Emerson Rosemount 5408 Reference Manual page 153

Reference Manual
00809-0100-4408
8.6.3 Set operational mode
The Rosemount 5408:SIS can be used as the level sensor in a BPCS or as a safety device in a
safety instrumented system.
If the Rosemount 5408:SIS is used as safety device in a Safety Instrumented System, then
the operational mode must be set to Safety (SIS). The Safety (SIS) operational mode can
be activated via the Guided Setup wizard, or as follows:
Use Rosemount Radar Master Plus
Procedure
1. Under Configure, select Device Setup → Security.
2. Under Operational Mode, select Change and follow the on-screen instructions.
Use AMS Device Manager and Field Communicator
Procedure
1. Select Configure → Manual Setup → Device Setup → Security.
2. Under Safety Instrumented Systems, select Change Operational Mode and follow the
8.6.4 Enable safety mode
If the transmitter is configured for use in Safety (SIS), then the Safety Mode must be
enabled for the transmitter to become operational. When Safety Mode is enabled, the
transmitter is write protected (with or without a password) to prevent unauthorized
changes.
Use Rosemount Radar Master Plus
Procedure
1. Under Configure, select Device Setup → Security.
2. Under Safety Mode, select Change and follow the on-screen instructions.
Use AMS Device Manager and Field Communicator
Procedure
1. Select Configure → Manual Setup → Device Setup → Security.
2. Under Safety Instrumented Systems, select Change Safety Mode and follow the on-
Rosemount 5408 and 5408:SIS Level Transmitters
on-screen instructions.
Note
When entering the Safety (SIS) operational mode, the analog output will be put into
alarm mode until the Safety Mode is enabled.
screen instructions.
Safety Instrumented Systems (SIS) requirements
February 2020
153