Operation; Condition Of Use; Configuration Of Device For Usage In Safety Application; Change Of Operation Mode - KROHNE OPTIFLUX 400 Series Supplementary Instructions Manual

OPERATION

3

3.1 Condition of use

The device must be a SIL variant to operate in SIL mode to perform the safety function.
INFORMATION!
Only properly trained and authorised personnel shall change device settings. Keep a report of
changes to the device settings. These reports must include the date, the menu item, the old
setting and the new setting.
The configuration is protected by a password. For more data on password protection and device
configuration refer to Switch to non-SIL operation on page 15.

3.2 Configuration of device for usage in safety application

Safety relevant parameters are write-locked and cannot be changed during safe operation.
Parameters which are not safety relevant can be changed in safe operation.

3.2.1 Change of operation mode


Non-SIL
operation
 Set safety mode
State
Non-SIL operation
Safe configuration
Safe operation
Table 3-1: Description of safety states
1 Icon shown at the local display or DTM.
14
Set safety mode
to SIL mode 

to non-SIL mode
and confirm
Icon 1
-
Verify safe
 parameters and
confirm
Safe
configuration
 Unlock device
Description
Device can be used in non-SIL
application and all
parameters can be changed.
Device can be configured for
safe operation or device can
be switched to non-SIL mode.
Device performs the safe
measurement according to its
configuration and all safety
relevant parameters are
locked.
www.krohne.com
OPTIFLUX X400

Safe operation

Safe current output
Measurement signal or
failure signal
Failure signal
Measurement signal or
failure signal
11/2021 - 4008790001 - AD OPTIFLUXx400 SIL R01 en