Download DCell & DSC Strain Gauge or Load Cell Embedded Digitiser Module
Transcript
Chapter 9 Software Command Reference .........................................................................................55 Commands in Access Order ............................................................................................................ 55 Chapter 10 Installation ................................................................................................................57 Before Installation....................................................................................................................... 57 Physical Mounting........................................................................................................................ 57 Electrical Protection .................................................................................................................... 57 Moisture Protection ..................................................................................................................... 57 Soldering Methods ....................................................................................................................... 58 Power Supply Requirements ........................................................................................................... 58 Cable Requirements ..................................................................................................................... 58 Strain Gauge Input (DSC) ............................................................................................................... 58 Power and Communication............................................................................................................. 58 Temperature Sensor..................................................................................................................... 59 Identifying Strain Gauge Connections ................................................................................................ 59 DCell Input Connections ................................................................................................................ 59 DSC Input Connections .................................................................................................................. 59 Identifying Bus-End Connections ...................................................................................................... 60 DCell Bus Connections .................................................................................................................. 60 DSC4-RS485 Versions-Bus Connections ............................................................................................... 60 DSC2-RS232-Bus Connections .......................................................................................................... 60 Strain Gauge Cabling and Grounding Requirements ............................................................................... 61 DCell Strain Gauge Wiring .............................................................................................................. 61 DCell Strain Gauge Wiring Arrangement ............................................................................................. 61 DSC Strain Gauge Cabling Arrangement ............................................................................................. 62 Communications Cabling and Grounding Requirements........................................................................... 62 DCell Power and Communications Wiring ........................................................................................... 62 DSC4-RS485 Versions- Power and Communications Wiring ....................................................................... 63 DSC2-RS232 Versions Bus-End Arrangement......................................................................................... 63 Suitable Cable Types .................................................................................................................... 64 DCell/DSC4-RS485 Versions-RS485 Bus Cable ....................................................................................... 64 Warning: Special Problems with Portable Computers ............................................................................. 64 To Avoid These Problems............................................................................................................... 64 RS232 Bus Layout ........................................................................................................................ 64 RS485 Bus Layout ........................................................................................................................ 64 RS485 Bus Connections for Multiple DCells.......................................................................................... 65 RS485 Bus Connections for Multiple DSC RS485 Versions ......................................................................... 65 RS232 & RS485 Bus Converters ........................................................................................................ 66 Strain Gauge Sensitivity Adjustment (DSC ONLY) .................................................................................. 67 Identifying the DSC ‘Rg’ Resistor ..................................................................................................... 67 Chapter 11 Troubleshooting .........................................................................................................68 LED Indicator ............................................................................................................................. 68 No Communications ..................................................................................................................... 68 Bad Readings ............................................................................................................................. 69 Unexpected Warning Flags ............................................................................................................. 69 Problems With Bus Baud Rate ......................................................................................................... 70 Recovering a ”lost” DCell/DSC ........................................................................................................ 70 Chapter 12 Specifications.............................................................................................................71 Technical Specifications DSC/DCELL High Stability................................................................................ 71 Technical Specifications DSC/DCELL Industrial Stability ......................................................................... 72 Mechanical Specification for DSC ..................................................................................................... 73 Mechanical Specification for DCell ................................................................................................... 73 CE Approvals.............................................................................................................................. 73 Warranty .................................................................................................................................. 74 3 Mantracourt Electronics Limited DCell & DSC User Manual