Loading The Program Into The Programmable Controller - Siemens S5-100U User Manual

S5-100U
4.3

Loading the Program into the Programmable Controller

You can load a program from a connected programmer (online operation). When you load a
program, it is transferred to the programmable controller's program memory. There are specific
instructions in your programmer manual for doing this.
You can also load your program from a memory submodule, but only valid blocks can be loaded.
See section 7.5.2. The different memory submodules you can use are listed in Appendix D.
Section 4.3 describes how you can load a program from a memory submodule.
Warning
You can connect or disconnect memory submodules only in the Power OFF mode.
Loading the Program Automatically
Automatic loading copies the program from a memory submodule into the program memory of the
CPU. You can only load valid blocks. See section 7.5.2.
Figure 4-2 shows how a program can be loaded automatically.
No battery is installed
(yellow LED lights).
Switch the S5-100U off.
Plug memory submodule
into the CPU.
Switch the S5-100U on.
CPU 100: red LED lights;
CPU 102/103: red LED flickers.
Program is loaded.
Program is in the
S5-100U.
The CPU 102 is in
the Normal Mode.
Figure 4-2. Procedure for Loading the Program Automatically
EWA 4NEB 812 6120-02
PLC overall reset
Error
Red LED flashes.
Perform error diagnostics
(see section 5.1).
Start-up and Program Tests
4-5