Configuring Transmitter Security; Setting Security Switch - Emerson Rosemount 2051 Reference Manual

Reference Manual
00809-0100-4107, Rev BA
4.4

Configuring transmitter security

There are four security methods with the Rosemount 2051 transmitter.




Figure 4-2. 4-20 mA electronics board
A. Alarm
B. Security
Note
1-5 Vdc Alarm and Security switches are located in the same location as 4-20 mA output boards.
4.4.1

Setting 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 (
HART, LOI, or local configuration buttons will be rejected by the transmitter and the transmitter
configuration data will not be modified. Reference
switch. Follow the steps below to enable the security switch.
1.
2.
3.
4.
Electrical Installation
Security switch
HART Lock
Configuration Buttons lock
LOI password
Without LCD Meter
Set loop to manual and remove power.
Remove transmitter housing cover.
Use a small screwdriver to slide the switch to the lock (
Replace transmitter housing cover; cover must be fully engaged to comply with
explosion proof requirements.
Section 4: Electrical Installation
With LCD/LOI Display
A
B
), any transmitter configuration requests sent via
Figure 4-2 for the location of the security
April 2013
) position.
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