Siemens SIMATIC TI525 Hardware And Installation Manual page 71

EPROM/EEPROM OPERATION
4. When you are finished making copies of your program, go to step 5.
If you wish to copy the program to another EEPROM, power down the
PLC, replace the EEPROM with another, and power up again. Repeat
Step 3 to copy the program to this second EEPROM. This procedure can
be repeated to program several EEPROMs.
5. Check the program carefully, while the PLC is in the PROGRAM mode,
before allowing the PLC to control equipment connected to the I/O.
Do not place the PLC in RUN mode without
first
program.
unexpected operation by the PLC may result
in injury to personnel and/or damage to
equipment.
Any errors that occur during the copy process are listed on the programming
unit. Check the EPROM/EEPROM jumper pins and make certain that an
EEPROM, not an EPROM, is installed. Make certain that all IC pins are
properly seated in the socket.
If you continue to get copy errors, then the EEPROM may have failed. You must
power down, remove the EEPROM, and power up again to clear this error
condition.
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WARNING
verifying the EPROM/EEPROM
If the program
4-9
is incorrect,
Hardware and Installation User Manual