Laurel-electronics LAUREATE SERIES SCALE-WEIGHT METER Manual de usuario

1 LAUREATE SERIES SCALE / WEIGHT METER OWNERS MANUAL Now with USB & Ethernet LAUREL Electronics Inc. 31

10 Note: Corresponding main board and option board connectors have the same number of electrical lines. When an option board is correctly

11 9. FRONT PANEL SETUP KEYS Meter Front Panel There are four front panel keys, which change function for the Run Mode and Menu Mode, effectively

12 KEYS IN MENU MODE Right Arrow Key (MENU). Pressing steps the meter through all menu items that have been enabled and then back to the

13 10. ENABLING & LOCKING OUT MENU ITEMS For security reasons and ease of meter operation, any and all menu items may be disabled

14 11. PROCESS & STRAIN INPUT JUMPERS Process and strain input scale meters utilize the DC signal conditioner board, which offers

15 12. LOAD CELL INPUT JUMPERS Notes 1. See Section 17 to select 10V excitation. 2. Jumpers are 2.5 mm (0.1 in). 3. Store spare jump

16 13. SCALE METER SETUP When the Reading Coordinates of 2 Points scaling method has been selected under SEtuP, the four menu items below will ap

17 OTHER KEYSTROKES FOR SCALE METER SETUP If the MENU key does not work, see Section 10 “Enabling & Locking Out Menu Items.” Press Menu Se

18 Press Menu Select Key Press Digit Select Key Press Value Select Key 00000 Negative readings 0 Allow negative readings 1 Disallow neg

19 FiLtr Filtering (continued) 00000 Input signal filtering. Can be applied to dis-play, setpoint, analog output, data output. 0 Autofilter

2 1. ORDERING GUIDE Configure a model number in this format: LW20201SG1, CBL01 LW ... Laureate scale / weight meter Display Color 1 ...

20 Option board dependent menu items ALSEt. -SP1-d -SP2-d Menu items related to alarm setup These will only appear if a relay board is detected

21 14. DUAL RELAY OUTPUT OPTION An optional relay board may be installed in the scale meter main board at plug position P2, adjacen

22 Press Menu Select Key Press Digit Select Key Press Value Select Key _SPI_d Alarm 1 dribble value 0.0000 0.0000 0.0000 0.0000 0.0000 Se

23 ALARM TYPES Latched alarms stay actuated until reset. They can shut down machinery or a process when a setpoint (or limit) has been exceeded or

24 15. ANALOG OUTPUT OPTION An analog board may be installed in the meter at rear panel jack position J4, adjacent to the signal conditioner board.

25 16. SERIAL COMMUNICATION OPTIONS A serial communications board may be connected to the meter main board at plug position P13 (middle position)

26 Basic Ethernet Board No jumpers needed. RS232 Board e - Normal operation. f - Slave display to RS232 from another meter. g - Pull-up re

27 SERIAL CONNECTION EXAMPLES

28 KEYSTROKES FOR SETUP If the MENU key does not work, see Section 10 “Enabling & Locking Out Menu Items.” Press Menu Select Key

29 Press Menu Select Key Press Digit Select Key Press Value Select Key _0000U Line feed 0 No line feed after carriage return 1 Line feed

3 2. TABLE OF CONTENTS 1. ORDERING GUIDE ...

30 17. EXCITATION OUTPUT & POWER SUPPLY Three isolated transducer excitation output levels are available from the power supply board. These ar

31 18. INSTRUMENT SETUP VIA PC Instrument Setup software is a PC program which is much easier to learn than front panel programming. It is of

32 SETUP OF CONNECTED METER A setup file can be retrieved from the meter (DPM => Get Setup), be edited (View => Setup),

33 Plot Graph • The Readings pull-down menu provides three formats to display DPM data on the PC monitor. Use the Pause and Continue

34 To enter new setup information, click on View => Setup, then make your screen selections as if you were connected to a meter. Tabs will be gray

35 20. SCALE METER SPECIFICATIONS Meter Display Type ...5 LED, 7-segment, 14.2mm (.56") high digits &

36 DC, Process, Strain Signal Conditioner Range Resolution Resistance Zero Range Span Range Error 200.00 mV 2.0000 V 20.000 V 10 µV 100 µV 1 mV

- 37 - Accuracy ...Meter input accuracy ±0.02% of full scale analog output Resolution ...

- 38 - 21. GLOSSARY OF TERMS Adaptive Filter Threshold A threshold which causes an adaptive moving average filter to be reset to the latest read

- 39 - Custom ASCII Protocol A simplified, short protocol for use with these panel meters. It allows 31 digital addresses. Not an industry-stand

4 3. PRODUCT INTRODUCTION The Scale Meter is a compact, inexpensive, and extremely accurate digital panel meter with special firmware for weighing

- 40 - Meter Hold A rear panel input which freezes the meter display and all meter outputs while that input is tied to logic ground by a switch or i

- 41 - Reset There are three types of Reset:  Peak Reset. Achieved by simultaneously pressing the RESET and PEAK keys.  Latched Alarm R

- 42 - voltage or current at either point does not need to be known. The decimal point is set by the separate dEC.Pt menu item. Setpoint A value com

- 48 - 22. WARRANTY Laurel Electronics Inc. warrants its products against defects in materials or workmanship for a period of one year from the d

5 4. ADVANCED OPERATING FEATURES • Setpoint offset. The ON/OFF setpoint control action can be programmed to occur with a specified offse

6 5. RECEIVING & UNPACKING Your scale meter was carefully tested and inspected prior to shipment. Should the meter be damaged in shipm

7 7. CONNECTOR WIRING INFORMATION CONNECTORS Connectors for signal and power are UL-rated screw-clamp terminal blocks that plug into mating jacks o

8 P3 - SERIAL COMMUNICATIONS P4 - ANALOG OUTPUT N/CISO GNDRXTXRTSN/CGNDTXRXRTSRS232 INTERFACE Computer654321ISO GNDBRXARXATXBTXISO G

9 8. MECHANICAL ASSEMBLY REMOVING THE REAR PANEL First remove any connectors. Use one hand to press in the two sides of the rear of