AlfaRadio AlfaSpid Rotator and Controller Manuale utente
Copyright AlfaRadio Ltd 2002-2006 2006-01-09
www.alfaradio.ca 780.466.5779
AlfaSpid Rotator and Controller
Instruction Manual
AlfaSpid Rotator www.alfaradio.ca Page 2
Page 2 of 21 Alfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 780 466 5779
Introduction.........................................................................................3
Shipping Contents..............................................................................3
Technical Data ...................................................................................3
Control Panel......................................................................................4
Rear Panel .........................................................................................5
Installation..........................................................................................6
Wiring Connections......................................................................... 6
Bench Testing.................................................................................7
Resetting the Controller......................................................................8
Controller Operation...........................................................................9
Function Mode................................................................................9
Normal Operations Mode..............................................................10
Half Auto Mode.............................................................................10
Auto Mode ....................................................................................10
Preset Mode .................................................................................10
Setup Mode ..................................................................................11
Programable High Limit ................................................................11
Programmable Low Limit.............................................................. 12
Programmable Reset Value.......................................................... 12
Preset 1 - 6 ................................................................................... 12
Mouse Controller..............................................................................14
Trouble shouting and testing……………………………………………15
Using the AlfaSpid Rotator with LONG Cable Distances .................17
Warranty ………………………………………………………………….19
Notes................................................................................................20
This manual is for use with units sold by AlfaRadio Ltd. of
Edmonton, Alberta, Canada. Units sold by others may have
different firmware and may operate from different voltages.
Table of Contents
Page 3 of 21 www.alfaradio.ca AlfaSpid Rotator
Alfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8
The AlfaSpid rotator is an extra heavy-duty rotator designed to run
large communication antennas and comes complete with an
electronic control unit. The rotator is designed to be mounted pipe to
pipe or on an optional adaptor plate for conventional in tower
mounting. It can also be mounted outside of the tower on the mast,
or used in a side mount configuration.
Rotator................................................................................................ 1
Controller............................................................................................ 1
........................................................................................................... 1
GMA Fuses ........................................................................................ 2
Optional
Custom Mouse ................................................................................... 1
Input Voltage (Typical)...............................................12 – 24 Volts DC
Input Current (Nominal Draw).............................................3 – 4 Amps
Motor.........................................................................12 – 24 Volts DC
Fuse ...............................................................................8.0 Amp GMA
Rotation Speed......................................120 sec (12 V) / 60 sec (24 V)
Turning Torque (in-lbs).................................1400 (12 V) / 1740 (24 V)
Braking Torque (in-lbs)........................................................... > 14,000
Introduction
Shipping Contents
Technical Data
AlfaSpid Rotator www.alfaradio.ca Page 4
Page 4 of 21 Alfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 780 466 5779
Buttons
-Left (Decrease)
-Right (Increase)
-Setup
-Function
Indicators
-Overlap
-Not currently used
7 segment 4-digit display
- Multifunction display
Front PanelFront PanelFront PanelControl Panel
Page 5 of 21 www.alfaradio.ca AlfaSpid Rotator
Alfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8
-Fuse Holder
- Power Cord
- Power Switch
- Terminal Strip
-DB-9 connector (male)
-DB-9 connector (female)
Rear Panel
AlfaSpid Rotator www.alfaradio.ca Page 6
Page 6 of 21 Alfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 780 466 5779
Wiring Connections
The rotator unit must be wired to the
control unit with 4-wire cable. The
gauge of the 4-wire cable to connect the
control unit to the rotator depends upon
the distance between rotator and
controller. The wire for the impulse
sensing may be quite thin - #22 or similar, even for relatively long
distances.
Length Gauge Motor
10 m (32') #18 (1.19 mm)
30 m (100') #16 (1.42 mm)
60 m (200') #14 (1.75 mm)
Remove cover from the motor body as shown and make connections
as follows:
1 Motor Drive to 1 on controller terminal
2 Motor Drive to 2 on controller terminal
3 Impulse Sense to 3 on controller terminal
4 Impulse Sense to 4 on controller terminal
TIP:
Before final installation of
equipment, it is strongly
suggested you check out all
functions and connections on
a workbench.
CAUTION!:
Do not accidentally switch
the motor wires with the
impulse wires. Damage to
the control unit may occur!
Installation
Page 7 of 21 www.alfaradio.ca AlfaSpid Rotator
Alfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8
Bench Testing of Control Box
The control box is normally expected to be operated from a 12 Volt
DC supply; however it may be operated from other unregulated DC or
AC sources as well. DC or AC voltage levels between 10 and 26
Volts capable of at least 5 Amps are acceptable, typically 12 or 14
Volts.
The polarity of the power to the control box input leads is not critical
for D.C. operation; a diode rectifier on the input will provide the proper
polarity to the electronics and provide reverse polarity protection as
well as A.C. operation.
TIP: Because of several steering diodes in the motor path, the
voltage delivered to the motor (neglecting wire loss) will be about 1.4
volts less than the power supply voltage. For longer runs and/or
thin wiring a higher voltage (up to approx 24V) to the control unit is
beneficial. A simple way to estimate if the voltage to the motor is
adequate is by timing the rotation. Under no or a very small load, the
360 degree rotation time with 12V DC at the motor is about 120
second (2 minutes). With 24 V DC is about 60 second (1 minute). A
DC Ammeter in the motor lead is also useful, it should indicate
between 1 and 3 amps with a small load. On windy days or heavy
load, the current may fluctuate up to 3 to 5 amps.
Notes – testing and troubleshooting
Pressing should make the rotator move clockwise. Pressing
should make the rotator move counter-clockwise. If rotation is
reversed, switch lines 1 and 2 on the back of the controller.
Impulse sense lines (3 & 4) have no polarity concerns.
Part of the protection circuitry involves removing motor power if
the controller receives no sense indication. If the motor turns for
a few seconds and then you hear the relay in the control box drop
out, the motor has either stalled or there is a problem in the impulse
sense wiring.
It is highly recommended to ground the Control Box.
AlfaSpid Rotator www.alfaradio.ca Page 8
Page 8 of 21 Alfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 780 466 5779
Since there are no mechanical limits in the rotator, it may be installed
with the antenna pointing in any direction. There is no reason to
locate “TRUE NORTH” until you are ready to calibrate the control
box. Use the controller to position the antenna to physically point
north, then reset the controller as follows:
Turn the unit OFF. Then while holding the button depressed turn
control unit back on. This will now show on the display. The
controller is now set for North.
Display adjustment:
Press the button to cycle thru to the normal (i.e. blank) setting until
you see the display after P5 X, (X is the mode for computer interface)
It will be blinking. The display shows the normal degree reading i.e.
30 degrees, with the left or right arrows the display reading can be
changed with out turning the rotator in this mode, this feature can be
used if, for any reason, the direction of the antenna becomes
incorrect. This may be caused by antenna to mast slippage or
incorrect initial alignment. The Rotator to mast will not slip unless
there is improper installation. See Heading Adjust (numbers blinking)
else where in this document.
IMPORTANT:
The AlfaSpid rotator is now set at the counter-clockwise end of its
normal rotation range. Normal rotation range is in a clockwise
direction for 360 degrees.
From the reset position, you can rotate counter-clockwise an
additional 180 degrees in over-travel, as well 360 degrees clockwise,
plus an additional 180 degrees into clockwise over-travel.
Counter-clockwise over-travel is indicated by a steady dot above the
over-travel icon. Rotation past 359 degrees into the clockwise
over-travel is indicated by a blinking dot above the over-travel icon.
Resetting the Controller
Page 9 of 21 www.alfaradio.ca AlfaSpid Rotator
Alfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8
Technical Note:
You will need to leave sufficient coax length to accommodate the
additional 180 degrees of over-travel on each end of normal rotation.
Failure to do so can cause damage to your coax and/or antennas.
The AlfaSpid controller has multiple modes of operation. You will
need to become familiar with these modes to be able to make full use
of your rotator.
Function Mode
The button steps through the function menus. The leftmost
character on the display indicates the function mode you are
currently in.
- Normal Operations Mode
- Half Auto Mode
- Auto Mode
- Preset Mode
Controller Operation
The 0 in the
displays to the left will be
replaced by your actual
beam heading
AlfaSpid Rotator www.alfaradio.ca Page 10
Page 10 of 21 Alfa Radio Ltd. 11211 - 154 St. Edmonton, Alberta, Canada T5M 1X8 780 466 5779
- Normal Operations Mode
In Normal Operations Mode, the and buttons cause rotation
as long as the buttons are pressed. Pressing while in normal
operations mode will take you to setup mode.
- Half Auto Mode
In Half Auto Mode, the and buttons can be used to pre-select
the desired beam heading. The heading displayed on the
controller will rapidly change in the direction of desired rotation.
Once the desired beam heading is shown on the display, release
the key. Approximately ½ of a second after no key presses have
been detected, the display will revert back to the actual beam
heading, and rotation towards the desired heading will take place.
Pressing any key while in transit to the desired heading will cancel
the action.
- Auto Mode
In Auto Mode, the controller will respond to commands from
control software running on an attached computer. The and
buttons can still be used as a manual override.
- Preset Mode (requires optional mouse)
In Preset Mode, the and buttons cause rotation as long as
the buttons are pressed. With the optional mouse attached, the
six preset buttons can be used to select a desired beam heading.
Preset beam heading values are set in Setup Mode
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