Yokogawa A2MMM843 DCS I/O Module | Replacement, Equivalent & Selection Guide
The Yokogawa A2MMM843 (also referenced as A2BN3D-11130, A2SMX801-S130, and A2SDV105-S130) is a high-performance DCS I/O and communication module designed for the CENTUM VP and CS 3000 distributed control systems. At Konmask.com, we specialize in sourcing genuine, tested, and traceable Yokogawa automation components for industrial facilities worldwide.
Technical Specifications
- Manufacturer: Yokogawa Electric Corporation
- Primary Model: A2MMM843
- Cross-Reference Models: A2BN3D-11130 / A2SMX801-S130 / A2SDV105-S130
- Series: CENTUM VP / CS 3000
- Module Type: DCS I/O & Communication Module
- Weight: 740 g (approx.)
- Condition Available: New, Refurbished, Tested Used
- Compliance: CE, RoHS (subject to specific revision)
Compatible Replacement & Equivalent Models
The following models are functionally equivalent or direct replacements within the Yokogawa CENTUM platform:
- A2MMM843 — Primary catalog number
- A2BN3D-11130 — Bus node / network interface variant
- A2SMX801-S130 — Signal multiplexer module variant
- A2SDV105-S130 — Signal distribution / I/O variant
Always verify firmware revision and hardware revision compatibility with your existing CENTUM VP or CS 3000 system before substitution. Contact our engineers for a free compatibility check.
Why Choose the Original Model
- Guaranteed Compatibility: Factory-matched to CENTUM VP / CS 3000 backplane and software
- Firmware Integrity: Original firmware prevents version mismatch alarms
- Warranty & Support: Eligible for Yokogawa service and lifecycle support
- Regulatory Compliance: Meets SIL, IEC 61511, and plant safety requirements
- Long-Term Availability: Konmask maintains stock of legacy and current-generation modules
Typical Applications
- Oil & Gas — upstream/downstream process control
- Petrochemical & Refinery DCS upgrades and expansions
- Power Generation — turbine and boiler control systems
- Pharmaceutical — batch process automation (FDA 21 CFR Part 11 environments)
- Pulp & Paper — continuous process monitoring
- Water Treatment — SCADA and DCS integration
System Compatibility
- Yokogawa CENTUM VP (all revisions)
- Yokogawa CENTUM CS 3000
- Compatible with Vnet/IP and ESB bus architectures
- Supports integration with ProSafe-RS safety instrumented systems
Selection Guide
Use the table below to identify the correct module for your application:
- Need bus node / network interface? → A2BN3D-11130
- Need signal multiplexing? → A2SMX801-S130
- Need signal distribution / analog I/O? → A2SDV105-S130
- Need the base multi-function module? → A2MMM843
Not sure which model fits your system? Send us your system configuration or cabinet layout and our engineers will recommend the correct part within 24 hours.
Quality Assurance & Sourcing
- ✅ Step 1 — Source Verification: All units sourced from authorized distributors or decommissioned OEM facilities
- ✅ Step 2 — Visual & Physical Inspection: Checked for counterfeit markings, physical damage, and label authenticity
- ✅ Step 3 — Functional Testing: Bench-tested against Yokogawa CENTUM test protocols
- ✅ Step 4 — Documentation: Full traceability record provided with every shipment
How to Order
- Click Add to Cart or use the Request a Quote form for bulk orders
- Specify your required model number (A2MMM843 / A2BN3D-11130 / A2SMX801-S130 / A2SDV105-S130)
- Indicate condition preference: New / Refurbished / Tested Used
- Provide your shipping destination for freight calculation
- Our team responds within 1 business day with availability and lead time
Replacement & Compatibility FAQ
Q: Can A2BN3D-11130 directly replace A2MMM843?
A: These models serve related but distinct functions within the CENTUM architecture. Please confirm with our engineers before substitution.
Q: Are refurbished units safe for SIL-rated loops?
A: Refurbished units are tested to functional standards but SIL certification requires OEM documentation. We recommend new units for safety-critical loops.
Q: Do you provide a warranty?
A: Yes — all units carry a minimum 90-day functional warranty. Extended warranty available on request.
Q: Can you ship internationally?
A: Yes. We ship to over 80 countries with full export documentation including commercial invoice, packing list, and COO certificate.
Q: What if my model is discontinued?
A: Konmask specializes in legacy and obsolete Yokogawa parts. Contact us with your model number and we will locate stock or recommend a validated equivalent.
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