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Summary of Contents for RST Instruments Digital ThermArray System
- Page 1 Digital ThermArray System Installation Guide EPM0036 B...
- Page 2 Installation Guide Although all efforts have been made to ensure the accuracy and completeness of the information contained in this document, RST Instruments Ltd., reserves the right to change the information at any time and assumes no liability for its accuracy.
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Page 3: Table Of Contents
Digital ThermArray System Installation Guide ABLE OF ONTENTS ............................5 NTRODUCTION ThermArray Components ......................5 Associated Products ........................6 ............................6 NSTALLATION RS485 A ............................. 6 DAPTOR Adaptor Installation ........................7 RS485 C ..........................8 OMMANDS TTT Command ..........................8 TRT Command .......................... - Page 4 Digital ThermArray System Installation Guide IST OF IGURES Figure 1-1 ThermArray Connected to the Ultra Rugged Field PC ............5 Figure 3-1 RS232 and RS485 Terminal Connections ................6 IST OF ABLES Table 3-1 RS232 Terminal Connections for Logger Connection ............7 Table 3-2 RS232 Terminal Connections for Computer Connection .............
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Page 5: Introduction
Digital ThermArray System Installation Guide NTRODUCTION RST’s ThermArray System provides precise thermal gradient information for geotechnical, geothermal, and marine applications. The system consists of numerous digital thermal data acquisition nodes distributed along one or more linear cable segments, typically spaced at uniform intervals. -
Page 6: Associated Products
Digital ThermArray System Installation Guide SSOCIATED RODUCTS The RS485 adaptor is required for RS232 serial port communication. Refer to Section 3 for further information. NSTALLATION The ThermArray system may be used in numerous applications. Installation of the ThermArray system will differ per site specifications. -
Page 7: Adaptor Installation
Digital ThermArray System Installation Guide The RS232 COM port settings are Baud 115200, 8 data bits, no parity, and 1 stop bit. The RS485 port baud is factory fixed. Refer to Figure 3-1 for RS232 and RS485 terminal connections. DAPTOR NSTALLATION Refer to the following tables for terminal connections. -
Page 8: Rs485 Commands
Digital ThermArray System Installation Guide RS485 C OMMANDS Various commands can be used to retrieve information from connected instruments when the RS485 adaptor is connected to a computer running communication software. Temperature readings from the ThermArray node may be retrieved using two command sequences. -
Page 9: Gtt Command
Digital ThermArray System Installation Guide GTT C OMMAND The GTT command will cause the ThermArray node to send the latest temperature reading. If the TTT has not been processed, the entries in the returned reading defaults to 0 (zero). The entries are comma separated. -
Page 10: Service And Repair
Digital ThermArray System Installation Guide ERVICE AND EPAIR The product contains no user-serviceable parts. Contact RST for product service not covered in this manual. Refer to the inside title page of this manual for RST’s contact information. EPM0036 B RST Instruments Ltd. -
Page 11: Appendix A Therm Array Specifications
Digital ThermArray System Installation Guide Appendix A T HERM RRAY PECIFICATIONS A-1 T ABLE HERM RRAY PECIFICATIONS Item Description Temperature Range -20 to 50ºC Resolution 0.01 C Accuracy 0.07 C Time Constant 20 seconds Power Supply Voltage 7-13V DC Current per Node 0.8 mA... -
Page 12: Oggers
Digital ThermArray System Installation Guide Appendix B T HERM RRAY IRING EMO TO CR800/CR1000 L OGGERS EPM0036 B RST Instruments Ltd. Page B–1... -
Page 13: Appendix C Sample Cr800/Cr1000 Program
Digital ThermArray System Installation Guide Appendix C S CR800/CR1000 P AMPLE ROGRAM EPM0036 B RST Instruments Ltd. Page C–1...
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