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Siemens Building Technologies Basic Documentation LMV5... CC1P7550en
HVAC Products 6 Temperature or pressure controller (internal load controller LC) 13.08.2004
Stage 1 Stage 2 Stage 3
I (mA) 5 10 15
U (V) 2.5 5 7.5
Detection of short-circuits and open-circuits of lines is ensured - similar to the sensor
inputs.
In operating mode 2 (intLC), changeover between the 2 internally defined setpoints W1
and W2 can be accomplished by means of an external (potentialfree) contact.
The settings described under «Input 3» can also be made from a BACS connected to
the AZL5… via RS-232 and bus interface.
Parameter: LC_OptgMode (intLC o.DDC / extLC o.DDC)
An external predefined setpoint via modbus / e-bus exists with «Int LC bus».
An external predefined load via modbus / e-bus exists with «Ext LC bus».
External predefined load,
multistage
External setpoint
changeover
External setpoints or
predefined load via digi-
tal modbus / e-bus inter-
face
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