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Siemens
RDU340… Basic Documentation
CE1P3078en
Building Technologies
Functions
2014-11-03
4.9 Error
handling
When the room temperature is outside the measuring range, i.e. above 49 °C or
below 0 °C, the limiting temperatures flash, e.g. “0 °C” or “49 °C”.
If the temperature is below 0 °C and the controller is in heating mode and the
current setpoint is not set to “OFF”, then the control output Y10 or Y21 respectively
will issue actuator control commands to heating equipment.
For all other cases, the control output is de-energized. The controller resumes
Comfort mode after the temperature returns to within the measuring range.
4.10 DIP switches
Use the DIP switches on the inner side of the front panel to commission the basic
controller applications prior to snapping it to the base.
DIP switch number
1
2
Application
Single duct (factory setting)
OFF
n.a.
Single duct & electrical heater
ON
n.a.
DC 0…10 V output signal normal (factory setting)
n.a.
OFF
DC 0…10 V output signal inverted (see section 4.5)
n.a.
ON
Note: During startup, the controller reloads the control parameter factory settings
after each DIP switch settings change.
Temperature out of
range
ON
1 2
