3-183.7 Memory backup battery3.7.1 Installation of memory backup battery(For FP-e unit with a calendar timer function)Although FP-e units with a calendar timer have a built-in lithium battery, a lithium battery connector is notconnected to an FP-e unit connector. Follow the procedure as shown below to connect them.1. Open the battery cover on the top of the FP-eunit.2. Connect the lithium battery connector to theFP-e unit connector.3. Place a lithium battery in the battery holder inthe FP-e unit.4. Close the battery cover.Note: A calendar timer is available only when a battery is installed.Install a new battery within a minute after removing the old battery.3.7.2 System register setting(For FP-e unit with a calendar timer function)- Setting the battery error alarmIn the system register default settings, “No.4 Alarm Battery Error” is set to “OFF.” When using the battery,set system register No. 4 of the control unit so that the battery error alarm is turned on.PLC Configuration setting dialog box- Setting procedure using FPWIN GR1. Select “PLC Configuration” on the “Option(O)” menu, and click on “Action on Error” tab.2. Turn on “No. 4 Alarm Battery Error” checkbox.- Specifying the hold areaIn order to use backup functions such as data registers, settings must be entered for system registersNos. 6 to 12.For hold area setting using FPWIN GR, select “PLC Configuration” on the “Option (O)” menu, and clickon “Hold/Non-hold.”Note: Be sure to install a lithium battery when changing the hold area with the system registeror using the calendar timer function.Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
