Overview
Model FGRCP by FreeWave Technologies is a board-level spread spectrum radio with inputs and outputs for monitoring and reporting operational values for cathodic protection on pipelines, tanks, pipe-to-soil test stations, rectifier stations, pipeline pressure stations, pigging stations, and underground facilities subject to environmental corrosion. It takes telemetry automation of cathodic protection systems to the next level with no recurring monthly charges.
The FGRCP board level radio is available in a preassembled LineMarker enclosure with solar power system, antennas and conduit mounting bracket.
Features
Multi-Purpose, All-in-One: Radio modem for monitoring rectifiers, pipe-to-soil test stations, pressure monitoring, and pigging operations with just one single device.
No Reoccurring Monthly Costs by owning your own communication network.
Enhanced Security: retains all data within company firewalls.
Easily Integrates: into existing radio networks leveraging existing investments in supervisory control and data acquisition systems using open extended Modbus network addressing.
Frequency Hopping Spread Spectrum: invented for Military use in WWII for Allied Forces.
High Speed Communications: 115.2 Kbps true throughput.
Long Range: up to 60 miles line of sight, ability to extend range through repeaters.
Error Free Communications: 32 bit CRC with automatic retransmission.
Industrial Grade Specifications: Every FGRCP is 100% factory tested for full range performance and temperature cycle tested from -40°C to +75°C.
Repeater Capabilities: Each FGRCP can perform as a Slave Radio, a Repeater and simultaneous Slave/Repeater.
Wide Supply Voltage Range: 10 to 30V DC.
Ultra Low Power Consumption: Current draw is less than 6 mA, 12V DC in sleep mode, and less than 86 mA in receiving mode. In sleep mode, radio will awaken, synchronize and be ready to transmit data is less than 150 µsec.
Separate Diagnostics Serial Port: Allows real time simultaneous local diagnostics and setup without tying up the FGRCP main communication port.
Separate RS232 Serial Port: Allows the FGRCP radio to simultaneously communicate to the I/O termination points and to auxiliary PLC’s, EFM’s, RTU’s, etc.
Enhanced Diagnostics: including signal level in dBm and transmit current.
RS232/RS485/RS422 Interface available with user programmability.
Noise Immunity: Robust communication performance in noisy, congested areas.
Secure: Proprietary spread spectrum technology and user programmable security features prevent detection or unauthorized access.
No Obsolescence: 100% backwards compatibility with all FreeWave 900 MHz products.
FGRCP Radio Specifications
|
Rectifier Output Monitoring |
Voltage 0-100V dc, Current 0-20A. |
|
Rectifier Status Monitoring |
Inlet power status monitoring, AC or DC. |
|
Rectifier Interruption |
12V dc, DO relay output, user selectable. |
|
Pipe-to-Soil Monitoring |
-2 to +3V dc |
|
Auxiliary Analog Input |
1 to 5V dc or 4-20 mA |
|
Integrated Solar Charging |
12V dc charging circuit and controller |
|
Frequency Range |
902 to 928 MHz |
|
Output Power |
100 mW to 1 Watt |
|
Range, Line of Sight: |
60 miles |
|
Modulation |
Spread spectrum GDSK |
|
Occupied Bandwidth |
230 kHz |
|
Spreading Method |
Frequency hopping |
|
Hopping Pattern |
15 per band, 105 total, user-selectable. |
|
Hopping Channels |
50 to 112, user-selectable |
|
Hopping Bands |
7, user-selectable |
|
Sensitivity |
-108 dBm for BER 1x10-6, -110 dBm for BER 1x10-4 |
|
Selectivity |
20 dB at fc ± 460 kHz (2nd IF) |
|
System Gain |
140 dB |
|
Error Detection |
32 bit CRC, Retransmit on error |
|
Data Encryption |
Substitution, Dynamic Key |
|
Data Interface |
RS232, RS485, RS422 or TTL |
|
Data Connector |
10-pin, locking ramp, header, data & power connector. |
|
Diagnostics Connector |
20-pin header connector |
|
Antenna Connector |
Board-Level Radio: SMA, threaded.
LineMarker Test Station: Antenna included. |
|
Power Requirements:
Transmit
Receive
Idle
Sleep |
At 12V dc:
500 mA
86 mA
21 mA
8 mA |
At 30V dc:
200 mA
12 mA
12 mA
3 mA |
|
Solar Autonomy |
LineMarker Test Station: fully loaded I/O, 18 days with 1.25 safety factor |
|
Electrical Classification |
Class 1, Division 2 (pending) |
|
Operating Temperature |
Range: -40°C to +75°C, fully tested |
|
Humidity |
0-95% non-condensing |
|
Dimensions |
Board-Level Radio: 5” x 3.5” x 2” (H x W x D).
LineMarker Test Station: 30” x 4” x 4” (H x W x D). |
|
Weight |
Board-Level Radio: 100 grams
LineMarker Test Station: 12 pounds |
|
Mounting |
Board-Level Radio: Standoffs available or FGRCP bracket mount.
LineMarker Test Station: 3" conduit riser pipe or 8x8 surface mount, flat adapter bracket. |
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