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TABLE OF CONTENTS

SAFETY CONSIDERATIONS:

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WHAT SIGNAL CONDITIONERS DO:

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II.

MODEL OF UNIT :

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III.

RS485 SERIAL COMMUNICATION SETUP:

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IV.

COMMANDS FOR ACCESSING EEPROM:

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DESCRIPTION OF DATA :

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VI.

COMMANDS FOR MEASUREMENT VALUES:

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VII.

COMMANDS FOR READING MODEL/INPUT TYPE:

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VIII.

RESET COMMANDS:

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IX.

SAMPLE PROGRAM:

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MODBUS REGISTER DEFINITIONS:

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SPECIFICATIONS

iDRX-ACC

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iDRX-ACV

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iDRX-FP

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iDRX-PR

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iDRX-RTD

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iDRX-ST

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iDRX-TC

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ILLUSTRATIONS

Dimensions

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Typical Computer Setup

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Содержание iDRX Series

Страница 1: ...iDRX ACC iDRX ACV iDRX FP iDRX PR iDRX RTD iDRX ST iDRX TC Communication Manual for iDRX Signal Conditioner Series http www newportUS com manuals NEWPORT Electronics Inc...

Страница 2: ...mark to every appropriate device upon certification The information contained in this document is believed to be correct but NEWPORT Electronics Inc accepts no liability for any errors it contains and...

Страница 3: ...ESSING EEPROM 5 V DESCRIPTION OF DATA 7 VI COMMANDS FOR MEASUREMENT VALUES 16 VII COMMANDS FOR READING MODEL INPUT TYPE 17 VIII RESET COMMANDS 17 IX SAMPLE PROGRAM 18 X MODBUS REGISTER DEFINITIONS 20...

Страница 4: ...rain or moisture Unit mounting should allow for adequate ventilation to ensure instrument does not exceed operating temperature rating Use electrical wires with adequate size to handle mechanical str...

Страница 5: ...levels are changed All set up may be done by using the Set up Software running on a computer or by user supplied programs II MODEL OF UNIT There are 7 models available THERMOCOUPLE iDRX TC RTD iDRX RT...

Страница 6: ...lished To check the communication any of the commands may be tried i e 01X01 would return the current measured signal value For Hyper Terminal Windows 95 Start the Hyper Terminal Program from programs...

Страница 7: ...label if different from default Resetting Communication Parameters to Factory Defaults To restore the communication parameters to the factory default settings two test points must be shorted together...

Страница 8: ...t Panel Power Indicator LED will NOT turn on 5 After power has been applied to the unit for about 3 seconds remove jumper S1 A or open the TP6 TP17 connection without turning off the power 6 The commu...

Страница 9: ...Odd Parity 7 Data Bits 1 Stop Bit 10 To permanently write the above default communication parameters to EEPROM send the following sequence of commands 01W0B2A Unit Response 01W0B 01W0A01 Unit Response...

Страница 10: ...on recog char 1 12 R W 0C Unit of measure 3 13 R W 0D Gate time 1 14 R W 0E Debounce time 1 15 R W 0F Transmit time 2 16 R W 12 Reading Scale iDRX PR 3 17 R W 13 Reading Offset iDRX PR 3 NOTE 1 Data N...

Страница 11: ...address in hexadecimal default is 01 Address may be from 01 to FF C Is the command letter must be capital W For writing to the EEPROM requires data R For reading from the EEPROM doesn t require data x...

Страница 12: ...DESCRIPTION OF DATA For the following Bit Pattern The LSB is always bit 0 Bit numbers are always counted from right to left with the rightmost digit being bit 0 and the next to the left would be bit 1...

Страница 13: ...frequency 60Hz 1 Line frequency 50Hz c INPUT RANGE BIT NO VALUE PROCESS PR STRAIN ST 3 0 0000 0 20 mA 30 mV 0001 400 mV 100 mV 0010 1 V 0011 2 V 0100 5 V 0101 10 V 0110 1111 not used 4 0 14V Excit Int...

Страница 14: ...yte data 2 characters Bit pattern is BIT NO VALUE MEANING TC RTD ACV ACC ST PR FP 1 0 00 Degree C 01 Degree F Freq mode 10 Degree K Totalizer 11 Degree K Totalizer Freq mode 2 0 Temp compensation See...

Страница 15: ...his is one byte 2 characters as value meaning 1 XXXXXX 2 XXXXX X 3 XXXX XX 4 XXX XXX 5 XX XXXX 6 X XXXXX Note 1 For TC and RTD models value must be 1 to 3 only 4 FILTER TIME CONSTANT This is one byte...

Страница 16: ...5678 345678 x 10 9 value will be 345678 decimal 5464E hex bit 19 1 for negative bits 20 23 DP 10 A hex then data will be AD464E hex 6 ANALOG OUTPUT READING OFFSET Deviation applied to input to get a h...

Страница 17: ...s 0 Note 1 Stop bit is always 1 Unless 7 data no parity is selected then unit will use 2 stop bits Note 2 When 8 Data bit is selected only NO PARITY is allowed 8 BUS FORMAT This is one byte data as Bi...

Страница 18: ...include valley reading For models PR ST FP bit 3 0 1 Means do not include include peak reading For models TC RTD ACV ACC bits 4 Not used Set to 0 For models PR ST FP bits 4 0 1 Means do not include in...

Страница 19: ...ue 00 to FA Each count equals 10ms If 0 then gate time 3ms Example 1 second gate time 64 hex For value FB to FF Value Gate time FB 5 seconds FC 10 seconds FD 20 seconds FE 40 seconds FF 80 seconds 14...

Страница 20: ...X03 Valley reading Models PR ST FP 01X03 Peak reading value 01X04 Valley reading 01V01 For all models String of values Received values are in decimal with decimal point and no sign for positive and mi...

Страница 21: ...For models TC RTD ACV ACC Reset peak and valley For models PR ST Reset process totalize value 01Z04 For models PR ST FP Reset peak value 01Z05 For models PR ST FP Reset valley value 01Z07 For models...

Страница 22: ...GOTO ER ON TIMER 1 GOSUB RDG CLS CLOSE 1 COLOR 1 7 LOCATE 22 30 PRINT PRESS ESC TO END OPEN COM1 9600 O 7 1 CS DS FOR RANDOM AS 1 LOCATE 10 30 PRINT READING TIMER ON DO LOOP UNTIL INKEY CHR 27 COLOR 7...

Страница 23: ...CHR 13 0 IF DAT THEN LOCATE 5 30 COLOR 28 PRINT COMMUNICATION ERROR P 1 ELSE IF P 1 THEN LOCATE 15 30 COLOR 7 0 PRINT 24 SPACES P 0 END IF LOCATE 10 40 D MID DAT 6 DAT LEFT D LEN D 1 COLOR 1 7 PRINT D...

Страница 24: ...lue Hard Reset 3 11 Peak Value Reset Peak 1 12 Valley Value Reset Valley 1 13 Not Supported M S bytes Output Scale 2 14 Not Supported L S byte Output Scale 1 15 Not Supported M S bytes Output Offset 1...

Страница 25: ...in Value Hard Reset 3 11 Peak Value Reset Peak 1 12 Valley Value Reset Valley 1 13 Not Supported L S bytes Output Scale 2 14 Not Supported M S byte Output Scale 1 15 Not Supported M S bytes Output Off...

Страница 26: ...full scale for 10 seconds ANALOG TO DIGITAL TECHNIQUE Dual slope READ RATE 3 readings second ACCURACY AT 25 C 0 2 of FS from 30 Hz to 1 KHz TEMPERATURE STABILITY 10 100 mA Range 100 ppm C typical 1 Am...

Страница 27: ...T 25 C 400 mV 4V 40V and 400V ranges 49 Hz to 500 Hz 0 2 of FS 30 Hz to 1KHz 0 2 of FS 10 counts TEMPERATURE STABILITY 400 mV and 40 Volt range 150 ppm C typical 4V and 400 Volt range 100 ppm C typica...

Страница 28: ...or Input Level 0 12 V Quadrature Reset input used as second input Range 99999 to 999999 if reading is larger than 999999 then reading is converted to floating point number i e 9 99E9 minimum 9 99E9 ma...

Страница 29: ...ample Connecting different signal sources 1 2 3 4 1 2 3 4 J2 J2 J2 J2 Excitation Quadrature Encoder A B 1 2 3 4 J2 EXC EXC A B 1 2 3 4 1 2 3 4 J2 J2 J2 J2 Excitation Quadrature Encoder A B 1 2 3 4 J2...

Страница 30: ...e ANALOG TO DIGITAL TECHNIQUE Multiple slopes READ RATE 8 readings second automatic polarity ACCURACY AT 25 C 0 1 of FS 2 counts TEMPERATURE STABILITY 100 ppm C typical STEP RESPONSE FOR RS485 OUTPUT...

Страница 31: ...HNIQUE Multiple slopes READ RATE 8 readings second automatic polarity ACCURACY AT 25 C 0 2 of FS 2 counts TEMPERATURE STABILITY 75 ppm C typical STEP RESPONSE FOR RS485 OUTPUT 2 seconds to 99 of the f...

Страница 32: ...IGITAL TECHNIQUE Dual slope READ RATE 3 readings second automatic polarity ACCURACY AT 25 C 0 5 C for platinum RTD s TEMPERATURE STABILITY 0 05 C C STEP RESPONSE FOR RS485 OUTPUT 2 seconds to 99 of th...

Страница 33: ...T OVER VOLTAGE PROTECTION 250 V AC for 1 minute ANALOG TO DIGITAL TECHNIQUE Dual slope READ RATE 3 readings second automatic polarity ACCURACY AT 25 C 1 C for temperature above 150 C 2 C for temperatu...

Страница 34: ...YPICAL COMPUTER SETUP COMPUTER CONNECTION DB9 or DB25 RJ12 CONNECTOR with CABLE ADAPTOR DB9 25 to RJ12 DB9 RJ12 DB25 RJ12 COMPUTER POWER CONNECTION RS 232 to RS 485 CONVERTER HALF DUPLEX CAT 285 SIGNA...

Страница 35: ...rwise shall not exceed the purchase price of the component upon which liability is based In no event shall NEWPORT be liable for consequential incidental or special damages CONDITIONS Equipment sold b...

Страница 36: ...61 777 6622 Toll Free 0800 488 488 www newportuk co uk e mail sales newportuk co uk Newport Electronics B V Benelux TEL 31 20 3472121 FAX 31 20 6434643 Toll Free 0800 0993344 www newport nl e mail inf...

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