Emerson 3051S Especificaciones Pagina 14

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Reference Manual
00809-0100-4803, Rev DA
Section 2: Installation
April 2013
Installation
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:
1. Do not remove the transmitter covers in explosive atmospheres when the circuit is live.
If the transmitter is live, set the loop to manual and remove power.
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
preferred position by using a small screwdriver. See 2-1.
Figure 2-1. Switch configuration
4. Re-install the transmitter cover. Transmitter covers must be fully engaged so that metal
contacts metal in order to meet flameproof/explosion-proof requirements.
Configure alarm direction
The transmitter alarm direction is set by repositioning the alarm switch. Position the switch in
the HI position for fail high and in the LO position for fail low. See Alarm and Saturation” on
page 2-26 for more information on alarm and saturation levels.
2.4.2 Mounting considerations
For dimensional drawing information refer to “Specifications and Reference Data” on page 2-9.
Housing rotation
The housing can be rotated to improve field access to wiring or to better view the optional LCD
display. To rotate the housing, perform the following procedure:
1. Loosen the housing rotation set screw.
2. Turn the housing up to 180 degrees to the left or right of its original (as shipped)
position.
Security
Alarm
Feature
Board
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