{"product_id":"allen-bradley-1785-enet-c-ethernet-interface-module","title":"Allen-Bradley 1785-ENET\/C Ethernet Interface Module","description":"\u003ch2\u003eAllen-Bradley 1785-ENET\/C Ethernet Interface Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for Ethernet TCP\/IP communication in PLC-5 controller platforms, the \u003cstrong\u003eAllen-Bradley 1785-ENET\/C\u003c\/strong\u003e (\u003cstrong\u003e1785-ENET\u003c\/strong\u003e Ethernet Interface Module) provides direct physical\/electrical execution through a 1771 I\/O chassis backplane connection and an RJ-45 twisted-pair Ethernet interface for PLC processor data exchange.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\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\u003e1785-ENET\/C\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eEthernet Interface Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003ePLC-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.74 lbs\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\u003eBackplane current draw: 1.0 A at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Type\u003c\/td\u003e\n\u003ctd\u003eEthernet TCP\/IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003e10 Mbps half-duplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Connector\u003c\/td\u003e\n\u003ctd\u003eRJ-45 twisted-pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Installation\u003c\/td\u003e\n\u003ctd\u003e1771 I\/O chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Processors\u003c\/td\u003e\n\u003ctd\u003ePLC-5\/20, PLC-5\/25, PLC-5\/30, PLC-5\/40, PLC-5\/60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKeying Position\u003c\/td\u003e\n\u003ctd\u003eBetween 8 and 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Arm Compatibility\u003c\/td\u003e\n\u003ctd\u003e1771-WG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eLink, Activity, and Module Health status LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5-95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP and PLC-5 Network Interface Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1785-ENET\/C module provides Ethernet TCP\/IP communication capability for PLC-5 processors through the 1771 chassis backplane interface. The module transfers programming, monitoring, and process data between PLC-5 controllers and Ethernet-connected systems including SCADA and HMI platforms.\u003c\/p\u003e\n\u003cp\u003eFor Allen-Bradley PLC architecture, the module operation depends on PLC-5 processor compatibility and backplane bus communication behavior. The Ethernet interface uses deterministic industrial network communication methods suitable for legacy PLC-5 data exchange.\u003c\/p\u003e\n\u003cp\u003eThe module supports firmware flash compatibility within the supported PLC-5 Ethernet interface product family. Network configuration requires verification of processor revision, chassis installation position, and communication parameters before commissioning.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What Ethernet communication speed is supported by the 1785-ENET\/C?\u003cbr\u003eA: The module supports 10 Mbps Ethernet TCP\/IP communication using an RJ-45 twisted-pair connector.\u003c\/p\u003e\n\u003cp\u003eQ: What power supply is required for the 1785-ENET\/C module?\u003cbr\u003eA: The module receives operating power from the 1771 I\/O chassis backplane and requires 1.0 A at 5 VDC backplane current.\u003c\/p\u003e\n\u003cp\u003eQ: Which PLC controller platforms are compatible with the 1785-ENET\/C?\u003cbr\u003eA: The module is designed for PLC-5 processors including PLC-5\/20, PLC-5\/25, PLC-5\/30, PLC-5\/40, and PLC-5\/60 models.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1785-ENET\/C module into the specified 1771 I\/O chassis slot and verify correct keying position alignment before applying power. Confirm processor compatibility and chassis backplane availability according to the PLC-5 system configuration.\u003c\/p\u003e\n\u003cp\u003eConnect the Ethernet cable to the RJ-45 interface and route communication wiring separately from high-voltage power cables to reduce electromagnetic interference. Maintain proper cable shielding and grounding practices according to industrial Ethernet installation requirements.\u003c\/p\u003e\n\u003cp\u003eAfter installation, verify Link, Activity, and Module Health LED indicators. Check TCP\/IP configuration parameters and confirm communication exchange with connected PLC programming, SCADA, or HMI systems.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43738888142938,"sku":"1785-ENET\/C","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1785-ENET1.jpg?v=1785136255","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1785-enet-c-ethernet-interface-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}