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Summary of Contents for Sensorsoft ST6105J
- Page 1 Sensorsoft Thermometer User’s Manual Models ST6105J, ST6105C and ST6154J Manual P/N 071-0014 Rev 18 February 21, 2019 Copyright © 1999-2019 Sensorsoft Corporation, All rights reserved. Sensorsoft and Soft Thermometer are trademarks of Sensorsoft Corporation.
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Page 3: Table Of Contents
Appropriate measurement instruments for making comparisons ..........11 Correct method for making comparisons................... 12 What to do if you believe the Sensorsoft device is reading incorrectly ........12 Making extension cables for C-Suffix Sensorsoft Devices............13 Making communication cables for J-Suffix Sensorsoft Devices............ 15 Writing custom software programs for the Sensorsoft Thermometer ........... -
Page 4: About This Manual
This document contains information about using Sensorsoft Thermometers. When other sections of this manual are referenced, italics are used. The Sensorsoft Thermometer may be referred to as a thermometer, device, Soft Thermometer, Sensorsoft device or SSD (Sensorsoft Soft Device) throughout the manual. -
Page 5: Overview
Overview The ST6105J, ST6105C and ST6154J Soft Thermometers are RS232 compatible serial devices based on the Sensorsoft Device Protocol (SSDP). The ST6105C and ST6105J have a built-in temperature sensor and are intended for applications requiring measurement of temperature in heated or air conditioned rooms and warehouses. These products are not conformal coated and are therefore not intended for environments with high moisture or condensation. -
Page 6: 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 of cables). If you intend to make a custom cable for a J-Suffix Sensorsoft device, please refer to Making communication cables for J-Suffix Sensorsoft Devices. - Page 7 Note the physical port number where you plugged the cable into your computer or device/console server. If the Sensorsoft Thermometer is being plugged into a Windows based computer that has only one COM port, the port number is usually COM1. If you are using a USB to serial adapter, you need to refer to the operating system’s serial port (COM) listing.
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Page 8: St6105J (V6.5) Sensorsoft Thermometer Specifications
Maximum communications cable length: 305 m (1000 ft.) using recommended cable type. Low capacitance shielded cable or UTP is recommended. Firmware Version: 6.5 Communications Protocol: Sensorsoft Device Protocol (SSDP) Version 2.0 and Simple Text Commands Interface Error control: 16 bit CRC (cyclic redundancy checking) for detection of communication errors... -
Page 9: St6105C (V6.5) Sensorsoft Thermometer Specifications
Maximum extension cable length: 305 m (1000 ft.) using recommended cable type. Low capacitance shielded cable or UTP is recommended. Firmware Version: 6.5 Communications Protocol: Sensorsoft Device Protocol (SSDP) Version 2.0 and Simple Text Commands Interface Error control: 16 bit CRC (cyclic redundancy checking) for detection of communication errors... -
Page 10: St6154J (V6.5) Sensorsoft Thermometer Specifications
Maximum communications cable length: 305 m (1000 ft.) using recommended cable type. Low capacitance shielded cable or UTP is recommended. Firmware Version: 6.5 Communications Protocol: Sensorsoft Device Protocol (SSDP) Version 2.0 and Simple Text Commands Interface Error control: 16 bit CRC (cyclic redundancy checking) for detection of communication errors... -
Page 11: Resolution, Accuracy And Calibration
Measurement device has its active sensing element more than one inch (2.5 cm) away from the Sensorsoft device’s sensing element Measurement device has lower accuracy specifications as compared to the Sensorsoft device Measurement device has unknown accuracy specifications ... -
Page 12: Correct Method For Making Comparisons
What to do if you believe the Sensorsoft device is reading incorrectly If, after following the above method, you find the Sensorsoft device isn’t reading within its stated specifications, you can obtain an RMA to return it to our factory for repair. See Returns at the end of this manual. -
Page 13: Making Extension Cables For C-Suffix Sensorsoft Devices
NOTE - A C-suffix Sensorsoft device has a built-in cable. This includes model ST6105C. Figure 1: Illustrates a C-suffix Sensorsoft device with a built-in molded cable and DB-9F connector. IMPORTANT - A properly made extension cable will allow your Sensorsoft device to operate reliably over long cable lengths up to... - Page 14 Figure 2: C2100 cable is used to extend the cable length for model ST6105C. The DB-9F end of the cable plugs into a DB-9M serial port. The DB-9M end of the cable plugs into the DB-9F connector on the SSD. PIN-OUT OF THE DB-9F CONNECTOR ON MODEL ST6105C Note: Only positions used in Sensorsoft device application are shown Position Function...
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Page 15: Making Communication Cables For J-Suffix Sensorsoft Devices
305 m (1000 ft) using SSDP-compliant software. 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, the host may need to set the number of retries high in order to overcome the effect of occasional noise/interference and would require the use of an external power supply (PA6106 or PA6206) at the Sensorsoft device. - Page 16 Sensorsoft Thermometer User’s Manual The Sensorsoft device modular-jack connector uses the same UTP wire map as 10-BASE-T. It is therefore possible to use this type of cabling system for Sensorsoft devices. PIN-OUT OF THE MODULAR 8 POSITION JACK/PLUG ON A SENSORSOFT DEVICE Note: Terminal No.
- Page 17 Sensorsoft Thermometer User’s Manual Figure 4: The C2000 cable is used to connect a J-suffix Sensorsoft device to most computers or devices that have a DB-9M serial port. The DB-9F end of the cable plugs into a DB-9M serial port. The RJ-45 end of cable plugs into the SSD.
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Page 18: Writing Custom Software Programs For The Sensorsoft Thermometer
Sensorsoft Device Protocol (SSDP) for Advanced Programmers This software method is the most advanced way of supporting Sensorsoft devices. It has several advantages over the Simple Text Commands Interface discussed above. These include: CRC error detection for use over long serial cables (1000 ft) ... - Page 19 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 20 Sensorsoft Thermometer User’s Manual Send the following bytes to request a status reading: <C1h><0Bh><00h><01h><00h><00h><00h><00h><00h><47h><98h> Send the following bytes to request a temperature reading in Celsius (0.5 C resolution): <C5h><0Ch><00h><01h><00h><00h><00h><00h><00h><01h><0Eh><49h> Send the following bytes to request a temperature reading in Celsius (0.1 C resolution):...
- Page 21 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 22 A “logic one” condition on any of these bits indicates the condition is set or active. Otherwise, they are reset to “logic zero”. It’s a good practice for the host to check the status of the Sensorsoft device regularly in case a bit status changes.
- Page 23 Standard (single precision) and has a useable resolution of 0.1 degree Celsius. Commands that query register or variable <02h> in the Sensorsoft Thermometer will receive a four byte response in the DATA-byte(s) placeholder. Decoding these IEEE 754 Floating-Point bytes is beyond the...
- Page 24 Sensorsoft Thermometer User’s Manual Reading the SSDP ID Record Every Sensorsoft device (SSD) accepts an identification (ID) command in order to uniquely identify the type of SSD currently connected. 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 and to configure the software appropriately.
- Page 25 Sensorsoft Thermometer User’s Manual Sample ID response packet from a ST6105J 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 26: 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. -
Page 27: 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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