GS-LDA-1
Water Leak Detection System
GS-LDA-1
Sensor Interface Module monitors up to 500 meters of GuardSen sensing cable (GS-LDC-1). When liquid is detected, the GS-LDA-1 unit indicates the leak with an LED and switches a relay to provide local voltage-free contact closure.
The GS-LDA-1 can be used as a standalone leak detection alarm unit or can also communicate to a host monitoring system such as PLC or Monitoring System by using standard RS-485 communications.
The low cost of the GS-LDA-1 makes it economical to build very robust systems with many small independent sensing cable segments. No field calibration is required.
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 | |
| 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 Non-Locating Module | 09/17/19 |
GS-LDA-1 Connection
GS-LDA-1 Physical Layout
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Linkwise Technology is a designer, manufacturer and leading provider of smart monitoring controllers applicable in the data center, server room, facility, and different other applications and industries. Linkwise provides a comprehensive solution to every monitoring, automation and control, leak detection, and wireless communication needs, while at the same time keeping it simple and user-accessible.
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