
Model FP-624D
FP-624D Instruction Manual iii
Table of Contents
1. Introduction............................................................................................................................................ 1
1.1 Description.....................................................................................................................................1
1.2 Modular Mechanical Design...........................................................................................................3
1.3 Relay Outputs ................................................................................................................................5
2. Installation ............................................................................................................................................. 6
2.1 Operational Guidelines for Safe Use...............................................................................................6
2.2 Sensor Placement...........................................................................................................................6
2.3 Sensor Contaminants and Interference............................................................................................7
2.4 Mounting Installation .....................................................................................................................8
2.5 Electrical Installation......................................................................................................................8
2.6 Field Wiring...................................................................................................................................9
2.7 Remote Mounting Installation ...................................................................................................... 11
2.7.1 Bridge Voltage Adjustment...................................................................................................... 11
2.8 Initial Start Up .............................................................................................................................12
3. Operation ............................................................................................................................................. 13
3.1 Programming Magnet Operating Instructions................................................................................ 13
3.2 Operator Interface ........................................................................................................................14
3.3 Normal Operation ........................................................................................................................16
3.4 Calibration Mode (AutoSpan)....................................................................................................... 16
3.4.1 AutoZero .................................................................................................................................16
3.4.2 AutoSpan................................................................................................................................. 17
3.5 Program Mode .............................................................................................................................18
3.5.1 View Sensor Status ..................................................................................................................19
3.5.2 Set AutoSpan Level ................................................................................................................. 21
3.5.3 Set Gas Factor..........................................................................................................................21
3.5.4 Set Cal Factor ..........................................................................................................................23
3.5.5 Set Bridge Voltage................................................................................................................... 23
3.5.6 Signal Output Check................................................................................................................ 24
3.5.7 Restore Factory Defaults.......................................................................................................... 24
3.5.8 Set Serial ID ............................................................................................................................25
3.5.9 Alarm 1 and 2 Settings............................................................................................................. 26
3.5.10 Fault Settings....................................................................................................................... 26
3.6 Program Features .........................................................................................................................27
3.6.1 Operational Features ................................................................................................................27
3.6.2 Fault Diagnostic/Failsafe Features............................................................................................ 28
4. RS-485 Modbus
TM
Protocol.................................................................................................................. 30
5. Service and Maintenance...................................................................................................................... 32
6. Troubleshooting Guide......................................................................................................................... 34
7. Customer Support and Service Policy................................................................................................... 37
8. FP-624D Sensor Warranty.................................................................................................................... 38
9. Appendix.............................................................................................................................................. 39
9.1 Specifications...............................................................................................................................39
9.2 Spare Parts, Sensor Accessories, Calibration Equipment............................................................... 41
9.3 Revision Log................................................................................................................................42
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