Liquiline CM442/CM444/CM448 Operation
Endress+Hauser 83
10.5.1 Application examples
Chlorine control with feedforward control
a0020123
Fig. 84: Example of chlorine control with feedforward control
1 Connection of the inductive proximity switch INS of the CCA250 assembly at the digital input of the DIO module for
enabling the controller
2 Connection of the signal from a flowmeter to the digital input of the DIO module using the pulse-frequency
modulation (=PFM, setting in the Liquiline firmware) for feedforward control
3 Activation of a (pulse) dosing pump via a digital output of the DIO module using the PFM
ADosing pump
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