Siemens 6ES7155-6AA01-0BN0 - Maintenance Events

Interrupts, diagnostics, error, and system messages
5.3 Alarms
IM 155-6 PN ST interface module (6ES7155-6AU01-0BN0)
32 Equipment Manual, 10/2020, A5E03576904-AE
Reading the diagnostics
Table 5- 6 Reading the diagnostics with STEP 7
Automation system with
IO controller
Application See...
SIMATIC S7
Diagnostics as plain text in STEP 7
using Online and Diagnostics view
STEP 7 online help
• as of STEP 7 V12 function man-
ual PROFINET with STEP 7 V13
(
http://support.automation.sie
mens.com/WW/view/en/499488
56)
• as of STEP 7 V5.5 system man-
ual PROFINET System Descrip-
tion
(
http://support.automation.sie
mens.com/WW/view/en/192921
27)
Instruction "RDREC" (SFB 52)
Read data records from the IO
device
Instruction "RALRM" (SFB 54)
Receive interrupts from the IO
device
Additional information on the data records for PROFINET IO
The structure of the diagnostic data records and programming examples are available in the
programming manual From PROFIBUS DP to PROFINET IO
(http://support.automation.siemens.com/WW/view/en/19289930
) and in Example application
(http://support.automation.siemens.com/WW/view/en/24000238).
Causes of error and troubleshooting
The causes of error and remedies for the diagnostics alarms are described in the Product
Manuals for I/O modules
(http://support.automation.siemens.com/WW/view/en/55679691/133300
) in the section,
"Interrupts/diagnostics alarms".
See also
Channel diagnostics (Page 33)
5.3.2 Maintenance events
Triggering of a maintenance event
The PROFINET IO interfaces of the interface module support the diagnostic concept and
maintenance concept in PROFINET IO according to the IEC 61158-6-10 standard. The goal is
to detect and remove potential problems as soon as possible.
For the interface module, maintenance events signal to the user when a network component
must be checked or replaced.