Hyd-Mech S20DSP, Руководство по эксплуатации и обслуживанию, Страница: 132 / 136

10--10 125
Use and maintenance manual
S20DSP
"
the digits 0 and 1 shown in the display lower line indicate the status OFF (0)
or ON (1) of each single output. Pressing the
"
or
A
key it is possible to
move the cursor till selecting the output to be checked. Pressing the
Y
key it
is activated or deactivated.
Current transformer
AMMETER TRANSFORMER FOR CHECKING
BLADE MOTOR ABSORPTION
If the display of blade motor absorption doesn’t vi-
sualise the current values any longer, it’s possible to
check if the fault is relative to ”AMMETER TRAN-
SFORMER”, to visualisation, to wiring, or to input
of IUV board.
Head position potentiometer
POTENTIOMETER OF HEAD CYLINDER TRAN-
SDUCER (CUTTING HEAD POSITION)
If, by moving the head upwards or downwards, the
value visualised doesn’t change, you can check if the
problem is due to the transducer potentiometer, to
connections or to problems of the IUV. Move the
head manually and check that the value changes on
the display.
Blade tensioner
PRESSURE SWITCH FOR SURVEYING PRE-
SENCE OF COMPRESSED AIR
To reduce dangerous situations, if there’s absence of
air, a pressure switch inhibits all machine functions,
safeguarding safety of operator from residual risks.
If the visualised vale is 0 (OFF), it means that
there’s no pressure or that compressed air is discon-
nected.
ANALOGIC INPUT NO. 4
ANALOGIC INPUT NO. 4
Available for connecting optional instruments.
Machine alarms and emergencies
The machine’s M30 controller notifies the operator of any alarm or emergency
condition which may occur during production by way of acoustic and visual
signals. This section lists the messages shown on the display.
PRESS RESET
This message is displayed during the initialisation
phase after pressing the ON key
PRESS RESET
This message is displayed when the cutting start
position is lower than the previous position saved
for the cutting end position.
"
Save both the FCTI and FCTA positions again.
HEAD NOT AT FCTI
PRESS RESET
This message is displayed if the head is not posi-
tioned at the
FCTI
position when the cycle is
STARTED.
"
Return the head to the FCTI position before
resuming the cycle
SELECT SPEED
PRESS RESEt
This message is displayed if the cycle is STARTED
without having first selected the cutting speed.
"
Return the head to the FCTI position before
resuming the cycle