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Summary of Contents for Sensorsoft ST6105J
- Page 1 Sensorsoft Sensorsoft Thermometer User Manual Models ST6105J, ST6105C and ST6154J Manual P/N 071-0014 Rev 9 December 3, 2007 Copyright © 1999-2007 Sensorsoft Corporation, All rights reserved. Sensorsoft and Soft Thermometer are trademarks of Sensorsoft Corporation.
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Page 3: Table Of Contents
Avoid making invalid judgements or comparisons..............10 Use the proper instrument and method to make comparisons..........10 What to do, if you believe the Sensorsoft device is reading incorrectly ........11 Making extension cables for C-Suffix Sensorsoft Devices............12 Making communication cables for J-Suffix Sensorsoft Devices............ 13 Writing programs for the Sensorsoft Thermometer............... -
Page 4: Overview
The ST6105C, ST6105J and ST6154J Soft Thermometers are RS232 compatible serial devices based on the Sensorsoft Device Protocol. The ST6105C and ST6105J have a built-in temperature sensor and are intended for applications where the customer needs to monitor or measure temperature in rooms or warehouses. -
Page 5: Installing The Sensorsoft Thermometer
C200X cable to connect this device to your computer or device server. Please refer to the Sensorsoft price list for available types. If you intend to make your own custom cable for a J-Suffix Sensorsoft device, please refer to Making communication cables for J-Suffix Sensorsoft Devices. - Page 6 Sensorsoft Thermometer User Manual If you are connecting a Sensorsoft Thermometer to a device server please be sure to configure the port as follows: • 1200 bps, 8 bits, no parity, 1 stop bit • Turn off autobaud • Flow control set to none •...
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Page 7: St6105C Sensorsoft Thermometer Specifications
Maximum extension cable length: 305 m (1000 ft.) using recommended cable type. Low capacitance shielded cable or UTP is recommended. Communications Protocol: Sensorsoft Device Protocol, Version 2.0 Error control: 16 bit CRC (cyclic redundancy checking) for detection of communication errors... -
Page 8: St6105J Sensorsoft Thermometer Specifications
Maximum communications cable length: 305 m (1000 ft.) using recommended cable type. Low capacitance shielded cable or UTP is recommended. Communications Protocol: Sensorsoft Device Protocol, Version 2.0 Error control: 16 bit CRC (cyclic redundancy checking) for detection of communication errors... -
Page 9: St6154J Sensorsoft Thermometer Specifications
Maximum communications cable length: 305 m (1000 ft.) using recommended cable type. Low capacitance shielded cable or UTP is recommended. Communications Protocol: Sensorsoft Device Protocol, Version 2.0 Error control: 16 bit CRC (cyclic redundancy checking) for detection of communication errors... -
Page 10: Resolution, Accuracy And Calibration
Use the proper instrument and method to make comparisons We recommend one of the following instruments (or equivalent) that have a recently dated traceable calibration certificate, for judging the accuracy or stability of your Sensorsoft device: • Vaisala HM34 Humidity & Temperature Meter (Hand held, approx. price $500 USD) •... -
Page 11: What To Do, If You Believe The Sensorsoft Device Is Reading Incorrectly
Return the Sensorsoft device to our factory for repair or calibration. See Returns at the end of this guide. Charges may apply if the unit is out-of-warranty or if we find no evidence that the device is out-of-calibration. -
Page 12: Making Extension Cables For C-Suffix Sensorsoft Devices
Making extension cables for C-Suffix Sensorsoft Devices In some applications it is not possible to use pre-assembled cables. When installing the Sensorsoft device at a remote location it may be necessary to run cables through walls, ceiling or conduits where connectors would get jammed. In this situation it makes sense to run the cables and then terminate them, on-site, using hand tools. -
Page 13: Making Communication Cables For J-Suffix Sensorsoft Devices
A properly made cable will allow your Sensorsoft device to operate reliably over long cable lengths up to 305 m (1000 ft) long. You may connect the Sensorsoft device to the port with as little as three wires (RX,TX and GND) using inexpensive unshielded telephone wire. However... - Page 14 Sensorsoft Thermometer User Manual Cable P/N C2000 9 pin Serial Port to Sensorsoft Device DB-9F to RJ45 modular plug 9 pin Port Sensorsoft Device white-green white-orange white-brown POWER +V blue POWER +V SIGNAL GND green P/N C2000 is for use with PC’s and most other devices which have a 9 position serial port.
- Page 15 Sensorsoft Thermometer User Manual Cable P/N C2012 DCE Serial Port to Sensorsoft Device DB-25M to RJ45 modular plug DCE Port Sensorsoft Device white-green white-orange white-brown POWER +V blue POWER +V SIGNAL GND green P/N C2012 is for use with some multiport cards and terminal servers which have a DCE...
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Page 16: Writing Programs For The Sensorsoft Thermometer
NULL bytes In order to make use of the port powered feature of the Sensorsoft device you must enable serial port lines DTR and RTS when the port is opened. A delay of 1-2 seconds is required after opening the serial port before any commands are sent to the Sensorsoft device. - Page 17 Sensorsoft Thermometer User Manual ARGUMENT-byte The number of the Sensorsoft Thermometer's internal register you want to read or write. This byte is required for the temperature command. This byte is not required for the status command. CRC-bytes A two byte (16 bit) Cyclic Redundancy Check that is calculated on the entire packet from the CMD byte to the last ARGUMENT byte or ADDRESS byte.
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Page 18: Receiving Responses From The Sensorsoft Thermometer
A two byte (16 bit) Cyclic Redundancy Check. This placeholder is filled with CRC bytes calculated by the Sensorsoft device on the entire packet from the RESPONSE byte to the last DATA-byte. These bytes allow the host to verify the integrity of the response packet. You may choose to use or ignore these bytes depending on your programming skill or application. -
Page 19: Converting Data-Byte(S) To Temperature Readings
A logic one condition on any of these bits indicates the condition is set or active. Otherwise they are reset to logic zero. It is a good practice for the host to check the status of the Sensorsoft device on a regular basis in case a bit changes state. - Page 20 (single precision) and has a useable resolution of 0.1 degree Celsius. Commands that query register 2 in the Sensorsoft Thermometer will receive a four byte response in the DATA-byte(s) placeholder. Decoding these IEEE Floating-Point bytes is beyond the scope of this document.
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Page 21: Reading The Sensorsoft Id Record
Sensorsoft Thermometer User Manual Reading the Sensorsoft ID Record Every Sensorsoft device (SSD) accepts an identification (ID) command, whose response can be used to uniquely identify the type of SSD currently connected. Specifically, the model number and description can be extracted from the SSD’s ID response, allowing application software to determine the specific model of the SSD connected and to configure itself appropriately. - Page 22 Sensorsoft Thermometer User Manual Sample ID response packet from a ST6105 Sensorsoft Thermometer Byte Contents <90h> <4Fh> <00h> <01h> <00h> <00h> <03h> <03h> <07h> Sensorsoft (R) Thermometer<00h> Sensorsoft Corp.<00h> ST6105J<00h> 4.00<00h> <FFh> <CEh> <CBh>...
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Page 23: Getting Help
30 Day Money Back Guarantee If for any reason you want to return a Sensorsoft product for a refund, you can do so within 30 days (calendar days) of your purchase. The refund does not include shipping or brokerage fees you may have incurred or paid. -
Page 24: Fcc Compliance And Advisory Statement
Warning: Changes or modifications to this device not explicitly approved by Sensorsoft Corporation will void the user's authority to operate this device.
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