Emerson Rosemount 3490 Series Reference Manual page 94

Getting started
January 2021
Understanding the relay status icons on the display
The relay status icons on the Full PV display have the following meanings:
▸
Relay is energized
0 Relay is de-energized
A Alarm relay
S Sampler relay
T Totalizing relay
Related information
Set-up alarms
Reset the relay parameters
To reset all relay parameters to their factory defaults:
Prerequisites
Note
Setting the relays to their factory default state in this way does NOT reset any other
parameters to their default state.
Procedure
1. Navigate to SETUP → [CONTROLLER] → OUTPUT → RELAY → Reset RL param.
2. If you wish to proceed, press the red (enter) button once. (Otherwise, use the Esc
3. Press the Esc button to exit to the RELAY menu.
Set-up an on/off point control relay
Menu
Note
Relays are frozen while the control unit is in Program mode, preventing all relay
operations apart from Totalizer and Sampler relays.
Relay outputs 1 to 4 can be programmed to be an On/Off Point control relay.
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button to exit to the RELAY menu).
Wait until the Please wait... message disappears.
SETUP → [CONTROLLER] → OUTPUT → RELAY → RELAY 1, RELAY 2, etc.
Reference Manual
00809-0100-4841
Emerson.com/Rosemount