Zenner Multidata Manual de usuario

multidata

Installation and operating manual

changeover heating/cooling meter

or calculators for cooling meters only

with 2 additional inputs/outputs

optionally with M-Bus, RS 232 and RS 485

EnergyMetering

All that counts.

General information

With multidata you have acquired one of the

most up-to-date, modern heat calculator cur-

rently available on the market.

The calculator for changeover heating/cooling

meters can be identied by the inscription “change

over” on the front of the body, the cooling meters

by the inscription “cooling”. Calculators for heat-

ing meters only don’t have any specic inscription.

Expressive symbols in the display and easy menu

navigation make readout simple.

It can be operated with one single button. The

setting of the data loggers (depending on the

type of device) is being done via the software

GMM.

The calculator is equipped with a long-life battery

made for operation during the initial verication

validity period (5 years) including a reserve of at

least another year. With a second battery you will

reach 11 years.

Initial veriﬁcation

The heating energy metering part of the multi-

data is manufactured and tested according to

the new European Measuring Instrument Direc-

Technical data

Temperature range °C 1 - 150

Temperature difference range k 3 - 120

Diplay Multifunctional LCD, 8-digit, oating

Display unit MWh, kWh, GJ, MJ

Interface ow sensor Models with contact pulsers or active pulser

(

No Namur or Opto, Passive max 1hz/ active max. 100Hz)

Temperature sensor connection PT500, optional PT100, PT1000

Max. cable length temperature sensor 2 wire

12.5 m (PT500), 2.5 m (PT100), 20 m (PT1000)

Max. cable length temperature sensor 4 wire

20 m

Interfaces optical, optionally ZR-Bus (RS 485), M-Bus, RS 232,

remote readout outputs

Ambient temperature °C 5 - 55

Power supply Battery 3.6 V Lithium,

optionally mains power supply 230V/24V

Battery lifetime 6 years, optionally 11 years

Protection class IP 54 / IP 65, acc. to DIN 40050

Mechanical/electro-magnetic class

M1/E1

Accuracy class according to EN1434

Measuring cycle dynamic 40s/30s/10s

tive. The Year of the Declaration of Conformity

is specied with the EC conformity mark (e.g.

M10). The cooling energy metering part is manu-

factured and tested according to the instructions

of the PTB Instruction TR K7.2. The initial veri-

cation stamp informs about the year of the rst

calibration (e. g. 10).

For legal metrology devices, the national regu-

lations still apply within the EU. The duration of

initial verication validity in Germany remains 5

pulse

52/

GND

pulse

VCC 2,5 … 3,6 V

U = 3 … 30 V

Imax = 20 mA

53/

52/

53/

52/

53/

GND

Uhigh = 2,5 … 3,6 V

Ulow = 0 … 0,3 V

pulse

52/

GND

pulse

VCC 2,5 … 3,6 V

U = 3 … 30 V

Imax = 20 mA

53/

52/

53/

52/

53/

GND

Uhigh = 2,5 … 3,6 V

Ulow = 0 … 0,3 V

pulse

52/

GND

pulse

VCC 2,5 … 3,6 V

U = 3 … 30 V

Imax = 20 mA

53/

52/

53/

52/

53/

GND

Uhigh = 2,5 … 3,6 V

Ulow = 0 … 0,3 V

pulse

52/

GND

pulse

VCC 2,5 … 3,6 V

U = 3 … 30 V

Imax = 20 mA

53/

52/

53/

52/

53/

GND

Uhigh = 2,5 … 3,6 V

Ulow = 0 … 0,3 V

pulse

52/

GND

pulse

VCC 2,5 … 3,6 V

U = 3 … 30 V

Imax = 20 mA

53/

52/

53/

52/

53/

GND

Uhigh = 2,5 … 3,6 V

Ulow = 0 … 0,3 V

1 Hz Version: fmax = 1 Hz, Pulse-duty factor 1:1 to 1:9 Input

capacitance: approx. 10 nF, Input resistance approx 850 kOhm

100 Hz Version: not allowed

fmax = 1 Hz,

Pulse-duty factor 1:1 to 1:9

Input capacitance: approx. 15 nF,

Input resistance approx 470 kOhm

Ext. Voltage 3V … 30 V DC

Max. current 20 mA

Output frequency 1 Hz (8 Hz dynamically switching, if output

with 1 Hz is not possible)

Switching times: 1 Hz: 400ms < tp < 600 ms

8 Hz: 50ms < tp < 80 ms

1 Hz Version: fmax = 1 Hz, Pulse-duty factor 1:1 to 1:9 Input

capacitance: approx. 10 nF, Input resistance approx 850 kOhm

100 Hz Version: fmax = 30 Hz, Pulse-duty factor 1:1 Input capa-

citance: approx. 2,5 nF, Input resistance approx. 850 kOhm

fmax = 1 Hz,

Pulse-duty factor 1:1 to 1:9

Input capacitance: approx. 15 nF,

Input resistance approx 470 kOhm

1 Hz Version: fmax = 1 Hz, Pulse-duty factor 1:1 to 1:9

Uhigh = 2,5 … 3,6V, Ulow = 0 … 0,3 V, Input capacitance:

approx. 10 nF, Input resistance approx 850 kOhm

100 Hz Version: fmax = 100 Hz, Pulse-duty factor 1:1

Uhigh = 2,5 … 3,6V, Ulow = 0 … 0,3 V, Input capacitance:

approx. 2,5 nF, Input resistance approx. 850 kOhm

Passive with

mechanical contact

(Reed)

Passive with

mechanical contact

(Reed)

Passive with

open drain FET

Passive with open

drain FET

Active f.ex. with

C-MOS Gate

pulse

52/

GND

pulse

VCC 2,5 … 3,6 V

U = 3 … 30 V

Imax = 20 mA

53/

52/

53/

52/

53/

GND

Uhigh = 2,5 … 3,6 V

Ulow = 0 … 0,3 V

Typical connection

pulse

52/

GND

pulse

VCC 2,5 … 3,6 V

U = 3 … 30 V

Imax = 20 mA

53/

52/

53/

52/

53/

GND

Uhigh = 2,5 … 3,6 V

Ulow = 0 … 0,3 V

pulse

52/

GND

pulse

VCC 2,5 … 3,6 V

U = 3 … 30 V

Imax = 20 mA

53/

52/

53/

52/

53/

GND

Uhigh = 2,5 … 3,6 V

Ulow = 0 … 0,3 V

Flow sensor input

Electrical connection Schematic diagram Connection data

Technical data additional inputs

Connection data outputs

Technical data ﬂow sensor input

Switch Connection 2-wire Connection 4-wire

1 2 3 4 10 11 9 50 51 52 53 54 55 71 72 73 74

Connector pin assignment

Temperature sensors

2-wire measurement

Supply 1 - 2

Return 3 - 4

4-wire measurement (optionally)

Supply 1 - 2 / 5 - 6

Return 3 - 4 / 7 - 8

Flow sensor

Flow sensor pulse 10

GND 11

Input/Output

I/O 1 pulse 52

GND 53

I/O 2 pulse 54

GND 55

M-Bus

M-Bus L1 24

L2 25

RS-232

DTR 71

GND 72

Tx 73

Rx 74

RS-485

+UB 71

GND 72

A 73

B 74

Depending on the model

the version of the connec-

tion board can differ.

years for heat meters. After this period has ex-

pired, the measuring device may no longer be

used for billing in commercial use. The regula-

tions resp. validity period may vary in other coun-

tries of the EU.

Electro-magnetic interference

multidata fullls the national and international

requirements for interference resistance. To

avoid malfunctions due to other interferences,

do not install uorescent lamps, switch cabinets

or electric devices such as motors or pumps in

the immediate vicinity of the meter (minimum

distance 1 m). Cables leaving the meter should

not be laid parallel to live cables (230V, mini-

mum distance 0.2 m).

Declaration of Conformity

ZENNER International GmbH & Co. KG declares

that this product with the number of the EC type-

examination certicate DE-08-MI004-PTB012

complies with the requirements of the EC direc-

tives 2004/22/EC (Measuring instruments direc-

tive) and 89/336/ EEC (electro-magnetic com-

patibility). The most up-to-date information about

this product and of our installation notice can be

found at www.zenner.com

If water meters with a potential free reed con-

tact are connected to the inputs there are free

of polarity.

Take care of the polarity when the pulse outputs

are connected to BMS.

The connectors are given twice for the incoming

and outgoing of the M-bus wire.

Communication

At calculators for changeover heating/cooling me-

ters the rst pulse output (l/O 1) gives the heating

energy and the second output (I/O 2) the cooling

energy information.

The pulse value is permanently set and corre-

sponds with the last position of the associated

display value.

Example:

Output 1 = energy output

Energy display = XXXXX.XX MWh

Last position = 0.01 MWh = 10 kWh

Output pulse = 10 KWh

The calculator can be ordered with two inputs op-

tionally. The pulse value can be called up in the

display (see the display overview, Level 1).

M-Bus (optional)

The optional M-Bus interface complies with the

norm EN 1434-3 and operates with 2400 baud

xed. It can be set to 300/9600 baud if necessary.

The display resolution shall be selected such that

the display can not run over within a period of one

year.

Dimensions

Height: H = 106 mm

Width:B = 126 mm

Depth:T = 54 mm

Subject to modications and errors excepted. Any liability for misprints excluded. SAP129376_150622_EN

Installation instructions

Safety instructions

The installation has to be done by qualied per-

sonnel. Read the instructions carefully right up to

the end before starting to mount the device.

The current laws and regulations have to be

observed, especially EN 1434 part 1+6, (in Ger-

many also AGFW directive FW202 and DIN 4713

part 4 and the initial verication directive).

At devices with communication interfaces or

mains supply the general technical rules and the

correspondent regulations have to be followed.

While demounting ow sensors and temperature

sensors make sure no heating water escapes

from the pipe – this can cause burns!

Close valves and release pressure before instal-

lation.

General Information

Take care of:

■the display must readable at all times

■to avoid malfunctions due to other interfe-

rences do not install uorescent lamps, switch

cabinets or electric devices such as motors or

pumps in the immediate vicinity of the meter

(minimum distance 1 m)

■all welding must be nished

■the ambient temperature must not exceed

55°C

■the type of temperature sensor must corres-

pond with the calculator

■the pulse value of the ow sensor must corres-

pond with the one from the calculator

At cooling meters for use within German metrol-

ogy all the components must be calibrated and

labelled accordingly.

For use as changeover heating/cooling meters

all the components must be labelled both for EC

conformity declaration and or national initial veri-

cation.

The calculator has 7 screwed cable glands for

wires with a diameter between 4.2 and 10 mm.

Keep unused glands closed.

Mind the connection order: temperature sensors

rst, ow sensor afterwards!

multidata is delivered ready for operation. It does

not need any settings or adjustings.

ZENNER International GmbH & Co. KG

Römerstadt 6

D-66121 Saarbrücken

Telefon +49 681 99 676-30

Telefax +49 681 99 676-3100

E-Mail info@zenner.com

Internet www.zenner.com

Installation heat calculator

ZENNER recommends to mount the calculator

on the wall. Do not mount the device at the pipe

or attach it directly on the ow sensor.

The mounting adapter at the backside of the cal-

culator can be used for rail mounting or for wall

mounting.

For wall mounting detach the adapter and turn it

180°, attach with at least two screws to the wall

and clip the calculator on it.

For rail mounting lift the adapter a little bit, place

the calculator on the rail and push the adapter

back until it locks.

Connection sensors

The mounting of the temperature sensors should

be done symmetrical with direct immersion. If

immersion sleeves are used they have to be

checked for conformity to MID and have to be

marked accordingly. The installation of immer-

sion sleeves has to be done according to DIN

EN 1434-2.

■The sensor cables are marked with colors (red

= supply, blue = return with respect to the heat-

ing system).

■Do not buckle, extend or shorten the wires!

■Do only use paired sensors with the same se-

rial number on it.

■At 2-wire systems the cable length of the tem-

perature sensor for supply and return should

not exceed 2.5 m for PT100, 12.5 m for PT500

and 20m for PT1000.

■At 4-wire systems the maximum cable length

is 20 m.

■Consider EN 1434-2 regarding the diameter of

the wires.

■Supply and return sensors must be inserted

into the immersion sleeves completely.

■Installation points in the ow sensor can be

used for symmetrical installation of the tem-

perature sensors

■Seal temperature sensor after installation to

prevent unauthorized demounting (seals in-

cluded).

■Do not wrap or install wires along hot pipes.

Switch 2-/4-wire

Calculators equipped with 4-wire measuring sys-

tem can be switched to 2-wire with the switch on

the top left side of the connection board.

Switch to the left for 2-wire, switch position on the

right for 4-wire measurement.

Rail mounting Wall mounting

Connection ﬂow sensor

The total length of the wire between ow sensor

and calculator should not exceed 10 m.

With mechanical ow sensors the connection or-

der is not relevant.

Mind the polarity at electronic ow sensors.

External power supply

A small vertical line appears in the display when

the optional external power supply is on service.

In case of a failure of the external power sup-

ply the devices switches automatically to battery

supply.

The battery lifetime can be checked in the dis-

play (level 3). After having reached the date the

battery has to be replaced if needed.

Operation test

Check the changeover heating/cooling meters

after installation for any error code (installation

error); errors see table for error codes Most of

the errors can be deleted by pressing the button.

If the error appears permanently, it will be de-

tected at the next measuring cycle and displayed

again.

Check weather the volume information is updat-

ed and the displayed temperatures correspond

to the present ones while the system is running

(measuring cycle 2 minutes max.).

When attaching the top cover on the housing

pulses on the inputs can possibly be generated.

Check readings of the inputs and correct if ne-

cessary.

Sealing

Seal the device with the included seals to pre-

vent unauthorized opening.

Maintenance

Repairs or overhaul are only allowed by the

manufacturer or companies authorized by the

manufacturer.

Care instructions

Clean plastic surfaces with a damp cloth only.

Do not use any scouring or aggressive cleaning

The device is maintenance-free during

the service life.

Status display / Error codes

The symbols in the table below show the meter’s operational status. The status messages only appear

in the main display (energy)! The temporary display of the warning triangle can be caused by special

operating states and does not always mean that the device is malfunctioning. However, should the symbol

be displayed over a longer period of time you should contact the service company.

Error codes show faults detected by multidata. If more than one error appears, the sum of the error

codes is displayed: Error 1005 = error 1000 and error 5.

Symbol Status Event

Flow existent -

Attention! Check system / device for errors

Data transmission -

Emergency operation Exchange device

External power supply -

Code Error Event

1 Short-circuit return sensor

Check sensors, replace if needed

2 Interruption return sensor

Check sensors, replace if needed

3 Short-circuit supply sensor

Check sensors, replace if needed

4 Interruption supply sensor

Check sensors, replace if needed

5 Hardware error Exchange device

6 Battery empty or wrong temp. sensor Check device / sensor

Temperatures out of measuring range

Correction heating system

100 Emergency operation Exchange device

1000 Battery life time exceeded Exchange device

2000 Initial verication expired Exchange device

> 8000 Internal hardware error Exchange device

Level 1 Level 2

You can switch levels at

any point in the menu.

Energy at SRD

SRD

SRD value counter 1

SRD value counter 2

Energy consumption current month

Date month heating energy Monthly value heating energy

Date month cooling energy

Date month input 1

Monthly value cooling energy

1. Monthly value input 1

Input 1 current monthly consumption

Input 2 current monthly consumption

Serial number

Customer number

Serial number input 1

Serial number input 2

Pulse value counter 1

Pulse value counter 2

Sensor type and installation point

Pulse value

Basic conﬁguration

Model number

End of Battery lifetime

Time

Date

M-bus address

Baud rate

Input display

Error status

Software version

Energy (main display)

Cooling Energy

Volume

Volume counter 1

Volume counter 2

Segment test

Supply temperature

Return temperature

Temperature difference

Flow

Instantaneous power

Maximum ﬂow, Average value per

hour since commissioning

Maximum power, Average value

since commissioning

Cooling energy at SRD

Cooling energy consumption

current month

Date month maximum ﬂow

Monthly logger

Maximum ﬂow and power

Maximum 10 previous month values

Average value per hour

maximum ﬂow

Date month maximum power Average value per hour

maximum power

H H

Date month input 2 2. Monthly value input 2

Monthly logger meter reading

Maximum 24 previous month values

Reading residual energy

Note

Depending on your multida-

ta its displays can differ in

number and order from those

shown here.

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