
MICRONOR SENSORS FOTEMP MINI OEM Signal Conditioner
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Table of Contents
Revision History....................................................................................................... 2
1. Product Description............................................................................................................ 4
2. Initial Preparation............................................................................................................... 6
2.1 Unpacking and Inspection ............................................................................... 6
2.2 Damage in Shipment ....................................................................................... 6
2.3 Standard Contents ........................................................................................... 6
2.4 Warranty Information ....................................................................................... 7
3. Installation and Operation ................................................................................................. 8
3.1 Mounting the Unit............................................................................................. 8
3.2 Electrical Connections to the Unit................................................................... 9
3.3 Connecting the TS Temperature Probe.........................................................10
3.4 System Start-Up..............................................................................................10
4. Serial Communications.................................................................................................... 11
4.1 Introduction to UART Operation and Data Frame ........................................11
4.2 FOTEMP ASCII Serial Protocol........................................................................12
4.3 Communicating via FOTEMP-Assistant .........................................................13
4.4 Direct Serial Communications via PuTTY Terminal Emulator......................14
4.5 Sample Arduino Program...............................................................................15
5. FOTEMP MINI Specifications ........................................................................................... 16
6. FOTEMP MINI Theory of Operation.................................................................................. 17
7. FOTEMP MINI Reference Drawing................................................................................... 18
List of Figures
Figure 1. The SFF Weidmann FOTEMP MINI OEM Signal Conditioner........................ 4
Figure 2. How to identify Versions 1 and 2 of the FOTEMP MINI Signal Conditioner 8
Figure 3. Location of FOTEMP MINI Mounting Holes................................................... 8
Figure 4. Location of Power Supply and Serial Interface Connections ...................... 9
Figure 5. How TS Probe is connected to FOTEMP MINI ............................................10
Figure 6. UART Data Frame used by FOTEMP System ..............................................11
Figure 7. Setting Serial Port Settings via Device Manager .......................................13
Figure 8. Example of FOTEMP MINI Serial Communications Dialog using PuTTY...15
Figure 9. Sample Arduino Program.............................................................................15
Figure 10. FOTEMP MINI Theory of Operation ...........................................................17
Figure 11. Advantages of GaAs Fiber Optic Thermometry versus Thermocouples .17
List of Tables
Table 1. FOTEMP ASCII Command List ....................................................................12