RPR 100G - Raven Help
RPR 100G
Installation and Service Manual
SHEET 1 of 5
Congratulations on your purchase of the Raven RPR 100G GPS Receiver. This compact, all in one
unit, will provide you with the ability to log data and provide speed to your Raven controller. Setup
is fast and easy and can have you in the field within a half hour, in most cases. This simple document
will assist you in installing your 100G .
NOTE: This receiver should not be used for steering systems since it is only a 4 Hz receiver.
Installation Steps:
Unpack the components from your
box. Verify that you have the receiver
unit (P/N 063-0172-590 ) and the cable
(P/N 115-0171-350).
Attach the cable to the receiver.
Locate a metal surface on the vehicle that is toward the center and in clear view of the
sky. Place the receiver on that surface.
Connect the power and ground wires: red to +12 VDC and black to ground.
NOTE: Raven recommends attaching these directly to a battery to eliminate signal noise issues.
For safety purposes, an inline fuse is recommended.
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Make sure the vehicle has a clear view of the sky. Allow the RPR 100G about 15
minutes to acquire all of the satellite information.
Initial start-up
Both the internal GPS and WAAS receiver must perform a “cold start” the first time the system is
powered up. The GPS receiver will search the sky for satellites and download data necessary for
operation. The WAAS receiver will wait until the required almanac data is received. The cold start will
take up to 15 minutes but is only required during the initial power up. Connect the serial cable
provided between the RPR 100G and the computer and apply power. Turn off all unnecessary electrical equipment to minimize electrical noise interference. Upon completion of the initial “cold start,”
the receiver begins to operate in “normal mode.” The unit should be operating in full DGPS mode
within a few minutes of power up, after the almanac has been established during the cold start.
All configuration and WAAS data is stored in nonvolatile memory inside the RPR 100G . Configuration
changes are made with terminal emulation software.
NOTE: Be aware of possible satellite obstructions, which may interfere with GPS operation.
Plug in the receiver’s 9 pin connector to the data logging device. Note that you may
have to contact the vendor of your hardware for any specific cable needs to adapt to
the 9 pin RS232 connector. The settings for the data stream are GGA and VTG at 4 Hz
and a baud rate of 19,200 bps.
If using a Raven controller, attach the speed connector to the rear of the console,
program the console in SP2 and put in a SPEED CAL number of 785.
NOTE: If using a non-Raven controller, an adapter cable will be required.
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GPS is a line of sight system, which means in order for the receiver to track the satellite, there must
be unobstructed path directly to them. Buildings, trees, machinery, and human bodies are common
obstructions. When locating the antenna/receiver, find a place where the antenna will have an unobstructed view of the sky. Items such as electrical motors, generators, alternators, strobe lights, radio
transmitters, cellular phones, microwave dishes, radar, active antennas, etc., all generate electrical
and magnetic fields which can interfere with the GPS or WAAS signal. Mount the antenna/receiver
away from such potential sources of interference. The GPS can be de-tuned by close proximity to
other objects. For example, if you place the antenna under fiberglass, its performance could be
degraded. Usually, if the antenna/receiver is lowered so that at least a quarter of an inch gap is made
between the antenna/receiver and the covering plastic or fiberglass, acceptable performance can be
achieved. Metal or other dense materials will completely block the GPS signals.
The receivers can simulate a Doppler radar commonly used on agricultural equipment for detecting
speed. The GPS receiver is always calculating speed and can generate the signals, which can be
used by equipment requiring radar input. The receiver is normally configured at the factory for
radar output.
It should be noted that the GPS can only determine speed when it is navigating. If a tree
line blocks too many satellites or if for some other reason the receiver is unable to navigate, then the
radar output could become invalid. The receivers default settings are: GGA and VTG at 4 Hz and
a baud rate at 19,200 bps.
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Size: 140 mm H x 127 mm W x 53 mm D (5.5 in H x 5.0 in W x 2.1 in D)
Weight: Less than 34 g (12 oz)
Power consumption
Power requirements: 9-16 VDC
Power consumption: < 200 mA
7 pin, circular, RS232 serial ports
Operating Temperature: -40o to + 85o C (-40o to + 185o F)
Relative Humidity: 99% non-condensing
Altitude: 18,288 m (60,000 ft)
Maximum velocity: 1000 knots
Acceleration: 4 g
Integrated GPS WAAS receiver and antenna
Small and lightweight with rugged, waterproof enclosure
2 meter differential GPS accuracy
16 channel GPS, L1, C/A code
Superior weak signal tracking
Position solutions at 4 per second
Multiple mounting configurations
Free Software upgrades via Internet
Best technical support in the industry plus a 1 year warranty
EP455 Electrical Compliant with load dump protection
Radar (ARPA) speed output
16 parallel channels; tracks up to 12 GPS satellites and 4 WAAS
4 Hz position updates
Differential accuracy: 2.0 m (78 in) horizontal RMS
NMEA version 2.2 protocol: GGA, GLL, GSA, GSV, VTG, ZDA
Acquisition Time
Re-Acquisition: 100 ms
Cold start: 15 min
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