52
Reference Manual
00809-0100-4840, Rev CB
February 2015
To change the selected Lost Echo action
1.
If entering the menu system from the PV display, press the green button
repeatedly
until the “AL” menu option is indicated (see the above note).
2.
Press the blue button
to enter the “AL” menu and display the selected action.
3.
If the selected action is correct, press the red button
and then the green button
to
get to the next menu option. Otherwise, continue with step (
).
4.
Press the blue button
to start the editing mode. The selected action flashes to
indicate it can now be edited.
5.
Press the green button
repeatedly to scroll through the list of actions (see above).
6.
Press the blue button
to confirm the new action. (The flashing stops).
7.
Press the red button
to save if the new action is correct, or press the blue button
to
not save. Afterwards, depending on the button pressed, either the “AL” menu or the
next menu appears.
4.4.15
Setting the relay
on
and
off
points (on the 3102)
The Rosemount 3102 has two integral signal relays. Both relays are the SPST (Single Pole, Single
Throw) type.
RL1 is factory-set to be a
control relay
. It may be set to energize at any value of PV, and
de-energize at any other value of PV. Setting the
on
and
off
points to a common PV will turn the
relay off. The
on
value may be greater or smaller than the
off
value, and vice-versa.
RL2 is factory-set to be a
fault relay
. In this mode, it de-energizes while there are Lost Echo (LE) or
fault conditions.
The mode of RL2 may be changed to control mode by entering
on
and
off
values (use RL1
instructions below). In control mode, RL2 ceases to be a fault relay until the
on
and
off
values are
reset to zero.
All relay set-point values must be entered in the units selected for the PV.
Note
This menu option is in the programming menu. See
for a map of
the menu structure and how to access the menu options
To change the
on
point for control relay RL1 (or RL2):
1.
If entering the menu system from the PV display, press the green button
repeatedly
until the “r1 on” (or “r2 on”) menu option is indicated (see the above note).
2.
Press the blue button
to enter the “r1 on” (or “r2 on“) menu and display the present
On PV value.
3.
If the On PV value is correct, press the red button
and then the green button
to get
to the next menu option. Otherwise, continue with step (
Summary of Contents for Rosemount 3101
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