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Configuring the seahawk ld5100 as an analog input, Ld5100 – RLE Falcon EM User Manual

Page 127

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User Guide: Falcon FMS

FMS Accessories Wiring

www.rletech.com 970

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113

Configuring the SeaHawk LD5100 as an Analog Input:

The FMS averages/filters the analog inputs. Therefore, the alarm delay for RLE’s SeaHawk LD5100 input
must be set to a value equal to or greater than the averaging time set in the FMS. The LD5100 will output
4mA when there is no leak. The LD5100 will output a value between 4mA and 20mA when there is a water
leak. The low range (4mA) will always correspond to zero feet. The high range (20mA) will always
correspond to the LD5100’s set 4-20mA Max Range (1000, 2500, or 5000 feet).

P1

VDC

TB1

VDC

+ -

EXTERNAL

24VDC

+ +

Ch1

+ -

Ch2

+ -

Ch3

+ -

Ch4

+ -

TB2 Input 1-4

Ch5

+ -

Ch6

+ -

Ch7

+ -

TB3 Input 5-8

Ch8

+ -

EXTERNAL

GND

- -

TB4

NC NO C

RELAY 1

NC NO C

RELAY 2

LD5100

(Loop Powered)

TB6

+ -

LD5000

(Loop Powered)

TB3

+ -

Figure D-9: SeaHawk LD5100 / LD5000 Distance Read Water Leak Detection System (4-20mA)