{"product_id":"allen-bradley-1756-en2t-d-ethernet-ip-bridge-module","title":"Allen-Bradley 1756-EN2T\/D EtherNet\/IP Bridge Module","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eAllen-Bradley 1756-EN2T\/D EtherNet\/IP Bridge Module\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-EN2T\/D\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN2T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEtherNet\/IP Bridge Module, operates as a dedicated hardware component for deterministic network communication bridging within the ControlLogix platform and EtherNet\/IP networks. It provides direct physical and protocol-level execution of CIP-based data exchange between ControlLogix controllers and distributed industrial Ethernet nodes.\u003c\/p\u003e\n\u003cp\u003eConfigured for high-speed controller-to-network communication in ControlLogix chassis systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-EN2T\/D\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e1756-EN2T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEtherNet\/IP Bridge Module) provides direct physical\/electrical execution across EtherNet\/IP networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eNo validated manufacturer-defined functional segmentation is published for the \/D suffix beyond hardware revision tracking. The revision indicates incremental hardware-level changes within the same functional module family (1756-EN2T series), without architectural redesign.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\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\u003e1756-EN2T\/D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e~145 mm × 35 mm × 140 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e~1.0 A at 5 VDC (backplane current draw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Type\u003c\/td\u003e\n\u003ctd\u003eEtherNet\/IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003eDual RJ-45 Ethernet ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e10\/100 Mbps auto-negotiation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnections Supported\u003c\/td\u003e\n\u003ctd\u003eUp to 128 CIP connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eControlLogix Backplane \u0026amp; EtherNet\/IP Deterministic Communication Behavior\u003c\/h3\u003e\n\u003cp\u003eThe module integrates into the 1756 ControlLogix backplane using cyclic data exchange mechanisms synchronized with chassis scan cycles. Backplane bus communication velocity is constrained by chassis scheduling and slot arbitration timing. EtherNet\/IP cyclic traffic uses implicit messaging over TCP\/UDP CIP objects. Firmware flash compatibility is dependent on controller and chassis revision alignment, requiring version consistency across network nodes. I\/O density scaling is governed by connection instance allocation per CIP session, limiting total active multicast and unicast paths under system load. The revision \/D implements updated Ethernet PHY handling to maintain signal integrity under sustained packet throughput conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1756-EN2T\/D support hot-swap removal under power?\u003cbr\u003eA: Yes. The module supports ControlLogix chassis hot-swap behavior. Network sessions drop and re-establish after reinsertion.\u003c\/p\u003e\n\u003cp\u003eQ: What is the backplane current limitation impact in multi-module chassis?\u003cbr\u003eA: Each module draws ~1.0 A at 5 VDC. Total chassis power budget must remain within 1756 power supply limits.\u003c\/p\u003e\n\u003cp\u003eQ: Does firmware mismatch affect EtherNet\/IP communication stability?\u003cbr\u003eA: Yes. Mismatched firmware between controller and communication module can prevent CIP session establishment.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the module only in a powered-off ControlLogix chassis when possible. Align the module with the backplane guide rails and fully seat the connector to ensure stable electrical contact. Maintain shielded twisted-pair cabling for RJ-45 Ethernet ports. Ensure proper grounding of the chassis backplane to reduce differential noise on Ethernet PHY lines. Avoid routing EtherNet\/IP cables parallel to high-voltage conductors to reduce induced coupling. Verify node IP configuration before enabling network scan cycles. Maintain firmware consistency across all 1756 platform modules before commissioning.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43581731700826,"sku":"1756-EN2T\/D","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-EN2TB.jpg?v=1782971952","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-en2t-d-ethernet-ip-bridge-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}