5 Startup of the device
28
5.3 Extra code SIL
For a device with extra code 058, SIL operation is activated per default and shown in the display at the top left.
The following specifications apply in SIL operation:
1.) Only the following sensor types can be set at the analog input:
Double thermocouple, RTD temperature probe or 4 to 20 mA
2.) Only the signal type 4 to 20 mA can be set at the analog output,
simulation cannot be activated and only high or low can be selected as an error signal, not any value.
3.) The following changes during operation:
Double confirmation for safety relevant parameters is active.
4.) Diagnostics:
No check of analog output, safe state during setup transmission, temperature range of terminal is monitored, device enters
safe state when leaving the range.
5.) Display:
Display of SIL in top left corner
6.) The membrane keyboard on a
device with extra code 058 is yellow:
Important information
It is possible to deactivate this extra code in the setup program:
v Chapter 10.6 "Switch on / switch off SIL extra code"
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