Yaesu GS-232B User manual
GS-232B
Computer Control Interface for
Antenna Rotators
YAESU MUSEN CO., LTD.
Tennozu Parkside Building
2-5-8 Higashi-Shinagawa, Shinagawa-ku, Tokyo 140-0002 Japan
YAESU USA
6125 Phyllis Drive, Cypress, CA 90630, U.S.A.
YAESU UK
Unit 12, Sun Valley Business Park, Winnall Close
Winchester, Hampshire, SO23 0LB, U.K.
1
GS-232B Computer Control Interface
for Yaesu Antenna Rotators
The GS-232B provide digital control of most models of
Yaesu antenna rotatorsfrom the serial port of an external
personal computer.
The GS-232B contains its own microprocessor with a
l0-bit analog-to-digital (A-D) converter and EEPROM.
The async serial line can be configured for serial data
rates from 1200 to 9600 baud. The GS-232B has a DB-9
“male” connector for connection to the (RS-232C) COM
port of your computer. Purchase or construct a “straight”
type serial cable, ensuring it has the correct gender and
number of pins for connection to your system.
Firmware on the GS-232B supports either direct key-
board control, or commands from programs written spe-
cically to support it (software is not supplied by Yaesu).
In addition to reading and setting antenna angle and ro-
tation speed, the firmware includes clocked positioning
General Description
routines to automatically step the antenna through up to
3800 angles at programmable intervals, such as for track-
ing band openings or satellites (with an elevation rotator).
Please read this manual carefully to install the GS-232B.
If also installing a G-400, G-500A or G-550 with the
GX-500 Automatic Control Adapter, follow the proce-
dures in the GX-500 manual before installing the GS-
232B.
G-800DXA/G-1000DXA/G-2800DXA Azimuth Rotator,
G-800DXC/G-1000DXC/G-2800DXC Azimuth Rotator,
G-400 Azimuth Rotator,
G-500A/G-550 Elevation Rotator,
G-5400B/G-5600B/G-5500 Az-ElRotator, and
above Azimuth and Elevation rotator combination.
G-400 Azimuth Rotator and G-500A/G-550 Elevation Ro-
tator requires one GX-500 Automatic Control Adapter each.
2
General
Power Requirements: DC 12 V, 70 mA
Case Size: 4.3” (W) x 0.8” (H) x 5.4” (D)
(110 x 21 x 138 mm)
Weight (approx.): 13.4 oz. (380 g)
Operating Temperature: +32 °F to +122 °F
(0 °C to +50 °C)
Semiconductors
Microprocessor: PIC18C452
(includes 10 bits A/D converter)
EEPROM: 24LC256
Serial Comms: RS-232C voltage levels,
1200 to 9600 baud, 8 data bits,
1 stop bit, no parity
Overow Cont.: Hardware Control (CTS port)
symbols placeD onthe equipment
“ON” power
Stand-by
Direct current
specifications
connector pinouts
Serial I/O:
9-pin DB-9 connector (RS-232C connector)
Pin 2 - Tx Data
Pin 3 - Rx Data
Pin 5 - Signal Ground
Pin 7 - RTS
Pin 8 - CTS
Rotator Control:
5-pin connector (EL connector)
Pin 1 - UP switch (open collector)
Pin 2 - DOWN switch (open collector)
Pin 3 - analog output (0.5 - 4.5 V, four steps)
Pin 4 - analog input (0-5V elevation)
Pin 5 - analog ground
5-pin connector (AZ connector)
Pin 1 - RIGHT switch (open collector)
Pin 2 - LEFT switch (open collector)
Pin 3 - analog output (0.5 - 4.5 V, four steps)
Pin 4 - analog input (0-5V azimuth)
Pin 5 - analog ground
3
supplieD accessories
Control cable for the Azimuth Rotator1..............1 pc
(“5-pin”
“Min-DIN” cable)
Control cable for the Az/ElRotator2...................1 pc
(“Dual 5-pin” “DIN” cable)
DC cable w/coaxial plug ........................................1 pc
Hook & loop fasteners (for mounting)...................1 pc
1: G-800DXA, G-1000DXA, G-2800DXA,
G-800DXC, G-1000DXC, and G-2800DXC
2: G-5400B, G-5600B, and G-5500
accessories & options
available options
C-1000 Connection Cable
(for
SDX series Azimuth Rotator)
PA-44B, PA-44C, PA-44U, PA-44H3AC Adapter
3:PA-44B: USA/EXP (Non European) Version
PA-44C: EU Version
PA-44U: UK Version
PA-44H: Australia Version
4
During installation, a personal computer with a serial port
and terminal software is required to calibrate trimmers on
the Controller and on the Control Interface. Any simple
interactive terminal program can be used - it only has to
transmit keystrokes as typed, and display characters re-
ceived from the GS-232B.
power & control connections
DXA or DXC Series Azimuth Rotator
Connect the supplied DC cable to a source of 12
VDC. The red lead connects to the Positive (+) DC
terminal, and the black lead connects to the Negative
(–) DC terminal. The GS-232B requires 70 mA. The
supplied cable has a 500-mA fast-blow fuse. Use only
the same type fuse for replacement.
Plug the coaxial power connector into the DC 12V
jack on the GS-232B rear panel.
Connect the supplied Control cable (“5-pin” “Mini-
DIN”) between the EXT CONTROL connector on
the rotator’s controller and AZ connector on the rear
panel of the GS-232B (Figure 1).
installation
To DC 12V Power Source
To Serial port of the computer
DXA or DXC series
Azimuth Rotator
Figure 1
5
installation
power & control connections
G-5400B/-5600B Az-elRotator
Connect the supplied DC cable to a source of 12
VDC. The red lead connects to the Positive (+) DC
terminal, and the black lead connects to the Negative
(–) DC terminal. The GS-232B requires 70 mA. The
supplied cable has a 500-mA fast-blow fuse. Use only
the same type fuse for replacement.
Plug the coaxial power connector into the DC 12V
jack on the GS-232B rear panel.
Connect the supplied Control cable (“Dual 5-pin”
“DIN”) between the rotator’s controller and GS-232B.
Be careful to match the “AZ” and “EL” labels on the
cable with the same labels on the rear panel of the
GS-232B (Figure 2).
G-400/G-500 or G-400/G-550 & pair of GX-500
Connect the supplied DC cable to a source of 12
VDC. The red lead connects to the Positive (+) DC
terminal, and the black lead connects to the Negative
(–) DC terminal. The GS-232B requires 70 mA. The
supplied cable has a 500-mA fast-blow fuse. Use only
the same type fuse for replacement.
Plug the coaxial power connector into the DC 12V
jack on the GS-232B rear panel.
Connect the 5-pin to 5-pin cable (supplied with the
GX-500; requires two sets) between the GX-500(s)
and GS-232B (Figure 3).
GX-500
Figure 3
To DC 12V Power Source
To Serial port of the computer
To Elevation
Controller
To Elevation
Rotator
To Azimuth Controller
To Azimuth Rotator
GX-500
Figure 2
To DC 12V Power Source
To Serial port
of the computer
G-5400B/-5600B
or G-5500
Az/ElRotator
6
SDX Series Azimuth Rotator
Prepare the optional C-1000 Connection Cable.
Remove the Top Cover from the controller.
Connect the 8-pin connector of the C-1000 Connec-
tion cable to the exposed 8-pin connector located the
rear left corner in the controller.
Route the 5-pin connector of the C-1000 Connection
cable through out the rubber grommet on the rear pan-
el of the controller, and connect it to the AZ connector
on the rear panel of the GS-232B (Figure 4).
Replace the Top Cover.
Connect the supplied DC cable to a source of 12
VDC. The red lead connects to the Positive (+) DC
terminal, and the black lead connects to the Negative
(–) DC terminal. The GS-232B requires 70 mA. The
supplied cable has a 500-mA fast-blow fuse. Use only
the same type fuse for replacement.
Plug the coaxial power connector into the DC 12V
jack on the GS-232B rear panel.
power & control connections
installation
To DC 12V Power Source
To Serial port of the computer
SDX series
Azimuth Rotator
Figure 4
Output Grommet for
C-1000 Connection Cable
Exposed 8-pin Connector
(Inside of the Controller)
Optional C-1000 Connection Cable
7
computer connection
installation
With the computer switched off, connect the DSUB-
9 pin Straight RS-232C cable to the serial port of your
computer, then connect the other end of the RS-232C
cable to the RS-232C connector on the rear panel of
the GS-232B.
Turn the computer’s power switch on, then turn the
GS-232B’s power switch on.
Within 15 seconds of swithing the GS-232B’s power,
press the [](EntEr) key several times to adjust the
GS-232B’s data baud rate to the Computer’s data
baud rate. If the computer is successul to setting the
data baud rate, the computer’s diaplay will show
“Connect OK.”
If you are using a G-400 Azimuth Rotator, or G-
5400B/G-5600B Az-ElRotator, press [P36][]
(P, 3, 6, and EntEr) on the computer keyboard to dis-
able the 450° rotation capability of the GS-232B. To
restore 450° rotation capability, press [P45][](P,
4, 5, and EntEr) on the computer keyboard.
8
DXa/DXc/sDX series azimuth rotator
Azimuth Offset Null
From the Controller panel, set the Rotator fully coun-
ter-clockwise (set to 0°).
Press
[O][](the letter “oh,” and “EntEr”) on the
computer keyboard to activate the azimuth calibration
routine. The computer display should show “are you
sure?”
Press
[Y][](“Y” and “EntEr”) on the computer
keyboard. The computer display should show “Com-
pleted,” and save the calibration data and exit the azi-
muth calibration routine.
Azimuth A-D Calibration
From the Controller panel, set the Rotator fully clock-
wise (to the right).
Press
[F][](“F” and “EntEr”) on the computer
keyboard to activate the Control Interface’s azimuth
A-D converter calibration routine. The computer’s dis-
play should show “AZ=aaa,” where “aaa” is a three-
digit number which indicates the azimuth heading in
degrees.
Adjust the OUT VOL ADJ potentiometer on Control-
ler rear panel so as to get a reading of “450” on the
computer’s display. This reading (“450 degrees”) cor-
responds to the actual beam heading you established
when you pointed the azimuth rotator to the East.
Press
[](“EntEr”) on the computer keyboard to exit
the azimuth A-D converter calibration routine.
calibration
If your controller’s indicator needle starts from a point other than 0° (North) (such as the default setting of the
USA version), align the starting point of the controller’s indicator needle to 0° (North) before calibration.
When nish the calibration, set the controller’s indicator needle to the desired point. Refer to the rotator’s user
manual for details regarding the indicator needle alignment.
Imprtant Note !
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2
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