Festo MSE6-E2M Original Instructions Manual page 112

B Parameterisation examples
Sample values in the "Pressurisation" state:
– Minimum flow rate in production operation :
– Maximum pause time in production operation: 2 min
– Maximum flow for production downtime:
2. Set parameters for automatic blocking function.
To avoid unintentional behaviour, additional tolerances and safety additions must be
taken into account during parameterisation.
– The module must be in the "pressurisation" state for the parameters to be effective (otherwise,
the previously set values apply).
– The control bit "Auto shut-off " (bit 1 in the output word Am.0 "Module control") should be deac­
tivated first.
– Parameter "Auto shut-off delay time"
Set the parameter higher than the actual pause time, in order to avoid accidental advance block­
ing, in the upper example values, for example, to 10 min.
– Parameter "Auto shut-off low flow limit"
The parameter must be higher than the maximum flow rate at rest, but lower than the minimum
flow in production operation.
In the example, it could be set between 90 and 240 l/min.
3. Activate automatic blocking function.
– The control bit "Auto shut-off " (bit 1 in the output word Am.0 "Module control") must be set.
After the set time, if there is an underrun of the flow limit value, the module should switch to the
"Blocking" state.
4. After automatic blocking switch the module back to the "Pressurise" state.
– The module has switched automatically to the "Blocking" state (shut-off valve closed: status bit
Shut-off valve Em.3.0 = 1 and Em.3.4 + Em.3.5 = 2 (UP))
– The control bit "Blocking" (B0 in the output word "Module control") must stay deactivated.
– Positive signal flank on control bit B2 in the output word "Module control" (automatic block­
ing function remains active)
or
– Deactivate the automatic blocking function by resetting the control bit "bit 1" in the output
word "Module control"; the automatic blocking function may subsequently need to be react­
ivated.
5. Check the set values over multiple production cycles.
Changes to system parameters can lead to a change in the determined production data.
• Check whether the system parameters are still valid.
112
250 l/min
80 l/min
Festo – MSE6-E2M-SY-EN – 1703d – English