Resetting The Cpu410-5H To Factory Settings; Table 9- 2 Cpu Properties In The Factory Settings - Siemens SIMATIC PCS 7 System Manual

Special functions of the CPU 410-5H

9.3 Resetting the CPU410-5H to factory settings

Note
Extended runtimes
The startup time of the CPU at power on, the loading time of blocks and the startup after a
system modification at runtime may be significantly prolonged.
To optimize additional time requirements, it is best practice to protect one large block instead
of many small blocks.
Additional information
For additional information, refer to "S7 block privacy" in the STEP 7 Online Help.
9.3 Resetting the CPU410-5H to factory settings
CPU factory settings
A general memory reset is performed when you reset the CPU to its factory settings and the
properties of the CPU are set to the following values:
Table 9- 2
Properties
Contents of the diagnostics buffer
IP parameters
SNMP parameters
Operating hours counter
Date and time
Procedure
Proceed as follows to reset a CPU to its factory settings:
1. Switch off the line voltage.
2. Switch on the line voltage while pressing and holding down the Reset button.
3. Wait until LED lamp image 1 from the subsequent overview is displayed. In this lamp
pattern, INTF flashes at 0.5 Hz. EXTF, BUSxF, MAINT, IFMxF, RUN, and STOP remain
unlit.
4. Wait until LED lamp image 2 from the subsequent overview is displayed. In this LED
pattern, INTF is lit. EXTF, BUSxF, MAINT, IFMxF, RUN, and STOP remain unlit.
5. The CPU performs a memory reset and the STOP LED flashes at 2 Hz.
132
CPU properties in the factory settings
Value
Empty
None
Default values
0 without battery backup
01.01.94, 00:00:00 without battery backup
CPU 410-5H Process Automation/CPU 410 SMART
System Manual, 09/2014, A5E32631667-AB