering drawing
- Add to cart or contact us for bulk pricing and lead time
- Provide your PO number and shipping destination for commercial invoice
📧 [email protected] | 📞 +0086 19859288691
Replacement & Compatibility FAQ
Q: Can the ANT411-5F S1 be used with non-Yokogawa DCS systems?
A: It is optimized for Yokogawa CENTUM platforms. Use with other FF H1 hosts is possible but not officially validated — contact us for guidance.
Q: What is the difference between ANT411-5F S1 and S2?
A: The S2 revision includes enhanced onboard diagnostics and minor hardware improvements. Both are electrically compatible with the same fieldbus segments.
Q: Is this module suitable for SIL-rated safety loops?
A: The ANT411-5F S1 is not SIL-certified. For safety instrumented systems, use Yokogawa ProSafe-RS certified components.
Q: Do you offer warranty on surplus units?
A: Yes — Konmask provides a 90-day functional warranty on all verified surplus modules. Extended warranty available on request.
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Contact: [email protected] | +0086 19859288691
