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Summary of Contents for LAUMAS LCB
- Page 1 ENGLISH ENGLISH ENGLISH ENGLISH Installation Instructions version 1.02...
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Page 2: Further Information
No guarantee is applicable on returned products without the original label and/or serial number. No guarantee against misuse. Batteries: Laumas provides 1 year guarantee from the date of delivery note, against material defects or battery manufacturing faults. DISPOSAL... -
Page 3: Table Of Contents
TABLE OF CONTENTS USER WARNINGS ......................... 1 RECOMMENDATIONS FOR CORRECT INSTALLATION OF WEIGHING INSTRUMENTS . 2 RECOMMENDATIONS FOR CORRECT INSTALLATION OF THE LOAD CELLS ....2 LOAD CELL TESTING ......................5 MAIN SPECIFICATIONS OF THE INSTRUMENT..............6 PARTS IDENTIFICATION ......................6 TECHNICAL SPECIFICATIONS .................... -
Page 4: User Warnings
USER WARNINGS RECOMMENDATIONS FOR THE PROPER USE OF WEIGHING INSTRUMENT Keep away from heat sources and direct sunlight Do not dip in water Do not spill liquid on the instrument (refer to the materials table) Do not use solvents to clean the instrument (refer to the materials table) Do not install in areas subject to explosion hazard The following table shows the material of the instrument components exposed to external agents: COMPONENT... -
Page 5: Recommendations For Correct Installation Of Weighing Instruments
RECOMMENDATIONS FOR CORRECT INSTALLATION OF WEIGHING INSTRUMENTS The terminals indicated on the instrument’s wiring diagram to be connected to earth must have the same potential as the weighed structure (same earthing pit or earthing system). If you are unable to ensure this condition, connect with an earthing wire the terminals of the instrument (including the terminal –... - Page 6 CONNECTING SEVERAL CELLS IN PARALLEL Connect several cells in parallel by using - if necessary - a watertight junction box with terminal box. The cell connection extension cables must be shielded, led individually into their piping or conduit and laid as far as possible from the power cables (in case of 4-wire connections, use cables with 4x1 mm minimum cross-section).
- Page 7 EARTHING THE WEIGHED STRUCTURE By means of a copper wire with suitable cross-section, connect the cell upper support plate with the lower support plate, then connect all the lower plates to a single earthing system. Electrostatic charges accumulated because of the product rubbing against the pipes and the weighed container walls are discharged to the ground without going through or damaging the load cells.
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Page 8: Load Cell Testing
LOAD CELL TESTING Load cell resistance measurement (use a digital multimeter): - Disconnect the load cells from the instrument and check that there is no moisture in the cell junction box caused by condensation or water infiltration. If so, drain the system or replace it if necessary. -
Page 9: Main Specifications Of The Instrument
RS485 serial port (for connection to: PC/PLC up to 32 instruments, max 99 with line repeaters, by ASCII Laumas or ModBus R.T.U. protocol, remote display, printer), 16 bit analog output (tension or current), Profibus DP, CANopen, Profinet IO, Ethernet/IP, Modbus TCP, SERCOS III, PowerLink, EtherCAT, CC-Link, IO-Link. -
Page 10: Technical Specifications
TECHNICAL SPECIFICATIONS POWER SUPPLY and CONSUMPTION 12/24 VDC ±10%; 5 W No. OF LOAD CELLS IN PARALLEL and SUPPLY max 4 (350 ohm); 3.3 VDC / 40 mA LINEARITY / ANALOG OUTPUT LINEARITY < 0.01% F.S.; < 0.01% F.S. THERMAL DRIFT / ANALOG OUTPUT THERMAL DRIFT <... -
Page 11: Electrical Connections
ELECTRICAL CONNECTIONS LOAD CELL TERMINAL BLOCK WARNING: before carrying out the load cell wiring, make sure the instrument is not powered. SIG+ +LOAD CELL SIGNAL SIG- -LOAD CELL SIGNAL -LOAD CELL EXCITATION +LOAD CELL EXCITATION - It is possible to supply up to four 350 ohm load 4-WIRE LOAD CELL CONNECTION cells, or eight 700 ohm load cells. -
Page 12: Service Connector
SERVICE CONNECTOR ETHERNET, CANOPEN, SERIAL INTERFACE AND ANALOG OUTPUT LCBRS485 - LCBRS485ANA - LCBCANOPEN - Instrument model LCBETHERCAT - LCBETHEIP - LCBMODBUSTCP - LCBPOWERLINK - LCBPROFINETIO - LCBSERCOIII +SUPPLY (12/24 VDC) Male M12, -SUPPLY (GND)/INPUT COMMON 8 pin, A-coded INPUT No. 1 INPUT No. -
Page 13: Io-Link
IO-LINK Instrument model LCBIOLINK 24 VDC OUT Male M12, GND/INPUT COMMON 8 pin, A-coded INPUT No. 1 INPUT No. 2 OUTPUT COMMON OUTPUT No. 1 OUTPUT No. 2 OUTPUT No. 3 In the LCBIOLINK model, the power supply is 24 VDC OUT provided only through the interface connector used (max 100 mA) (see section COMMUNICATION INTERFACE... -
Page 14: Communication Interface Connectors (Bus In - Bus Out)
COMMUNICATION INTERFACE CONNECTORS (BUS IN – BUS OUT) The BUS IN and BUS OUT connectors are specific for the different communication interfaces. SERIAL INTERFACE AND ANALOG OUTPUT Instrument model LCBRS485 - LCBRS485ANA Baud rate (kb/s) 2400, 4800, 9600, 19200, 38400, 115200 Current output 0÷20 mA;... - Page 15 RS485 SERIAL COMMUNICATION INSTRUMENT INSTRUMENT INSTRUMENT max 500 m 24 VDC RS485 + RS485 + RS485 - RS485 - CONVLAU If the RS485 network exceeds 100 metres in length or baud-rate over 9600 are used, two terminating resistors are needed at the ends of the network. Two 120 ohm resistors must be connected between the “+”...
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Page 16: Canopen
CURRENT OUTPUT AND VOLTAGE OUTPUT CONNECTION All analog outputs of the instrument are ACTIVE and SINGLE ENDED type, therefore they can be connected only to PASSIVE receiver devices. The minimum load allowed for voltage outputs is 2 kohm, the maximum load allowed for current outputs is 400 ohm. Voltage or current analog signal ACTIVE PASSIVE... -
Page 17: Io-Link
IO-LINK Instrument model LCBIOLINK BUS IN – male M12 connector, 4 pin, A-coded BUS OUT – male M12 connector, 4 pin, A-coded The IO-Link protocol uses point-to-point network connections between gateway and device; use only one communication interface connector (BUS IN or BUS OUT). ETHERNET LCBETHERCAT - LCBETHEIP - LCBMODBUSTCP Instrument model... -
Page 18: Connection To The Load Cell
CELL NUT - while holding the cable in place, screw the cell nut up to the stop (max ½ turn); - screw the supplied LCB nut onto the load cell cable gland; - wrap the Teflon tape around the thread of the load cell cable gland;... - Page 19 - lock the instrument by tightening the LCB nut with the supplied wrench; - wire the instrument terminal block and connect the cable shield to EX- (see section ELECTRICAL CONNECTIONS); - replace the instrument cover and tighten the four screws.
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Page 20: Connection Via Cable
CONNECTION VIA CABLE - Remove the instrument cover; - screw the PG7 cable gland with O-ring into the cell hole in order to make a seal - loosen the head of the PG7 cable gland; - insert the load cell cable into the instrument by passing through the PG7 cable gland;... - Page 24 On our website www.laumas.com you can find videos on the correct installation of weighing systems and tutorials on the configuration of our weight transmitters and indicators. Comprehensive user manuals for all LAUMAS products can be found online. They can be downloaded in PDF format from either the Products section or the Download Area of the website www.laumas.com.
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