Siemens SIMATIC FM 455 C, Начало работы

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Learning units
3.4 Programming the analog input parameters
3.4
3.4
Programming the analog input parameters
Procedure
In the first step, select a sensor type to enable the module to process an analog input and
the corresponding controller.
1. Click of analog input 1.
–
Click Sensor type.
Set the parameter "voltage 0 ... 10 V" as sensor type, then save and confirm your
settings by clicking OK. This also closes the dialog box.
–
Click Normalize , then define the required physical range of values for the setpoint and
actual value.
Define a "high" limit which corresponds with 10 V at the input.
Define a "low" limit which corresponds with 0 V at the input. Save your settings by
clicking OK.
2. Close the "Analog input 1" dialog box by clicking Close.
For further information, refer to the Online Help.
3.5
3.5
Programming the error signal parameter
Procedure
Do not change the default controller type "Fixed setpoint or cascade controller."
1. Click Error signal.
–
To see which sources are selected for the setpoint and actual value, click Setpoint und
Actual value A. Do not change the default "Setpoint: by function block", and "Actual
value A: conditioned analog input 1," and close both windows by clicking Cancel.
–
Open the Switch Safety Setpoint window. There, you can define the module's reaction
to CPU failure, and its startup characteristics.
–
On the Limit window, define the high and low limits of the setpoint. Save this setting by
clicking OK.
2. Close the Error signal window.
For further information, refer to the Online Help.
FM 455 C
3-4
Getting Started, 02/2006, A5E00059365-03