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