Communications services
3.7 SNMP
Communication
Function Manual, 05/2021, A5E03735815-AJ
105
3.7.2
Example: Disabling SNMP for a CPU 1516-3 PN/DP
Task
As the security guidelines in your network do not allow SNMP, you want to disable SNMP for
a CPU 1516-3 PN/DP.
Requirements
•
CPU 1516-3 PN/DP with firmware version V2.0
•
STEP 7 as of V14
Solution
First, create a data block that contains the structure of data record B071
H
. The figure below
shows the data block "Deactivate SNMP". The data block "Deactivate SNMP" contains the data
record B071
H
as well as additional tags that you use to transfer the data record. The tag
"snmp_deactivate" is used to trigger the job for WRREC. Place this tag in the retentive memory
area so that the value is also available in the startup OB (OB100).
Figure 3-36 Example: Data block for disabling SNMP
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