Yokogawa EB402-10 ESB Bus Coupler Module
The Yokogawa EB402-10 , also cataloged as the EB402-10 ESB Bus Coupler Module, operates as a dedicated hardware component for master communication interfacing and remote I/O node connectivity within Yokogawa CENTUM CS 3000 and CENTUM VP Distributed Control Systems (DCS).
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | EB402-10 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | Standard CENTUM VP module weight |
| Dimensions | Standard Yokogawa FCU slot footprint |
| Operating Temp | -20 to 60 deg C |
| Power Consumption | 3 to 5 W (supplied via FCU backplane) |
| Product Type | Bus Coupler Modules |
| System Compatibility | CENTUM CS 3000 / CENTUM VP Systems |
| Bus Architecture | ESB (Enhanced Serial Bus) Master |
| Cyclic Data Rate | 128 Mbps |
| Max Remote Nodes | Up to 9 remote I/O node units |
| Bus Isolation | Galvanic isolation between bus and internal circuits |
| Cable Specification | Shielded twisted-pair (10 m max segment distance) |
4-20 mA HART Loop Protocol & Channel-to-Channel Isolation Integration
The EB402-10 functions as an ESB master coupler module, driving high-speed 128 Mbps cyclic data exchanges between the main Field Control Unit (FCU) and downstream remote I/O nodes via standard shielded twisted-pair cabling. Fully compatible with SS8401 series ESB slave modules, the card features internal galvanic isolation to eliminate ground loop noise across distributed bus segments. The high-speed serial links support redundant bus topologies, preserving telemetry throughput and transparent signal routing for connected 4-20 mA HART loop protocol transmitters and process I/O channels.
Frequently Asked Questions
Q: What is the maximum segment distance supported by the EB402-10 module for ESB cabling?
A: The module supports a maximum physical cable length of up to 10 meters per ESB bus segment using standard shielded twisted-pair cabling.
Q: Does the EB402-10 support dual-redundant ESB bus configurations?
A: Yes, the EB402-10 can be installed in redundant pairs within the FCU chassis to provide uninterrupted bus failover protection.
Field Installation Guidelines
- De-energize the host Field Control Unit rack power before installing or removing the EB402-10 module.
- Align the module card edges with the designated FCU coupler slot card guides and slide the assembly in until the rear edge connector seats fully into the backplane.
- Fasten the front top and bottom retaining screws to secure the chassis connection and ensure proper shield grounding.
- Connect the shielded twisted-pair ESB bus cable between the master EB402-10 port and the input port of the remote slave node unit, ensuring segment runs do not exceed 10 meters.
- Apply approved line-terminating resistors at the final slave node unit on the ESB bus run to prevent signal reflections across the 128 Mbps communication line.
Yokogawa EB402-10 ESB Bus Coupler Module
Yokogawa EB402-10 ESB Bus Coupler Module
The Yokogawa EB402-10 , also cataloged as the EB402-10 ESB Bus Coupler Module, operates as a dedicated hardware component for master communication interfacing and remote I/O node connectivity within Yokogawa CENTUM CS 3000 and CENTUM VP Distributed Control Systems (DCS).
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | EB402-10 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | Standard CENTUM VP module weight |
| Dimensions | Standard Yokogawa FCU slot footprint |
| Operating Temp | -20 to 60 deg C |
| Power Consumption | 3 to 5 W (supplied via FCU backplane) |
| Product Type | Bus Coupler Modules |
| System Compatibility | CENTUM CS 3000 / CENTUM VP Systems |
| Bus Architecture | ESB (Enhanced Serial Bus) Master |
| Cyclic Data Rate | 128 Mbps |
| Max Remote Nodes | Up to 9 remote I/O node units |
| Bus Isolation | Galvanic isolation between bus and internal circuits |
| Cable Specification | Shielded twisted-pair (10 m max segment distance) |
4-20 mA HART Loop Protocol & Channel-to-Channel Isolation Integration
The EB402-10 functions as an ESB master coupler module, driving high-speed 128 Mbps cyclic data exchanges between the main Field Control Unit (FCU) and downstream remote I/O nodes via standard shielded twisted-pair cabling. Fully compatible with SS8401 series ESB slave modules, the card features internal galvanic isolation to eliminate ground loop noise across distributed bus segments. The high-speed serial links support redundant bus topologies, preserving telemetry throughput and transparent signal routing for connected 4-20 mA HART loop protocol transmitters and process I/O channels.
Frequently Asked Questions
Q: What is the maximum segment distance supported by the EB402-10 module for ESB cabling?
A: The module supports a maximum physical cable length of up to 10 meters per ESB bus segment using standard shielded twisted-pair cabling.
Q: Does the EB402-10 support dual-redundant ESB bus configurations?
A: Yes, the EB402-10 can be installed in redundant pairs within the FCU chassis to provide uninterrupted bus failover protection.
Field Installation Guidelines
- De-energize the host Field Control Unit rack power before installing or removing the EB402-10 module.
- Align the module card edges with the designated FCU coupler slot card guides and slide the assembly in until the rear edge connector seats fully into the backplane.
- Fasten the front top and bottom retaining screws to secure the chassis connection and ensure proper shield grounding.
- Connect the shielded twisted-pair ESB bus cable between the master EB402-10 port and the input port of the remote slave node unit, ensuring segment runs do not exceed 10 meters.
- Apply approved line-terminating resistors at the final slave node unit on the ESB bus run to prevent signal reflections across the 128 Mbps communication line.
