20
7 VG9H 70 en
4.7
Advance parameters
4.7.1
Manual Stroke Size,
MSTr
Targeted manual partial stroke test size. Range is 3.0–100 %.
In VG9000H_P version the range is 3.0-50%.
Once
MSTr
is displayed, press the
?
key to enter the
edit state and the
MSTr
will start blinking.
Select values by pressing the
+
or
-
key. Holding
down
+
or
-
key will start scrolling the value show
on the display faster.
After the desired value is displayed, press the key
?
to conclude the operation.
4.7.2
Automatic Partial Stroke Test,
APSt
Selection if automatic partial stroke test is disabled (
dIS
),
enabled (
EnA
) or enabled with randomized range (
rnd
).
Select between three options
dIs
,
EnA
or
rnd
using
the
+
and
-
keys.
To conclude press the
?
key when the desired
value is shown on the display.
4.8
Special displays
4.8.1
User interface locked
In order to prevent unauthorised access, the Local User
Interface may be locked. In this mode measurements may
be viewed but configurations and calibrations are prohib-
ited. You may lock and unlock the device only via HART.
When the Local User Interface is locked the lock symbol will
be activated on the display.
4.8.2
Alarm or warning state
All failure conditions and statuses in VG9000H can be indi-
vidually configured to three different classes: Alarm, Warn-
ing or Info, or they can be ignored. This configuration can
be done with DTM (see separate DTM manual). Alarm state
causes a blinking
&
to be shown on the display. In Warn-
ing state, the
&
symbol is steady.
4.8.3
Viewing of latest event
You may view the latest event by pressing the
=
and
-
keys simultaneously in the measurement monitoring view.
The message is scrolled on the top row of the display twice.
You may stop the scrolling by pressing the
?
key. By
pressing the
=
key, the message will disappear.
For the list of events see Chapter 6.
4.8.4
HART Communication active
When double arrow symbol is indicated, HART communica-
tion is activated to device.
4.8.5
Write protection
The VG9000H can be write protected via HART. When
device is write protected, following actions are prevented:
all calibrations
configuration parameter changes
When device is write protected, following actions are
allowed:
read events
read statistics
read parameters
test start
man/auto PST
man/auto Pneumatics test
ETT, if correct keying exists*
internal safety diagnostics test
* Keying means that the passcode has been
entered.
NOTE:
Automatic partial stroke test is not available in the
VG9000H_P version.
Fig. 20
LUI locked
Fig. 21
Alarm and Warning states
Fig. 22
Online alarm or warning state message
Fig. 23
HART communication activated
Device in Warning state
Device in Alarm state
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