Name Value Internal value Internal value,
type
Default
On 1 BYTE Off
1
) With a faulty ID, the module reports a "parameter error" and does not perform cyclic process
data transmission.
2
) Counter operating modes
Ä
Chapter 1.6.1.2.9 “Fast counter” on page 349
Table 174: Table Error LED / Failsafe function
Setting Description
On Error LED (S-ERR) lights up at errors of all
error classes, Failsafe-mode off
Off by E4 Error LED (S-ERR) lights up at errors of error
classes E1, E2 and E3, Failsafe-mode off
Off by E3 Error LED (S-ERR) lights up at errors of error
classes E1 and E2, Failsafe-mode off
On + Failsafe Error LED (S-ERR) lights up at errors of all
error classes, Failsafe-mode on *)
Off by E4 + Failsafe Error LED (S-ERR) lights up at errors of error
classes E1, E2 and E3, Failsafe-mode on *)
Off by E3 + Failsafe Error LED (S-ERR) lights up at errors of error
classes E1 and E2, Failsafe-mode on *)
*) The parameter Behaviour DO at comm. error is only analyzed if the Failsafe-mode is ON.
IO-BUS reset after PROFINET reconnection controls the behavior of PROFINET CI modules in
relation to connected I/O modules (both safety and non-safety I/O modules).
● IO-BUS reset after PROFINET reconnection = “On” resets and, thus, re-parameterizes
all attached I/O modules. All internal I/O modules states are reset, including the related
diagnosis information.
Note that if the parameter is set to “On” then:
– The bumpless re-start of non-safety I/O modules will not be supported. It means, for
example, that non-safety output channels will go from fail-safe values to “0” values
during the re-connection and re-parameterization time and after that go to new output
values.
– Safety I/O modules will be re-parameterized and re-started as newly started modules,
which may not require their PROFIsafe reintegration, depending on safety CPU state, in
the safety application.
● IO-BUS reset after PROFINET reconnection = “Off” will not reset all attached I/O modules. It
will re-parameterize I/O modules only if parameter change is detected during the reconnec-
tion. All internal I/O modules states are not reset, including the related diagnosis informa-
tion.
Note that if the parameter is set to “Off” then:
– The bumpless re-start of non-safety I/O modules is supported (if no parameters are
changed). It means, for example, that non-safety output channels will not go from fail-
safe values to “0” values during the re-connection and re-parameterization time, but
directly from fail-safe values to new output values.
– Safety I/O modules will not be re-parameterized (if no parameters are changed). Thus,
they may continue their operation, which may require their PROFIsafe reintegration in
the safety application on the safety CPU, e.g., if PROFIsafe watchdog time for this
safety I/O module has expired. Any reintegration of such safety I/O modules will be
not only application specific but also PROFIsafe specific and depend on the safety I/O
handling in the safety application.
IO-BUS reset
after PROFINET
reconnection
Communication interface modules (S500) > PROFINET
2022/01/31 3ADR010278, 3, en_US 847
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