{"product_id":"eb402-10-er-bus-interface-master-module-yokogawa","title":"EB402-10 | ER Bus Interface Master Module | Yokogawa","description":"\u003ch2\u003eYokogawa EB402-10 ER Bus Interface Master Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa EB402-10ER\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eEB402-10 ER Bus Interface Master Module\u003c\/strong\u003e, operates as a dedicated hardware component for ER Bus master-level communication control within \u003cstrong\u003eCENTUM VP \/ CENTUM CS 3000 Distributed Control System (DCS)\u003c\/strong\u003e networks. The \u003cstrong\u003eYokogawa EB402-10ER\u003c\/strong\u003e executes deterministic backplane-driven data exchange between the FCU processor and distributed ER Bus slave I\/O nodes via coaxial 10BASE-2 physical links.\u003c\/p\u003e\n\u003ch3\u003eHardwareSpecifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eYokogawa EB402-10ER\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e5.1 cm x 12.7 cm x 15.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eER Bus over IEEE 802.3 10BASE-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Speed\u003c\/td\u003e\n\u003ctd\u003e10 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eBNC coaxial interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 185 m per segment (YCB141 cable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eYokogawa Process Control Bus Execution Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa DCS communication architecture implements deterministic cyclic polling over ER Bus segments, where the EB402-10ER functions as the master arbitration node. Signal exchange integrity is maintained through channel-level electrical separation between backplane logic and external coaxial transmission lines.\u003c\/p\u003e\n\u003cp\u003eIn process data acquisition configurations, the module supports \u003cstrong\u003eFOUNDATION Fieldbus \/ PROFIBUS-style integration mapping layers\u003c\/strong\u003e through system-level protocol translation in the CENTUM controller stack. Internal signal conditioning stages are designed to maintain stable data throughput under 10 Mbps bandwidth constraints without frame collision escalation under normal bus loading conditions.\u003c\/p\u003e\n\u003cp\u003eChannel isolation is implemented between FCU backplane circuitry and external ER Bus interfaces to reduce susceptibility to external grounding noise and loop-induced voltage offsets in distributed node layouts.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the EB402-10ER module be hot-swapped during system operation?\u003c\/strong\u003e\u003cbr\u003eA: Hot-swap capability depends on FCU backplane design. In standard CENTUM VP FCU configurations, removal of the master ER Bus module typically requires controlled shutdown of the communication segment to prevent bus reinitialization faults.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the electrical load impact on the FCU backplane?\u003c\/strong\u003e\u003cbr\u003eA: The module draws operating power directly from the FCU backplane supply rail. Load distribution is managed at rack level; no external power terminal is used.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module support redundant master configuration?\u003c\/strong\u003e\u003cbr\u003eA: Redundant operation is implemented via paired EB402 modules installed in adjacent FCU slots, operating in synchronized primary\/standby mode with automatic failover arbitration.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eEnsure FCU chassis power is fully isolated prior to insertion or removal of the EB402-10ER module. Insert the module into the designated slot with controlled backplane alignment to avoid connector pin stress.\u003c\/p\u003e\n\u003cp\u003eMaintain coaxial ER Bus cabling within 10BASE-2 impedance requirements using approved BNC termination practices. All cable shields must be grounded at a single-point reference to prevent loop current circulation across distributed I\/O nodes.\u003c\/p\u003e\n\u003cp\u003eAvoid routing ER Bus coaxial lines parallel to high-voltage switching conductors to reduce induced noise coupling. Verify termination resistance at both ends of each bus segment before system commissioning.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44152935874648,"sku":"EB402-10","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/EB402-10.jpg?v=1780022835","url":"https:\/\/www.industriaxplc.com\/products\/eb402-10-er-bus-interface-master-module-yokogawa","provider":"IndustriaX Limited","version":"1.0","type":"link"}