4 exchanging the electronics module – VEGA VEGAFLEX 62 4 … 20 mA_HART two-wire User Manual
Page 46
3
C
able: Pull the cable out of the gravity weight
4
S
horten the cable/rod with a cut-off wheel or metal saw at the
lower end. Make sure the length is correct.
5
C
able: cable protrudes approx. 65 mm (2.4 in) into the gravity
weight.
6
C
able: Fasten the cable with three pins, torque 20 Nm (14.75 lbf in)
7
E
nter new probe length and then carry out a fresh adjustment (see
"S
etup procedure, Carrying out min. adjustment - Carrying out
max. adjustment").
Fig. 28: Shortening the cable probe
8
.4 Exchanging the electronics module
I
f the electronics module is defective, it can be replaced by the user.
I
n Ex applications only one instrument and one electronics module with
respective Ex approval may be used.
I
f there is no electronics module available on site, one can be ordered
from the VEGA agency serving you.
T
he new electronics module must be loaded with the settings of the
sensor. These are the options:
l
A
t the factory by VEGA
l
O
r on site by the user
I
n both cases, the sensor serial number is necessary. The serial
numbers are stated on the type label of the instrument, inside the
housing or on the delivery note.
Information:
W
hen loading on site, first of all the order data must be downloaded
from the Internet (see operating instructions manual "Oscillator").
Sensor serial number
46
VEGAFLEX
62 • 4 … 20
mA/HART two-wire
8 M
aintenance and fault rectification
31837
-EN
-100426