OmniTrax sensor system details
Page 14 OmniTrax Product Guide
• a processor monitors one, or two, cable sets each up to 400 m (1312 ft.) long (max. 800 m)
• OC2 sensor cable includes 300 m (984 ft.) or 400 m of detecting cable, plus 20 m (65 ft.)
of lead-in (non-detecting) cable
• processor supports SC2 sensor cables for installations where shorter lengths of cable
(max. 200 m, 656 ft.) are required
• OmniTrax supports retrofit applications for Perimitrax installations, however, a preliminary
site visit is strongly recommended due to the age of the sensor cables
• lightning protection on sensor cables and all I/O, additional lightning protection available and
recommended for sensor cables and copper data lines
• alarm communication options
• relay output (standalone/Silver Network)
• via the sensor cables (Silver Network)
• EIA-422 (Silver Network)
• fiber optic - single mode and multi-mode (Silver Network)
• combinations of the different alarm communication options can be used
Sensor cable layout details
• minimum 16 m (52 ft.) sensor cable length for standalone processors (including 6 m, 20 ft. of
lead-in cable)
• minimum 75 m (246 ft.) sensor cable length, per processor, for cables that are connected
through decouplers (including 6 m, 20 ft. of lead-in cable per processor) 150 m (492 ft.) sensor
cable separation between connected processors
• up to 50 unique software defined segments per cable set, 100 per processor, segments are
used for display and control purposes
• up to 50 distinct software defined alarm zones per processor, each zone includes one or more
cable segments
• a zone can include multiple segments; zones can go around corners; skip over inactive
segments; include zones within zones; include segments from both the A-side and B-side
cable sets
• segments of detecting cable can be defined as inactive in software (will not report alarms)
• splice kits available for cable repair and bypasses
• standard burial depth in soil - 23 cm (9 in.)
• cable spacing ranges from 10 cm to 2.0 m (4 in. to 6.5 ft.)
• power and data communications carried over sensor cables (Silver Network)
System calibration
• UCM software simplifies calibration, and provides powerful maintenance and diagnostic tools
• UCM computer can connect directly to processor through the USB port, or remotely through
the Silver Network Manager
• a calibration walk down the centerline of the cable set creates a sensitivity profile for the entire
sensor cable (the sensitivity profile is stored in the processor)
the sensitivity profile tracks and records any variations in detection sensitivity resulting from
cable burial depth, cable spacing and soil conductivity
• the calibration walk determines the recommended transmitter power level for the selected
cable side
• the sensitivity profile enables a uniform cable margin (alarm threshold) for each meter of cable
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