WiMo ACOM2000SW Manuale utente
1
Contents
1. GENERAL INFORMATION 3
1-2. Owner Assistance 3
1-3. Equipment Supplied and Options 3
1-4. Features 3
1-5. Safety onsiderations, Explicit Definitions 4
2. INSTALLATION 6
2-1. Unpacking and Initial Inspection 6
2-2. Place selection and mechanical mount 6
2-3. onnections 8
3. OPERATION 10
3-1. OPERATION IN THE A OM SYSTEM 10
3-2. USER SYSTEMS OPERATION 11
4. MAINTENANCE 11
4-1. The A OM2000SW Schematic Diagram 11
4-2. Troubleshooting 13
3
1. GENERAL INFORMATION
1-1. Introduction and Description
This manual explains the installation, operation and maintenance of the
A OM2000SW remote 10 way antenna switch.
The A OM2000SW is a remote 1 out of 10 antennas switch especially de-
signed for use with the A OM2000S automatic antenna selector and the
A OM2000A automatic HF linear amplifier. Nevertheless, the
A OM2000SW can be easily integrated in other automatic antenna systems
or manually controlled, too.
1-2. Owner Ass stance
If assistance is needed, you should contact your local dealer first. If you still
have an issue, you need to discuss with one of A OMs specialists. The
contact information is as follows: fax (+359 2) 920 96 56, e-mail
[email protected], acom@aster.net or by mail: blvd.Nikola Mushanov
151, 1330 Sofia, Bulgaria.
1-3. Equ pment Suppl ed and Opt ons
The A OM2000SW remote antenna switch plus a mating cable connector
for input control and power supply, 11 plastic protective caps, and this manual
are shipped in one cardboard carton. The automatic antenna selector
A OM2000S is a separably purchasable option. If you have purchased it,
the same carton will contain both units.
1-4. Features
* One out of 10 antennas, 50 Ohm, up to 60MHz frequency range.
* Up to 5kW continuous carrier: Teflon (PTFE) insulated connectors for
100% duty cycle (continuous) operation.
* Gold plated and bifurcated contacts for excellent reception, no contact -
derived cross - modulation phenomenon.
4
* Flat coaxial line construction for excellent VSWR and crosstalk isolation.
* Anti - hot switching self protection for reliable contact operation; moni-
tors RF incoming power and generates a ready to transmit output signal
for maximum operating flexibility.
* Only 0.15 seconds operating time.
* ontrol and power supply mate to the A OM2000S automatic antenna
selector which is directly compatible with the A OM2000A automatic HF
linear amplifier.
* ompatible with other automatic systems thanks to the simple 4 - bit
B D control code (positive or inverted, internally selectable).
* For manual control, only a simple B D - coding switch plus 27VD /150mA
unregulated power supply are enough.
* Grounds unused antennas during operation for excellent crosstalk isola-
tion; after switching off, all antennas are automatically grounded for maxi-
mum lightning safety.
* Easy to install: only 2 holes needed, mounting bracket included.
* Dust and rain protected (IP53), -30 to +60degs. operating.
1-5. Safety Cons derat ons, Expl c t Def n t ons
The A OM2000SW remote antenna switch is designed to meet interna-
tional safety standards. It is powered with safe voltage (27VD ) but it must
always be connected to a proper lightni ng protection grounding system for
safe operation.
This operating manual contains information, precautions, indications for cau-
tions and warnings which must be followed by the user to ensure safe op-
eration and to keep the A OM2000SW in safe operating condition.
PRECAUTIONS:
The EXPLI IT DEFINITIONS described below apply to this operating
5
manual:
W A R N I N G notes call attention to a procedure which, if not correctly
performed, could result in personal injury, fire hazard or electric shock.
C A U T I O N notes call attention to a procedure which, if not correctly
performed, could result in equipment damage, not only in the switch.
N O T E notes call attention to a procedure which, if not correctly performed,
could result in inconvenience only.
W A R N I N G HIGH VOLTAGE!
NEVER use the antenna sw tch f not connected
to a proper l ghtn ng protect on ground ng sys-
tem. NEVER TOUCH AN ANTENNA dur ng
transm ss on - th s may result n an electr c
shock or burn.
W A R N I N G
Do not undertake on your own repa rs or
changes n the construct on of the antenna
sw tch n order not to endanger your or others
health and l fe and not to damage the antenna
sw tch and the equ pment connected w th t,
not covered by warranty. The manufacturer s
not l able for anothers act ons and respons b l-
ty shall be assumed by the doer.
C A U T I O N
To avoid damage (not covered under warranty) read
the Installation - S.2 of this operating manual care-
fully. If you have any doubts about the installation,
operation or safety of the antenna switch, please
consult your dealer.
6
2. INSTALLATION
2-1. Unpack ng and In t al Inspect on
N O T E
Before you start any action on installing the antenna
switch, thoroughly read through this manual. First
carefully inspect the cardboard carton and its con-
tents for physical damage. If damage is noticed, no-
tify your dealer immediately. Delay may infringe
carriers warranty conditions. Keep all packing for
possible future transportation!
heck carefully the serial number of the antenna switch with the Table of
Individual Data (Table 2-1). If you find any discrepancies notify your dealer
immediately to have your warranty information corrected.
Serial Number: ...................
B D code: positive inverted
Table 2-1. Individual Data
2-2. Place select on and mechan cal mount
When selecting the mounting place have in mind the following consider-
ations:
* Keep the grounding length as short as practical.
* Minimize the coaxial cable length. Normally a place near the antennas area
(a bit longer common and control cables) would save length from multiple
antenna cables.
* Keep the highest frequency cables as short as possible even if for the
lower frequencies the cables become longer.
* The antenna switch design is suitable for outdoor mounting. Neverthe-
less, if you select (or make especially for it) a shady and dry place, the an-
tenna selector materials would age slowly, i.e. last longer.
7
* Two holes, 9mm diameter and 120mm distanced are available on the
mounting bracket to firm it to the mounting base - see Fig 2-1.
!
"
#$
%
&
'
COMMON
Made in Bulga ria
S/N
R
E
M
O
T
E
A
N
T
E
N
N
A
S
W
I
T
C
H
Fig. 2-1
8
* The principal operating position of the antenna selector is with the cover
up (connectors pointing down), but when it is indoor used any position is
OK.
2-3. Connect ons
onnections must be accomplished in the order described below, before
you apply power supply or control to the antenna switch.
a) First tighten the lightning protection grounding leads under either of the
two wing nuts of the antenna switch.
b) Preparation of input control cable.
A 6-wire shielded cable should be used for the input control. The needed
wire cross-section depends on the distance from the antenna switch to the
control unit (for instance A OM2000S automatic antenna selector) in your
station. You can determine cable specifications proportionally from the fol-
lowing table:
able lenght,
meters (feet)
maximum
wire cross-section,
mm² (AWG, SWG)
6x, minimum
wire diameter,
mm (inch/1000)
6x, minimum
10 (33) 0.04 (31, 34) 0.23 (9)
20 (65) 0.08 (28, 30) 0.32 (12)
50 (165) 0.2 (24, 25) 0.51 (20)
125 (400) 0.5 (20, 21) 0.81 (32)
250 (800) 1.0 (17, 18) 1.15 (45)
Before trimming and soldering the first cable end, thread all connector ac-
cessories on the cable end in the following order:
- the hollow nut (oriented with the smaller diameter to the cable end),
- the first of the two washers,
- the plastic ring,
- the second washer.
9
Solder all 6 wires to contacts 1, 2, and 4 through 7. Solder the shield to
contact nr.3:
A OM2000SW
P 7 - female
soldering view:
1
2
3
4
5
6
7
shield
Now you can assembly the connector accessories. Tighten the plastic ring
of the 7-contact connector firmly in order to protect it hermetically.
When you use the A OM2000S automatic antenna selector, before trim-
ming and soldering the second cable end, thread the hollow nut of the 8
contact connector oriented with the smaller diameter to the cable end.
Solder all 6 wires and the shield to mate directly by numbers to the 8 -
contact connector for the selector side as follows:
A OM2000S
N 514 - female
soldering view:
1
2
3
4
5
6
8 not connected
shield
7
When not A OM2000S but another control unit is used, the following in-
formation may be needed to prepare the input control cable:
10
ontact: Signal name: Functional description:
nr. 1 +27V Power supply input, 150mA maximum
nr. 2 RDY Output: high when ready to transmit
nr. 3 GND ommon ground, shield
nr. 4 *A1 Input: B D bit 0; low when A0 selected
nr. 5 *A2 Input: B D bit 1; low when A2 selected
nr. 6 *A4 Input: B D bit 2; low when A4 selected
nr. 7 *A8 Input: B D bit 3; low when A8 selected
See S.4-1a and fig. 4-1for details on how the input and output signals are to
be used.
N O T E
When the ode Levels selector is in pos.1", all low
levels become high and vice versa.
c) onnect the common coaxial cable to the OMMON connector and
then all antenna cables to the respective antenna connectors. Make a list of
antenna number destinations. Place the plastic protection caps onto all free
antenna connectors and keep the rest for possible connection changes and/
or shipment.
d) onnect the control cable the last.
3. OPERATION
After following all instructions in S.2, you can power on the antenna switch
and control it through the control cable.
3-1. OPERATION IN THE ACOM SYSTEM
Operation using the A OM2000S antenna selector, the A OM2000A HF
linear amplifier, and/or the A OM DOS application for P is automatic. No
operator intervention is needed to change antennas.
Anyway, you may still change antennas manually from the selector
UP/DOWN buttons or amplifiers R U as well.
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