{"product_id":"allen-bradley-1756-psca2-redundant-power-supply-adapter","title":"Allen-Bradley 1756-PSCA2 | Redundant Power Supply Adapter","description":"\u003ch2 style=\"color: #333; margin-top: 20px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-PSCA2\u003c\/strong\u003e is a high-performance Chassis Adapter Module designed for the ControlLogix system. It serves as the vital physical link for redundant power supply configurations, allowing two power supplies to be connected to a single ControlLogix chassis. This module ensures maximum system uptime by enabling seamless power redundancy, making it a critical component for high-availability industrial automation applications.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #333; margin-top: 30px;\"\u003eCore Technical Details\u003c\/h2\u003e\n\u003ch3 style=\"color: #444; font-size: 1.1em; margin-top: 15px;\"\u003eChassis Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe 1756-PSCA2 mounts directly onto the left side of a standard 1756 ControlLogix chassis. It provides the necessary backplane interface to distribute power from redundant supply cables, maintaining system stability without occupying a functional I\/O slot.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #444; font-size: 1.1em; margin-top: 15px;\"\u003eThermal Management\u003c\/h3\u003e\n\u003cp\u003eDesigned for efficient operation, this module manages power dissipation effectively, supporting up to 25.7 W at 30°C. Its robust hardware architecture is built to withstand the thermal demands of fully loaded chassis environments.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #333; margin-top: 30px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; margin-top: 15px; border-collapse: collapse; border: 1px solid #e0e0e0;\"\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 12px; border: 1px solid #e0e0e0; background-color: #fcfcfc; font-weight: bold; width: 30%;\"\u003ePart Number\u003c\/td\u003e\n    \u003ctd style=\"padding: 12px; border: 1px solid #e0e0e0;\"\u003e1756-PSCA2\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 12px; border: 1px solid #e0e0e0; background-color: #fcfcfc; font-weight: bold;\"\u003eSeries\u003c\/td\u003e\n    \u003ctd style=\"padding: 12px; border: 1px solid #e0e0e0;\"\u003eControlLogix\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 12px; border: 1px solid #e0e0e0; background-color: #fcfcfc; font-weight: bold;\"\u003eBackplane Current\u003c\/td\u003e\n    \u003ctd style=\"padding: 12px; border: 1px solid #e0e0e0;\"\u003e125 mA @ 24V DC\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 12px; border: 1px solid #e0e0e0; background-color: #fcfcfc; font-weight: bold;\"\u003eOperating Temp\u003c\/td\u003e\n    \u003ctd style=\"padding: 12px; border: 1px solid #e0e0e0;\"\u003e0°C to 60°C (32°F to 140°F)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 12px; border: 1px solid #e0e0e0; background-color: #fcfcfc; font-weight: bold;\"\u003eUnit Weight\u003c\/td\u003e\n    \u003ctd style=\"padding: 12px; border: 1px solid #e0e0e0;\"\u003eApproximately 0.45 kg (1.0 lb)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding: 12px; border: 1px solid #e0e0e0; background-color: #fcfcfc; font-weight: bold;\"\u003eVibration\/Shock\u003c\/td\u003e\n    \u003ctd style=\"padding: 12px; border: 1px solid #e0e0e0;\"\u003e2g @ 10-500 Hz \/ 30g Operating\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"color: #333; margin-top: 30px;\"\u003eInstallation \u0026amp; Maintenance\u003c\/h2\u003e\n\u003ch3 style=\"color: #444; font-size: 1.1em;\"\u003eMechanical Mounting\u003c\/h3\u003e\n\u003cp\u003eThe module features a compact footprint of 3.4 x 15.1 x 14.4 cm. Always ensure the chassis power is disconnected before sliding the 1756-PSCA2 onto the chassis power connectors. Secure the mounting screws to maintain ground continuity.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #444; font-size: 1.1em;\"\u003eRedundancy Setup\u003c\/h3\u003e\n\u003cp\u003eConnect the redundant power supply cables (typically from 1756-PAR2 or 1756-PBR2 supplies) to the ports on the adapter. Verify that both supplies are operational via the status indicators on the power supply units themselves.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #333; margin-top: 30px;\"\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cp\u003eThe 1756-PSCA2 is engineered for missions where downtime is not an option. By facilitating redundant power, it protects the ControlLogix backplane from single-point power failures. Its high shock and vibration resistance make it suitable for heavy industrial use, including oil and gas, automotive, and wastewater treatment facilities.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #333; margin-top: 30px;\"\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Does the 1756-PSCA2 supply power itself?\u003c\/strong\u003e\u003cbr\u003e\nA1: No, it is a passive adapter. It facilitates the connection between external redundant power supplies and the chassis backplane.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: Can I use this with a standard non-redundant power supply?\u003c\/strong\u003e\u003cbr\u003e\nA2: No. This module is specifically designed for redundant power supply systems. Standard 1756 power supplies mount directly to the chassis without this adapter.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: What is the maximum humidity for operation?\u003c\/strong\u003e\u003cbr\u003e\nA3: The module operates reliably up to 95% relative humidity, provided there is no condensation. For high-humidity environments, ensure the enclosure is properly rated.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51047657603204,"sku":"1756-PSCA2","price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1756-PSCA2-4.jpg?v=1777642222","url":"https:\/\/www.etowonauto.com\/az\/products\/allen-bradley-1756-psca2-redundant-power-supply-adapter","provider":"Etowon Auto","version":"1.0","type":"link"}