SB302-S1 Yokogawa CENTUM VP Datasheet & Technical Manual

SB302-S1 Yokogawa CENTUM VP ESB Bus Interface Card

SB302-S1 Yokogawa CENTUM VP ESB Bus Interface Card

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Yokogawa SB302-S1 ESB Bus Interface Card The Yokogawa SB302-S1, also cataloged as the SB302 ESB Bus Interface Card, operates as...

SKU: SB302 S1

Manufacturer: Yokogawa
Product No.: SB302 S1
Product Type: Communication Modules
Product Origin: Japan
Payment:T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa SB302-S1 ESB Bus Interface Card

The Yokogawa SB302-S1, also cataloged as the SB302 ESB Bus Interface Card, operates as a dedicated hardware component for high-speed Field Control Unit (FCU) to local node communication within the CENTUM VP system. This card manages the physical ESB (Enhanced Serial Bus) data exchange between the control processor and remote I/O subsystems, ensuring deterministic data transfer for process automation loops.

Hardware Specifications

Parameter	Specification
Model	SB302-S1
Brand	Yokogawa
Origin	Japan
Weight	0.5 kg
Dimensions	160 mm x 120 mm x 25 mm
Operating Temp	0 deg C to 50 deg C
Power Consumption	Supplied via FCS main unit
Interface Type	ESB Bus
Mounting	Slot-based FCS integration
Redundancy	Dual-redundant support
Hot-Swap	Not supported

Process Control and Communication Interface

The SB302-S1 maintains 4-20 mA HART loop protocol transparency across the ESB architecture, facilitating integrated process management. The module supports channel-to-channel isolation between local nodes to minimize common-mode noise. Communication timing is governed by the FCS master clock, ensuring synchronous data updates across the control bus. The hardware incorporates galvanic isolation techniques to protect the backplane bus from transient surges originating in field-side wiring, maintaining system stability during high-speed data transmission cycles.

Frequently Asked Questions

Q: Does the SB302-S1 support hot-swapping during normal system operation? A: No. The SB302-S1 does not support hot-swapping. The host FCS main unit must be powered down prior to the removal or installation of this interface card to prevent damage to the backplane connectors or internal circuitry.

Q: How is redundancy handled by the SB302-S1 in the CENTUM VP architecture? A: The module supports dual-redundancy configurations as defined by the system software. In a redundant pair, the secondary module remains in a standby state, monitoring the primary bus activity and assuming control automatically upon detection of a primary communication failure.

Field Installation Guidelines

Static Discharge Protection: Wear a properly grounded ESD wrist strap before handling the card to prevent damage to the integrated surface-mount components.
Slot Alignment: Align the SB302-S1 with the designated bus interface slot within the FCS card cage. Ensure the card is inserted squarely to prevent pin misalignment on the backplane connector.
Mechanical Securing: Fully insert the card until the engagement pins align with the chassis guides. Tighten the top and bottom captive screws to ensure the module maintains proper mechanical contact and thermal grounding with the rack assembly.
Wiring Termination: Verify that the ESB bus cables are correctly seated and latched. Shielded twisted-pair cables must be secured to the chassis grounding point to suppress electromagnetic interference on the serial bus.

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