Emerson 3051S Specifications download pdf (Page 8)

May 2015

Quick Start Guide

Step 2: Consider housing rotation

To improve field access to wiring or to better view the optional LCD display:

1. Loosen the housing rotation set screw.

2. First rotate the housing clockwise to the desired location. If the desired

location cannot be achieved due to thread limit, rotate the housing counter

clockwise to the desired location (up to 360° from thread limit).

3. Retighten the housing rotation set screw up to 30 in-lbs.

Figure 5. Transmitter Housing Set Screw

A. Housing rotation set screw (

/32-in.)

Step 3: Set switches and jumpers

If alarm and security adjustment option is not installed, the transmitter will

operate normally with the default alarm condition alarm “high” and the security

“off”.

1. Do not remove the transmitter covers in explosive atmospheres when the

circuit is live. If the transmitters is live, set the loop to manual and remove

power.

2. Remove the electronics compartment cover. On the PlantWeb housing the

cover is opposite the field terminals side, or on the junction box housing

remove the terminal block cover. Do not remove the housing cover in

explosive environments.

3. On the PlantWeb housing, slide the security and alarm switches into the

preferred position by using a small screwdriver (An LCD display or an

adjustment module must be in place to activate the switches). On the junction

box housing pull the pins out and rotate 90° into desired position to set the

security and alarm.

4. Reinstall the housing cover so that metal contacts metal to meet

explosion-proof requirements.

PlantWeb Junction box

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Emerson 3051S Specifications Page 8