3 exchanging the electronics module, 4 instrument repair – VEGA VEGAFLEX 66 (-110…+400°C) 4 … 20 mA_HART - four-wire User Manual
Page 40
D
epending on the failure reason and measures taken, the
steps described in chapter "Set up" must be carried out again,
if necessary.
8.3 Exchanging the electronics module
I
f the electronics module is defective, it can be replaced by the
user.
I
n Ex applications only one oscillator with respective Ex
approval may be used.
I
f there is no electronics module available on site, one can be
ordered from the agency serving you.
T
he new oscillator must contain the order data of the sensor.
T
hese can be loaded as follows:
l
A
t the factory by VEGA
l
O
r on site by the user
Information:
W
hen loading on site, first of all the order data must be
downloaded from the Internet (see operating instructions
manual "Oscillator").
I
n both cases, the serial number of VEGAFLEX 66 is required.
T
he serial numbers are stated on the type label of VEGAFLEX
66,
on the inner wall of the housing or on the delivery note.
T
he oscillators are adapted to the respective sensor and differ
in their signal output or in their power supply. You can find a
suitable oscillator in the following overview.
E
lectronics module FX-E.60V suitable for VEGAFLEX 61, 62,
63 - 4 … 20
mA/HART four-wire:
l
FX-E.
60VX (X =
without approvals)
l
FX-E.
60VA (A =
approval DA according to product list)
l
FX-E.
60VC (C =
approvals DX, EX, GX according to
product list)
8.4 Instrument repair
I
f a repair is necessary, please proceed as follows:
Y
ou can download a return form (23 KB) from our Internet
homepage www.vega.com under: "Downloads - Forms and
certificates - Repair form".
Reaction after fault rec-
tification
Preparations
Assignment
4 … 20 mA/HART four-
wire
40
VEGAFLEX
66 • 4 … 20
mA/HART - four-wire
8 M
aintenance and fault rectification
32763
-EN
-080826