rotork YT-2700, Руководство по эксплуатации продукта

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Smart Positioner
YT-2700 Product Manual
Ver. 1.18
48
LEAK
➢
Indicated when movement of
feedback lever is detected without
any pneumatic action of positioner
during auto calibration.
➢
When this error is detected, auto
calibration is aborted and this
message is indicated immediately
on LCD display.
➢
Check for leaks from output
port of the positioner and
piping.
PT ERR
➢
Indicated when a leak is detected in
“PT TIME” during AUTO 2 or 3
calibration. Auto calibration will stop
and the error message will display
on the LCD.
➢
Make sure there are no leak in
the out ports of the positioner or
pipe lines
9.2 Error code which is displayed while using the product
Error Code Code Description and Cause Action
OVER CUR
➢
Indicated and blinked when 24mA or
more current is detected to the
demand input terminal.
➢
Buttons will not work while this error
message is displayed.
➢
Check the connection status to
the demand input terminal.
(miswiring, overcurrent input, etc.)
9.3 Error code which can be checked from View mode
Error Code Code Description and Cause Action
C
➢
Indicated if the deviation between
SV and PV is above 10% and is
continued for over one minute.
➢
Indicated when the valve does not
operate, friction is extremely high or
when the air regulator’s set pressure
is too low.
➢ Can be checked from “Error”
category in View mode. (Refer to
section 8.9)
➢
Re-perform auto-calibration.
➢
C
heck air regulator’s set pressure
and re-adjust to appropriate
pressure.
D
➢
Accumulated I value is I max or
min’s limit.
➢
Degree of precision is low.
➢ Indicated if valve’s friction is
extremely high or set pressure of air
regulator has been changed.
➢ Can be checked from “Error”
category in View mode. (Refer to
section 8.9)
➢
Re-perform auto-calibration.
➢
Check a
ir regulator’s set pressure
and re-adjust to appropriate
pressure.