How to upload Memory Card FEPROM to S7-300 315-2DP

joeyd11ph

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Aug 2009
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Hi Group,

Please correct me if Im wrong.

Memory Card FEPROM serves as LOAD MEMORY that contains configuration file and user progam.

Since this is Flash Eprom it should retain its data in the event of power off 24V without backup battery.

QUESTION IS:

If I do a MRES it should upload its content (configuration file and user progam)into the work memory. If this is correct according to SIEMENS manual how come my CP342-5 still exibit SF and STOP LED always "ON" after MRES.

By the way this problem occured only after replacing the dead backup battery.

My setup is:

S7-300 > CPU 315-2DP (6ES7 315-3Fx-0AB0)
PROFIBUS CP342-5 (3425DA02-0XE0)
ASi CP343-2 (343-2AH00-0XA0)
MEMORY CARD MC951/128KB/5V FLASH
(6ES7951-0KG00-0AA0)

PC > CP5613 DP BASE (6GK1561-3AA00)

SOFTWARE ARE:
SIMATIC NET INDUSTRIAL COMMUNICATION PC/WINDOWS 05/2000 S79220-A5406-F000-01
COMPROFIBUS V3.3
COML7 V2.12
OPC SERVER
SETTING PG/PC
WINCC V5.1 S79220-A6045-F000-01

Test Bench Network.jpg
 
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