7
When the system is switched on, it checks all the
parameters and visualizes page P1.
The page visualized by the system may vary according
to the version of the chamber.
Angelantoni Ind.
Challenge
0.000
P1
Version of
the resident
programme
B)By pressing the lighted START/STOP push-button
When this push-button is pressed, the machine
stops and restarts either manually or automatically.
(This push butom may not be present according to
the version of the machine).
C)By switching off the main switch (isolating switch)
The machine is switched off.
When it is switched on again:
- in MANUAL mode a cycle has to be reprogrammed and
restarted as the data will have been lost.
- in AUTOMATIC mode the cycle may be recalled and restarted.
The instructions to start up the cycles in
either MANUAL or AUTOMATIC mode
will be given in the following chapters.
START/STOP
2.5
HOW TO SET THE SOFTWARE ALARMS
Never carry out a temperature cycle without having set the relevant software and hardware alarms.
Three alarm levels are usually available:
• Software alarms for maximum and minimum tempera-
ture (that can be set on the OP7 panel).
• Hardware alarms for maximum and minimum tempera-
ture (see chamber handbook).
• Fixed alarm for maximum temperature preset in the
factory (see chamber handbook).
How to set the software alarm for maximum and mini-
mum temperature
The alarms have to be defined after the minimum and
maximum value for the cycle that is to be carried out have
been defined. If the alarms are not programmed and they set
off within the field of work, the cycle will be stopped and the
relevant alarm will be triggered.
Theoretical diagram showing the position of the
software and hardware alarms
0
°
C
MIN cycle
°
C
maximum temperature software alarm
WORK
CYCLE
maximum temperature hardware alarm (fixed)
MAX cycle
°
C
The aim of these alarms is to protect the product which has to be tested in the case of temperature failures due to an
accidental faulty operation.
minimum temperature software alarm
minimum temperature hardware alarm (fixed)
followed by
• Insert the relevant alarm values and confirm them with
ENTER
• (ESC) if you do not wish to modify any data
K4
Press
Press K4 to switch off this function
K1
Manual mode
When this key is pressed, the machine stops and restarts only in the
manual mode.
If the machine is operating automatically, please
refer to paragraph 4.6.
A)By pressing key K1
2.4.1 HOW TO SWITCH ON/OFF
followed by
Overtemp
_ _ _
Undert.
_ _ _
K4
Press
General settings
Summary of Contents for OP7
Page 3: ......
