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- Yokogawa
- EB501-50
- Bus Interface Slave Module
- Japan
- 157 × 25 × 203 mm
- 2kg
- Xiamen, China
- New & In Stock
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Product Overview – EB501‑50
Introduction
The EB501‑50 is a bus interface module engineered for system communication within distributed control systems (DCS). Installed as a slave on the ESB or equivalent bus, it connects field nodes and modules to the central control network, enabling reliable data exchange and system coordination.
Brand & Series
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Brand: Yokogawa
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Series: EB series – bus interface modules in CENTUM and VP architectures
Key Specifications
| Parameter | Specification |
|---|---|
| Model | EB501‑50 |
| Function | ESB bus interface (slave module) |
| Power Supply | 24 V DC |
| Operating Temperature | –10 °C to +55 °C |
| Humidity | 10 % to 90 % RH (non-condensing) |
| Dimensions (W×H×D) | 88 × 58 × 75 mm |
| Weight | 0.4 kg (standard version) |
| Alternate Dimensions (S2) | 157 × 25 × 203 mm (larger housing) |
| Alternate Weight (S2) | 2 kg |
| Communication Interface | ESB bus (electrical/optical) |
| Fieldbus Support (alt source) | PROFIBUS DP, FOUNDATION Fieldbus, HART |
| Environmental Ruggedness | Vibration, shock spec typical for industrial use |
Applications
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Integral bus interface in CENTUM VP/CS DCS setups
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Linking field I/O modules and control nodes to central system via ESB
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Suitable for industries like petrochemical, power, manufacturing, paper, textile, and electronics
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Applications requiring robust, compact bus communication in tight control panels
Advantages
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Compact and efficient form factor saves panel space
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Reliable ESB bus integration ensures structured, scalable system layout
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Wide operating range supports varied environmental conditions
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Industry-standard connectivity allows seamless replacements and upgrades
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Durable construction suitable for industrial field and control room environments
Related or Series-Compatible Models
| Model | Key Features & Differences | Dimensions (approx.) | Weight (kg) |
|---|---|---|---|
| EB501‑50 S2 | Extended version; larger housing, higher weight | 157 × 25 × 203 mm | 2.0 |
| EB501‑10 | EB bus slave with minimal I/O and compact footprint | ~96 × 48 × 25 mm | ~0.02 |
| EB401‑50 | Similar interface module for different fieldbus systems | Moderate module form | ~0.3 |
| ANB10D | ESB bus node unit combining interface and power modules | Rack unit size | ~0.5 |
| ANT10U | Optical ESB repeater module for network extension | Slim module | ~0.2 |
Popular Yokogawa Modules
| Model | Functionality | Size (approx.) | Weight (kg) |
|---|---|---|---|
| AAI143‑S50 | 16-channel analog input module | Slim DIN-like module | ~0.3 |
| AAI543‑S50 | 16-channel analog output module | Slim DIN-like module | ~0.4 |
| ADV151‑P00 | Fast-response digital output module | Compact panel module | ~0.35 |
| SDV144‑S53 | 16-channel digital input with LED indication | Slim DIN-like module | ~0.3 |
| PW402 | Power supply module for DCS chassis | Mid-height module | ~0.9 |
FAQ (10 Q&A)
Q1: What is the primary function of EB501‑50?
A1: It acts as a slave interface to the ESB bus, linking field devices to the controller.
Q2: What are its key dimensions and weight?
A2: Standard size is 88 × 58 × 75 mm, weighing 0.4 kg; the S2 variant is larger at 157 × 25 × 203 mm and 2 kg.
Q3: What power does it require?
A3: It operates on 24 V DC, supplied through the rack backplane.
Q4: What temperature and humidity range can it handle?
A4: It works from –10 °C to +55 °C, with 10–90 % non‑condensing humidity tolerance.
Q5: Can it support fieldbuses like PROFIBUS or HART?
A5: Some module variants support PROFIBUS DP, FOUNDATION Fieldbus, and HART.
Q6: What distinguishes the S2 variant?
A6: It has a larger housing and greater weight; form factor changes likely reflect enhanced functionality.
Q7: Is it durable enough for industrial environments?
A7: Yes—its solid construction and design indicate rugged industrial suitability.
Q8: Is it easy to install and maintain?
A8: Yes—modular design and standard rack mounting simplify installation and servicing.
Q9: Why choose EB501‑50 over earlier modules?
A9: Its compact design and compatibility with the modern ESB system make it efficient and future-ready.
Q10: What industries typically use it?
A10: Commonly found in sectors like oil & gas, chemicals, power, manufacturing, and utility control systems.