January 20 10 GFK-1948B I MPORTANT P RODUCT I NFORMATION READ THIS INFORMATION FIRST Product: Lithium Memory Backup Battery for IC693 PLCs Overview Some of this information is not available in any other publication; therefore, we recommend you save it for future reference. Formerly, this battery was shipped with the following IC693 power supplies, but this is no longer the case: IC693PWR321 IC693PWR322 IC693PWR324 IC693PWR325 IC693PWR328 IC693PWR330 IC693PWR331 IC693PWR332 CE693PWR330 CE693PWR331 The lithium memory backup battery is no longer shipped with IC693 power supplies; it is now shipped with IC693 CPU baseplates only. This battery is shipped with certain baseplates, described below. It is labeled as item number 44A724534-001 (which is not an orderable number). For replacement purposes, this battery must be ordered as a separate item by specifying catalog number IC693ACC301 (which is a kit containing two batteries). Battery Application The lithium memory backup battery should only be used in power supplies that are installed in CPU baseplates. One of these batteries now ships with each CPU baseplate shown in the table below. NOTE: Power supplies in expansion or remote baseplates do not require a memory backup battery. Installing the memory backup battery in a power supply installed in an expansion or remote baseplate provides no benefit. Also, the red BATT LED light is not functional on a power supply installed in an expansion or remote baseplate, and it will never light regardless of whether or not a battery is installed in the power supply. IC693 CPU Baseplates Baseplate Catalog Number Type No. of Slots IC693CHS391M Modular CPU 10 IC693CHS391MCA1 Modular CPU 10 IC693CHS391LTM Modular CPU 10 IC693CHS397L Modular CPU 5 IC693CHS397LCA1 Modular CPU 5 IC693CHS397LTL Modular CPU 5 IC693CPU311-AE Embedded CPU 5 IC693CPU311CA-AE Embedded CPU 5 IC693CPU311LT-AE Embedded CPU 5 IC693CSE311E Embedded CPU 5 IC693CPU313LTV Embedded CPU 5 IC693CPU313V Embedded CPU 5 IC693CPU313VCA1 Embedded CPU 5 IC693CSE313H Embedded CPU 5 IC693CPU323LTV Embedded CPU 10 IC693CPU323V Embedded CPU 10 IC693CSE323H Embedded CPU 10 2 Important Product Information GFK-1948B IC693ACC301 Battery Installation Notes This long-life lithium battery is used to maintain CPU RAM memory when input power to the IC693 PLC power supply is off. To gain a ccess to the battery, remove the battery cover plate located at the bottom of the power supply faceplate. The battery is mounted in a plastic clip molded to the back of the battery cover plate. The battery comes pre-wired with a small female Berg connector that plugs into the male Berg connector on the power supply printed circuit board (see following figure). For more information about this battery and other related topics, refer to the IC693 Installation and Hardware Manual. a43833A BATTERY CONNECTOR LITHIUM BACK-UP BATTERY BATTERY COVER PLATE New Installations For new installations, we recommend you install the memory backup battery in the power supply before installing the power supply in the CPU baseplate. Replacing the Battery in Existing Installations The battery can be replaced, if caution is used, while power is applied to the PLC (IMPORTANT: Read the Warning below). Warning Lethal voltages may be present in the equipment enclosure. Work performed on the PLC with power applied must be done only by qualified, trained electrical personnel who know and follow applicable electrical safety standards and practices. Failure to heed this warning could result in personal injury or death. If the Low Battery Warning light (the BATT LED on the power supply) comes on, replace the battery in the power supply before removing power from the PLC. Otherwise, there is a possibility that data in RAM memory will be corrupted or the application program will be cleared from RAM memory.