JUMO dTRANS pH 02, Operating Manual, Page: 45 / 136

45
7 Commissioning
7.2.2 Flow measurement with flow sensors
Layout
Task
Flow rate measurement in l/min by counting the pulses of the flow sensor at a
binary input.
Acquisition of the total quantity in l.
When a total quantity of 100 l is reached, a solenoid valve connected to the
binary output should be activated.
Resetting the total quantity via the free binary input.
The commissioning example shows the flow measurement with the paddle-
wheel flow sensor type 406020 with pulse output. The use of the magnetic-
inductive flow sensor type 406010 with pulse output is possible in the same
way.
Data sheet
(1) Transmitter/controller type 202551 202551
(2) Paddle-wheel flow sensor on binary input 2 406020
(3) Two-wire shielded cable 202990
(1)
(2)
(3)
Basically, binary input 1 (3 to 2000 Hz, resolution 2 Hz) as well as binary input
2 (4 to 300_Hz, resolution 0.5 Hz) can be used for flow measurement.
However, only one of the inputs can be used to count the pulses.