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Service Manual
Third edition, June 1997
3.25 Level Unit – TX Service ....................................................................... 46
3.26 Level Unit – Scan Tank ......................................................................... 47
3.27 Level Unit – Restart LCI, LCM ............................................................ 47
3.28 Level Unit – IG Press Zero Adjust....................................................... 48
3.29 Disconnect LU ...................................................................................... 49
3.30 The Communication-Window ............................................................ 49
3.31 The I/O-Window ................................................................................... 50
3.32 Install/Backup-Window ........................................................................ 51
3.32.1 Backup Copies of the Database and Pictures .............................. 51
3.32.2 Install Database and Pictures ........................................................ 52
3.32.3 Installing New Program to the Work Station .............................. 52
3.32.4 Saving a Log-file to a Diskette ....................................................... 52
3.33 Service Log-Window ............................................................................ 53
3.34 Process Debugger, Interface Editor, PictCopy, Shell ......................... 54
4 I/O Box ............................................................................................. 55
4.1 The Motherboard of the I/O Box ........................................................ 56
4.1.1 Watch Dog LED ............................................................................... 56
4.1.2 Communication LEDs .................................................................... 57
4.1.3 Power LED ....................................................................................... 57
4.1.4 Relays ................................................................................................ 57
4.1.5 Power Setting ................................................................................... 57
4.2 RS-232 Interface Board ........................................................................ 57
4.3 RS 485 Interface Board ........................................................................ 57
4.4 SIOX Interface Board ........................................................................... 58
4.5 PRS Interface Board ............................................................................. 58
5 Level Unit ........................................................................................ 59
5.1 Description of the Level Unit .............................................................. 59
5.2 Information Flow within the Level Unit ............................................. 60
5.3 Restarting the Level Unit..................................................................... 61
5.4 Description of the Calculation Unit.................................................... 61
5.5 Signal Board, LCS ................................................................................. 62
5.5.1 Replacing a LCS............................................................................... 62
5.6 Processor Memory Board, LCM .......................................................... 62
5.6.1 Replacing the LCM ......................................................................... 62
5.7 Interface Board, LCI ............................................................................. 63
5.7.1 Troubleshooting the LCI................................................................. 63
5.7.2 Replacing the LCI ............................................................................ 64
5.8 Trim/List Unit, LT ................................................................................. 65
5.8.1 Replacing the Trim/List Unit ........................................................ 65
5.8.2 Adjusting the Trim/List Unit ........................................................ 66