HydroLynx - Model 5400 - Satellite Data Transmitter
From Telemetry Equipment
HydroLynx offers our 5400 series Satellite Data Collection Units (DCU) as a solution for problematic terrestrial radio paths or as a redundant telemetry solution. A satellite radio transmits data via ORBCOMM, a real-time commercial satellite telemetry provider. The satellite data radio “pings” a low earth orbiting satellite when data is to be transmitted by the DCU. An error-free communication link is established between the remote site and the ORBCOMM ground station. Data is routed to a dedicated server maintained by ORBCOMM. The client’s NovaStar ALERT base station automatically pulls the data from the server via an Internet connection.
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Products Details
Data transmitted from a remote station normally arrives at the ALERT base station within one minute but on occasion may take up to ten minutes. This path provides data on a time scale that is not matched by the GOES satellites which often have latencies of one hour or more.
The Model 5400 Satellite DCU can be configured as a rainfall station or rainfall and water level station. Both fixed interval and event data reporting are supported. A programmable fixed reporting interval is configurable from 5 minutes to 24 hours. Rainfall accumulator, water level, and battery voltage are transmitted for all fixed interval or event reports.
Event reporting of precipitation is started whenever the bucket tips. A timer is started that transmits one minute rainfall accumulations every five minutes until the rainfall stops.
Water Level event reporting is initiated when the water level changes by an amount, programmable over the range from 0.1 to 2.0 feet. The sensor sample interval is programmable over the range from 5 minutes to 1 hour. Data from all sensors are included in the Event-Based Water Level transmission.
Slope and Offset variables are included in the field accessible configuration to convert raw water level sensors data into Engineering Units (feet, meters, etc).
Specifications
Environment
- Operating temperature: -40 to 65 °C
- Storage temperature: -60 to 75 °C
- Operating humidity: 0 to 100 %RH, non-condensing
Model 5400 Logic Board
- Memory size: 1 MB CMOS EPROM, 256 kB CMOS RAM,
- 768 kB battery backed
- Manual controls: Reset, Test, and Programming switch
- Diagnostic LEDS: Time set, Digital input event, TX-on
- Stand by current:
- Supply voltage: 10.5 to 18.5 Vdc
- (12.2 to 14.5 Vdc battery operated with radio)
- Serial port baud rate: 9600
- Transmitter baud rate: 9600
- CPU type: PIC18F252 (20MHz)
- Clock: Real-time clock
- Digital inputs: 2 digital up/down channels,
- up to 50 event triggers/second
- Analog inputs: 3 channels (1 external, 2 internal),
- 1 external analog channel (0-5 Vdc), 16-bit resolution,
- 1 internal channel for battery, 1 internal channel for temperature
- Analog supply voltages: Vbatt (12 Vdc nominal) non-switched,
- +12 Vdc non-switched, +5 Vdc non- switched,
- Vsw (12 Vdc nominal) switched, Vref (+5 Vdc) switched
- Serial inputs: 1 for displays and NMEA0183 and NMEA2000
- sensor interfaces
- RS232 inputs: 1 for programming and data downloading
Satellite Radio
- Manufacturer: ORBCOMM
- Modem: ST2500
- Transmit Frequency: 148 to 150.05 MHz
- Transmit Power: 5 Watts
- Receive Frequency: 137 to 138 MHz
- Dynamic Range: 40 dB minimum
- Sensitivit
- Minimum BER: E-5@ -118 dBm
- Typical BER: E-5@ -120 dBm
- Power Requirement
- External: 9 to 36 Vdc
- Battery: 8 or 12 Vdc
- Power
- Transmit: 2.5 A max. @ 12v; 2.0 A max. @ 15v
- Receive: 90 mA
- Power Save Receive: 60 mA
- Sleep: 50 µA typical, 100 µA maximum
- Position Accuracy GPS:
Physical
- Enclosure: Aluminum canister
- Size: 8 in. diameter x 23 in. high
- Weight: 19 lbs with battery
- Shipping weight: 12 lbs (battery shipped separately)
- Sensor inputs: Keyed MS male connectors
- 5400-541 Digital Precipitation Input
- 5400-901 Digital Precipitation Input,
- 1 Analog Water Level Input
- 5400N1 Digital Precipitation Input,
- 1 Analog Water Level Input
- Battery: 12 Vdc, 18 Amp-hour rechargeable gel cell
- External 12 Vdc connector: 3 pin MS male connector
- Antenna: BNC female bulkhead connector
- Serial console: DB9 female connector on board
Options
- 5400RS232:7 pin MS Male Bulkhead Connector
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