VEGA VEGABAR 64 Profibus PA - Manual (Page 49)

Total deviation digital output signal in percent:
F
total
= F
perf
+ F
stab
F
stab
= (0.1 % x TD)/year
F
stab
= (0.1 % x 1.25)/year
F
stab
= 0.125 %
F
total
= 0.19 % + 0.125 % = 0.315 %
Total deviation digital output signal absolute:
F
total
= 0.315 % x 8 bar/100 % = 25.2 mbar
Basic accuracy analogue output signal in percent:
F
perf
= √((F
T
)
2
+ (F
Kl
)
2
+ (F
a
)
2
)
F
T
= (0.05 % + 0.1 % x TD)
F
Kl
= 0.075 %
F
a
= 0.15 %
F
perf
= √((0.05 % + 0.1 % x 1.25) 2 + (0.075 %) 2 + (0.15 %) 2
)
F
perf
= 0.24 %
Total deviation analogue output signal in percent:
F
total
= F
perf
+ F
stab
F
stab
= (0.1 % x TD)/year
F
stab
= (0.1 % x 1.25)/year
F
stab
= 0.125 %
F
total
= 0.24 % + 0.125 % = 0.365 %
Total deviation analogue output signal absolute:
F
total
= 0.365 % x 8 bar/100 % = 29.2 mbar
8.4 Exchanging the electronics module
In case of a defect, the electronics module can be exchanged by the
user against an identical type. If no electronics module is available on
side, the module can be ordered for the VEGA agency serving you.
Ordering and exchange are possible with or without sensor serial
number. The electronics module with serial number includes order-
specific data such as factory setting, seal material etc. These are not
included in the electronics module without serial number.
The serial number is stated on the type label of VEGABAR 64 or on the
delivery note.
8.5 Software update
The following components are required to update the sensor software:
l Sensor
VEGABAR 64 • Profibus PA 49
8 Maintenance and fault rectification
28252
-
EN
-081209