Yokogawa EB401-10 ER Bus Interface Master Module

The Yokogawa EB401-10, also cataloged as the EB401 ER Bus Interface Master Module, operates as a dedicated hardware component for control communication exchange within Yokogawa CENTUM control system networks. The module provides a single ER bus communication channel with 10 Mbps transmission capability for connectivity between node units and field control equipment.

Hardware Specifications

ER Bus Communication Interface

The EB401-10 functions as the master communication interface for ER bus networks. The module manages data exchange between compatible node units and connected control system components through a dedicated communication channel operating at 10 Mbps.

Control Network Connectivity

The module supports communication over YCB141 coaxial cabling with a maximum transmission distance of 185 m. Installation is intended for compatible ANB10 ESB Bus Node Units and AFF50 Field Control Units, with placement in designated odd-numbered slots for single-module configurations.

Frequently Asked Questions

Q: How many communication channels are provided?
A: The EB401-10 supports one control communication channel.

Q: What is the maximum communication distance?
A: The specified transmission distance is 185 m when using YCB141 cable.

Q: Which node units are compatible with this module?
A: Compatible units include the ANB10 ESB Bus Node Unit and AFF50 Field Control Unit.

Field Installation Guidelines

• Install the module only in compatible Yokogawa node units.

• Mount the unit in an odd-numbered slot as specified for single configurations.

• Use approved YCB141 coaxial cable for ER bus connections.

• Route communication cables separately from high-power conductors.

• Verify cable termination and network continuity before commissioning.