Samson Media 5 Manuale di servizio
IP 9519-1 EN (100050753)
Edition September 2020
These instructions supplement the mounting and operating instructions EB9519, which con-
tains detailed information on the Media5 Differential Pressure and Flow Meter.
Current output option module installed in the indicating unit
1 Nameplate
A self-adhesive nameplate is in-
cluded in the retro t kit for the
option module. It must be af xed
to the indicating unit after the
option module is installed. A
nameplate is already af xed
when the option module is al-
ready installed upon delivery.
1Firmware version
2 Material number
3 Serial number
4 QR code to go to
product documentation
3
1
2
WARNING - POTENTIAL ELECTROSTATIC
CHARGING HAZARD - SEE INSTRUCTIONS
Module
Made in Germany
SAMSON AG, Germany
Firmware
Material
5005-0
I =
4 to 20 mA
, U
=
12 to 36 V DC
OUT
IN
Serial no.
4
12 3
4
0044
5005-3
I= 4 to 20 mA, U = 12 to 28 VDC
OUTIN
FirmwareMaterial Serial no.
SAMSON AG, Germany
WARNING - POTENTIAL ELECTROSTATIC CHARGING HAZARD
-20 °C ≤ Ta ≤ +70 °CSEE INSTRUCTIONS
Made in Germany
Ex ia IIC T4 Gb
IECEx KIWA 19.0013X II 2 G Ex ia IIC T4 Gb
KIWA 19 ATEX 0023 X
U ≤ 28 V DC; I ≤ 115 mA; P ≤ 1.0 W; C ≈ 10 nF; L ≈ 0 mH
iiiii
Nameplate of version without explosion protection:
Nameplate of version with explosion protection:
Media5·Optionmodulewith4to20mAcurrentoutput
Firmware version 1.02
2 IP9519-1EN
Design and principle of operation
2 Design and principle of oper-
ation
The option module with a 4to20mA
current loop can be added to the Media5
Differential Pressure and Flow Meter. It
allows the measured value to be
electronically processed for measuring and
control tasks. The loop current is proportional
to the pressure and is measured from the
pointer position of the Media5 device
without any contact or interference.
The option module is installed in the Media5
device. When ordered together with the
Media5 device, it is installed already in the
delivered state. In all other cases, it can be
retro tted by the customer.
1Printed circuit board with operating controls
2 Terminal board
3Magnetoresistive measuring system with mating
plate
4Self-adhesive dot on lm
5 Cable gland
6 Nameplate (label)
Nameplate
(label)
1
2
3
4
5
6
Fig.1: Current output option module
Notes on explosion protection
The option module is available in two differ-
ent versions:
The following applies to the version with
explosion protection (100049064):
1. When working on explosion-protected
versions of the option module, personnel
must undergo special training or instruc-
tions or be authorized to work on explo-
sion-protected devices in hazardous ar-
eas.
2. The current loop must be supplied only
by a supply unit which has a equivalent
or higher explosion protection approval.
Its electrical connection data must be
lower or identical to those in the explo-
sion protection certi cate of the
Type5005-3 device.
3. Permission to operate the option module
in hazardous areas becomes void after
the following events:
–Oneofthepermissibleelectrical
values listed in the explosion-
protectioncerticateisexceeded,
evenwhenonlybriefly.To continue
operation of the option module in
hazardous areas in such cases,
SAMSON or a person with the
corresponding quali cations must
provide eviden that all safety/
protection features within the device
or module are fully effective.
–Thespecicationsdescribedin2.for
thesupplyunitarenotobserved.
Operation of the option module must
not be continued in such cases. The
option module must be replaced.
IP 9519-1 EN 3
Design and principle of operation
The following applies to the version without
explosion protection (100033844):
−Use of the option module in hazardous
areas is not permissible.
2.1 Technical data
4to20mAcurrentoutput Module100049064
with explosion protection1)
Module100033844
without explosion protection
Version Magnetoresistive measuring system
Supply voltage UB12 to 28V DC 12 to 36V DC
Output signal 4 to 20mA, two-wire system according to DIN66258
Perm. load RB in Ω RB=(UB–12V)/0.020A|(R≤600Ω at 24V and 20mA)
Power consumption 0.252mW for 12VDC and 21mA
Settings Zero calibration|Span calibration|Characteristic selection|Test
function
Characteristic
Output and reading linear or square root extraction depending
on installed ow characteristic
Characteristic set at the factory
Deviation from terminal-based
linearity <±0.2%, related to 270° measuring span
Sensitivity <±0.05%, related to 270° measuring span
Effect of ambient temperature in
the range from –40 to +80°C <0.1%/10K for zero and span
Type of protection ATEX: II 2 G Ex ia IIC T4 Gb
IECEx: Ex ia IIC T4 Gb –
Conformity
1) The technical data for the explosion-protected devices may be restricted by the limits specied in the
test certicates.
4 IP9519-1EN
Installation
3 Installation
Risk of fatal injury due to the ignition of an
explosive atmosphere.
ÎFor mounting and electrical installation in
hazardous areas, observe the explosion
protection approvals as well as the
relevant electrotechnical regulations and
the accident prevention regulations that
apply in the country of use. EN60079-
14 applies in Europe.
ÎInstallation, operation or maintenance of
the differential pressure and ow meter
must only performed by personnel with
qualications according to Clause4.5 of
IEC60079-14 who has undergone
special training or instructions or who is
authorized to work on explosion-
protected devices in hazardous areas.
Dial screws
Housing screws
Cover plate
Fig.3: Standard version of Media5·Indicat-
ing unit with cover plate
1. Undo the four housing screws. Remove
the housing cover.
2. Unscrew the two dial plate screws and
remove the cover plate. Retighten dial
plate screws.
3. Place the magnetoresistive measuring
system on the pointer.
– Self-adhesive dot on lm: pull off
brown backing.
– Stick the lm with self-adhesive dot,
adhesive side facing downward, cen-
trally on the pointer axis.
– Pull off lm. Make sure that the
self-adhesive dot remains stuck on.
– Place the magnetoresistive measuring
system, with the arrow pointing to-
ward the pointer, onto the pointer
axis. Press it down.
Pointer axis before
attachment
Pointer axis with self-
adhesive dot·Film pulled
off
Fig.4: Attaching the magnetoresistive measur-
ing system
4. Turn the pointer from the zero position to
the approx. 90° position.
DANGER
!
IP 9519-1 EN 5
Installation
5. Slide the mating plate underneath the
pointer and magnetoresistive measuring
system to fasten the elements together.
Make sure it ts properly. Pay attention
to the counterweight at the end of the
pointer.
Pointer in zero position
with attached
magnetoresistive
measuring system
Mating plate pushed on
Magnetoresistive measur-
ing system with mating
plate
Magnetoresistive
measuring
system
End of pointer
with counter-
weight
Mating plate Pointer axis
Pointer
Fig.5: Fixing the magnetoresistive measuring
system
6. If the terminal board has not yet been
connected, connect the connecting cable
and connector at the back of the printed
circuit board.
Plug the micro connector into the socket
on the printed circuit board.
Connector
Fig.6: Back of the printed circuit board
Connector for the terminal board
7. Place on the current output option mod-
ule with connected terminal board in
place of the cover plate.
Three fastening
screws (Phillips
Z1)
Fig.7: Current output option module
Fastening screws
8. Fasten the option module using the three
fastening screws (Phillips Z1)
6 IP9519-1EN
Installation
9. Insert the terminal board at the side un-
derneath the dial plate.
Use Phillips screwdriver to tighten the
retaining screw.
10. Insert the connecting cable into the guid-
ing of the indicating unit.
Fig.8: Inserting the terminal board
11. Guide the measuring signal lines (min.
8mm stripped length) through the cable
gland and connect them to the spring-
cage terminal (31, 32) on the terminal
board (see Fig.9). Observe the correct
polarity.
Measuring signal connection
The option module with current output is de-
signed as a two-wire system.
~
31+
32–
31+
32–
Fig.9: Measuring signal connection in two-
wire system
The option module consists of an actively
controlled current loop with a 4 to 20mA
loop current. This current depends on the
position of the pointer on the Media5
device:
−Pointer position 0 to 270° corresponds
with the 4to20mA loop current.
The measuring signal and supply voltage of
the option module are transmitted by the
same pair of wires. It is connected to the ter-
minal board over two spring-cage terminals.
Fig.10:Connecting the measuring signal lines
on the terminal board
The Media5 Differential Pressure and Flow
Meter supplies a 4 to 20mA current regard-
less of the supply voltage.
Risk of the supply voltage falling lower
than the required level due to the use of a
shunt.
ÎTo maintain the functioning of the option
module when a shunt is used, apply the
following formula to take the loop volt-
age into account: ULoop-min = 12V +
(Rshunt x 21mA)
NOTICE
!
IP 9519-1 EN 7
Installation
3.1 Settings
The option module has a green LED (1) and
a red LED (2) as well as a key (3) and
key (4) to perform settings.
34
12
Fig.11:Operating controls
Green LED Status indication (standard opera-
tion)
Red LED
Error indication (LED permanently
on)
Press key to conrm. The unit is
restarted.
key
Execute/conrm
The red LED blinks briey once to
indicate that a function is being
performed. After completion, the
unit returns to standard operation.
key Select function/data
The green LED indicates standard operation
of the option module. Four different levels
can be selected.
Press the key to change between levels.
The LED blinking pattern indicates which
level has been selected.
Level Blinking pattern
Zero calibration
Span calibration
Characteristic
4mA/20mA ammeter
Zerocalibration
The electric zero is adapted to the mechani-
cal zero. As a result, a 4mA signal is also
issued at Δp=0bar corresponding to the
pointer's zero point.
Zero can be calibrated in the scale range
between approx. –5° and 135° (see
Fig.12).
Activate zero calibration level
Key LED Function
1x key
Green
Blinking pattern
key Red
Zero calibration active
The red LED blinks briey once
to indicate that calibration is in
progress. Current pointer
position
=
4mA.
Green
Change to standard operation
The red LED is permanently lit (error indica-
tion) if the calibration range is exceeded.
Spancalibration
The measuring span can be calibrated con-
tinuously without affecting zero or the mea-
suring accuracy (see Fig.12). The pointer
position corresponds to the end point with
20mA output signal.
As a result, the end points can easily be
adapted to the measured medium, especially
when attachable or multiple dial plates are
used.
8 IP9519-1EN
Installation
A measuring span calibration is possible in
the pointer range >95° (based on the point-
er's zero point, see Fig.12).
The red LED is permanently lit (error indica-
tion) if the calibration range is exceeded.
Activate span calibration level
Key LED Function
2x key
Green
Blinking pattern
key Red
Span calibration active
The red LED blinks briey
once to indicate that calibra-
tion is in progress. Current
pointer position
=
20mA.
Green
Change to standard opera-
tion
270°
>95°
135°
0°
≈ –5°
Zero adjustment range
Span adjustment range
Fig.12:Zero and span calibration ranges
Characteristic
Three characteristics are available.
−Linear
−Root-extracting
−User-dened (factory set-
ting)
Activate characteristic level
Key LED Function
3x key
Green
Blinking pattern
key Red
The blinking pattern indicates
which characteristic is currently
selected.
key Red
Every time the key is pressed,
the blinking pattern changes:
Blinking pattern
=
Characteris-
tic.
key Red Conrm.
Green
Change to standard operation
4mA/20mAammeter
To calibrate the assessment unit, 4 and
20mA test signals are issued.
Activate 4mA/20mA ammeter level
Key LED Function
4x key
Green
Blinking pattern
key Red Blinking pattern
=
4mA output.
key Red Blinking pattern
=
20mA output.
key Red Exit function.
Green
Change to standard opera-
tion
IP 9519-1 EN 9
Servicing explosion-protected devices
Canceling operation
Operation can be canceled at all times with-
out data being saved.
ÎPress key together with the key:
The option module returns to standard
operation.
Error message
A permanently lit red LED indicates an error
(e.g. zero or span calibration range exceed-
ed, ammeter defective).
ÎPress key to conrm.
The option module is restarted and goes
into standard operation.
Operationtimeout
If no key is pressed within three minutes
while a level is active, the unit automatically
returns to standard operation.
The option module returns to standard
operation.
4 Servicing explosion-protected
devices
ÎObserve the following for servicing
equipment in a section relevant for ex-
plosion protection:
– It must not be put back into operation
until a qualied inspector has
assessed the equipment according to
explosion protection requirements,
has issued an inspection certicate or
given the device a mark of
conformity. Inspection by a qualied
inspector is not required if the
manufacturer performed a routine
test on the device before putting it
back into operation. Document the
passing of the routine test by
attaching a mark of conformity to the
device.
– Replace explosion-protected
components only with original,
routine-tested components by the
manufacturer.
– Devices that have already been used
outside hazardous areas and are
intended for future use inside
hazardous areas must comply with
the safety requirements placed on
serviced devices. They must be
subjected to testing according to the
specications in EN60079-19.
– EN60079-19 applies to servicing
explosion-protected devices.
– Use the protective cable designed by
SAMSON when interconnecting non-
intrinsically safe set point calibrators
with intrinsically safe equipment for
repair, calibration etc. to ensure that
components relevant to explosion
protection are not damaged.
2020-09-11 · English
SAMSON AKTIENGESELLSCHAFT
Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany
Phone: +49 69 4009-0 · Fax: +49 69 4009-1507
IP 9519-1 EN
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