6.10 External control
6.10.1
Activating external control
Personnel:
n
Operating personnel
1.
Select the menu item
Control Variable
extern Pt100
in the
Control menu.
This option is only available if a Pt100 module for
an external temperature sensor has been con-
nected. A Pt100 temperature sensor must be con-
nected to the module.
2.
Confirm with the OK button.
6.10.2
Defining setpoint offset
It is possible to apply a value to the temperature that is predefined
by the external temperature sensor and then process it as a set-
point. For example, the bath temperature can be 15 °C below the
temperature of a reactor that the external temperature sensor
measures.
Personnel:
n
Operating personnel
1.
Change to the main menu.
2.
Select the menu item
Setup
Control
Setpoint offset
.
3.
Select one of the following options:
n
With
Offset source
, you can specify which source to use
to measure the offset.
n
With
Diff. set/actual value
, you can specify the offset.
Fig. 31: Activating external control
Navigating to the settings
Fig. 32: Setpoint offset menu
Operation
Variocool
56
Summary of Contents for VC 1200
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Page 48: ...Fig 14 Menu structure part 2 Menu structure for Graph Clock and Standby Operation Variocool 48...
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