F3AD04-5V Yokogawa Analog Input Module

Yokogawa SB301-S1 SB301 Centum CS3000 ESB Bus Interface Card

Yokogawa SB301-S1 SB301 Centum CS3000 ESB Bus Interface Card

Availability: 10 left in stock

Yokogawa SB301-S1 Centum CS3000 ESB Interface Card The Yokogawa SB301-S1, also cataloged as the SB301 ESB Bus Interface Cards, operates...

SKU: SB301 S1

Manufacturer: Yokogawa
Product No.: SB301 S1
Product Type: Communication Cards
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa SB301-S1 Centum CS3000 ESB Interface Card

The Yokogawa SB301-S1, also cataloged as the SB301 ESB Bus Interface Cards, operates as a dedicated hardware component for high-speed deterministic communications within Yokogawa Centum CS3000 platforms. Configured to interface Field Control Units (FCUs) with distributed I/O nodes over the Enhanced Serial Bus (ESB) network, the module manages real-time process data exchange across dual redundant transmission paths while maintaining optical isolation between bus lines and internal system logic.

Hardware Specifications

Parameter	Specification
Model	SB301-S1 / SB301
Brand	Yokogawa
Origin	Japan
Weight	0.3 kg (Shipping Weight 2.0 kg)
Dimensions	120 mm x 28 mm x 90 mm
Operating Temp	0 to +55 deg C
Power Consumption	~5 W (24 VDC Power Supply)
Communication Interface	Enhanced Serial Bus (ESB)
Data Transfer Rate	Up to 125 Mbps
Architecture	Dual redundant bus paths supported
Isolation Type	Optical isolation between bus and system
Humidity Range	10 to 90% RH (non-condensing)
Indicators	LEDs for power, communication, and error status

Enhanced Serial Bus Architecture and Optical Isolation

The interface module executes real-time data frame transmission across the proprietary Enhanced Serial Bus (ESB) architecture at rates up to 125 Mbps. Integrated optical isolation shields the control card processing logic from external electro-magnetic interference (EMI) and transient potential spikes on the communication bus lines. Designed for high-availability DCS architectures, the board incorporates hardware-level dual redundant paths, allowing immediate deterministic failover between bus channels to prevent communication drops during primary cable interruptions or transmitter interference.

Frequently Asked Questions

Q: Does replacing an SB301-S1 module require powering down the Field Control Unit (FCU) rack?

A: Live replacement procedures depend on the underlying CS3000 FCU rack hardware configuration. In dual redundant bus setups, maintenance personnel can swap a faulty interface card while the alternate redundant ESB path maintains active system communication.

Q: How does optical isolation on the ESB interface handle field ground potential differences?

A: Integrated optical isolators separate the physical bus communication signals from the central backplane logic, preventing common-mode voltage differences between distributed I/O racks from generating ground loops.

Q: What front-panel diagnostic indications display hardware or bus communication faults?

A: Onboard diagnostic LEDs indicate 24 VDC power availability, active ESB transmission activity, and hardware/bus error status, allowing immediate visual verification during field troubleshooting.

Field Installation Guidelines

Mount the module vertically into the dedicated FCU communication card slot, pressing firmly to seat the backplane edge connector before tightening the front-panel captive retention screws. Maintain specified bending radii on all ESB cables to avoid signal attenuation or optical interface mechanical stress. Ground all rack enclosures to the central system earth ground bus using heavy-gauge copper conductors to ensure proper noise suppression and signal integrity across the ESB infrastructure.

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