NTI ENTERPRISE ENVIRONMENT MONITORING SYSTEM
53
Cycle Sensor Power
A “Cycle Sensor Power” button is also provided (see Figure 51) for each sensor connected to the “Digital In” terminals (locally-
connected Digital Inputs only). To momentarily disrupt power to any sensor connected to a Digital Input terminal, click on this
button. For example, when a smoke detector needs to be power-cycled in order to reset it. The 12VDC power will be disrupted
to the sensor for 5 seconds and then automatically restored.
Note: On E-5D and -2D, the “Cycle Sensor Power” will cause the “AUX PWR” terminals to cycle power. This will only
be effective for the sensor you are clicking the button for if that sensor is being powered from these terminals. If your
sensor is powered, for example, from an AC adapter, the “Cycle Sensor Power” button will have no effect on that sensor,
but it will still cycle power on the “AUX PWR” terminals, disrupting any device getting power from these terminals for 5
seconds. Keep this in mind if more than one sensor (or device) is being powered from these terminals.
To test your Digital Input configuration, click on "Configure" (Figure 51) for the sensor, and click on "Simulate Alert" (Figure 50).
Now g
o to the Summary Page. The Status for that sensor should now show it to be in "Alarm" (provided your Alert Delay, under
Alert Settings, is not set for too many seconds). If the Alert Delay is in play, you will have to wait for that time to expire before the
Status will change.
Add Tach Sensor
To add a Tach Sensor, make connections of the tachometer type sensor (ENVIROMU-WSS for example) to Digital Input 1 on the
rear of the ENVIROMUX. Then select “Add Tach Sensor on Digital Input 1” on the Sensors summary page (page 48). The
sensor configuration page with added settings for a custom sensor will appear. These settings are the same as those described
under “Specialized Sensors” on page 46. This special purpose of Digital Input 1 can be used by any device that produces a
frequency up to 255Hz.
Figure 53- Connection that supports Tachometer Sensor
Note: Digital Input 1 is the only terminal connection point that supports a tach sensor.
To remove a digital input sensor from the displayed list, click on “Delete” under the Action column in the Digital Input Sensor list.
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