Ultrasonic flow meter
SU2020 SU8020 SU2021 SU8021 SU2621 SU8621
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The current value can be read from the unit’s display or via the IO-Link interface.
Selectable values:
•
minimum flow value
•
maximum flow value
•
minimum temperature value
•
maximum temperature value
It makes sense to delete the memories as soon as the unit operates under normal operating
conditions for the first time.
10.6.2.1 Reading via unit keys: memory
u
Go to the [EF] > [DIAG] menu.
u
Read the value for the minimum and maximum stored process value.
10.6.2.2 Parameter setting via IO-Link: Memory
Show memory:
u
Select [Parameter] > [Memory] > [Flow] or [Temperature].
u
Select [Lo.x] or [Hi.x] to show the highest or lowest process value measured.
Clear memory:
u
Execute command:
•
[Reset Hi.x and Lo.x memory]
•
[Reset Lo.x memory]
•
[Reset Hi.x memory]
10.6.3 Operating hours counter
The operating hours since the first set-up are stored by the unit.
The current value can be read via the IO-Link interface.
u
Select [Parameters] > [Diagnosis].
u
Select [Operating hours] and read value.
10.6.3.1 Reading via unit keys: operating hours
u
Go to the [EF] > [DIAG] menu.
u
Select [Operating hours] and read value.
10.6.3.2 Reading via IO-Link: operating hours
u
Select [Parameters] > [Diagnosis].
u
Select [Operating hours] and read value.
10.6.4 Internal temperature
The sensor measures the internal temperature.
The current value can be read from the unit’s display or via the IO-Link interface.
A high internal temperature is signalled by the unit as follows:
