NTI ENTERPRISE ENVIRONMENT MONITORING SYSTEM
10
Digital In Terminals
To connect contact sensors without using RJ45 connectors, terminal blocks have been provided labeled "DIGITAL IN". Two
wire switch-only type sensors can be connected to the DIGITAL IN terminals as shown below. If the sensors require a 12V
power source to operate, additional 12V and ground terminals have been provided on each model, with restrictions as shown.
Connect each two-wire or four-wire contact sensor using 16-26 AWG wire.
FYI: The terminal block is removable for easy sensor wire attachment if needed.
Figure 6- DIGITAL IN Terminal Connections
Liquid Detection Sensors
Liquid Detection Sensors are available for simple connection to either the “Digital In” terminals (use model ENVIROMUX-LD) or
the “RJ45 Sensor” ports (use model ENVIROMUX-LDS).
Connect the two-wire cable (up to 1000 feet long) from a liquid detection sensor (ENVIROMUX-LD shown in Figure 7-upper
image) to a set of “DIGITAL IN” contacts.
For added range (up to 1000 more feet), use an ENVIROMUX-LDS (shown in Figure
7-lower image) and connect to an “RJ45 Sensor” port.
The twisted orange sensing cable should be placed flat on the surface (usually the floor) where liquid detection is desired. If tape
is required to hold the sensor in place, be sure to only apply tape to the ends, exposing as much of the sensor as possible. At
least 5/8" of the sensor must be exposed for it to function. (See Figure 7)
NOTE: If used, the ENVIROMUX-
EDR-SF\ENVIROMUX-EDR-SCR
Electric Strike should be
connected to DIGITAL IN
terminal 8 for power.
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