Program Card - Siemens S7-1200 System Manual
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Also See for S7-1200:
- Operating instructions manual (132 pages) ,
- Programming manualline (74 pages) ,
- Manual (46 pages)
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PLC concepts
4.5 Using a memory card
4.5.4
Program card
NOTICE
Electrostatic discharge can damage the memory card or the receptacle on the CPU.
Make contact with a grounded conductive pad and/or wear a grounded wrist strap when
you handle the memory card. Store the memory card in a conductive container.
Creating a program card
When used as a program card, the memory card is the external load memory of the CPU. If
you remove the program card, the internal load memory of the CPU is empty.
Note
If you insert a blank memory card into the CPU and perform a memory card evaluation by
either power cycling the CPU, performing a STOP to RUN transition, or performing a
memory reset (MRES), the program and force values in internal load memory of the CPU are
copied to the memory card. (The memory card is now a program card.) After the copy has
been completed, the program in internal load memory of the CPU is then erased. The CPU
then goes to the configured startup mode (RUN or STOP).
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Check that the memory card is not write-protected. Slide the protection
switch away from the "Lock" position.
Before you copy any program elements to the program card, delete any
previously saved programs from the memory card.
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
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