Quick Start Guide - ER450 Data Radio 5
5.0 Power Supply and Protection
(fusing)
The ER450 radio modem is designed and calibrated to
operate from a 13.8Vdc regulated supply, but will operate
from 10-16 volts (filtered) DC.
The current requirement is typically 120mA in receive
mode, and will vary in transmit mode according to RF
output power level (typically 0.5-1.5 amps).
Caution: There is NO internal replaceable fuse, and
therefore the radio modem MUST be externally fused
with the fuse holder provided (a 3 amp slo-blow fuse).
The radio is designed to self protect, and will blow the
external fuse if the voltage exceeds 16Vdc, or if reverse
polarity is applied.
The radio modem can also 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 (please pay particular
attention to 24V PLC power systems where converters
are used).
Connect the antenna and RS 232 plugs BEFORE
applying power to the unit.
Lastly, before inserting the power plug, please re-check
that the polarity and voltage on the DC power plug is
correct using a multimeter.
6.0 TVIEW+ Management Suite -
Radio Configuration
This TVIEW+ Management Suite allows a number of
features including: Configuration (Local - serial, or
Remote - over-the-air), Remote DiagnosticsFacilities and
Firmware Upgrades.
The configuration wizard can be used to provide Quick
Start generic templates for the types of systems
architecture you wish to employ.
Example: Local configuration session -
1 Attach the programming cable from the PC to the
System Port of the radio (see fig 6 & 7 )
2 Launch TVIEW & Select “Programmer”
3 Select “Read” the radio
4 Change the configuration as required
5 Select “Write” the parameters back to the radio
Refer to User Manual for detailed operation of advanced
features.
Fig 10
