PNET Operators Manual
PNET -OP-2022
Chapter 11
Troubleshooting
31
11
Troubleshooting
Electronics Issues
No LED lights, display, or output signals
1.
Check power supply and cabling
Viscosity is not stable
1.
SRV viscosity output is compared
against only dynamic viscosity of
the calibration fluids.
2.
Sensor is not fully in fluid.
Probe Issues
NaN values are displayed on the RCP software
or PLC
1.
Check wiring from the probe to
SME is correct.
2.
Measure the internal resistance
from the probe
Communication Issues
No data is visible
1.
Try to reset the SME and/or restart
your master.
2.
Check all settings are correct with
RCP and controller side.
3.
Verify there is no duplicated
address in the network
4.
Try to use the ping command to
get a response from either the PLC
or SME.
5.
Verify that the latest version of the
GDS file is installed-
Data issues
Measured value is different from my reference
standards
1.
SRV viscosity output is compared
against only dynamic viscosity of
the calibration fluids
Wrong Unit from the data stream
1.
Unit is received as HEX
representation, convert to decimal
Wrong readings for each parameter
1.
Verify each parameter is correctly
mapped, some bytes are swapped
Sensor Status does not match any bit from the
sensor status table
1.
Sensor status byte is swapped
https://support.rheonics.com/support/solutions/articles/81000401486-
profinet-troubleshooting
