Siemens S5-100U User Manual page 77

Start-up and Program Tests
Loading the Program Manually
Manual loading copies the program from a memory submodule into the program memory of the
CPU. If a back-up battery is installed, any program in the memory is completely erased.
You can only load valid blocks. See section 7.5.2.
Figure 4-3 shows how a program can be loaded manually.
Turn off the S5-100U.
Plug memory sub-
module into the CPU.
Press <COPY> key
and hold it down.
Turn on the S5-100U.
Red LED flickers; release
<COPY> key.
Program is
loaded
Red LED shows
steady light;
program is in the
S5-100U.
The CPU 102 is
in Test Mode
Figure 4-3. Procedure for Loading the Program Manually
4-6
Error
Red LED flashes.
Release <COPY>
key.
Red LED
lights.
No valid program
is in submodule.
Red LED
flashes.
Perform error
diagnostics
(see section 5.1).
EWA 4NEB 812 6120-02
S5-100U