SYNERGY SYSTEMS G-SynQ User manual

10001507A 27NOV02

The user is referred at this point to the applicable Motorola

M12 ONCORE User’s Manual for details on operation of the

M12+ contained in the G-SynQ antenna.

Software—Windows based software to communicate with

the G-SynQ is available on the Synergy Systems website.

Motorola’s WinOncore12 program is a free download that

may be accessed from the home page. An evaluation copy

of Synergy’s SynTaC software is available from the Techni-

cal Support page of the website.

Support—If you have any problems at all, please do not

hesitate to contact Synergy’s technical support team, either

by the phone number on the front of this document, or by

email at: tech@synergy-gps.com

P.O. Box 262250 TEL: 858.566.0666

San Diego, CA 92196 FAX: 858.566.0768

Internet: http://www.synergy-gps.com

E-Mail: info@synergy-gps.com

G-SynQ Antenna Evaluation Kit

USER’S GUIDE

LIMITED WARRANTY

Synergy Systems, LLC warrants the G-SynQ Antenna

and Evaluation Kit Components against defects in mate-

rial and workmanship, under normal use and service, for

a period of one year from the product’s ship date from

Synergy Systems.

The M12+ GPS receiver contained in theG-SynQ Sensor

is trademarked and manufactured by Motorola, Inc.

(Motorola.)

Any returned product must be accompanied by a return

material authorization (RMA) number issued by Synergy

Systems. Deliver or send the product, transportation and

insurance prepaid, to:

Synergy Systems, LLC

9950 Scripps Lake Drive, Suite 106

San Diego, CA 92131 USA

TEL: (858) 566-0666

FAX:(858) 566-0768

GPS PERFORMANCE

The Global Positioning System (GPS) is operated and

supported by the U.S. Department of Defense and is

made available for civilian use solely at its discretion. The

GPS is subject to degradation of position and velocity

accuracies by the Department of Defense. Neither Syn-

ergy Systems nor Motorola warrant or control GPS avail-

ability or performance.

OPERATION

Operation of the G-SynQ Evaluation Kit is straight forward.

For operational details of the M12+ receiver contained in the

G-SynQ the user is referred to the M12 User’s Guide. Basic

connection details are as follows:

1 -The 2 meter serial cable is connected between the

Interface Assembly and the serial port on the host

computer.

2 -(Optional) The 2 meter 1PPS coax is connected

between the RCA jack on the back of the Interface

Assembly and whatever equipment is being used

to monitor the 1PPS pulse (oscilloscope, time inter

val analyzer, etc.)

3 -The 15 meter Interface cable is connected between

the G-SynQ antenna and the Interface Assembly.

The cable may be run in either direction, the

connectors on both ends are identical.

4 -The DC power plug is plugged into the Interface

Assembly, and then the power supply is plugged

into any convenient 110/240 VAC source. Note that

the power supply is supplied with four mains

connectors, allowing it to operate almost anywhere

in the world with the proper adapter installed.

As soon as power is applied, the PWR LED on the front

panel should illuminate. Also, the 1PPS LED will illuminate

for several seconds as the M12+ receiver goes through it’s

initialization routine. Once complete, the 1PPS LED will be-

gin flashing at a nominal 1 Hz rate. Note that this 1PPS out-

put is generated by the internal real time clock and will not

be accurate until the receiver has achieved a fix. It is, how-

ever, an indication that the system is hooked up properly

and that the receiver is going through its’ normal house-

keeping routines.

POWER/DATA INDICATORS

Behind the IR transparent front panel of the Interface As-

sembly are four LEDs which serve to alert the user to cur-

rent system status. The four LEDs are described briefly as

follows:

PWR -Illuminated whenever the internal +5V supply is

present.

TxD -Briefly flashes whenever data is being transmitted to

the host computer from the G-SynQ antenna.

RxD -Flashes whenever commands are sent from the

host to the G-SynQ.

NOTE: If this LED is illuminated continuously, the

serial link between the host computer and the

Interface Assembly is probably disconnected.

Check the cabling carefully.

1PPS -Flashes whenever the 1PPS pulse is transmitted by

the G-SynQ antenna.

NOTE: Timing versions of the M12+ receiver

support a 100 PPS output option. If the 100PPS

pulse option is selected by the user, this LED will

appear to be glowing constantly at decreased bright

ness as the eye cannot follow the 100PPS switch-

ing of the LED.

PRODUCT DESCRIPTION

The G-SynQ Evaluation Kit comprises all of the components

necessary for the system integrator to evaluate the perform-

ance of the Synergy Systems G-SynQ antenna. These

components include the G-SynQ antenna itself, an Interface

Electronics Assembly that supplies power to the antenna

and provides RS-232 to RS-422 level translation, a 15 meter

Interface Cable, DC power supply, and associated intercon-

nect cabling.

G-SynQINTERFACE ASSEMBLY

PHYSICAL CHARACTERISTICS

Size: 5.0” W x 5.3”L x 1.5”H

(127mm x 135mm x 38mm)

Weight: 6 oz (0.2 kg)

Housing: Cycolac

ELECTRICAL INTERFACE

Power: 2.1mm Coaxial DC

Data: DB-9F Connector

G-SynQ Antenna: Deutsch MMP26

1PPS Out: RCA Phono Jack

ENVIRONMENTAL CONDITIONS

Operating Temp: -20oC to +55oC

Storage Temp: -40oCto +65oC

Relative Humidity: 10% to 90%, non-

condensing

POWER REQUIREMENTS

+9 to +30VDC (250 mA max)

POWER/DATA INTERFACE

The G-SynQ Evaluation Kit is supplied with a wall-mounted

DC power supply and all required interconnect cables. The

power supply is rated at 12VDC (unregulated) and is suffi-

cient to power the antenna through up to approximately 75

meters of the type of cable supplied in the Evaluation Kit. If

longer cable lengths are utilized, the power supply voltage

may be increased up to a level of 30VDC to allow for the ex-

tra IR drop in the Interface Cable. The power connector on

the rear panel of the Interface Assembly is a standard

2.5mm coaxial DC power connector (center pin positive.)

In the event that the unit is accidentally shorted, a self-

resetting polymer fuse opens, protecting the Interface Elec-

tronics and G-SynQ antenna from possible damage. Once

activated, the fuse should be allowed to cool for several

minutes before power is reapplied.

SERIAL PORT -User interface with the G-SynQ antenna is

accomplished through the DB9 connector located on the

housing endplate. The serial port extension cable supplied

with the Evaluation Kit is used to connect the Interface As-

sembly to the host computer serial port. All communications

on this connector occur at nominal RS-232 levels. For refer-

ence, Interface Assembly connector pinouts are as follows:

Rear Panel View of the Interface Assembly Showing

Connector Placement.

PIN SIGNAL

Pin 1 1PPS (To Host)

Pin 2 TxD (Data To Host)

Pin 3 RxD (Data to G-SynQ)

Pin 5 Signal Common

1PPS -The 1PPS signal from the G-SynQ antenna is pre-

sent on the RCA phono jack located on the back panel of

the Interface Assembly. The Evaluation Kit is supplied with a

2meter long coaxial 1PPS monitoring cable terminated in a

standard RCA plug on one end, and a BNC plug on the

other. The 1PPS signal is internally buffered by an “ACT”

series CMOS inverter with a 27 ohm resistor in series with

the output lead. Due to the extremely fast rise time of the

pulse (10 nS) the BNC connector should be terminated into

50 ohms in order to minimize reflections in the cable.

The Evaluation Kit is normally supplied with the 1PPS out-

put as a positive going pulse. If desired by the user, the

1PPS pulse may be switched over to a negative going pulse

by removing the top of the Interface Assembly and moving

the jumper strip at position JP1 on the printed circuit board

to the alternate location.

Also, when calculating the offset of the 1PPS output, the

propagation delay through the CMOS buffers on the inter-

face PWA should be considered. A negative going 1PPS

will exhibit approximately a 6 nS delay (1 buffer section)

while a positive going pulse will exhibit a delay of approxi-

mately 12 nS (2 buffer sections.)

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