Program Card - Siemens SIMATIC S7 System Manual

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97BPLC concepts

4.5 Using a memory card

To transfer the program to a CPU, follow these steps:

1. Insert the transfer card into the CPU (Page 100). If the CPU is in RUN, the CPU will go to

2. Power-cycle the CPU to evaluate the memory card. Alternative methods for rebooting the

3. After the rebooting and evaluating the memory card, the CPU copies the program to the

4. Reboot the CPU (either by restoring power or by the alternative methods for rebooting) to

The CPU then goes to the start-up mode (RUN or STOP) that you configured for the project.

You must remove the transfer card before setting the CPU to RUN mode.

Program card

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.

STOP mode. The maintenance (MAINT) LED flashes to indicate that the memory card

needs to be evaluated.

CPU are to perform either a STOP-to-RUN transition or a memory reset (MRES) from

internal load memory of the CPU.

The RUN/STOP LED alternately flashes green and yellow to indicate that the program is

being copied. When the RUN/STOP LED turns on (solid yellow) and the MAINT LED

flashes, the copy process has finished. You can then remove the memory card.

evaluate the new program that was transferred to internal load memory.

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, 11/2011, A5E02486680-05

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