Operators Manual Model PT2000/H Series Gas Monitor Rev 2. January 2014
4.3 Configure Alarm Levels
Enter alarm levels for each sensor type. Three (3) distinct levels of alarms can be
configured for each channel type. In each column of alarm levels two numeric values
are entered. The first one is the alarm level and second is the designated relay
number. The Wireless Gateway inside the controller has 4 Relay Contacts. These 4
relay contacts are standard with the unit. However, additional relay modules can be
installed if more dry contacts are required. Therefore, you can select maximum of 4
relays with a standard PT2000 Controller.
Screen above shows that unit is Programmed for H2S , LEL Combustible and SO2 Type
Detector Alarms. Two (2) levels of alarm are configured, Low and High. (High-High is
not used in this case). To add another Gas Type Alarm simply press the button in the
Sensor Type Column until the desired Gas button is displayed and then set the alarm
levels. To remove any gas Type alarms, for example SO2 press the Sensor Type button
--- 6 Gas Type
Alarms can be configured.
The screen example above shows that for H2S type detectors Low and high alarm
levels are 10 ppm and 15 ppm with corresponding relays 1 and 4.
LEL type detectors have alarm levels of 20 and 40 with corresponding relays 2 and 4.
Similarly, SO2 type detectors have alarm levels of 10 and 20 with corresponding relays
3 and 4.
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