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KA571F/00/a2/02.03
5201 3948
release: 2
Exchange of housing type F12 on Prosonic M, FMU 4x (2-wire devices)
Only identical, original E+H spare parts may be used.
0
2
1
The instrument may only be maintained and repaired by qualified personnel. The device documentation, applicable standards
and legal requirements as well as any certificates have to be observed!
Before de-installation, it has to be made sure that the supply voltage for the device is switched off.
The exchange requires the following tools:
• Philips screw driver size 1
• flat screw driver for M3 / M4
• hexagon key AF 2.5 / AF 4
• eventually a pair of tweezers
E N
E N
D R
D R
M I
M I
E S
E S
O rd
O rd
C R
C R
S +
S +
e r
e r
O P
O P
C o
C o
H A
H A
S e
S e
r. -N
r. -N
d e :
d e :
I L O
I L O
U S
U S
o .:
o .:
T I
T I
E R
E R
I
I
M e
M e
s s b
s s b
M e
M e
e re
e re
a s u
a s u
ic h
ic h
ri n g
ri n g
ra n
ra n
g e
g e
U 1
U 1
m a
m a
6 .. .3
6 .. .3
x . 2
x . 2
4 .. .2
4 .. .2
6 V
6 V
0 m
0 m
0 m
0 m
D C
D C
A
A
I P
6 5
T
T
A
A
> 7 0
> 7 0
°C
°C
:
:
t > 8
t > 8
5 °C
5 °C
Ex i-devices:
0
2
1
voltage resistance of the
maintained. If required, a test can be performed with 500 Veff
over a time period of 60 s.
E N
E N
D R
D R
M I
M I
E S
E S
O rd
O rd
C R
C R
S +
S +
e r
e r
O P
O P
H A
H A
S e
S e
C o
C o
d e :
d e :
I L O
I L O
r. -N
r. -N
U S
U S
o .:
o .:
T I
T I
E R
E R
I
I
M e
M e
s s b
s s b
M e
M e
e re
e re
a s u
a s u
ic h
ic h
ri n g
ri n g
ra n
ra n
g e
g e
U 1
U 1
m a
m a
6 .. .3
6 .. .3
x . 2
x . 2
4 .. .2
4 .. .2
6 V
6 V
0 m
0 m
0 m
0 m
D C
D C
A
A
I P
6 5
T
T
A
A
> 7 0
> 7 0
°C
°C
:
:
t > 8
t > 8
5 °C
5 °C
12
13
set screw
stop screw
14
rubber cluff
15
0
2
1
Any repair on a certified device has to be documented!
This includes the device serial number, repair date, type of repair and name of the repair technician.
Endress+Hauser Maulburg
housing type F12
l
in a
r m
T e
E R
E R
U S
U S
H A
H A
S +
S +
E S
E S
D R
D R
E N
E N
2
The repair has to be performed such, that the
Ex ia circuits
against ground is
terminal
4
module
8
electronics
module
7
9
11
5
7
guide cable
form terminal
socket
module
through opening
Order of exchange:
1
unscrew lid (4 turns)
2
if installed, take display out of holder by pushing the
hook upwards and unplug the display cable
3
unscrew the 2 screws of the cover and remove cover
4
disconnect cables at terminal module
5
press lower hook at module housing slightly inwards and ...
6
... pull front panel off forward
3
7
unplug the connection cable to the terminal module from
the electronics
8
pull terminal module out of the housing
1
9
untighten the 2 mounting screws of the electronic module
10
pull electronic module out of the housing
unplug the cable loom of the sensor
11
12
loosen the set screw on the housing about 1 turn
(hexagon key 4 mm)
13
unscrew the stop screw in the housing about 4 - 5 turns
(hexagon key 2.5 mm)
14
while turning the housing, pull it off from the process
connection
Zusammenbau:
•
grease the O
silicon grease.
Slide housing on to process connection until stop.
•
screw in the stop screw (13) until tight,
then again loosen it ½ to 1 turn
•
slide terminal module into housing, at the same time guide cable
into adjacent space and make sure not to pinch it
•
plug the cable loom from the electronics module at the sonsor
(the sensor can be swivelled)
•
insert electronics module into housing ...
•
9
...at the same time feed cable from the terminal module through
electronics housing, plug into circuit board.
Attention: do not pinch the cable
10
•
put the rubber cluff onto the separating wall
•
f
ix electronic module with 2 screws (9)
10
•
s
et front panel (6) on electronic housing and snap in
the 3 hooks
•
c
onnect power supply cable (4) to terminal module
•
f
ix cover F12 with 2 screws (3)
6
•
front panel
i
f required, plug display (2) onto electronics
•
a
lign the housing in desired position
tighten the set screw (12) well
-ring (15) at the process connection with
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