Siemens ET 200pro - Page 195

Alarm, error and system messages
9.1 PROFIBUS DP
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08
195
Reactions to a diagnostic alarm in DPV1 mode, depending on parameter settings
Actions initiated by diagnostic alarms:
● The diagnostics are reported as diagnostic interrupts.
● In DPV1 mode, diagnostic information is also reported when the CPU is in STOP mode.
● Once a diagnostic alarm is signaled it is
– Entered in the diagnostic frame as a diagnostic block (one interrupt only)
– Stored in the diagnostic buffer of the CPU
– Entered in the channel-specific diagnostic data
● The SF LED of the interface module and, if applicable, on the affected electronic module
is lit.
● OB 82 is called. If OB 82 is not available, the CPU goes to STOP.
● Acknowledgment of the diagnostic interrupt The enables a new interrupt.
Reactions to a diagnostic alarm in DPV0 mode, depending on parameter settings
The error is entered in the channel-specific diagnostic information in the diagnostic frame:
● The SF LED of the interface module and, if applicable, on the affected electronic module
is lit.
● There can be more than one diagnostic alarm at a given time.
See also
LED display on the IM 154-1 DP and IM 154-2 DP High Feature interface modules
(Page 189)