GE FVP110, Руководство по обслуживанию

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FVP 110 Fieldbus Valve Positioner Manual
176
GE Energy
Troubleshooting Communications
Troubleshooting Function Block Parameters
Table 55 Troubleshooting Communications
Problem Presumed Cause Remedy See Section
Communication with the
FVP110 cannot be
performed. Wiring is incorrect. Correct wiring.
❑ “Wiring” on
page 54
❑ “System Con-
figuration” on
page 87
The power is off or the power
supply voltage is less than 9 V. Supply proper voltage.
❑ “Wiring” on
page 54
❑ “Standard
Specifica-
tions” on
page 73
The address detection range
is not correctly set. Correct address detection
range. “Setting of Tags
and Addresses”
on page 94
Communication with the
FVP110 is frequently cut
off. The fieldbus is experiencing a
large amount of noise. Using an oscilloscope or
the like, check the
waveform on the fieldbus. —
The FVP110 can be
detected, but neither
function blocks nor
transducer block can be
seen. The node address of the
FVP110 is left as the default
(0xF8-0xFB). Change it to an operable
address. See the
descriptions for address
settings. “Setting of Tags
and Addresses”
on page 94
Table 56 Troubleshooting Function Block Parameters
Problem Presumed Cause Remedy See Section
A value cannot be written
to a parameter in the
FVP110. You have attempted to write a
value outside the valid range. Check the setting range of
parameters. “Function Block
Parameters” on
page 183
The target mode does not
allow write access. Change the target mode.
See the parameter lists. “Function Block
Parameters” on
page 183