removable Battarey of S7-400H

Hello

could any body help me to know the order# of the removable Battrey of Siemens PLC S7-400H which is used as power supply to to download the program for Memory Card to PLC in case of complete shutdown of power in the PLC panel.

also i want to know if i can use simple battrey (1.5V) or it is spicial battrey?

if not .. what is the exact spec. of it ?


thanks in advance for your help

Hi,

here is a link to Siemens Battery information pages. You will have to use a special battery from Siemens.
https://support.automation.siemens....extranet=standard&viewreg=WW&load=treecontent
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