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1 leak trip point, 2 contamination trip point, 3 leak delay – RLE LD5100 User Manual

Page 37: 4 contamination delay, 5 re-alarm delay, 6 latching alarms, 7 supervised relays, 8 4-20ma max range, 9 feet / meters, Ssed; see 5.8.3, “leak

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5

LCD Interface

5.8.1 Leak Trip Point

The Leak Trip Point option allows users to modify the leak detection trip point for the LD5100.

This trip point helps the system avoid false alarm readings.

5.8.2 Contamination Trip Point

The Contamination Trip Point option allows users to modify the contamination trip point for

the LD5100. This trip point helps the system avoid false alarm readings.

5.8.3 Leak Delay

The Leak Delay is a timer that begins to count down when a leak alarm condition is met. This

timer delays the alarm from registering for a set amount of time. The timer can be set from 5 to

990 seconds.

5.8.4 Contamination Delay

The Contamination Delay is a timer that begins to count down when a leak alarm condition is

met. This timer delays the alarm from registering for a set amount of time. The timer can be set

from 5 to 990 seconds.

5.8.5 Re-Alarm Delay

The Re-Alarm Delay is a counter that, upon expiring, will re-annunciate the last silenced alarm

condition. This counter can be set from 0 (disable) to 24 hours.

5.8.6 Latching Alarms

The Latching Alarms option allows the alarm relays to be set as latching or non-latching. A

latched alarm requires a manual reset of the system once a leak or cable problem is no longer

present.

5.8.7 Supervised Relays

The Supervised Relays option allows users to configure the Leak and Fault relays to be

supervised or unsupervised. A supervised relay is normally activated and will deactivate upon

alarm or loss of power.

5.8.8 4-20MA Max Range

The 4-20mA Max Range allows the user to select the cable range for the 4-20mA output. This

value can be set to 1000, 2500, or 5000 feet (305m, 762m, and 1524m).

5.8.9 Feet / Meters

The Feet/Meters option designates whether the LD5100's distance readings are displayed in

feet or meters.