RADWAG MW-01 Series Manuale utente

User manual

Weighing module MW-01

Manual number:

ITKU-29-05-08-14-A

BALANCES AND SCALES

RADWAG Wagi Elektroniczne, 26–600 Radom Bracka 28 Street - POLAND

Phone +48 48 38 48 800, phone/fax. +48 48 385 00 10

Selling department +48 48 366 80 06

www.radwag.com

AUGUST 2014

CONTENT

1. APPLICATION............................................................................................................................5

2. PRECAUTIONARY MEASURES................................................................................................5

3. WARRANTY CONDITIONS........................................................................................................5

4. TECHNICAL PARAMETERS .....................................................................................................6

4.1.

5. CONSTRUCTION .......................................................................................................................7

INPUT/OUTPUT parameters ................................................................................................7

5.1. External view.........................................................................................................................8

5.2. Dimensions ...........................................................................................................................8

5.3. Interfaces ..............................................................................................................................8

5.3.1.

5.4. Diagrams of connection cables...........................................................................................10

PROFIBUS ..................................................................................................................9

6. INSTALLATION of “MwMANAGER” software.......................................................................12

6.1. Minimal hardware requirements..........................................................................................12

6.2. Installation procedure..........................................................................................................13

7. PC PROGRAM DESCRIPTION................................................................................................16

7.1. Weighing window ................................................................................................................16

7.2. Application settings .............................................................................................................17

7.2.1. Connection settings...................................................................................................17

7.2.2. Language ..................................................................................................................19

7.2.3.

7.3. Parameters .........................................................................................................................20

Other .........................................................................................................................20

7.3.1. User Parameters .......................................................................................................21

7.3.2. Communication settings ............................................................................................22

7.3.3. Functions I/O .............................................................................................................24

7.4. Functions ............................................................................................................................26

7.4.1. Dosing .......................................................................................................................26

7.4.2. Checkweighing ..........................................................................................................30

7.4.3. Input/output state.......................................................................................................31

8. WEIGHING................................................................................................................................32

8.1. .......................................................................................................................32Terms of use

8.2. Zeroing................................................................................................................................33

8.3. Tarring.................................................................................................................................34

8.4. Weighing on dual range scales...........................................................................................34

8.5. Toggling between weight units............................................................................................35

9. SC LE PARAMETERS............................................................................................................36A

9.1. Autozero function ................................................................................................................36

9.2. Median filter ........................................................................................................................37

9.3. Filter ....................................................................................................................................37

10. CHECKWEIGHING.................................................................................................................38

10.1. limit..............................................................................................................................38LO

10.2. MIN/MAX limit ...................................................................................................................38

11. DOSING ..................................................................................................................................39

12. PARAMETERS IN FILE..........................................................................................................40

12.1. Saving to file......................................................................................................................41

1 .2. Uploading file data ............................................................................................................422

13. OFFLINE MODE .....................................................................................................................44

14. COMMUNICATION PROTOCOL............................................................................................45

14.1. General information ..........................................................................................................45

14.2. A set of commands ...........................................................................................................45

14.3. Respond message format.................................................................................................46

14.4. Command’s description ....................................................................................................46

14.4.1. Zeroing....................................................................................................................46

14.4.2. Tarring.....................................................................................................................47

14.4.3. Get tare value .........................................................................................................47

14.4.4. Set tare value..........................................................................................................47

14.4.5. esult in basic unit .........................................................................48Send the stable r

14.4.6. Send the result immediately in basic unit ...............................................................48

14.4.7. Send the stable result in current unit ......................................................................49

14.4.8. Send the result immediately in current unit.............................................................49

14.4.9. Switch on continuous transmission in basic unit.....................................................50

14.4.10. Switch off continuous transmission in basic unit...................................................50

14.4.11. Switch on continuous transmission in current unit................................................50

14.4.12. Switch off continuous transmission in current unit................................................51

14.4.13. Set lower threshold ...............................................................................................51

14.4.14. Set upper threshold...............................................................................................51

14.4.15. Read lower threshold ............................................................................................52

14.4.16. Read upper threshold ...........................................................................................52

14.4.17. Send all implemented commands.........................................................................52

15. COMUNICATION MODULE PROFIBUS................................................................................53

15.1. General information ..........................................................................................................53

15.2. work ..........................................................53Setting instrument’s address in a Profibus net

15.3. Memory map .....................................................................................................................54

15.3.1. Output address .......................................................................................................54

15.3.2. Input address ..........................................................................................................55

15.4. Description of variables.....................................................................................................55

15.4.1. riables......................................................................................................55Output va

15.4.2. Input variables ........................................................................................................57

16. MODBUS COMMUNICATION PROTOCOL...........................................................................60

16.1. Basic information ..............................................................................................................60

16.2. Addressing a device in ModBus network ..........................................................................61

16.3. Register tables in ModBus network ..................................................................................61

16.3.1. Table of output registers .........................................................................................62

16.3.2. Table of input registers ...........................................................................................63

16.4. Software for controller PLC SIEMENS S7-300 .................................................................63

17. ERROR MESSAGES..............................................................................................................64

1. APPLICATION

MW-01 weighing module is intended for conftruction of industrial load cell

scales. Depending on the needs, communication with the module may be

established by the following interfaces: RS232, RS485, Ethernet, Profibus

and ModBus protocol. MW-01 Module may cooperate with PUE 5, PUE 7

terminals or PC computer.

Operating of the weighing module MW-01 from a PC level is carried out with

a computer software “MwManager”. A detailed description of the application

is included in the further section of the MW-01 user manual.

2. PRECAUTIONARY MEASURES

A. Please, read carefully this user manual and use the device according

to its intended use;

B. Weighed loads should be placed possibly in the central setion of the

weighing platform;

C. The weighng platform should be loaded with objects which gross

weight does not exceed the maximal capacity of the scale;

D. Do not leave heavy loads on the weoghing patform for longer period

of time;

E. In case of failure, immediately disconnect the power supply;

F. Devices that are to be decommissioned should be utilized according

to valid legal regulations.

3. WARRANTY CONDITIONS

A. RADWAG is obliged to repair or change those elements that appear

to be faulty because of production and construction reason,

B. Defining defects of unclear origin and outlining methods of their

elimination can be carried out only in participation of the user and

the manufacturer representatives,

C. RADWAG does not take any responsibility connected with defecting

or loss deriving from unauthorized or inappropriate (not adequate

to manuals) production or service processes,

D. Warranty does not cover:

•Mechanical failures caused by inappropriate exploitation

of the device or failures of thermal or chemical origin or

•Defects caused by atmospheric discharge, overvoltage in mains

or other random event,

•Maintenance activities (cleaning of the weighing module).

E. Warranty loss appears if:

•A repair is carried out by an unauthorized service,

•Intrusion into mechanical or electronic construction

of unauthorized people,

•Removing or destroying protection stickers for the weighing module

F. The detailed warranty conditions are listed in the warranty certificate.

G. Contact with Authorized Service: +48 48 384 88 00 ext. 106 or 107.

4. TECHNICAL PARAMETERS

MODEL MW-01 ver.1 MW-01 ver.2

Interface RS232, RS485,

Ethernet RS232, PROFIBUS

Power Supply 8 ÷ 30VDC

Housing metal

IP rating IP 66

Working temperature -10°C ÷ 40°C

OIML class III

Number of verification intervals 10 000

Max. increase of input signal 19,5mV

Min. voltage per verification division 0,5µV

Min. load cell impedance 80Ω

Max. load cell impedance 1200Ω

Load cell excitation voltage 5VDC

Load cell connectivity 4 or 6 wire shielded cable

Number of weighing platforms 1

2INE/3OUT Standard

Transmission Speed RS232 RS485 Default 57600 bit/s

4.1. INPUT/OUTPUT parameters

The module features 2 optoisolated inputs, 2 reed relay outputs

and fast transistorized output type open collector.

OUT1 – OUT2 Parameters

Number of outputs 2

Type of outputs Reed operating contact

Conductor intersection 0.14 – 0.5mm2

Maximum switchable current 200mA

Maximum conducted voltage 50VDC

Output OUT3 Parameters

Number of outputs 1

Type of outputs Transistor

Umax 5VDC

Imax 100mA

Input Parameters

Number of inputs 2

Type of inputs Optocoupled

Conductor intersection 0.14 – 0.5mm2

Control voltage range 5 -24V DC

5. CONSTRUCTION

Weighing module comprises metal housing. Signal cables are fed through

cable glands. Communication with the peripheral devices is established by

one of the following interfaces: RS485, RS232, Ethernet, Profibus.

The weighing module enables cooperation with indicators or PC computers.

It features 2 optoisolated inputs, 2 reed relay outputs and one fast transistor

output. The weighing module is supplied form 8÷30VDC.

5.1. External view

Fig.1 Weighing module MW-01

5.2. Dimensions

Fig.2 Dimensions of the MW-01

5.3. Interfaces

MW-01 ver.1 has cables fed through cable glands.

MW-01 ver.2 has 2 sockets (PROFIBUS IN and PROFIBUS OUT),

RS232 is fed though cable gland.

Fig.3 Location and marking of interfaces for MW-01 main board

5.3.1. PROFIBUS

MW-01 module, version 2, is equipped with input and output socket for PROFIBUS.

The volatage, indispensable for correct operation of a terminator is 5VDC on an output

socket. Available socket standard is M12 5 pin B coded (for DP PROFIBUS).

Sockets’ topology:

PROFIBUS IN

(male)

Pin1 – NC

Pin2 – A

Pin3 – NC

Pin4 – B

Pin5 – NC

PROFIBUS OUT

(female)

Pin1 - +5V

Pin2 – A

Pin3 – GND

Pin4 – B

Pin5 – NC

5.4. Diagrams of connection cables

RS232 cable

Fig. 4 PT0145 Cable

RS485 cable

Fig. 5 PT0012 Cable

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