Introduction
The Yokogawa SSB401‑53 is an ESB Bus Interface Slave Module, engineered as part من Yokogawa’s ProSafe‑RS safety instrumented system. Operating as a trusted communication node, it ties safety node وحدةs (e.g., SNB10D) into the redundant ESB high-speed safety bus. Its robust design meets the IEC 61508 standard, supports hot-swapping, and is optimized for high-dependability environments.
مواصفات المنتج
| Parameter | Specification |
|---|---|
| رقم القطعة | SSB401‑53 |
| Role | ESB Bus Interface Slave Module |
| Communication Protocol | Enhanced Safety Bus (ESB), Vnet/IP |
| Bus Data Rate | ~1 Mbps |
| Max Bus Cable Length | up to 1 000 m (3 281 ft) |
| Power Supply | 24 V DC (through ESB bus) |
| Power Consumption | ~10 W |
| Current Consumption | 0.5 A |
| Operating Temperature Range | ‑20 °C to +70 °C |
| Relative Humidity | 5 % to 95 % (non‑condensing) |
| Ingress Protection | IP65 |
| Dimensions | ~142 × 32.8 × 32.8 mm |
| Module الوزن (net) | ~0.6 kg |
| الشحن الوزن | ~2 kg |
| Certification | IEC 61508 SIL‑rated |
| Mounting الدعم | Hot‑swap capable |
Note: Net and shipping weight are derived from multiple vendor sources.
Applications
The SSB401‑53 is widely utilised in mission-critical safety applications:
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Process Safety Control – integrating safety nodes into central ESB bus for process industries.
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Fire & Gas Systems – enabling fault-redundant control channels.
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Machinery Protection – safeguarding turbine, compressor, or critical spinning assets.
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Emergency Shutdown (ESD) – serving in fail-safe signal paths with high integrity.
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Plant Safety Networks – employed in chain or star ESB topologies, possibly extended >5 km using optical repeaters.
Advantages
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Redundant ESB Bus Mapping – supports resilient network topologies for non-stop safety.
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Hot‑Plug Capability – facilitates maintenance without full-system shutdown.
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Compliance with Safety Standards – IEC 61508 ensures SIL-level reliability.
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Wide Operating Range – ‑20 °C to +70 °C, with IP65 rating for harsh environments.
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Scalable Integration – accommodates chain or star configurations, extendable via optical repeaters up to 50 km.
FAQs
-
What differentiates SSB401-53 from SSB401‑13?
It’s a direct replacement – same functionality but enhanced suffix (“‑53”) indicating ISA G3 compliance. -
What power input does it use?
Powered via 24 V DC from the ESB bus, with ~10 W consumption. -
Can it be plugged or removed while powered?
Yes — supports hot‑swap for easy servicing. -
What is the max cable distance?
Up to 1 km over copper bus; up to 50 km using optical repeaters. -
Operating temperature and humidity rating?
‑20 °C to +70 °C and 5 %–95 % (non‑condensing). -
Is it explosion‑proمن?
“‑5” indicates standard (non‑explosion‑proمن), “‑3” suffix includes ISA G3 & temp spec. -
What’s the module’s weight and size?
Net0.45 kg; size 130 x 142.5 x 32.8mm. -
Does it meet any safety standards?
Yes — compliant with IEC 61508 (ProSafe‑RS). -
الضمان period?
Typically comes with a 12-month warranty. -
What delivery times should I expect?
Generally in stock, ships in 7–10 business days.
Related الطرازs
Same-Series / Related
| الطراز | الوصف |
|---|---|
| SSB401‑13 | Predecessor; equivalent interface module with older suffix. |
| SNT401‑13 | Optical ESB Bus Repeater module (enables fiber extension). |
| SNT411 | Optical ESB Bus Repeater Master Module. |
| SNT511 | Optical ESB Bus Repeater Slave Module. |
| SEC401‑11 | ESB Bus Coupler Module for safety control وحدة interface. |
| EC402‑51 | ESB Bus Coupler for N‑IO / FIO nodes. |
أخرى Popular Yokogawa Modules
| الطراز | Functionality |
|---|---|
| SDV541‑S63 | Digital output module |
| PM864AK01 | CPU processor وحدة |
| SCP461‑11 | Processor / control module |
| AAI143‑H03 S1 | Analog input module |
| BK3120 | بيكهوف bus coupler (system integration) |
| NFAI835‑S51 | Analog I/O module |
معلومات الشركة
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