YOKOGAWA S9343FA
YOKOGAWA S9343FA
Model:S9343FA
Manufacturer: YOKOGAWA
Size: 20*20*30cm
Detail Specification: output module
Comment:Carton
Shipping Weight:0.5Kg
Payment:T/T
HS CODE:8537101190
Unit price (EXW): 300US dollars
Delivery time: in stock
product details
YOKOGAWA S9343FA
Introduction
The YOKOGAWA S9343FA is an original factory ESB bus terminal connector tailor-made to pair with Yokogawa SSB401-53 ESB interface slave modules inside SNB10D safety node racks. As a critical passive signal termination component for ProSafe-RS safety instrumented systems, YOKOGAWA S9343FA eliminates bus signal reflection, stabilizes high-speed ESB serial data transmission, and reinforces dual-channel CN1/CN2 port connection reliability for safety-critical industrial control loops. Automation integrators, DCS spare part suppliers, and plant maintenance teams rely on YOKOGAWA S9343FA to extend service life of SSB401-53 communication modules and avoid intermittent bus faults in harsh factory environments.
Core Technical Specifications of YOKOGAWA S9343FA
| Spec Category | Exact Parameter |
| Official Part No. | YOKOGAWA S9343FA |
| Product Type | ESB Bus Signal Termination Connector Unit |
| Matching Main Module | SSB401-53 ESB slave interface module |
| Host Rack Compatibility | SNB10D safety node unit racks |
| Bus Standard | Yokogawa proprietary ESB (Extension Safety Bus) 10Mbps synchronous bus |
| Interface Ports | Dual MIL-spec CN1/CN2 female pin connectors, fully pin-mapped to SSB401-53 |
| Termination Resistance | Standard 120Ω differential bus matching resistor built-in |
| Mechanical Size | 32.8mm W × 107.5mm D × 50mm H |
| Net Weight | 200g lightweight compact construction |
| Operating Temperature | -20°C ~ +70°C continuous operation |
| Storage Temperature | -40°C ~ +85°C spare part storage range |
| Humidity Tolerance | 5%–95% RH non-condensing |
| EMI Protection | Shielded internal PCB, low crosstalk <0.03% |
| Safety Certifications | CE industrial compliance, UL recognized component, IEC 61508 SIL3 compatible |
| Mounting Method | Direct plug-in lock fit to SSB401-53 rear dual ports, no extra wiring tools |
| Vibration Standard | ISA G3 industrial vibration resistance for cabinet installation |
| Origin | Japan original Yokogawa factory assembly |
Key Functional Advantages
1.Signal Integrity Optimization YOKOGAWA S9343FA integrates calibrated 120Ω termination resistors to match ESB bus impedance, removing data distortion and signal bounce that causes DCS communication dropouts during ESD safety trigger events.
2.Dual Redundant Channel Support Dual CN1/CN2 connector layout matches the SSB401-53 redundant bus design, enabling seamless automatic failover between primary and backup ESB communication lines without signal lag.
3.Plug-and-Play Maintenance Design Lockable screw mounting structure allows hot-swap compatible replacement during planned plant shutdowns, cutting module disassembly time by over 70% compared to generic third-party connectors.
4.Harsh Environment Durability Industrial-grade flame retardant orange plastic housing resists chemical dust, oil mist, and temperature cycling common in refineries and chemical plants; PCB coating prevents oxidation of pin contacts for long-term 10+ year service life.
Industrial Application Scenarios
YOKOGAWA S9343FA serves safety automation projects built on Yokogawa CENTUM VP, CENTUM CS3000 and ProSafe-RS platforms:
Oil & gas refinery ESD safety rack communication wiring
Thermal power plant boiler and turbine safety interlock systems
Petrochemical batch reactor fire & gas monitoring control nodes
Wastewater treatment hazardous chemical leak safety subsystems
Pharmaceutical validated safety instrumented control cabinets compliant with 21 CFR Part 11












