Digi SM-300 Service Manual

Table of Content
i) Notice .................................................................................................................................................1
ii) Safety Information ..............................................................................................................................2
1. GENERAL.....................................................................................................................................................3
1.1 Model Specification ............................................................................................................................3
1.2 Operating Specification......................................................................................................................4
1.3 Type of Interface ................................................................................................................................4
1.4 Main Components ..............................................................................................................................4
2. OVERVIEW ..................................................................................................................................................5
2.1 Dimensions ........................................................................................................................................5
2.2 Key Sheet Layout...............................................................................................................................7
2.3 Panel Layout ....................................................................................................................................10
2.4 Label Type .......................................................................................................................................11
2.5 Interface Ports Location ...................................................................................................................12
2.5.1 For Pole, Bench, Elevated, Self-service. ............................................................................12
2.5.2 For Hanging ........................................................................................................................12
3. SET UP.......................................................................................................................................................13
3.1 Scale Assembly................................................................................................................................13
3.1.1 Set up..................................................................................................................................13
3.1.1 Level Adjustment.................................................................................................................13
3.1.3 Hanging Type Scale Set Up................................................................................................14
3.2 Software Setting...............................................................................................................................15
3.2.1 Memory Initialization ...........................................................................................................15
3.2.1.1 Default Country Specification 1 ...........................................................................15
3.2.1.2 Default Country Specification 2 ...........................................................................18
3.2.1.3 Country List..........................................................................................................20
3.2.2 Span Adjustment.................................................................................................................21
3.2.3 Specification Setting............................................................................................................23
3.2.3.1 Customer Specification (Re-zero 141) ................................................................23
3.2.3.2 Weight And Measurement Specification (Re-zero 142) ......................................25
3.2.3.3 Scale Setting........................................................................................................27
4. MAINTENANCE .........................................................................................................................................28
4.1 Diagnostic ........................................................................................................................................28
4.1.1 Changing Mode...................................................................................................................28
4.1.2 RAM & Communication Port Testing ..................................................................................30
4.1.2.1 RAM Test.............................................................................................................30
4.1.2.2 SIO Loop Back Test ............................................................................................31
4.1.2.3 RS-485 Loop Back Test ......................................................................................32
4.1.2.4 Ethernet Test .......................................................................................................32
4.1.2.5 ROM Checksum Test ..........................................................................................33

Digi SM-300 Specifications

General

Brand	Digi
Model	SM-300
Category	Scales
Language	English