{"product_id":"communication-module-1769-sm2-allen-bradley","title":"Communication Module 1769-SM2 Allen-Bradley","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe 1769-SM2 is a high-performance serial communication module for bridging 1769-based controllers with PowerFlex AC drives. Supporting both Drive Serial Interface (DSI) and Modbus RTU protocols, it enables control of up to five drives per module in multi-drive mode. This module is essential for machine builders using MicroLogix 1500 or CompactLogix systems who require drive parameter monitoring and control over a serial network without occupying additional network nodes.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003e1769-SM2 Communication Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol Support\u003c\/td\u003e\n\u003ctd\u003eDrive Serial Interface (DSI), Modbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Compatibility\u003c\/td\u003e\n\u003ctd\u003ePowerFlex 4-class (4, 40, 400), PowerFlex 7-class (via 20-HIM-H-RS485-HVAC adapter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Draw\u003c\/td\u003e\n\u003ctd\u003e350 mA @ 5.1 V DC; 0 mA @ 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Distance Rating\u003c\/td\u003e\n\u003ctd\u003e4 slots from 1769 power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDSI Communication Speed\u003c\/td\u003e\n\u003ctd\u003e19.2 kbps fixed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModbus RTU Speeds\u003c\/td\u003e\n\u003ctd\u003e300–38400 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Modes\u003c\/td\u003e\n\u003ctd\u003eSingle-drive or Multi-drive (up to 5 drives)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Configuration\u003c\/td\u003e\n\u003ctd\u003e3 independent serial channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10 to 50 °C (14 to 122 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.17 kg \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNetwork and Integration Capabilities\u003c\/h3\u003e\n\u003cp\u003eThe 1769-SM2 converts Logix backplane data into serial packets for DSI or Modbus RTU communication. In multi-drive mode, it reduces hardware footprint by consolidating multiple PowerFlex units into a single slot.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMicroLogix 1500\u003c\/strong\u003e: Functions as a local expansion module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompactLogix\u003c\/strong\u003e: Usable in local chassis or remote 1769 I\/O assemblies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eParameter Access\u003c\/strong\u003e: Full access to drive parameters for real-time monitoring and configuration via RSLogix 500 or Studio 5000.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePlace the module within four slots of the system power supply to maintain 5 V DC bus integrity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse shielded twisted-pair cabling for all DSI and Modbus connections to minimize EMI in motor control environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Technical Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 1769-SM2 control PowerFlex 525 drives?\u003c\/strong\u003e\u003cbr\u003eYes, it can communicate via DSI, though modern applications typically use 1769-LxxER controllers' Ethernet ports for improved performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support Modbus TCP?\u003c\/strong\u003e\u003cbr\u003eNo. The 1769-SM2 is serial-only. For Modbus TCP, use a CompactLogix 5370 Ethernet port with Open Sockets or a third-party gateway.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":52513402618040,"sku":"1769-SM2","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1769-SM2.jpg?v=1769756635","url":"https:\/\/www.globalpetroparts.com\/products\/communication-module-1769-sm2-allen-bradley","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}