Technical Assistance Services (01/08) 36
when there exist two units with the same frequency they can interfere with each other but can
never act upon the other crane.
It is recommended that the units that work on tower cranes, construction, have the scan
option selected in starting up; this scan consists of the receiver making a frequency sweep of the
zone, find the frequencies that are free and work on one of them. The construction units are
manufactured with this option activated.
The industrial units, as always, are installed in the plant itself and work with the same
frequency. To avoid interference every user must, at all times, have a listing of the units owned
with their working frequencies and check to ensure that they do not have units working on the
same frequency.
The change of frequency must only be made when we are sure that there are two units in
an installation with the same frequency. It must be noted that if a unit breaks down, it is not
repaired by changing the frequency. Every frequency change must be communicated to the user in
order to register it in his listing of units.
5.9.- COPYING OF EP70 FIXED SYSTEM TM70
All of the parameters of a unit, working frequency, identification code, table of manoeuvres,
times, etc., are recorded on the eeprom EP70. Each unit has two eeproms that are exactly
identical, with the same data recorded, one in the transmitter and the other in the receiver. The
eeproms are identified with the serial number of the unit and there are not two units with the same
Press and hold the button A and feed
the issuer. The LED INIT blinks once in
amber, twice in green and will make 4
double blinks in red accompanied by
double beeps from the buzzer. After a
second stay in amber , at which time
stop pressing the button A. The LED
INIT indicate the selected base channel.
Tens will show with green pulses and
units with red pulses, then it will sparkle in
amber and stay on in amber.
The LED of INIT will then indicates the
new frequency with blink in green (tens)
and red (units) and then the LED will flash
some amber lights el LED.
At that time the new frequency passes to
the receiver and at the end will stay in
amber. Remove the issuer power.
Returning to feed it work with the new
channel.
The transmitter is in a state of change of
frequency. Click the button A as many
times as the number of tens of the new
base channel and then press the B
button as many times as the number of
units of the new base channel.
Example: If we set the channel 12 will
press 1 time on the button A and 2 times
on the button B.
NOTE. If we want a rate below 10 as the
value of scores is 0, you just push the
button B to mark the units.
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