Configuring Transmitter Security; Local Operator Interface (Loi) Password - Emerson Rosemount 3051P Reference Manual

Electrical installation
April 2020
4.4

Configuring transmitter security

The transmitter has four security methods.
• Security switch
• HART
• Configuration buttons lock
•

Local operator interface (LOI) password

Figure 4-2: 4–20 mA Electronics Board
Without LCD display meter
A. Alarm
B. Security
4.4.1 Set security switch
The security switch is used to prevent changes to the transmitter configuration data. If the
security switch is set to the locked location ( ), any transmitter configuration requests
sent via HART
rejected by the transmitter, and the transmitter configuration data will not be modified.
See Figure 4-2
security switch.
Procedure
1. Set loop to manual and remove power.
2. Remove transmitter housing cover.
3. Use a small screwdriver to slide the switch to the lock ( ) position.
4. Replace transmitter housing cover.
52
®
Lock
®
, local operator interface (LOI), or local configuration buttons will be
for the location of the security switch. Follow the steps below to enable the
With LCD display /LOI display
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Reference Manual
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