VEGA VEGADIF 55 Service instructions - Manual (Page 4)

2 M aintenance and fault recti fication
2 .1 Remove interferences
The instrument differentiates between two message types:
Alarm, warning and error, see following chart and additional
instructions manual Service instructions VEGADIF 55, "Mes-
sages".
Output A (alarm) W (warning) E (error: alarm/warning)
Current output Instrument does not contin-
ue the measurement. Cur-
rent output takes on the
value given via the parame-
ter OUTPUT FAIL. MODE1,
SET MAX. ALARM1 and
ALT. CURR. OUTPUT1.
See below"Set current out-
put for alarm". Instrument continuous
measurement For this message type, you
can enter whether the in-
strument should react as it
does in case of an alarm or
warning. See corresponding
column "Alarm" or "Warn-
ing".
Bar graph (local in-
dication) The bar graph takes on the
value given via the parame-
ter OUTPUT FAIL MODE1. The bar graph takes on the
value corresponding to the
current value. See this chart, depending
on the selection column
"A
larm" or "Warning"
Local indication Measured value and mes-
sage indication are shown
alternately, measured value
indication: alarm symbol is
shown permanently. Mes-
sage indication 3-digit num-
ber such as e.g. A122 and
description Measured value and mes-
sage indication are shown
alternately, measured value
indication: symbol flashes.
Message indication: 3-digit
number such as e.g. W163
and description Measured value and mes-
sage indication are shown
alternately, measured value
indication: see correspond-
ing column "Alarm" or
"W
arning" Message indica-
tion: 3-digit number such as
e.g. E731 and description
Remote adjustment
(HART handheld) In case of an alarm, the
parameter ALARM STA-
TUS2 shows a 3-digit num-
ber such as e.g. 122 for
"S
ensor connection error,
faulty data".
In case of a warning, the
parameter ALARM STA-
TUS2 shows a 3-digit num-
ber such as e.g. 613 for
"S
imulation is active".
In case of an error, the
parameter ALARM STA-
TUS2 shows a 3-digit num-
ber such as e.g. 731 for
"P
max PROCESS de-
creased".
Set current output for alarm
Via the parameters OUTPUT FAIL. MODE, AL. CURR.
OUTPUT and SET MAX. ALARM you can set the current
output for an alarm. The parameters are shown in the group
OUTPUT ("GROUP SELECTION - OPERATING MENU -
OUTPUT"). In case of an alarm, the current as well as the bar
graph takes on the value entered with the parameter OUTPUT
FAIL. MODE.
Reaction of the outputs
in case of failure
4 Service instructions VEGADIF 55
Maintenance and fault rectification
31732
-EN
-080430