Pavone Systems MCT 1302 Manuale utente

PAVONESYSTEMS

TECHNICAL MANUAL

MCT 1302 Touch screen batching version with RS232 serial, analog and Fieldbus

output Software version PW1507

Page II

Rel ID 19230101 SW 1.1

Page 1

TABLE OF CONTENTS

PRECAUTIONS.............................................................................................. Page 2

INTRODUCTION ........................................................................................... Page 3

TECHNICAL FEATURES................................................................................... Page 5

INSTALLATION .............................................................................................. Page 5

FRONT PANEL OF THE INSTRUMENT .............................................................. Page 16

MAIN SCREEN.............................................................................................. Page 17

INFO DISPLAY ............................................................................................... Page 19

OPERATING FUNCTIONS .............................................................................. Page 20

BATCHING RECIPES SELECTION ..................................................................... Page 22

MENU STRUCTURE ........................................................................................ Page 26

USER MENU ................................................................................................. Page 27

BATCHING PARAMETERS MENU..................................................................... Page 35

HARDWARE TEST MENU................................................................................ Page 39

INPUT/OUTPUT MENU .................................................................................. Page 40

ACCESSING THE SETUP................................................................................. Page 41

CALIBRATION................................................................................................ Page 42

ANALOG OUTPUT PARAMETERS..................................................................... Page 47

SERIAL OUTPUT PARAMETERS......................................................................... Page 48

WEIGHING PARAMETERS .............................................................................. Page 56

FILTER PARAMETERS ....................................................................................... Page 57

WORKING MODE PARAMETERS..................................................................... Page 59

TIME AND DATE MENU, DISPLAY CONTRAST MENU........................................ Page 62

UPLOAD/DOWNLOAD FUNCTION ................................................................ Page 63

SERIAL COMMUNICATION PROTOCOLS ........................................................ Page 64

FIELDBUS PROTOCOLS .................................................................................. Page 75

TROUBLESHOOTING ..................................................................................... Page 80

Page 2

PRECAUTIONS

READ THIS MANUAL BEFORE using or servicing the instrument.

FOLLOW these instructions carefully.

KEEP this manual for future use.

CAUTION

The purpose of this manual is to make the operator aware of the

texts and explanatory figures, the basic requirements and criteria

for the installation and correct use of the instrument.

Installation, maintenance and repair must carried be out only by

specialized personnel who must have read and understood this ma-

nual. “Specialized personnel” means personnel who, due to training

and professional experience, have been expressly authorized by the

System Safety Manager to perform the installation.

Supply the instrument with voltage whose value is within the limits

specified in the specifications.

It is the user’s responsibility to ensure that the installation complies

with the applicable regulations.

Any attempt to disassemble or modify the instrument not expressly

authorized will invalidate the warranty and relieve Pavone Sistemi

of any responsibility.

The installation and maintenance of this instrument should only be

permitted by qualified personnel.

Pay attention when checking, testing, and adjusting with the instru-

ment turned on.

Make the electrical connections in the absence of the power supply

voltage.

Failure to observe these precautions may result in danger.

DO NOT ALLOW untrained personnel to work, clean, inspect, repair

or tamper with this instrument.

Page 3

INTRODUCTION

The MCT 1302 is a touch screen weight indicator and batcher to be combined with load cells to meet

the industrial applications.

The instrument is installed in a frame in a slot having a drilling template of 138 x 53 mm and is secured

by means of the 2 tensioning screws supplied.

The MCT 1302 uses the RS232 serial port with ASCII protocols, to be connected to the PC, PLC and re-

mote units with a maximum distance of 15m beyond which it is necessary to use the RS422/RS485 serial

output that allows the connection also with MODBUS RTU protocol up to 32 addressable instruments.

The availability of the most popular field buses, as an alternative to the RS485 port, also allows inter-

facing the instrument with any supervision device currently offered by the market.

A USB 2.0 port is also available and facilitates interfacing with PCs using AN Utility Software available

in the kit.

6 digital inputs and 6 digital outputs configurable by Set-up are always available.

It is also possible to have the analog output in voltage or current even in the presence of the FIELDBUS.

Available versions:

• MCT 1302: weight indicator with RS232 serial output, USB, RS485. The supported protocols are

continuous Modbus RTU.

• MCT 1302/A: version with analog output.

• MCT 1302/PROFINET: weight indicator with RS232, USB and PROFINET serial output.

• MCT 1302/ETHERNET IP: weight indicator with RS232, USB and ETHERNET IP serial output.

• MCT 1302/ETHERCAT: weight indicator with RS232, USB and ETHERCAT serial output.

• MCT 1302/PROFIBUS: weight indicator with RS232, USB and PROFIBUS serial output.

The analog output can also be present with the FIELDBUS option

PAVONE SISTEMI

Page 4

IDENTIFICATION PLATE OF THE INSTRUMENT

It is important to communicate this data, in case of request for information or indications concerning

the instrument, together with the program and version number, shown on the cover of the manual and

displayed when the instrument is switched on.

WARNINGS

The procedures listed below must be performed by specialized personnel.

All connections must be made when the instrument is switched off.

Page 5

TECHNICAL FEATURES

Power supply 18÷30 Vdc

Max. absorption 5 W

Isolation Class II

Installation category Cat. II

Working temperature -10°C ÷ +50°C (Max. humidity 85% without

condensation)

Storage temperature -20°C ÷ +70°C

Display Graphic 240x128 pixel LCD

Keyboard 4 wire resistive touch screen

Overall dimensions 150 x 95 x 26 mm (l x h x w) including terminal

blocks

150 x 95 x 56 mm (l x h x w) with FIELDBUS option

Drilling template: 138 x 82 mm

Assembly Panel Mount

Case material Aluminum

Connections Removable screw terminal blocks, 3.81 pitch.

Load cell power supply 5 Vdc/120 mA (max. 8 cells of 350  in parallel)

protected against short circuit

Input sensitivity 0.02 µV min.

Linearity < 0.01% of the full scale

Temperature drift < 0.001% of the full scale / C°

Internal resolution 24 bits

Displayed weight resolution Up to 999,999 divisions on the payload

Measuring range From -3.9 mV/V to +3.9 mV/V

Weight acquisition frequency 12 Hz - 1000 Hz

Digital ﬁlter Selectable 0,1 ÷ 250 Hz

Weight decimal number from 0 to 4 decimal places

Zero and Full Scale Calibration Automatic (theoretical) or executable from the

keyboard.

Logic outputs 6 opto-insulated (dry contact) max 24 Vdc / 100 mA

each

Logic inputs 6 opto-insulated at 24 Vdc PNP (external power

supply)

Serial port (#2) RS232C and RS422/485

Maximum cable length 15 m (RS232C) and 1000 m (RS422 and RS485)

Serial protocols ASCII, Modbus RTU

Baud rate 1200, 2400, 4800, 9600, 19200, 38400, 57600,

115200 selectable

USB port: compliant with USB 2.0; speed up to 12 Mbps

Analog output (optional) 16-bit opto-insulated

Voltage: 0 ÷ 5/10 V (R min 10 KOhm),

Current: 0/4 ÷ 20 mA (R max 300 Ohm)

Analog output calibration From the keyboard

Linearity <0.02% FS

Thermal drift 0.001% FS/°C

Microcontroller: ARM Cortex M0 + 32 bit, 256 KB Flash

reprogrammable on-board from USB.

Data memory 64 Kbytes expandable up to 1024 Kbytes

Fieldbus (as an alternative to RS485) PROFINET, ETHERNET IP, ETHERCAT, PROFIBUS

Compliance with Standards EN61000-6-2, EN61000-6-3, EN61010-1,

EN45501

Rmax 2

82±1

138±1

149

136

5.0

149

MCT 1302

Page 6

INSTALLATION

GENERAL INFORMATION

The MCT 1302 is a compact panel mounting instrument made of aluminum.

The instrument is installed in a panel in a slot with a drilling template of 138 x 82 mm and is secured

by means of the 2 tensioning screws supplied.

The MCT 1302 must not be immersed in water, subjected to jets of water and cleaned or washed with

solvents.

Do not expose to heat or direct sunlight.

Do not install the instrument near power equipment (motors, inverters, contactors, etc.) or near devices

that do not comply with CE regulations for electromagnetic compatibility.

The connection cable for the load cells must have a maximum length of 140 m/mm².

The RS232 serial line must have a maximum length of 15 meters (EIA RS-232-C standards).

The warnings given on the connection of the individual peripheral devices must be observed.

OVERALL DIMENSIONS

237

146

202

169

113

Page 7

MCT S 1302 DIMENSIONS

10÷30 Vdc

GND

123456789

1 2 3 4 5 6 7 8 9 15 16 17 18 19 20 21 22 2310 11 12 13 14 24 25 26

1 2 3 4 5 6 7 8 9 10 11 12 13 14

In 1

In 2

In 3

In 4

In 5

In 6

I Com

Out 1

Out 2

Out 3

Out 4

Out 5

Out 6

O Com

-Sig2

+Sig2

+Sig1

-Sig1

-Sense

+Sense

+Exc

-Exc

Shield

123456789

N.6 INPUTS N.6 OUTPUTS

LOAD CELL 1LC2

2008/ 9 5/ EC

USB

Device

17 18 19 20 21 22 23 24 25 26

TXD

RXD

SGND

S I/O +

S I/O -

AGND

Vout+

Iout+

+Vdc

GND

SERIAL Power

Supply

AN.

EXC-

EXC+

SENSE+

SENSE-

SIG-

SIG+

SHIELD

OUTPUTS

30 Vdc

100 mA Max

OUTPUT 2

OUTPUT 1

COM. OUTPUT

V+ (10 kΩ min)

Ana-

mA+ (300 Ω max)

RS485

INPUT 2

INPUT 3

INPUT 4

INPUT 5

INPUT 6

COM. INPUT

INPUT 1

OUTPUT 3

OUTPUT 4

OUTPUT 5

OUTPUT 6

TX-/RX-

TX+/RX+

ANALOG

OUTPUT

24 Vdc

100 mA Max

RS232

RXD

TXD

SGND

OPTIONAL

OUTPUT

OPTIONAL ETHERNET

FIELDBUS

25 +Vdc

Power Supply

24 Vdc

26 GND

Screw

Page 8

ELECTRICAL INSTALLATION

The MCT 1302 instrument uses for the electrical connection of the 3.81 mm removable screw terminal

blocks. The load cell cable must be shielded and channeled away from power cables to avoid elec-

tromagnetic interference.

The field wiring of the instrument must be suitable for the environment in which it will be used

and must comply with all national regulations.

A switch or disconnector must be included in the electrical system.

The switch must be close to the instrument and easily reachable by the operator.

The switch must be marked as a device to stop the machine.

The switch or circuit breaker used as a disconnecting device must comply with the applicable require-

ments of IEC 60947-1 and IEC 60947-3.

WARNING

Disconnect the power supply to the instrument before making electrical connections.

POWER SUPPLY OF THE INSTRUMENT

The instrument is powered through terminals 25 and 26. The power cable must be routed separately

from other cables.

The electric zero (terminal 26) is connected to the metal case. Connect

the terminal 26, in addition to the GND of the power supply, also

on the ground using the screw near the power terminals.

Supply voltage: 18÷30 Vdc, max 5W

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