{"product_id":"yokogawa-nm29-a-network-communication-module","title":"Yokogawa NM29*A Network Communication Module","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa NM29*A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eNM29\u003c\/strong\u003e Network Communication Module, operates as a dedicated hardware component for high-speed data exchange and redundant port routing within Yokogawa distributed control system networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe style code revision specifies physical connector layouts and circuit design updates for the base network module series.\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCode Element\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification \/ Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNM29\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase model designation for network communication module series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e*\u003cstrong\u003eA\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd\u003eStyle code Revision A specifying circuit design layout and physical interface revision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003eNM29*A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\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\u003e1.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e330 mm x 250 mm x 60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC \/ 5 VDC backplane powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eNetwork Communication Module \/ Network Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eDual-redundant port management\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eYokogawa CENTUM VP \/ CS 3000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and DCS Network Integration\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa NM29*A coordinates deterministic data transmission between node controllers and field instrumentation networks. To prevent electrical transients from propagating across communication lines, the board incorporates channel-to-channel isolation circuits between field-side buses and core backplane logic. The module processes fieldbus packets including 4-20 mA HART loop protocol telemetry and FOUNDATION Fieldbus field device signals, maintaining signal integrity under heavy data traffic. Integrated hardware diagnostic routines monitor bus continuity and automatically failover to secondary redundant communication ports when link degradation or packet corruption is detected.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the NM29*A execute redundant port failover during a network cable fault?\u003c\/p\u003e\n\u003cp\u003eA: The module continuously monitors line integrity on both primary and secondary communication channels. Upon detecting packet loss or physical link disconnect on the active port, the internal communication processor transfers data traffic to the backup port without interrupting scan timing or system logic execution.\u003c\/p\u003e\n\u003cp\u003eQ: Are there hardware constraints when replacing the NM29*A in an active rack assembly?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping requires that the secondary redundant communication module is fully powered, synchronized, and carrying active bus traffic before removing the target module to prevent node disconnects.\u003c\/p\u003e\n\u003cp\u003eQ: What grounding provisions protect the NM29*A against high-frequency bus interference?\u003c\/p\u003e\n\u003cp\u003eA: The module relies on ground contacts integrated into the chassis guide rails and shielded connector housings, directing high-frequency electrical noise straight to the common cabinet earth ground plane.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eAlign the module card edges with the subrack guide rails and insert the card smoothly into the target slot until the ejector levers lock firmly into position.\u003c\/li\u003e\n\u003cli\u003eEnsure both primary and secondary network cables are securely connected to the designated RJ-45 or fiber optic ports prior to activating backplane communication loops.\u003c\/li\u003e\n\u003cli\u003eMaintain dedicated cable tray routing for network communication lines, keeping them segregated from high-power AC distribution lines and motor drive leads.\u003c\/li\u003e\n\u003cli\u003eVerify that the system cabinet grounding bus is bonded to protective earth (PE) using low-impedance copper conductors.\u003c\/li\u003e\n\u003cli\u003eInspect link LEDs on the module front panel post-powering to confirm link establishment and proper node synchronization.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52755606274328,"sku":"NM29*A","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/NM62_Cocoai.jpg?v=1790216119","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-nm29-a-network-communication-module","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}