Pressure - Festo MSE6-E2M Original Instructions Manual

5 Measurement and control functions
5.3

Pressure

Input signal
The measured pressure value is prepared according to the set parameter "Unit Pressure" (P8.0-8.1)
and made available as an input signal (Em.2).
Limit value monitoring
A comparator is used to compare the measured pressure value with the parameter "Upper limit pres­
sure" (P13-14). When the time set in the parameter "Monitor limit values startup" (P7) has elapsed and
limit value monitoring is activated (P0.6), the appropriate error/diagnostic message is output if a limit
value is exceeded.
Monitoring of parameters
The parameters "Unit Pressure", (P8.0-8.1), "Upper limit pressure" (P13-14) and "Monitor limit values
startup" (P7) are checked on entry for permitted values. In case of error, the appropriate error message
is output if parameterisation error monitoring is activated (P0.7).
Sensor monitoring
If there is a sensor error, the appropriate error message, which cannot be deactivated, is output.
Module number m = 1
Function number = 4828 + m * 64 + parameter number
P8.0-8.1
Data check
Pressure
Scaling
Sensor
error
1
Parameter "Unit Pressure"
2
Parameter "Upper limit pressure"
3
Parameter "Monitor limit values startup"
Fig. 5.3 Block diagram of the "Pressure" function
Festo – MSE6-E2M-SY-EN – 1703d – English
P13-14
1 2
Data check
Comparator
P7 P0.6
3 4
Data check
4
Parameter "Limit values diagnostics"
5
Parameter "Parameterisation error
diagnostics"
P0.7
5
Error message
Parameterisation
error
Em.2: Pressure
Error message
Limit value
Error message
Pressure sensors
53