COMMISSIONING
214 Service Manual Part No.: 4417340 Revision 1
954 SmartServo FlexLine
The following safety categories are monitored continuously to determine
whether a safe state should be activated, in the order listed, at a rate of
at least once per second.
Monitored Safety Categories
Contact and analog output physical health
Physical module health
Contact and analog output functional health
Product level health
Product level overfill or underfill
Errors
7.3.13.1 Safety Function Status
The Safety Function Status define possible reasons for activation of the
safe state for each output. Each is a condition monitored as part of the
safety categories outlined in section 7.3.12.1, above.
When the condition causing activation is no longer present, the output
may be configured to remain in the safe state (latched) until power is
cycled or a reset is initiated. This latching behavior can be enabled or
disabled for each of the possible reasons for activation.
The safe state of the analog output can be configured to be a high or
low burnout current level. High or low burnout action can also be
assigned for each of the possible reasons for activation of a safe state.
Board and function failures are hardware failures which are considered
to impact the integrity of the analog output current level. To assure a
safe state will always be signalled, these failures always result in a
latched burnout current level of 0 mA.
The safety function status error codes, user actions, and the default
latching behaviour and burnout action for each are defined below:
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