Flintec LDU 68.2 User Manual
Page 2
LDU 68.1 & 68.2 Technical Manual, Rev. 12 January 2010
Page 2 of 28
Table of Contents:
1.
Safety Instructions .................................................................................................................................... 4
2.
Declaration of Conformity ........................................................................................................................ 5
3.
Introduction and Specifications ............................................................................................................... 6
4.
Communications and Getting started ..................................................................................................... 7
4.1.
Serial Interface ......................................................................................................................................... 7
4.2.
Command Language ................................................................................................................................ 7
4.3.
Baud Rate / Device Address .................................................................................................................... 8
4.4.
Getting Started ......................................................................................................................................... 8
5.
Hardware and Wiring ................................................................................................................................. 9
5.1.
Wiring ....................................................................................................................................................... 9
5.2.
With Unit Adapter UA 77.1 (RS232) ........................................................................................................ 9
5.3.
With Unit Adapter UA 73.2 (RS422 / RS485 Full-/Half-Duplex) .............................................................. 9
5.4.
Terminal Configuration ........................................................................................................................... 10
5.5.
Load Cell Connection ............................................................................................................................. 10
6.
Calibration and Calibration Sequence ................................................................................................... 11
7.
Commands – Overview ........................................................................................................................... 12
8.
Commands Description .......................................................................................................................... 13
8.1.
System Diagnosis Commands – ID, IV, IS, SR, RS .............................................................................. 13
8.1.1.
ID Get Device Identity ................................................................................................................................... 13
8.1.2.
IV Get Firmware Version ............................................................................................................................... 13
8.1.3.
IS Get Device Status ..................................................................................................................................... 13
8.1.4.
SR Reset LDU XX.X Firmware ...................................................................................................................... 13
8.1.5.
RS Read Serial Number ................................................................................................................................ 13
8.2.
Calibration Commands – CE, CM, DS, DP, CZ, CG, ZT, ZI, FD, CS .................................................... 14
8.2.1.
CE Read TAC* Counter / Open Calibration Sequence ................................................................................. 14
8.2.2.
CM Set Maximum Output Value ..................................................................................................................... 14
8.2.3.
DS Set Display Step Size .............................................................................................................................. 14
8.2.4.
DP Set Decimal Point Position ...................................................................................................................... 14
8.2.5.
CZ Set Calibration Zero Point ....................................................................................................................... 14
8.2.6.
CG Set Calibration Gain (Span) ..................................................................................................................... 15
8.2.7.
ZT Enable / Disable Zero Tracking ................................................................................................................ 15
8.2.8.
ZI Initial Zero Range ...................................................................................................................................... 15
8.2.9.
FD Reset to Factory Default Settings ............................................................................................................ 15
8.2.10.
CS Save the Calibration Data ....................................................................................................................... 15
8.3.
Motion Detection Commands – NR, NT ................................................................................................. 16
8.3.1.
NR Set No-motion Range ............................................................................................................................... 16
8.3.2.
NT Set No-motion Time Period ..................................................................................................................... 16
8.4.
Filter Setting Commands – FL, FF, UR .................................................................................................. 17
8.4.1.
FL Filter Settings ........................................................................................................................................... 17
8.4.2.
FF Moving Average ....................................................................................................................................... 17
8.4.3.
UR Update Rate ............................................................................................................................................. 17
8.5.
Taring and Zeroing Commands – SZ, RZ, ST, RT ................................................................................ 18
8.5.1.
SZ Set Zero ................................................................................................................................................... 18
8.5.2.
RZ Reset Zero Point...................................................................................................................................... 18
8.5.3.
ST Set Tare ................................................................................................................................................... 18
8.5.4.
RT Reset Tare ............................................................................................................................................... 18
8.6.
Output Commands – GG, GN, GT, GS, GF, GW, GA ........................................................................... 19
8.6.1.
GG Get Gross Value ...................................................................................................................................... 19
8.6.2.
GN Get Net Value .......................................................................................................................................... 19
8.6.3.
GT Get Tare Value ........................................................................................................................................ 19
8.6.4.
GS Get ADC Sample Value ........................................................................................................................... 19
8.6.5.
GF Get Filtered Value ................................................................................................................................... 19
8.6.6.
GW Get Data String “Net, Gross and Status“ ................................................................................................. 19
8.6.7.
GA Get Triggered Average Value .................................................................................................................. 19