Product Name: Factory Price Programmable Logic Controller PLC Accessories (Programmable Relay Accessories for Intelligent Control ELC-Battery) Model NO.: ELC-Battery Material: Fr-ABS Customized: Non-Customized Condition: New Certification: RoHS, ISO: 9001, CE Function: Automatic Control Structure: Open-Loop Task: Program Inputs: None Outputs: None Trademark: RIEVTECH Transport Package: Standard Export Carton Specification: CE, RoHs, SGS Origin: Nanjing, China HS Code: 8537101190 Product Description Product Description:ELC-BATTERY: Battery for RTC backup to 3 years.It applies to all series RIEVTECH PLC.Note:1.When ELC-BATTERY was applied to ELC-12/EXM-12 series,it was been installed the porton the right side ofthe CPU,and when ELC-12/EXM-12 CPU work together with theExpansions modules,the ELC-BATTERYwill been installed the port on the right side of the Expansions module.2.When ELC-BATTERY was applied to PR-18/ELC-22/ELC-26 series PLC,it was been installedthe programmingport,so ELC-BATTERY cannot work with some modules at the same time,likeELC-MEMORY,ELC-RS232,PRO-RS485 (which need connect to the programming port).Product Photo: