Design Features

  • LEDs to indicate power, leak, and communication status
  • Voltage-free contacts for alarm signaling
  • Standard twisted pair serial RS-485 communications up to 1200 meters (4000 feet) with Modbus protocol
  • 12Vdc power supply
  • Each GS-LDA-1 unit has a unique address assigned with software – no switches
  • Built-in buzzer (85dB)
  • DIN rail mounted for easy installation
  • Sensor sensitivity adjustable

General Features

Cable compatibility GuardSen Sensing Cable (GS-LDC-1)
Maximum length of sensing cable 500 m
Precision 0.5% of sensor length ± 0.5 m

Environmental Ratings

Storage temperature –18°C to 60°C (0°F to 140°F)
Operating temperature -20°C to 50°C
Humidity 5% to 90% non-condensing

Power Requirements

Voltage Operating 12Vdc +/- 10%, 2 W

Serial Interface

Network configuration RS-485 two wire network, 9600 baud, addressable from 1 to 127
Communication Protocol Modbus® 485

Relay Contacts

Type Form C (SPDT); Normally close (NC) or Normally open
Rating (NO) DC12V, 2A

GS-LDA-1 Connection

 

GS-LDA-1 Physical Layout