Temperature transmitter iTEMP TMT82 Use in safety instrumented systems
Endress+Hauser 21
5.2.3 Deactivating the SIL mode
There is only one way to deactivate the SIL mode. First switch off the transmitter's write
protection (if it is active).
The procedure for doing so is described in the associated Operating Instructions
BA01028T/09.
1.
A0053705
In the submenu Setup → Extended setup → SIL, start the Deactivate SIL wizard.
2.
A0053706
Enable the Deactivate SIL button again. This confirms the switch to the "normal
mode".
After an automatic restart, the device is in the non-safe mode (normal mode).
L
CAUTION
No safety function
‣
When the SIL mode is ended, diagnostics are disabled and the device can no longer
perform the safety function. Therefore, suitable measures must be taken to ensure that
no danger can arise while the SIL mode is disabled.
5.2.4 Device protection
The devices can be protected against external influences as follows:
• Hardware write protection (optionally via plug-in display)
• Software write protection
For detailed information regarding device write protection, see the Operating
Instructions → 8
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