Samson Media 5 Service manual

IP 9519-1 EN (100050753)

Edition September 2020

These instructions supplement the mounting and operating instructions EB9519, which con-

tains detailed information on the Media5 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

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

Serial no.

12 3

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:

Media5·Optionmodulewith4to20mAcurrentoutput

Firmware version 1.02

2 IP9519-1EN

Design and principle of operation

2 Design and principle of oper-

ation

The option module with a 4to20mA

current loop can be added to the Media5

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 Media5 device

without any contact or interference.

The option module is installed in the Media5

device. When ordered together with the

Media5 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)

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

Type5005-3 device.

3. Permission to operate the option module

in hazardous areas becomes void after

the following events:

–Oneofthepermissibleelectrical

values listed in the explosion-

protectioncerticateisexceeded,

evenwhenonlybrieﬂy.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.

–Thespecicationsdescribedin2.for

thesupplyunitarenotobserved.

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

4to20mAcurrentoutput Module100049064

with explosion protection1)

Module100033844

without explosion protection

Version Magnetoresistive measuring system

Supply voltage UB12 to 28V DC 12 to 36V DC

Output signal 4 to 20mA, two-wire system according to DIN66258

Perm. load RB in Ω RB=(UB–12V)/0.020A|(R≤600Ω at 24V and 20mA)

Power consumption 0.252mW for 12VDC and 21mA

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%/10K 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 specied in the

test certicates.

4 IP9519-1EN

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. EN60079-

14 applies in Europe.

ÎInstallation, operation or maintenance of

the differential pressure and ow meter

must only performed by personnel with

qualications according to Clause4.5 of

IEC60079-14 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 Media5·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 IP9519-1EN

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.

8mm 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 20mA

loop current. This current depends on the

position of the pointer on the Media5

device:

−Pointer position 0 to 270° corresponds

with the 4to20mA 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 Media5 Differential Pressure and Flow

Meter supplies a 4 to 20mA 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 = 12V +

(Rshunt x 21mA)

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.

Fig.11:Operating controls

Green LED Status indication (standard opera-

tion)

Red LED

Error indication (LED permanently

on)

Press  key to conrm. The unit is

restarted.

 key

Execute/conrm

The red LED blinks briey 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

4mA/20mA ammeter

Zerocalibration

The electric zero is adapted to the mechani-

cal zero. As a result, a 4mA signal is also

issued at Δp=0bar 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 briey once

to indicate that calibration is in

progress. Current pointer

position

4mA.

Green

Change to standard operation

The red LED is permanently lit (error indica-

tion) if the calibration range is exceeded.

Spancalibration

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

20mA 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 IP9519-1EN

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 briey

once to indicate that calibra-

tion is in progress. Current

pointer position

20mA.

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-dened (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 Conrm.

Green

Change to standard operation

4mA/20mAammeter

To calibrate the assessment unit, 4 and

20mA test signals are issued.

Activate 4mA/20mA ammeter level

Key LED Function

4x key

Green

Blinking pattern

 key Red Blinking pattern

4mA output.

 key Red Blinking pattern

20mA 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 conrm.

The option module is restarted and goes

into standard operation.

Operationtimeout

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 qualied inspector has

assessed the equipment according to

explosion protection requirements,

has issued an inspection certicate or

given the device a mark of

conformity. Inspection by a qualied

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

specications in EN60079-19.

– EN60079-19 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

[email protected]om · www.samsongroup.com

IP 9519-1 EN

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