Lexicon 570 - Manual (Page 44)

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COMMAND>INP S
SET/CHECK INPUT SETTINGS
========= ===== ========
1 = Input #1
2 = Input #2
3 = Input #3
4 = Input #4
5 = Input #5
6 = Input #6
7 = Input #7
8 = Input #8
0 = Previous Menu
Choose a Number>1
Input #1
PRESENT SETTINGS
======= ========
01 = Label
02 = Sensor Type Temperature (°F)
03 = High Alarm Set Point 260
04 = Low Alarm Set Point -94
05 = Response Time 0 Sec.
06 = Output On Set Point 260
07 = Output Off Set Point -94
08 = Calibration Offset 0
09 = Data Logging Enabled
00 = Previous Menu
Choose a Number>2
AVAILABLE CHOICES
-----------------
1 = Temperature (°F)
2 = Temperature (°C)
3 = Dry Contact
4 = Pulse Totalizer
5 = Pulse Rate
6 = Linear
7 = Reserved-Custom A
8 = Reserved-Custom B
9 = 4 to 20mA
0 = Previous Menu
Choose a Number> 6
Alarm Set-Points
Each of the input channels can be given alarm set points.
Inputs configured with a temperature, pulse rate, custom, linear, or 4 to 20 mA sensor type can be given
high and low alarm set points. Inputs configured as pulse totalizers have only a high alarm set point.
Inputs configured as Dry contacts have only one alarm state.
If the input value falls below the low alarm set point or above the high alarm set point for a defined period
of time, the Messenger 570 system will recognize an alarm condition. In the case of a dry contact, if the
input state equals the configured alarm state then an alarm condition is triggered.