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Net Safety Monitoring Inc.
MLP-A/AR/AD-ST1400-25 15
RELAY OPTIONS
Use to set the alarm level, coil status and latch status for the Low and High
relays (Fault Alarm is fixed).
The following table describes the default settings for the sensor.
Table 4: Default Relay Settings
Setting Relay Options
There are two settings for Relay Options: Low and High. The Fault Relay is
fixed as Energized/Non-latching and cannot be changed. The low alarm level,
coil energization and latch status for low alarm are set first; high alarm level,
coil energization and latch status for high alarm are then set. All ranges are in 10
to 25%. Low Alarm levels and High Alarm levels will display if reached.
Step 1: When
Set Relay Options YES?
displays press the Calibration
Button or use the Reed Switch to select.
The flashing
YES confirms the selection.
Step 2: The message
Set Low
displays. Low alarm set-points are displayed
in increments of 1, beginning at 10 and cannot be set above 20.
Step 3: When the required level displays, press the Calibration Button or
use the Reed Switch to select.
The level chosen will flash to confirm the selection.
Step 4: The message
Coil Status
displays. The display then shows
Energized YES? and then De-Energized YES?
Step 5: Press the Calibration Button or use the Reed Switch to select.
The flashing
YES confirms the selection. If no selection is made, the
Coil Status option is repeated.
Step 6: The message
Latch Status
displays.Thedisplaythenshows
Latching YES? and then Non-Latching YES?
Step 7: Press the Calibration Button or use the Reed Switch to select.
The flashing
YES confirms the selection. If no selection is made, the
Latch Status option is repeated.
Step 8: The message
Set High displays.
The High Alarm level must be set between 21 and 25.TheHigh
Alarm level is displayed in increments of 1 beginning at the Low
Alarm set-point (as set in Step 3).
Step 9: Repeat Steps 4 through 7 to complete the High Alarm level, coil
and latch status settings.
Note: If no selection is made, a 5 minute timer expires, in which case the unit
returns to normal operation.
Millennium
Model Number
Alarm Levels
Relay Coil
Status
Low High Fault
Latching
Non Latching
Energized
De-energized
MLP-A/AR/AD-
ST1400
(25%range)
20% 22%
Energized
/Non-latching
**