3 EXPERT
+
test functions
By default, all positioners in ESD version in
-
clude the EXPERT
+
valve diagnostic func
-
tions. However, the positioner’s operating
mode determines which diagnostic functions
are available.
Presetting actuator and valve data
To use the integrated EXPERT
+
functions,
certain details on the actuator and valve
used need to be entered, including:
4
Model
parameter under [Identification >
Positioner > Actuator]
Options: single acting, double acting
Default: single acting
4
Booster
parameter under [Identification >
Positioner > Actuator]
Options: not present, present
Default: not present
4
Stuffing box
parameter under [Identifica
-
tion > Positioner > Valve]
Options: self-adjusting, adjustable pack
-
ing, bellows seal
Default: self-adjusting
If actuator and valve correspond to the de
-
fault values, no further settings need to be
entered.
EB 8388-1 EN 19
EXPERT
+
test functions
Operating mode
(Code 0)
EXPERT
+
functions Test requirements
AUtO
As in EB 8388 EN
MAN
ESD mode
ESD Man Data logger/ Statistical
information Auto
TROVIS-VIEW 3: [Diag
-
nosis > Statistical information
AUTO > Data logger]
For test description,
see EB 8388 EN, section 2.1
Note! The valve position is used as the valve
travel condition by the data logger of
positioners in ESD version.
Drive signal y Hysteresis/
Statistical information Auto
TROVIS-VIEW 3: [Diag
-
nosis > Statistical information
AUTO > Drive signal dia
-
gram > Hysteresis]
For test description and requirements, see
EB 8388 EN, section 2.5.2
Actuator and valve data need to be preset, see
above
ESD Auto Data logger/ Statistical
information Auto
TROVIS-VIEW 3: [Diag
-
nosis > Statistical information
AUTO > Data logger]
For test description,
see EB 8388 EN, section 2.1
Note! The valve position is used as the valve
travel condition by the data logger of
positioners in ESD version.
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