Page 8 MICRODEC485 9951
Switching on and switching off
Before connecting the unit:
•
make sure that the goods supplied correspond to the required specifications by controlling the rating plates,
according to the section
Operating data on the rating plate
.
•
make sure that the fuses of the MICRODEC485 receiver are not damaged.
•
make sure that the receiver and the other components of the plant are closed in order to avoid the direct contact
with live elements.
•
make sure that all parts are accurately and firmly fixed.
•
the power cords must not hamper the normal operations of the installer and the movement of the positioning device.
•
check you have correctly fed the MICRODEC485 (24V
Ûõý
and the other components installed.
Maintenance
The MICRODEC485 receiver does not require special maintenance operations.
We recommend placing it on a solid base, with the power cords and the connecting cables positioned such that they
are not likely to hamper the operator.
Led di diagnostica MICRODEC485
Two leds (LL1 and LL2) allow checking the correct running of the MICRODEC485. On switching on, both will rapidly
blink for about 1 second. During normal function, LL2 blinks whit a period of 1 second. LL1 blinks shortly when a
command is received.
Troubleshooting
Although the MICRODEC485 receiver is characterized by a great ease of use, sometimes troubles may occur,
especially during the installation and configuration phases or using the unit.
The led LL2 does not blink
Power supply not connected
Check the power supply cable
The Pan & Tilt motor does not
run
The Pan & Tilt power supply is wrong
Check the Pan & Tilt power supply
The zoom lens does not run
The zoom lens must be of “polarity
inversion” type with 12V
Ùý
power
supply
Check the zoom lens features
The led LL1 does not blink
when receiving a control
Serial line interrupted
Incorrect baud rate
Check the connection cable
Check that the cables is cut in the right
terminals RX485-A and RX485-B
Check the dip switch SW1 and the
Jumper JP1
The led LL1 blinks when
receiving a command but no
action is performed
The receiver identification number is
wrong
Set the right number on the dip switch
SW1