2
0
2
0
-1
1
22
Operation and communication
7.1.2.1
Identification & Maintenance (I&M) Data
Identification and maintenance data (I&M data) is information stored in a device. I&M data
uniquely identifies a device within a plant. The identification data (I data) includes information
about the device, for example the item number and device name. Identification data cannot be
changed.
Maintenance data (M data) includes information about the device within the plant, for example
the installation location and installation date. Maintenance data is initially stored in the device
during installation. Maintenance data can be changed.
Accessing and Editing I&M Data
The Step7 software from Siemens can be used to display and change the I&M data.
1.
To do so, open the hardware configuration
HW Config
and call up the "Target system" menu.
2.
Open one of the following functions:
•
"Download module identification"
•
"Download module identification in PG"
Figure 7.1
3.
Depending on the requirement, read or edit the following I&M data:
•
I&M data 1: higher-level assignment, location designation
•
I&M data 2: installation date
•
I&M data 3: additional information