Loading The Program Manually - Siemens SIMATIC S5-90U System Manual

S5-90U/S5-95U
4.3.2 Loading the Program Manually (S5-95U)
Manual loading of the program is possible only in connection with the S5-95U.
When you manually load a program, it is copied from the memory submodule into the PLC's
program memory. If the back-up battery is installed, any program already in the memory is
completely erased.
Battery inserted but no
overall reset of PLC.*
Switch off S5-95U.
Insert memory submodule into
Press down and hold COPY
Switch on S5-95U.
Release COPY key.
Is red LED flashing?
Red LED is flickering while
program is being loaded.
Program loaded in PLC.
* This is not obligatory. If this condition is not fulfilled, however, the program is loaded automatically (see Section 4.3.1).
Figure 4-4. Procedure for Manually Loading a Program into the S5-95U
EWA 4NEB 812 6115-02b
PLC.
key.
Yes
Is red LED lit?
No
Yes
No
Start-Up and Program Tests
Battery inserted and
overall reset of PLC.
No valid program on memory
submodule.
Carry out error diagnostics
(see Chapter 5)
4-9