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Table of Contents
Summary of Contents for ob DD2050
- Page 1 DD2050 INDICATOR USE AND MAINTENANCE MANUAL Code 81320402 Edition 13.12.2012...
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Page 2: Table Of Contents
3.8 INPUT/OUTPUT CONNECTION ......... 29 3.8 INPUT/OUTPUT ..............29 Input connection ......................... 30 Output connection ........................31 3.9 OPTIONAL SERIAL OUTPUT ..........32 COM5 serial connection ......................32 COM4 serial connection ......................33 RS485 connection on DSUB9 connector ................. 33 DD2050... - Page 3 RS485 ........33 CONNECTION ON TERMINAL BOARD 3.10 OPTIONAL 4INPUT/ 6OUTPUT ........35 Input connection ......................... 35 Output connection ........................36 3.11 OPTIONAL A (0-10 , 4-20 A) ..... 36 NALOG UTPUT DD2050...
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Page 4: General
World Wide Web, without the express written permission of the manufacturer. • This manual may not be used for purposes other than those directly related to the installation, operation and maintenance of the terminal. DD2050... - Page 5 Do not operate the system in these conditions under any circumstances whatsoever, but remove the safety guards for the time strictly required to carry out the required repairs or maintenance then fit them back in place. DD2050...
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Page 6: Symbols
WARNING Information or instructions on how the system is to be operated correctly in order to maximise its service life or prevent loss or damage of programmed data or to optimise operation with regard to metrological standards. DD2050... -
Page 7: Description Of The Terminal
RS232/422 serial ports 2 inputs and 2 outputs 110-240 VAC power supply can be connected to the keyboard of a compatible external PC Optional boards to interface the indicator and expand the system can be added on request. DD2050... -
Page 8: Technical Characteristics Of The Terminal
0.6 uV/division (version with analogue load cells) Full scale stability < 5 ppm/°C Zero stability < 5 ppm/°C Compensated temperature range -10 + 40 °C Operating temperature range -15 + 50 °C Protection class Able to withstand inclement weather conditions with the DD2050... - Page 9 Output maximum voltage 24 VAC/DC Output maximum current 190 mA max External keyboard input Display 12.1” TFT colour display Touch screen Resistive/ Capacitive Sunlight version Printer (optional) Thermal type 80mm media Reader (optional) RFID, Barcode, magnetic according to the model DD2050...
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Page 10: Dimensions And Weight
1.6 DIMENSIONS AND WEIGHT Overall dimensions and weight of the wall-mounted terminal Fig 1.1 – version Dimensions in mm Weight: 23 kg 1-10 DD2050... - Page 11 Overall dimensions and weight of the pedestal terminal version Fig 1.2 – Dimensions in mm Weight: 23 kg DD2050 1-11...
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Page 12: Disposal
1.7 DISPOSAL This electrical or electronic device cannot be disposed of as solid urban waste. It must be disposed of separately 1-12 DD2050... -
Page 13: Technical Assistance
1.9 SPARE PART LIST CODE DESCRIPTION 28200148 THERMAL PAPER ROLL LENGTH = 155 m WIDTH= 80 mm EXTERNAL DIAMETER = 130 mm INTERNAL DIAMETER = 25 mm 1.10 WARRANTY The conditions of warranty are stipulated in the contract of sale. DD2050 1-13... -
Page 14: Safety Instructions
Manufacturer's After-Sales Service for clarification. Always observe the indications given on the warning and danger plates on the terminal. Check that all the safety guards are in place and that the connection cables are in good condition and connected correctly. 1-14 DD2050... - Page 15 If the terminal is to be connected to other devices (e.g. a computer), these devices must be disconnected from the electrical supply before connection to the terminal. DD2050 1-15...
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Page 16: Installation
3. INSTALLATION Fig. 3A INTERNAL 12V Logic power supply 24V printer and heater power supply Electronic board groups Climatic control Main switch 1-16 DD2050... - Page 17 Fig. 3B: Block diagram DD2050 1-17...
- Page 18 2. N° 3 serial com ports RS232/422 3. Scale A 4. Scale B 5. USB Host. 6. N° 2 input/output 24 V ac/dc. 7. 12 Vdc/5A power entry 8. Ethernet 10/100 Mbps 9. Compact flash 10. SD card 1-18 DD2050...
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Page 19: Connection Of The Terminal To The Electrical Supply Line
(see par. 3.3.1 on page 1-25). If the terminal is installed on a pedestal, insert the earth lead into this. The leads and accessories for this connection are not part of the supply but are at the customer's charge. DD2050 1-19... -
Page 20: Connection To Main
Assistance Service directly 1-20 DD2050... - Page 21 Use the main internal switch to connect the main power supply according to the figure below Fig. 3.1.2 Connection to the mains Connection to mains DD2050 1-21...
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Page 22: Connection To Scale
If in doubt, connect the terminal and the scale using a earth wire of at least 6mm² using the earth screw on the rear of the terminal. The cables required for this connection are to be provided by the customer. 1-22 DD2050... -
Page 23: Scale Connection. Analogue Load Cells
SIG + = Load cell signal + SIG - = Load cell signal -- EX + = Load cell excitation + EX - = Load cell excitation -- SENSE + = SENSE + signal SENSE - = SENSE - signal DD2050 1-23... -
Page 24: Scale Connection: Digital Load Cells
Key: EX + = Excitation + EX - = Excitation - DATA +/- = Bidirectional data lines NC = Reserved, do not connect Fig 3.3 – JBIL connection diagram for digital load cells 1-24 DD2050... -
Page 25: Serial Outputs
- COM 1 is connected to the internal reader - COM 2 is connected to the internal printer - COM 3 is available for additional peripheral devices (remote display, additional readers.) Further serial outputs can be available on additional option boards DD2050 1-25... -
Page 26: Com1 Connection
Operating limits stipulated by the standard RS232: Maximum transmission distance = 15 m Maximum line voltage = ± 12 VDC For connection to external devices, use a screened cable and connect the screen to the metal cap of the 9-pin connector. 1-26 DD2050... -
Page 27: Com2 Connection
NC = Reserved, do not connect RX232 = Received data TX232 = Transmitted data GND = GND Ri = Termination resistance inside terminal Figura 3.5 – COM2 serial port connector (9-pin female D-type) CAUTION The RS232 operating limits are indicated in par 3.4 DD2050 1-27... -
Page 28: Connection Of Com3 Serial Output
Operating limits stipulated by the standard RS422: Maximum transmission distance = 1200 m Maximum line voltage = +/- 7V For connection to external devices, use a screened twisted pair cable and connect the screen to the metal cap of the 9-pin connector. 1-28 DD2050... -
Page 29: Connection To An External Keyboard
The KBD connector features an input for connection of a keyboard of a compatible PC. ATTENTION Installation of an external keyboard disables operation of COM2. 3.8 INPUT/OUTPUT CONNECTION The JI/O terminal board features input and output contacts; the following figure illustrates the connection diagram. 3.8 INPUT/OUTPUT DD2050 1-29... -
Page 30: Input Connection
1. PIN 1. 2. PIN 2. 3. PIN 3. 4. PIN 4. 5. PIN 5. 6. PIN 6. 7. PIN 7. 8. PIN 8. Fig 3.8 – Input/Output pins Fig 3.9 – I/O terminals– wiring example Input connection 1-30 DD2050... -
Page 31: Output Connection
< 5 mA The inputs can be controlled by clean contacts or by NPN transistors (negative common connection). Output connection CAUTION Electrical specifications Outputs: switchable voltage < 24 V (ac/dc) switchable current < 190 mA (ac/dc) solid state contact (OPTOMOS) DD2050 1-31... -
Page 32: Optional Serial Output
Max. transmission distance: 1200 m Maximum voltage at ends: +/- 7V For connection to external devices, it is recommended to use a twisted pair, making sure to connect the shield to the metal part of the 9-pin connector's casing. 1-32 DD2050... -
Page 33: Com4 Serial Connection
RS485 connection on terminal board If the COM4 serial port is configured in compliance with the RS485 standard, proceed as follows: Connect pins 2 and 4 (DATA +) pins 1 and 3 (DATA -) together DD2050 1-33... - Page 34 It is advisable to use a shielded cable of the "twisted pair" type for connections to external devices. Remember to connect the shield to the metal part of the shell of the 9-pin connector. Maximum number of terminals that can be connected = 16 1-34 DD2050...
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Page 35: Optional 4Input/ 6Output
In case of an additional input/output card is installed in the indicator the connections are according the following drawings: Input connection CAUTION Electrical specifications Inputs: maximum voltage < 5 Vdc maximum current < 5 mA The inputs can be controlled by clean contacts or by NPN transistors (negative common connection). DD2050 1-35... -
Page 36: Output Connection
Output connection CAUTION Electrical specifications Outputs: switchable voltage < 24 V (ac/dc) switchable current < 190 mA (ac/dc) solid state contact (OPTOMOS) 3.11 OPTIONAL Analog Output (0-10v, 4-20mA) 1-36 DD2050... - Page 37 Set the jumper J14 to position 1-2 for voltage output 0-10V on the pins : 12 Voltage Out and 8 (GND) CAUTION Technical characteristics: Resolution= 10000 points Precision = 0.05 % FS Minimum voltage output load = 100 kohm Minimum current output load = 250 ohm DD2050 1-37...
- Page 38 +39 (0)59 893 611 – fax +39 (0)59 527 079 home page: http://www.coopbilanciai.it E-mail:cb@coopbilanciai.it Servizio post vendita After sales service Service après-vente Kundendienstservice Servicio post-venta Serviço pós-venda tel. +39 (0)59 893 612 – fax +39 (0)59 527 294 1-38 DD2050...
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