3.
Select one of the following options:
n
[Offset source] allows you to select the source used to measure
the offset.
n
[Diff. set/actual value] allows you to enter the value for the set-
point offset.
1.
Select the [Diff. set/actual] button in the setpoint offset menu.
The entry window appears. An offset value can be entered within
the limits displayed.
2.
Enter the setpoint offset.
3.
Press the [Enter key] to confirm.
4.
The software returns to the previous Setpoint offset menu.
You can activate or deactivate the value entered for the setpoint offset
of a corresponding source using the options in the [Offset source] menu.
[External Pt100], for example, allows you to activate the setpoint offset for
the external temperature probe.
1.
Select the [Offset source] button in the Setpoint offset menu.
2.
Select one of the following options:
n
Select [Off] to deactivate the offset source.
Activate an offset source from the remaining options:
n
[Extern Pt100]
n
[Extern analog]
n
[Extern serial]
n
[Extern USB]
n
[Extern Ethernet]
n
[Extern EtherCAT]
n
[Extern Pt100-2]
3.
Press the [Enter key] to confirm.
4.
Press the [ESC] softkey to switch to the home window.
6.7 Limiting heating and cooling
The maximum heating power or max. cooling capacity can be limited using
the controller output limit. The limit is set as a percentage of the maximum
value.
The controller output limit for the heating output is designed to prevent
excessive temperatures on the surface of the heater. Excessive heater tem-
peratures may degrade the heat transfer liquid.
1.
Press the [Enter key] to open the menu.
2.
Select the menu items
Setup
Control
Cont.outp.limit
.
3.
Select [Max. heating] and press [OK] to confirm.
An entry window appears. The controller output limit can be set to
a value within the limits displayed.
4.
Change the value accordingly.
Entering the offset value
Activating an offset source
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