Logic DLC NET Series

USE AND MAINTENANCE MANUAL – DLC
NET
Series
INDEX
LOGIC S.r.l. - M0145Db.docx
Mod. L0006A01 of 30/05/2016
Page 5 of 78
1 INDEX
1 INDEX .................................................................................................................................................................... 5
2 General information ............................................................................................................................................ 9
2.1 Introduction ................................................................................................................................................... 9
2.2 Use and conservation of the manual ............................................................................................................ 9
2.3 Warranty ..................................................................................................................................................... 10
2.4 Symbology .................................................................................................................................................. 10
2.5 Unauthorized use ........................................................................................................................................ 11
2.6 Instrument identification .............................................................................................................................. 11
2.6.1 Manufacturer data ................................................................................................................................... 11
2.6.2 Marking ................................................................................................................................................... 11
2.6.3 Declaration of conformity ........................................................................................................................ 12
2.7 Technical specifications .............................................................................................................................. 13
2.7.1 General specifications ............................................................................................................................ 13
2.7.2 Principle of operation .............................................................................................................................. 13
2.7.3 Technical details ..................................................................................................................................... 14
2.7.4 Operating environment ........................................................................................................................... 14
2.7.5 Electromagnetic compatibility ................................................................................................................. 14
3 Installation .......................................................................................................................................................... 15
3.1 Preliminary checks ...................................................................................................................................... 15
3.2 Mechanical installation ................................................................................................................................ 15
3.3 Board connections ...................................................................................................................................... 17
3.3.1 Power supply .......................................................................................................................................... 17
3.3.2 Load cell .................................................................................................................................................. 17
3.3.3 Ground connections ................................................................................................................................ 17
3.3.4 Data connection ...................................................................................................................................... 18
3.4 Power supply connection ............................................................................................................................ 18
3.4.1 Layout of the terminal blocks .................................................................................................................. 18
3.4.2 Power supply connection ........................................................................................................................ 20
3.5 Load cells connection ................................................................................................................................. 21
3.5.1 Load cells connection in safe area ......................................................................................................... 21
3.5.2 Load cells connection in ATEX Zone 1 (Zener barrier) .......................................................................... 22
3.5.3 Load cells connection in ATEX Zone 1 (active barrier) .......................................................................... 22
3.5.4 Connection to the junction box ............................................................................................................... 23