Installation Procedures - Emerson Rosemount 3051S MultiVariable Reference Manual

Reference Manual
00809-0100-4803
shock, and to avoid external contact with corrosive materials. lists temperature operating
limits.
3.4

Installation procedures

3.4.1 Configure security (write protect)
About this task
Changes to the transmitter configuration data can be prevented with the security (write
protect) switch located on the feature board. See
Position the switch in the ON position to prevent accidental or deliberate change of
configuration data.
If the transmitter write protection switch is in the ON position, the transmitter will not
accept any "writes" to its memory. Configuration changes, such as digital trim and
reranging, cannot take place when the transmitter security is on.
To reposition the switches, follow the procedure described below:
Procedure
1. Do not remove the transmitter covers in explosive atmospheres when the circuit is
2. Remove the housing cover opposite the field terminal side of the housing.
3. To reposition the switches as desired, slide the security and alarm switches into the
4. Re-install the transmitter cover. Transmitter covers must be fully engaged so that
Emerson.com/Rosemount
live. If the transmitter is live, set the loop to manual and remove power.
preferred position using a small screwdriver. See
Figure 3-1: Switch Configuration
A. Feature board
B. Security
C. Alarm
metal contacts metal in order to meet flameproof/explosion-proof requirements.
Figure 3-1 for the location of the switch.
Figure
A
B C
Installation
October 2018
3-1.
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