Flintec LDU 78.1 Manuale Utente

Load Cell Digitizing Unit Type LDU 78.1 TECHNICAL MANUAL Firmware Version 78.183.v.2.50 or higher Hardware Version 78.101.5.v.3.00

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 10 of 365.4. Terminal Configuration LDU 78.1 UA 73.2 UA 77.1 Function Pin no. 0 Gnd (Shield) Gnd

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 11 of 366. Calibration and Calibration Sequence The calibration of LDU 78.1 is only possible after

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 12 of 367. Commands – Overview Command Short description Parameter value Page AD Communication:

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 13 of 36 Command Short description Parameter value Page SL Auto-transmit: Send Data String „Averag

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 14 of 368. Commands Description For better clarity, all commands are divided into groups as describe

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 15 of 368.2. Calibration Commands – CE, CM n, CI, MR, DS, DP, CZ, CG, ZT, FD, IZ, ZR, ZI, WT, TM, C

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 16 of 368.2.5. DS Set Display Step Size This command allows the output to step up or down by a uni

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 17 of 368.2.10. FD Reset to Factory Default Settings This command puts the LDU back to a known stat

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 18 of 368.2.16. CS Save the Calibration Data This command results in the calibration data being sav

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 19 of 368.4. Filter Setting Commands – FM, FL, UR A digital filter can be set which will eliminate

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 2 of 36Table of Contents: 1. Safety Instructions ...

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 20 of 368.4.3. UR Update Rate and Averaging Depending on the selected filter mode this command def

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 21 of 368.5. Taring and Zeroing Commands – SZ, ZA, RZ, ST, RT The following commands allow you to s

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 22 of 368.6. Output Commands – GG, GN, GT, GS, GW, GA, GL, OF The following commands “Get” the gros

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 23 of 368.6.7. GL Get Data String “Average, Gross and Status“ Master (PC / SPS) sends Slave (LDU

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 24 of 368.7. Auto–transmit Commands – SG, SN, SX, SW, SA, SL The following commands allow the gross

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 25 of 368.8. Commands for External I/O Control – IN, IO, IM The LDU 78.1 has 2 independent logic in

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 26 of 368.9. Setpoint Output Commands – Sn, Hn, An The LDU 78.1 has 2 logic outputs where the statu

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 27 of 368.10. Communication Setup Commands – AD, BR, DX, TD, OP, CL 8.10.1. AD Device Address This

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 28 of 368.11. Save Calibration and Setup Data Commands – CS, WP, SS, GI, PI The calibration and se

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 29 of 368.12. Trigger Commands – SD, MT, GA, TE, TR, TL, SA Note: All changes to the trigger comma

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 3 of 368.5. Taring and Zeroing Commands – SZ, ZA, RZ, ST, RT ...

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 30 of 368.12.6. TL Trigger Level This command defines a level for a rising edge trigger on the meas

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 31 of 368.13. Re-Trigger Commands – RW, TT, TS, DT, TW, TI, HT Note: All changes to the re-trigger

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 32 of 368.13.6. TI Averaging Time for Automatic Taring This command defines the averaging time for

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 33 of 369. Use in “Approved” Applications The term “approved” applies whenever the weighing applica

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 34 of 3610. Updates – Firmware Download For a software update the LDU xx.x amplifier has to be conn

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 35 of 36

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 36 of 36 www.flintec.com

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 4 of 36RIGHTS AND LIABILITIES All rights reserved. No part of this publication may be reproduced,

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 5 of 362. Declaration of Conformity 0 EG-Konformitätserklärung EC-Declaration of Conformity

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 6 of 363. Introduction and Specifications The model LDU 78.1 is a very precise high-speed digital a

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 7 of 364. Communications and Getting started 4.1. Serial Interface Communicating with the LDU 78.1

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 8 of 364.3. Baud Rate / Device Address Baud Rate: For baud rate setup use command BR, see chapter

LDU 78.1 Technical Manual, Rev. 12 May 2011 Page 9 of 365. Hardware and Wiring 5.1. Wiring 5.2. With Unit Adapter UA 77.1 (RS232) 5.3. With Unit