Sonotec 200 08 0001, Operating Manual

Page: 5 / 30

Technical Data Sheet SONOFLOW
®
IL.52/3 V2.0
Ultrasonic Flow Sensor
3
Revision: 1.3; Date: 2020-05-18
Frequency output
for flow rate
RS485 interface
SONOTEC
®
protocol: Half-duplex operation / 115.200 baud / no parity / 1
stop bit / no handshaking (MODBUS
®
via software settings)
NOTE: Please find the description of the serial protocol for details
(upon request).
Recommended electrical connection of the RS 485 interface
CAUTION! If the interface is not used, it does not necessarily has to be
connected; the two pins A and B can remain open .
RS485 Bus operation The sensor supports bus operation with max. 12 subscribers. The default
address is #01.
NOTE:
The address can be changed by software settings (see opt. accessories).
Permitted are addresses from #01 … #12.

Menu: Identification | RS485 address
Switching output Freely configurable: e.g. adapting batch process or threshold switch of flow,
maximum 100 mA
10 k Ω
B
A
+3.3 or +5 V
HOST
SENSOR
Ground
+3.3 V
Ground
A
B
10 k
Ω
10 k Ω
10 k Ω
Recommended
2 ... 5 k Ω
Load min. 5 kΩ
Input Frequency output 5 V
HOST
SENSOR
Ground
Ground