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121 current signal Ir too low
6.66<>10 V check current measurement Ir connection
and dimensioning
122 current signal Ir too high
check heat conductor and
dimensioning
123 current signal Ir unstable
(from V1.00/1.01/1.19/1.18)
.
check current measurement Ir
connection
131 reference temperature selected too high
8.66<>10 V
correct setting
132 range of temperature coefficient correc-
tion exceeded
repeat calibration
133 parameter error - constancy and dynam-
ics of the selected temperature coeffi-
cients are below the temperature range
change settings
3.8. Relay functions
The following same functions can be set independently for each of the message and the two control relay
outputs.
3.8.1. Temperature function:
The relay is actuated if the actual temperature is in the “Temperature ok”
range. A delay during which the actual temperature has stabilized can be set with the stabilization time.
The holding function is an additional function during which the relay remains activated after the welding
cycle and until start of the following welding cycle.
3.8.2. Sequence function:
This relay function is used to set the conditions when the relay is actuated:
- Active upon “Start” signal:
The relay is actuated as soon as the “Start” signal is applied and is re-
leased when the cooling time has elapsed.
- Active when temperature is reached:
The relay is actuated when the actual temperature has exceed-
ed 95% of the desired value and is released when the cooling time has elapsed.
- Active during heating phase:
The relay is actuated while the welding time is running off.
- Active during cooling phase:
The relay is actuated during the cooling phase.
- Calibration Ok:
The relay is not actuated during calibration. It is actuated again after a successful cali-
bration. End of calibration is indicated with the “Calibration Ok” function.
- Active while Alarm:
The Relay is actuated while the error state.
- Active as
Temperature-coefficient correction control message:
The relay is used as control mes-
sage to open and close the welding bar while the temperature-coefficient correction (8- point). The relay
is actuated after a delay of 250 ms and when the actual temperature has exceeded 95% of the desired
value. The relay is released when the heat conductor's actual temperature is reported back to the PIREG-
D2. (from V1.00/1.07/1.29/1.23)
3.8.3. Time pulse function:
The following switching pulses can be generated with the relays using the
“Time pulse” function:
- Heating phase:
The relay is actuated for the set pulse time when the sealing time starts, i.e. during
heating of the heating conductor.
- Cooling phase:
The relay is actuated for the set pulse time at the start of the cooling phase.
- Pulse end:
The relay is actuated for 500 ms at the end of the cooling phase.
3.9. Display functions
3.9.1. Languages:
The following languages can be set for the PIREG-D2 display unit:
German
English
French
Italian
Dutch
Russian
3.9.2. Brightness:
The brightness of the background lighting is set as a percentage value in a range of
30…100 % in 5%-steps.
3.9.3. Hold mode:
If the “Hold” mode is activated the actual temperature value which was measured at
the end of the welding process or the welding time will also displayed. You can select whether the meas-
ured actual value is only displayed for 2 seconds or until the following welding process or welding cycle is
started.
3.9.4. Cycle counter:
The PIREG-DIS display unit has a cycle counter (0…9999999) for counting the
welding cycles. Der Zyklen-Zähler kann zurückgesetzt werden. Bei einem Überlauf beginnt der Zähler
wieder bei Null.
In addition the PIREG-DIS display unit has a total cycle counter (0…999999999) which is used as „ser-
vice life counter“, but cannot be reset.
3.9.5. Saving:
With the display unit settings can be saved and restored. One distinguishes between pa-
rameter sets (
5.9.1.) and factory settings (
5.9.2.). The settings for different applications of the weld-
ing machine are saved using the five parameter sets so that the machine can be adjusted quickly when
the application was changed. One basic setting of the machine can be saved and restored with the facto-
ry settings. In addition the PIREG-DIS display unit can be reset to its factory settings.
3.9.6. Releases:
The display unit has three release levels (
5.8.4.) with which different user-dependent
operating levels can be realized. Each release level has its own release number. All release numbers are
