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Yokogawa SB401-51 ESB Bus Interface Slave Module

Name: Yokogawa SB401-51 ESB Bus Interface Slave Module
Brand: Yokogawa
Availability: InStock

Manufacturer:Yokogawa

Product Number:SB401-51

Product Type:ESB Bus Interface Slave Module

Origin:Japan

Dimensions:130 x 142.5 x 32.8mm

Weight:0.45 kg

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Payment Methods:T/T, PayPal, Western Union

Condition:New & In Stock

Warranty:1 Year

Lead Time:1-3 Working Days

Certificate:COO

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Product Description

The Yokogawa SB401-51 is an ESB Bus Interface Slave Module designed for integration within the CENTUM VP control system. It provides a high-speed, reliable communication link between the Field Control Unit (FCU) and I/O modules in the ESB bus architecture. The module is typically used in conjunction with the ANB10S or ANB10D Node Units to ensure stable data exchange and system flexibility.

Technical Specifications

Parameter	Specification
Model	SB401-51
Function	ESB Bus Interface Slave Module
Compatible Node Units	ANB10S (Single Bus), ANB10D (Dual-Redundant Bus)
Power Source	Supplied by Node Unit
Mounting Type	19-inch rack mounting
Max. Modules per Node Unit	2 (for redundancy)
Operating Voltage Options	100-120V AC / 220-240V AC / 24V DC
Power Consumption	Max. 120 W
Dimensions (W x H x D)	130 x 142.5 x 32.8 mm
Weight	0.45 kg
Environment Option	ISA G3, -20°C to 70°C (optional)
Certifications	ATEX / IECEx (optional with suffix codes)

Applications

Distributed control systems (DCS) in process industries
Integration of analog and digital I/O via ESB Bus
Redundant communication paths in critical control systems
Power and communication management for remote I/O modules
Centralized control architecture using Yokogawa CENTUM VP systems

Advantages

Redundancy Support: Dual-module installation for communication reliability
Compact and Modular: Easily mounts on 19-inch racks, flexible configurations
Power Efficiency: Shares power via node units; optimized for 120 W max consumption
Environmental Robustness: Optional operation from -20°C to 70°C with G3 compliance
System Compatibility: Seamless integration with Yokogawa’s ANB10S/D units and FCU

Frequently Asked Questions (FAQ)

Q1: What is the function of the SB401-51 module?

A1: It serves as the communication bridge between the Field Control Unit and I/O modules via the ESB bus.

Q2: Can SB401-51 be used in redundant configurations?

A2: Yes, two SB401-51 modules can be installed for dual-redundant communication.

Q3: What node units are compatible with SB401-51?

A3: It is compatible with ANB10S (single bus) and ANB10D (dual bus) node units.

Q4: Does the SB401-51 provide power to I/O modules?

A4: No, power is supplied via the power supply modules in the node unit.

Q5: What is the installation format?

A5: It is designed for 19-inch rack mounting using M5 screws.

Q6: Is it suitable for harsh environments?

A6: Yes, with optional ISA G3 and -20°C to 70°C rating.

Q7: Can it operate with different voltages?

A7: Yes, through the node unit it supports 100–120V AC, 220–240V AC, or 24V DC.

Q8: What is the weight of the SB401-51?

A8: The module weighs approximately 0.45 kg.

Q9: How many I/O modules can a node unit support?

A9: Up to 8 I/O modules per node unit.

Q10: Is explosion protection available?

A10: Yes, explosion-proof versions can be ordered with the appropriate suffix codes.