Configuring Security And Simulation - Emerson Rosemount 2051 Reference Manual

Electrical Installation
February 2024
7. Re-attach power and return loop to automatic control.
4.3

Configuring security and simulation

The Rosemount 2051 has four security methods:
• Security switch
• HART lock
• Configuration buttons lock
• Local operator interface (LOI) password
Figure 4-2: 4–20 mA electronics board
Without LCD display
A. Alarm
B. Security
Note
1-5 Vdc alarm and security switches are located in the same location as 4-20 mA output
boards.
4.3.1 Set Security switch
Use the Security switch to prevent changes to the transmitter configuration data.
If the Security switch is set to the locked ( ) location, the transmitter will reject any
transmitter configuration requests sent via HART
local configuration buttons, and the transmitter configuration data will not be modified.
Reference
68
WARNING
Emerson recommends tightening the cover until there is no gap between the cover
and housing to comply with explosion-proof requirements.
Figure 4-2 for the location of the security switch. To enable the Security switch:
With LCD display
, the local operator interface (LOI), or
®
Reference Manual
00809-0100-4107
Rosemount 2051