User's Manual

129
Document Number: 0100SM1401 Issue: 05-15
Part I – Installation & Commissioning
Part I – Installation & Commissioning
POWER SUPPLY REQUIREMENTS (QB450)
Operating Voltage:
11 to 30V DC (Dual Input)
Input Power (Rx typical): 35 Watts
Input Power (Tx typical): (See table below)
Introduction
All Q data radios need to be properly installed and
commissioned in order to function reliably. Installers should
be familiar with RF products / installations and are equipped
with appropriate tools necessary to help ensure the
ongoing reliability of a communications system.
This is a short form guide to assist with the correct
installation and commissioning of Q data radios and help
ensure that useful tests are made and recorded at each
site for future reference should an issue arise.
Installers should check that each Q data radio has been
programmed to suit their requirements before installation.
Installations play a role in network performance. The
installation should be performed in a professional
manner with careful consideration to the following items:
1. Adequate primary power cable - relative to the length
of cable to minimise voltage drop.
2. Shielded CAT-5 or CAT-6 Ethernet patch cable between
the Q data radio and any external Ethernet equipment.
3. Shielded RS-232 data cable between the Q data radio
and any external RS-232 equipment.
3. Low loss coax used for antenna feed line.
4. Careful termination of RF connectors.
5. A suitable antenna for the requirement.
6. Suitable placement of the antenna.
7. Adequate signal strength from the master radio.
TYPICAL INSTALLATION OVERVIEW
The following information should assist when installing
and commissioning a Q data radio Ethernet system.
DATA CONNECTION
In industrial environments connection to any external
device should be by shielded CAT-5 or CAT-6 patch
cable. A cables should be routed with strain relief.
MOUNTING
The radio modem should be mounted in a cool, dry, and
vibration free environment. Mounting of the unit should
be in a location providing easy access to mounting screws
and all connections. Q Data radios can operate within a
-40 to +70°C (-40 to 158°F) ambient environment.
COAX CABLE CONNECTION
Select the appropriate cable and connectors for each
application; selection can impact on the performance of
the system.
As an example, for each 3dB of cable and connector loss,
half the transmitter power is lost and twice the receiver signal
power is required to produce the same RF link performance.
In some installations where strong signals are present,
a compromise of cable and connector cost may be
acceptable.
All connector terminations should be performed as per the
manufacturer’s specifications; and if connectors are to be
used outside, use a sealant such as amalgamating tape to
seal connectors. Acetic cure silicon to seal the connectors
is not advised.
Coax cables should not be stressed by tight bends,
kinking or excessive flexing. Ensure that coax cables have
sufficient strain relief and are secure. If large-diameter
rigid or semi rigid cable is used, it is recommended to
use a short length of high quality RG223 cable between
the unit and main cable feed.
Connect and secure the Antenna, Ethernet and Serial plugs
BEFORE applying power to the unit. Lastly, before inserting
the power plug, re-check that the terminals being used,
polarity and voltage on the DC power plug is correct using a
multimeter and check the power cable against the +/- label
on the power input socket.
POWER SUPPLY REQUIREMENTS (QR450)
Rated Operating Voltage: 10 to 30V DC
Input Power (Rx typical): 5 Watts
Input Power (Tx typical): (See table below)
NOTICE
HAZARD OF EQUIPMENT DAMAGE
The radio modem can be damaged if there is any potential difference between the
chassis-ground, RS232 signal ground, power (-) input, or antenna coaxial shield.
Before connecting any wiring, ensure all components are earthed to a common
ground point.
Failure to follow these instructions can result in equipment damage.
The QR450 is supplied with a lock-in mating DC power
connector which should be installed with the locking
screws done up tightly (0.5 - 0.6 Nm / 4.42 - 5.31 ftin ).
Phoenix Contact Part Number 1777989.
The radio is designed to limit damage if the voltage
exceeds 30V DC or if reverse polarity is applied. The field
replaceable internal fuse has a 7 Amp rating.
In high ambient temperature situations, the internal fans
may operate, resulting in an increase of input power of
up to 28 Watts.
Typical receive/standby input power is 35 Watts. The input
power will vary in transmit mode according to RF output
power level.
The QB450 is supplied with a lock-in mating DC power
connector which should be installed with the locking
screws done up tightly (0.5 - 0.6 Nm / 4.42 - 5.31 ftin ).
The radio is designed to limit damage if the voltage exceeds
the operating voltage or if reverse polarity is applied. The field
replaceable internal fuse has a 12 Amp rating.
Tx Power (dBm)
Typical Input
Power (Watts)
30 22
37 37
40 51
Tx Power (dBm)
Typical Input
Power (Watts)
30 55
37 71
40 85