7. PRINCIPLE OF OPERATION
7.1 General ...................................................................................................................................... 34
7.2 Flow Equations........................................................................................................................... 34
7.3 Linearization Table ..................................................................................................................... 35
7.6.1 Linearization Table General Information ................................................................... 35
7.6.2 Linearization Table for Pulse Inputs .......................................................................... 35
7.6.3 Linearization Table Interpolation ............................................................................... 35
8. TEST, SERVICE and MAINTENANCE
8.1 Test Menus ................................................................................................................................. 36
8.2 Test Sub-Menus ......................................................................................................................... 37
8.2.1 Audit Trail .................................................................................................................. 37
8.2.2 Error History .............................................................................................................. 37
8.2.3 Print System Setup ................................................................................................... 37
8.2.4 Keypad test ............................................................................................................... 38
8.2.5 Display test ............................................................................................................... 38
8.2.6 Calibrate 0mA out ..................................................................................................... 38
8.2.7 Calibrate 20mA out ................................................................................................... 38
8.2.8 Pulse input test ......................................................................................................... 39
8.2.9 Analog out test .......................................................................................................... 39
8.2.10 Excitation out test ................................................................................................... 40
8.2.11 Pulse out test .......................................................................................................... 40
8.2.12 Relay test ............................................................................................................... 40
8.2.13 Control input test..................................................................................................... 40
8.2.14 Data logger utility ................................................................................................... 40
8.3 Internal Fuse Replacement ........................................................................................................ 41
9. RS-232 SERIAL PORT
9.1 RS-232 Serial Port Description .................................................................................................. 42
9.2 Instrument Setup by PC Over Serial Port ................................................................................. 42
9.3 Operation of Serial Communication Port with Printers ............................................................... 42
9.4 LDB-ST1LE RS-232 Port Pinout ............................................................................................... 42
10. RS-485 SERIAL PORT
10.1 RS-485 Serial Port Description ................................................................................................ 43
10.2 General ................................................................................................................................... 43
10.3 Operation of Serial Communication Port with PC .................................................................... 43
10.4 LDB-ST1LE RS-485 Port Pinout ............................................................................................. 43
11. FLOW COMPUTER SETUP SOFTWARE
11.1 System Requirements .............................................................................................................. 44
11.2 Cable and Wiring Requirements .............................................................................................. 44
11.3 Installation for Windows™3.1 or 3.11 ....................................................................................... 44
11.4 Using the Flow Computer Setup Software ............................................................................... 44
11.5 File Tab ..................................................................................................................................... 45
11.6 Setup Tab ................................................................................................................................. 45
11.7 View Tab ................................................................................................................................... 46
11.8 Misc. Tab .................................................................................................................................. 46
12. GLOSSARY OF TERMS
12 Glossary Of Terms ...................................................................................................................... 47
13. DIAGNOSIS AND TROUBLESHOOTING
13.1 Response of LDB-ST1LE on Error or Alarm: .......................................................................... 51
13.2 Diagnosis Flow Chart and Troubleshooting ............................................................................. 52
13.3 Error & Warning Messages: ..................................................................................................... 53
13.3.1 Sensor/Process Alarms .......................................................................................... 53
13.3.2 Self Test Alarms ...................................................................................................... 53
Order Code and Warranty .............................................................................................................................. 54
APPENDIX A
Setup Menu Flowchart ..................................................................................................................... 55
CONTENTS
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