{"product_id":"1756-l7sp-industrial-automation-module-stable-by-allen-bradley","title":"1756-L7SP Industrial Automation Module - Stable by Allen-Bradley","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1756-L7SP is a dedicated safety partner controller within the GuardLogix family, engineered to work alongside a primary GuardLogix L7 safety controller. This module forms a 1oo2 (one-out-of-two) safety architecture, delivering up to Safety Integrity Level 3 (SIL 3) and Performance Level e (PL e) functionality for critical industrial processes. The 1756-L7SP must be installed in the slot immediately to the right of the primary controller, ensuring seamless synchronization and redundant safety logic execution.\u003c\/p\u003e\u003cp\u003eAs part of the ControlLogix platform, the 1756-L7SP occupies two slots and draws minimal backplane current: 5 mA at 1.2 VDC and 800 mA at 5.1 VDC. Its power dissipation is rated at 2.5 W, with a thermal dissipation of 8.5 BTU\/hr, making it an energy-efficient choice for safety-rated systems.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eGuardLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eSafety Partner Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Width\u003c\/td\u003e\n\u003ctd\u003eTwo (2) Slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5.1 VDC)\u003c\/td\u003e\n\u003ctd\u003e800 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (1.2 VDC)\u003c\/td\u003e\n\u003ctd\u003e5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e2.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e8.5 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e30V continuous (basic insulation, USB port-to-system, type tested at 980V AC for 60 s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eNone (Open-Style)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Primary Controllers\u003c\/td\u003e\n\u003ctd\u003e1756-L71S, 1756-L71SK, 1756-L72S, 1756-L72SK, 1756-L73S, 1756-L73SK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Chassis\u003c\/td\u003e\n\u003ctd\u003e1756-A4, 1756-A4K, 1756-A7, 1756-A7K, 1756-A10, 1756-A10K, 1756-A13, 1756-A13K, 1756-A17, 1756-A17K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Power Supplies\u003c\/td\u003e\n\u003ctd\u003e1756-PA50, 1756-PA72, 1756-PA72K, 1756-PA75, 1756-PA75K, 1756-PB50, 1756-PB72, 1756-PB72K, 1756-PB75, 1756-PB75K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e10885630016495\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSIL 3 \/ PL e certified architecture:\u003c\/strong\u003e The 1756-L7SP works with a primary controller to achieve the highest safety integrity levels, making it suitable for emergency shutdown and process safety applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless integration:\u003c\/strong\u003e Designed to pair with 1756-L71S, 1756-L72S, and 1756-L73S series controllers, the module shares the primary controller's memory—no separate user memory is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and efficient:\u003c\/strong\u003e Occupying only two slots, the module minimizes chassis space while consuming just 2.5 W, reducing heat load in the control cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust electrical isolation:\u003c\/strong\u003e With 30V continuous isolation and type testing at 980V AC for 60 seconds, the USB port is well protected against voltage transients.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible mounting:\u003c\/strong\u003e The 1756-L7SP installs in any available slot of a compatible 1756 chassis, provided it sits immediately right of the primary controller.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1756-L7SP excels in high-integrity safety systems across multiple industries. In \u003cstrong\u003eoil and gas\u003c\/strong\u003e facilities, it supports emergency shutdown (ESD) systems that demand SIL 3 reliability. In \u003cstrong\u003eautomotive manufacturing\u003c\/strong\u003e, the module enables safe robot cell control and press protection. For \u003cstrong\u003epharmaceutical production\u003c\/strong\u003e, it ensures batch processing safety with PL e performance. Its 1oo2 architecture provides redundancy that reduces nuisance trips while maintaining fail-safe operation.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eInstalling the 1756-L7SP is straightforward:\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eEnsure the primary GuardLogix controller is installed in the chassis.\u003c\/li\u003e\n\u003cli\u003eInsert the 1756-L7SP into the slot immediately to the right of the primary controller.\u003c\/li\u003e\n\u003cli\u003eConnect the backplane power; the module draws 5 mA at 1.2 VDC and 800 mA at 5.1 VDC.\u003c\/li\u003e\n\u003cli\u003eUse the USB port for local programming and diagnostics—observe isolation ratings (30V continuous, basic insulation).\u003c\/li\u003e\n\u003cli\u003eVerify proper seating and locking of the module to ensure reliable backplane communication.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eNo special wiring is required beyond standard ControlLogix backplane connections. The module is open-style, so it must be installed in a suitable enclosure to meet environmental ratings.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThe 1756-L7SP is designed exclusively for GuardLogix L7 safety systems. It pairs with primary controllers 1756-L71S, 1756-L71SK, 1756-L72S, 1756-L72SK, 1756-L73S, and 1756-L73SK. It fits in any of the listed 1756 chassis and works with standard power supplies such as the 1756-PA50 and 1756-PB75. The module supports EtherNet\/IP, DeviceNet, and ControlNet communication protocols, enabling seamless integration into existing plant networks. Programming is accomplished via RSLogix 5000\/Studio 5000 using Relay Ladder Logic (RLL), Structured Text (ST), or Sequential Function Chart (SFC).\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore purchasing the 1756-L7SP, verify your primary controller model and chassis compatibility. Confirm that your power supply meets the backplane current requirements (5 mA @ 1.2 VDC, 800 mA @ 5.1 VDC). If you are upgrading an existing GuardLogix system, ensure the firmware versions of the primary and partner controllers match. PLC Source PRO offers genuine Allen-Bradley 1756-L7SP modules with fast shipping and expert support—contact us for availability and bulk pricing.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44435129008227,"sku":"1756-L7SP","price":291.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1756-2WS_08ae0a63-0916-42d5-a467-810ddd06e59f.jpg?v=1785783905","url":"https:\/\/www.plcsourcepro.com\/he\/products\/1756-l7sp-industrial-automation-module-stable-by-allen-bradley","provider":"PLC Source PRO","version":"1.0","type":"link"}