Commissioning
11.11 Identification and maintenance data
Distributed I/O system
System Manual, 09/2019, A5E03576849-AJ
227
Reading I&M data via the user program
You have the following options to read the modules' I&M data in the user program:
● Using the RDREC instruction
The record structure for distributed modules that are accessible via
PROFINET IO/PROFIBUS DP, is described in the chapter Record structure for I&M data
(Page 228).
● Using the Get_IM_Data instruction
Reference
The description of the instructions can be found in the STEP 7 online help.
Reading I&M data via STEP 7
Requirements: There must be an online connection to the CPU/interface module.
To read I&M data using STEP 7, follow these steps:
1. In the project tree, under "Distributed I/O" select the IO device IM 155-6 PN ST (for
example).
2. Select > IO device > Online & diagnostics > Identification & Maintenance.
Entering maintenance data via STEP 7
STEP 7 assigns a default module name. You can enter the following information:
● Plant designation (I&M1)
● Location identifier (I&M1)
● Installation date (I&M2)
● Additional information (I&M3)
To enter maintenance data via STEP 7, follow these steps:
1. In the device view of the STEP 7 hardware network editor, select the interface module, for
example.
2. In the properties under "General", select the "Identification & Maintenance" area and
enter the data.
During the loading of the hardware configuration, the I&M data is also loaded.
Procedure for reading I&M data via the Web server
The procedure is described in detail in the Web server
(http://support.automation.siemens.com/WW/view/en/59193560
) Function Manual.
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