ADOS S.R.L. Buccinasco (MI)
492-MTU10006 Rev. 4 Page 2 of 49
Contents
1. INTRODUCTION ....................................................................................................................... 4
1.1 General................................................................................................................................... 4
1.2 Versions/options ..................................................................................................................... 4
1.3 Documentation....................................................................................................................... 4
1.4 Equipment marking description............................................................................................. 5
2. OPERATING SPECIFICATIONS .............................................................................................. 6
2.1 Technical data ........................................................................................................................ 6
3. INSTRUMENT OPERATIONS ................................................................................................. 7
3.1 Turning on the instrument...................................................................................................... 7
3.2 Display indication................................................................................................................... 8
3.3 Tare ......................................................................................................................................... 8
3.4 Manual Zero........................................................................................................................... 8
3.5 Automatic Zero Tracking ....................................................................................................... 8
3.6 LED status indicators ............................................................................................................ 9
3.7 Key functions ......................................................................................................................... 9
3.8 Switch.....................................................................................................................................11
3.9 Self diagnostic .......................................................................................................................11
3.9.1 Configuration memory integrity check .................................................................................11
3.9.2 Configuration parameter integrity check ..............................................................................12
3.10 Output relay operation......................................................................................................... 13
3.11 SERIAL INTERFACE MANAGEMENT.......................................................................... 15
3.11.1 Primary serial interface ......................................................................................................15
3.11.2 RS485 interface.................................................................................................................15
3.11.3 Continuous modality ...........................................................................................................16
3.11.4 Bi-directional modality........................................................................................................16
3.11.5 Print On Request modality..................................................................................................18
3.11.6 Bi-directional modality with MODBUS protocol...................................................................19
3.11.7 Auxiliary serial interface.....................................................................................................24
4. INSTALLATION........................................................................................................................ 25
4.1 Material receiving ............................................................................................................... 25
4.2 Instrument mounting ............................................................................................................ 26
4.3 Connections .......................................................................................................................... 27
4.3.1 Wiring the instrument to the protective earthing system ........................................................28
4.3.2 Power supply connection....................................................................................................28
4.3.3 Load cell connection ..........................................................................................................29
4.3.4 Relay output connection .....................................................................................................30
4.3.5 Serial port connection.........................................................................................................31
5. MAINTENANCE....................................................................................................................... 32
5.1 Preventive maintenance ...................................................................................................... 32
5.2 Corrective maintenance....................................................................................................... 32
6. INSTRUMENT CONTROL ..................................................................................................... 33
6.1 Introduction.......................................................................................................................... 33
6.2 Control function selection.................................................................................................... 34
6.2.1 Password..........................................................................................................................35
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