Type 8025

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8.3. Function modes

Flowmeter with standard output signal

• 4…20 mA output + Pulse

• 4…20 mA output + Pulse + relay output

Hysteresis switching mode (both relays) for the output, inverted or not

OLO

OHI

OLO

OHI

Contact

inverted

not inverted

Contact

Hysteresis mode

Batch controller, compact or remote variants

The following dosing modes are possible:

• Locally started dosing of

– free quantity: the user enters the quantity to be filled and starts the dosing from the keypad.

– pre-set quantity: the user selects a quantity which has been pre-set and starts the dosing from the keypad.

• Dosing controlled by a PLC unit: the user selects a quantity which has been pre-set and starts the dosing using binary inputs.

• Locally/remote selection of pre-set quantity and dosing controlled by a PLC unit: the user selects a quantity which has been pre-set

from the keypad or using binary inputs and starts the dosing using binary inputs.

• Automatic dosing controlled by variation of pulse duration: the volume to be dosed is directly proportional to the duration of a pulse.

• Locally/remote dosing determined by teach-in:

– teach-in of the dosing quantity from the keypads

– teach-in of the dosing quantity using binary inputs.