Startup and operation
Page 22
RES-430
The possible settings are shown below:
Other names are used for the settings up to
SW revision 006. The only possible settings
are "ON, "When START signal present" and "OFF".
9.4
Temperaturediagnosis
(As of SW revision 007)
The RES-430 checks during the heatsealing phase
whether the ACTUAL temperature is within a settable
tolerance band ("OK" window) on either side of the SET
temperature. The lower (
) and upper
(
) limits of the tolerance band can be changed
by means of steps 207+208 in the Configuration menu.
If the actual temperature is outside the specified
tolerance during the parameterized monitoring time,
the heatsealing cycle is immediately interrupted and an
alarm is indicated on the display.
This monitoring function serves to maintain a constant
temperature.
SW revision 007:
The temperature diagnosis function is always active.
The diagnosis begins if the ACTUAL temperature
exceeds the lower tolerance limit and simultaneously
corresponds to 95% of the SET temperature. The
diagnosis ends at the end of the parameterized
heatsealing phase.
As of SW revision 008:
The temperature diagnosis function can be activated
and deactivated with step 217 in the Configuration
menu. The following settings are possible:
1.
"OFF"
(•)
Temperature diagnosis deactivated
2.
"ON"
Temperature diagnosis activated
If the temperature diagnosis function is activated, an
additional delay time between 0 and 9.9s can be
parameterized for temperature monitoring with
step 218 in the Configuration menu. This delay time
starts when the ACTUAL temperature reaches 95% of
the SET temperature. The temperature diagnosis
function is activated as soon as the delay time elapses
(in the case of SW revision 008, the ACTUAL
temperature must also have exceeded the lower limit of
the tolerance band in order for the diagnosis function to
be activated).
The temperature diagnosis function can thus be
explicitly deactivated during the closing movement of
the sealing jaws, for instance.
ACTUAL
temp.
START
signal
ON
T
t
t
0
0
95% of set point
When start
sig. present
t
0
Relay K1
When
temperature
t
0
reached
t
0
While
cooling
t
0
500ms
End of cooling
End-of-
cycle
impulse
!
∆ϑ
low
∆ϑ
high
(•) Factory setting
Set
Set+
∆ϑ
low
Set+
∆ϑ
high
Actual value
Time
Alarm signal
