Maintenance; General Information And Handling - Siemens SIPART DR22 Manual

Manual
5

Maintenance

5.1

General information and handling

The controller is maintenance-free. White spirit or industrial alcohol is recommended for clean-
ing the front foil and the plastic casing if necessary.
In the event of an error the modules
-- Front module
-- Main board
-- Option modules
may be changed freely without readjustment with power supplied.
To maintain the current for the controller manipulated variable of the K-controller, use the
y -module (see chapter 1.4.2, page 13). Final control elements on S-controllers remain in
hold
their last position.
!
!
SIPART DR22 6DR2210
C79000-G7476-C154-03
ATTENTION
All modules contain components which are vulnerable to static. Observe
the usual safety precautions!
WARNING
The power supply unit and the interface relay may only be changed
when the power supply has been safely disconnected!
WARNING
Modules may only be repaired in an authorized workshop. This applies
in particular for the power supply unit and the interface relay due to the
safety functions (isolation and functional extra-low voltages).
5 Maintenance
5.1 General information and handling
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