3
Service Manual Signum
Replacing the Display Unit  34
Opening the Display Unit   34
Closing the Display Unit   34
Replacing the Front Panel  35
Replacing the Cable  35
Replacing the Display PCB  36
Replacing Components  37
Repairing the Scale   37
Opening a Scale Featuring Strain Gauge 
Technology   37
Opening a Scale Featuring Electromagnetic
Force Compensation   38
Closing the Scale  39
Replacing the Power PCB  40
Replacing the Data Output PCB   41
Replacing the Main PCB   42
Replacing the System PCB   43
Replacing Comonents of SIWAEDG  44
Optional Data Output Ports/Interfaces  46
Installation of the Profibus Module  46
Data Output Plate with IP44 Protection  47
Data Output Plate with IP65 Protection  48
COM 1 Port SIWAEDG  49
Error Codes  50
Additional Tools / Programs, etc.  52
Block Diagram  53
Working with the Service Software  54
Service Switches   54
Function of the Service Switches  54
Menu Access Switch  55
Boot Switch (Flash Switch)  57
SBI/XBPI  57
Close Function  57
Setting the XBPI-232 Protocol   57
Calibration/Adjustment Data for the SIWR  58
Calibration/Adjustment Data for the SIWR  59
Calibration/Adjustment Data for the SIWA  60
Calibration/Adjustment Data for the SIWS  61