ABB RHD16000 Series, Руководство по эксплуатации

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Trouble shooting
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7 Trouble shooting
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This chapter only covers failures caused by the hardware. Use the online-help of the
configuration software for an extended troubleshooting.
failure pattern possible reason troubleshooting
actuator can not move the
valve failure either at the
actuator or at the final
control element (e.g.,
stuffing box tightened too
much) detach actuator from valve
if the actuator moves the valve is
the possible cause
if the actuator does not run, the
actuator is the possible cause
incorrect electronic unit or
incorrect data set Compare the nameplate data on
the actuator and electronic unit.
Incorrectly configured
electronic unit Check/update the settings for the
parametrization software
no communication with
the control system Check wiring
incorrect wiring between
actuator and electronic
unit Check wiring
motor / brake faulty Check the winding resistance of
the motor and brakes
Check the brake lock
Binary inputs on the
electronic unit are not
wired Make connection
actuator does not react
Brake does not release
(no mechanical "click") Check the brake air gap (approx.
0.25 mm) and electrical
connection to the brake
check winding resistance of the
brake coil
actuator does not run in AUT
mode, although “AUT” is
selected in the user interface Binary input 1 (BE 1) not
wired Make connection
Check the software settings for
the binary inputs
LEDs in the commissioning
and service panel (CSP)
flash synchronously Actuator is not adjusted
properly Adjust actuator
LEDs flash alternately Electronic unit / drive
failure
failure when approaching the
end position Actuator in limit range of
positioning sensor
drive the actuator beyond the
adjusted end position (either
manually or using the push buttons
on the CSP); <:hr>(if necessary
disconnect from valve or damper)
drive the actuator back into the
operating range and connect it to
the valve / damper
re-adjust the operating range
,
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7.1 Electrical test values
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Motor MC 090 BA Motor MC 112 BA
Winding resistance ± 5 % at 20 °C (68 °F)
motor 3,7 Ω 1,4 Ω
brake 1290 Ω 1020 Ω
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