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VENTURA, CA, USA

For Sales & Support in North America:

MICRONOR SENSORS INC.

2085 Sperry Ave, Suite A-1

Ventura, CA 93003 USA

+1-805-389-6600

[email protected]

www.micronor.com

HQ and Worldwide Sales & Support:

WEIDMANN TECHNOLOGIES DEUTSCHLAND GMBH

Washingtonstrasse 16

D-01139, Dresden

Germany

+49-351-8430-5990

[email protected]

www.weidmann-optocon.com

Notice of Proprietary Rights

The design concepts and engineering details embodied in this manual, are the property of MICRONOR SENSORS and WEIDMANN

TECHNOLOGIES, and to be maintained in strict confidence; no element or detail of this manual is to be spuriously used, nor

disclosed, without the express written permission of MICRONOR SENSORS. All rights are reserved. No part of this publication

may be reproduced, stored in a retrieval system, or transmitted in any form or any means, electronic, mechanical, photocopying,

recording, or otherwise, without prior written permission from MICRONOR SENSORS.

FOTEMP MINI

OEM Signal Conditioner

User Manual

Document: 98-OPTC-26

Revision A dated 08-Sept-2022

Содержание FOTEMP MINI

Страница 1: ...pts and engineering details embodied in this manual are the property of MICRONOR SENSORS and WEIDMANN TECHNOLOGIES and to be maintained in strict confidence no element or detail of this manual is to be spuriously used nor disclosed without the express written permission of MICRONOR SENSORS All rights are reserved No part of this publication may be reproduced stored in a retrieval system or transmi...

Страница 2: ...MICRONOR SENSORS FOTEMP MINI OEM Signal Conditioner Page 2 of 18 Revision History Revision Date Notes A 08 Sept 2022 Initial Release Specifications are subject to change without notice ...

Страница 3: ...e 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 Connectio...

Страница 4: ...hgear and Transformers requires electrical isolation and immunity to electrical fields Figure 1 The SFF Weidmann FOTEMP MINI OEM Signal Conditioner The FOTEMP MINI is compatible with all TS series high precision GaAs fiber optic temperature probes The sensors are entirely non metallic and electrically passive providing immunity to EMI RFI MR microwaves and radiation is required Features Smallest f...

Страница 5: ...age 5 of 18 Applications For embedded instrument applications EMI RFI and microwave environments High voltage environments Harsh and hazardous environments Nuclear environments Aerospace applications Process monitoring Medical and imaging applications MRI ...

Страница 6: ...ed 2 2 Damage in Shipment If you receive a damaged instrument you should Report the damage to your shipper immediately Inform local Weidmann Technologies representative or HQ Save all shipping cartons Failure to follow this procedure may affect your claim for compensation 2 3 Standard Contents FOTEMP MINI OEM Signal Conditioner FOTEMP MINI board with ST Pigtail use ESD protection when handling ST ...

Страница 7: ...the balance of the original warranty period or at least 90 days Limitations of Warranty This warranty does not apply to defects resulting from unauthorized modification or misuse of any product or part This warranty also does not apply to Fiber Optic Connector interfaces fuses or AC line cords This warranty is in lieu of all other warranties expressed or implied including any implied warranty of m...

Страница 8: ... MINI Version 1 FOTEMP MINI Version 2 Pin connectors for Power Supply and Serial Port are located on front of board Pin connectors for Power Supply and Serial Port are located on back trace side Figure 2 How to identify Versions 1 and 2 of the FOTEMP MINI Signal Conditioner In either case the mounting holes are in the same location as shown in Figure 3 Use appropriately sized stand offs and allow ...

Страница 9: ... Electrical Connections viewed from Component Side Electrical Connections Viewed from Back Trace Side Figure 4 Location of Power Supply and Serial Interface Connections IMPORTANT NOTE Your Microcontroller s MC UART or Serial Interface should be set for 57 600 baudrate 8 bits data 1 stop bit no parity no flow control MC RxD input connects to the FTMINI TXD output MC TxD output connects to the FTMIN...

Страница 10: ...TEMP MINI signal conditioner Figure 5 How TS Probe is connected to FOTEMP MINI The proper technique for making ST connection to the FOTEMP MINI 1 Align key of ST plug with matching key slot of ST adapter 2 Gently guide the ferrule into the adapter 3 Twist and engage bayonet pin lock IMPORTANT NOTE Never force the ST Plug into the ST Receptacle Otherwise you might damage the ST plug and alignment s...

Страница 11: ...duplex each side speaks but only one at a time or full duplex both sides can transmit simultaneously Data in UART is transmitted in the form of frames As shown in Figure 6 the FOTEMP system s UART data frame consists of one start bit 8 bits data one stop bit no parity and no flow control clocked at 57 600 baudrate Figure 6 UART Data Frame used by FOTEMP System One of the big advantages of UART is ...

Страница 12: ...lf 00 cr lf Hex equivalent of FTMINI 41 Serial number 41 cr 41 30 30 36 30 31 39 36 cr lf 00 cr lf Hex equivalent of S N 0050196 42 Firmware version 42 cr 41 33 2E 30 33 31 cr lf 00 cr lf Hex equivalent of Version 3 031 75 Temperature Offset 75 1 cr 75 0000 cr lf 00 cr lf 75 0001E cr lf 00 cr lf Convert hexadecimal value to decimal value in tenth of Kelvin 0 0 K 0x001E converts to 30 base10 3 0 K ...

Страница 13: ...8 psc 1 Serial port connections White TXD to FTMINI RxD Green RXD to FTMINI TxD Black GND to FTMINI GND As shown in Figure 7 access Windows Device Manager to note the COMx virtual com port assignment under Ports COM LPT Click on the COMx port assigned to your device COM4 in this example and set the FOTEMP compatible Port Settings as follows Bits Per Second 57600 Data bits 8 Parity None Stop Bits 1...

Страница 14: ...n RXD to FTMINI TxD Black GND to FTMINI GND As shown in Figure 7 access Windows Device Manager to note the COMx virtual com port assignment under Ports COM LPT Click on the COMx port assigned to your device COM4 in this example and set the FOTEMP compatible Port Settings as follows 57 600 bits per second baudrate 8 Data bits No Parity 1 Stop bit No Flow control Run PuTTY and open a Session with th...

Страница 15: ...MICRONOR SENSORS FOTEMP MINI OEM Signal Conditioner Page 15 of 18 Figure 8 Example of FOTEMP MINI Serial Communications Dialog using PuTTY 4 5 Sample Arduino Program Figure 9 Sample Arduino Program ...

Страница 16: ...TL UART Rx Tx GND 57 600 Baud 1 Start bit 8 Data bits 1 stop bit no parity Serial Protocol Stancard Optocon ASCII protocol as described in Application Note AN123 Power Supply 7 to 12VDC 700mA Optical Interface Eye Safe Interface ST PC Simplex Compatible with all TS series GaAs FO temperature probes 200 220 245 Polyimide Coated Step Index Fiber VIS IR Low OH Source Type Broadband white light Maximu...

Страница 17: ...n the same theory of operation as the FOTEMP signal conditioners Figure 10 FOTEMP MINI Theory of Operation As shown in Figure 11 GaAs based fiber optic temperature probes and FOTEMP signal conditioners are deployed wherever conventional convention thermocouples cannot be used Figure 11 Advantages of GaAs Fiber Optic Thermometry versus Thermocouples ...

Страница 18: ...MICRONOR SENSORS FOTEMP MINI OEM Signal Conditioner Page 18 of 18 7 FOTEMP MINI Reference Drawing ...

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