GE BAKER HUGHES Masoneilan SVi 1000, Quick Start Manual

Page: 13 / 88

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Masoneilan SVi1000 Positioner Quick Start Guide =
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13
Modes
The SVi1000 provides the following modes of operation
Normal mode
HART
®
Override mode (ValVue Manual and Setup Modes)
Failsafe mode
Commission Process (Via Local User Interface)
Find Stops via Local User Interface
Manual upper stops adjustment via Local User Interface
Autotune via Local User Interface
The SVi1000 always starts up in the mode that the unit was last in before power down, except for
failsafe mode when the condition causing fail safe has been corrected.
WARNING
Always ensure the SVi1000 has returned to Normal mode after
any configuration activity.
Normal Mode In this mode the valve follows the 4-20 mA input signal.
HART
®
Override
mode
In HART
®
override mode, the local user interface buttons are disabled
until any button is pushed, then local control is reestablished.
This, from the instrument interface, functions as Manual and Setup
mode from the optional laptop-based software and other HART
®
interface tools.
In HART
®
Override Mode the following tasks are supported over
HART
®
by ValVue or DTM based interface:
Set Characterization (Linear,
Equal%(30,50,Camflex), Quick
Open and Custom Enable or Disable Bumpless
Transfer
Set Near Closed Value Allow Tune to Override limits
Configure Tight Shutoff Set Lower and Upper Position
Limits
Configure Position Fault
Limits (Position Error Band and
Time 1) Configure Switch I/O
Run Find Stops Run AutoTune (Provided the
option is set at the local user
interface)