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Dutec I/O Plexer Hardware User Manual Download Page 45

Appendix A

A-1

Figure A-1 Electrical Equivalent Circuit

Figure A-1 Shows the equivalent RS-232/ 422 Communications circuit for the
I/O PLEXER. When switched to “Last Position” the 150 Ohm network
terminator resistors are in place.

Positions A-D of SW2 allow the removal/ installation of network biasing
resistors used to suppress line noise when all transmitters are at rest. These
resistors should be left active on at least one but not more than eight units in a
single multidrop network segment. If more than eight resistor equipped units are
present, transmitter overloading may occur. 

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Summary of Contents for I/O Plexer

Page 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Page 2: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 3: ...i Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 4: ...ut further testing or modification DuTec inc general policy does not recommend the use of its products in life support applications where failure or malfunction of a component may directly threaten li...

Page 5: ...1 6 Communications watchdogs 1 6 Specifications 1 7 Communications 1 7 Power 1 8 Environment 1 8 Package 1 8 Ordering Information 1 8 Options 1 8 Available I O Modules 1 9 Installation 1 1 Mounting 2...

Page 6: ...dding Digital Expanders 2 14 Module Wiring 2 15 Analog Inputs 2 15 Analog outputs 2 17 Digital Inputs 2 18 Chassis Setup 2 1 Baud rate 3 1 3 3 Setup pushbutton 3 1 Sequential display 3 1 Protocol hand...

Page 7: ...before it is given to the Host thus allowing the Host to spend less time manipulating numbers and more time gathering them Also the I O PLEXER is able to spend more time exposed to the data which in...

Page 8: ...to hundreds of volts AC Milliamps DC to amps AC Frequency to tens of KHz Temperature with all popular thermocouples and resistive temperature devices A full range of industry standard digital modules...

Page 9: ...PLEXER which uses the new decisions to make the proper changes to its various actuators Both the Host and the communications link are essential elements in this data acquisition and process control sc...

Page 10: ...red Averages Can calculate average input amplitude for 1 65 535 samples Temperature Can linearize in C inputs from thermocouples and RTD s Will also return temperature probe data Analog Outputs Level...

Page 11: ...0HZ Edge Detection Off to On and On to Off transitions can be detected within 1 msec of their occurrence Action is only reported each 10 msec Note The response time performance of digital input instru...

Page 12: ...R to perform control tasks without the constant involvement of a Host computer After configuration and activation via Host instructions LCF s take data from their input port and perform computations a...

Page 13: ...same baud rate capabilities provides the means for Host communications with local serial devices such as keypads printers or displays Actual interaction with these devices is controlled via the Host...

Page 14: ...orts for 3 digital expanders Ordering Information Specify duTec products by model number IOP AD I O PLEXER for analog and digital signals IOP D I O PLEXER for digital signals only IOP DE Digital expan...

Page 15: ...4 C ITCK 1 Type K 110 to 1250 C OAC5J Output 20 280Vac 6 0A ITCR Type R 0 to 960 C DC ITCR 1 Type R 0 to 1760 C ODC5 Output 5 60 Vdc 3 5A ITCS Type S 0 to 1034 C ODC5A Output 4 200Dc 1 0A ITCS 1 Type...

Page 16: ...Introduction 1 1 10 Notes Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 17: ...rews located on a 3 5 X 16 5 grid Hole locations in relation to the overall dimensions are shown below Both the I O PLEXER and the digital expander have the same mounting dimensions Figure 2 1 I O Ple...

Page 18: ...reen wire to the terminal marked G chassis earth ground Option B or C 10 30 VDC Operation of the power source to the terminal marked H of the power source to the terminal marked N Earth Ground where a...

Page 19: ...ircumstances do not allow additional wire to be installed RS 232 Radio or telephone modems may be used In any event the appropriate transmitter of the I O PLEXER will be connected to a suitable receiv...

Page 20: ...network if any can be a mixture of RS 422 and or RS 485 For total wire runs less than 5000 feet both RS 422 and RS 485 networks can operate in multidrop mode In this configuration every unit attached...

Page 21: ...is to say whether the unit will re broadcast or repeat signals which it does not originate Figure 2 4 illustrates the possible networks that can be created by specifying multidrop or repeat functiona...

Page 22: ...iguration each I O PLEXER must be set up before communications can begin This is done with the network switches shown below in figure 2 5 Figure 2 5 Connectors Switches and Indicators Artisan Technolo...

Page 23: ...RS 422 and RS 485 networks for the unit most distant from the Host Sequential display reads L3 If there is only one I O PLEXER in a network it is designated as Last Unit For the network layout the seq...

Page 24: ...tor depending on whether the AT or XT connection is used A duTec cable can be used for this purpose IOPN AT IOPN XT or IOPN AXT In addition to the Host to I O PLEXER wiring the installer should confir...

Page 25: ...sitioned as shown in figure 2 10 Jumper JP5 RTS CTS for the local RS 232 port should remain in the horizontal position unless the RTS CTS pair is needed in the device connected to the local RS 232 por...

Page 26: ...g a 1 4 inch stripped wire into the openings of the wire clamp terminal block and tightening the screw This block is socketed for easy removal An alternative means for network connection is to use the...

Page 27: ...e connector located behind the clamp terminal block This connector mates with Molex shell number 50 57 9005 and used pins 16 02 0103 As shown in figure 2 12 the terminals of to and from and the termin...

Page 28: ...se connections which require the cover to be removed are made by placing a 1 4 inch stripped wire into the openings of the wire clamp terminal block and tightening the screw This block is socketed for...

Page 29: ...se connections which require the cover to be removed are made by placing a 1 4 inch stripped wire into the openings of the wire clamp terminal block and tightening the screw This block is socketed for...

Page 30: ...r Normally power is supplied through this cable In some circumstances however the Digital Expander is purchased with an optional power supply If so equipped the installer must provide the necessary po...

Page 31: ...ator light may be On brightly off or flicker otherwise Figure 2 16 figure 2 17 and figure 2 18 show the wiring for various types of analog inputs With the exception of thermocouples and RTD s connecti...

Page 32: ...lation 2 2 16 Figure 2 17 Analog Frequency Voltage and current input wiring F igure 2 18 Temperature input wiring Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisant...

Page 33: ...blink briefly when outputs are updated It should be noted that the status indicator only reflects the TTL data stream to the modules This in of itself does not indicate the actual value of the output...

Page 34: ...s are polarity sensitive and operate only when the terminal is more positive than the terminal Polarity does not affect the performance of the IAC5 IAC5A or the IDC5S input modules Because the field s...

Page 35: ...appears to be uncontrollable it is Polarity does not affect the performance of OAC5 and OAC5A digital output modules Because the field sides of output modules are totally isolated from each other like...

Page 36: ...Installation 2 2 20 Notes Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 37: ...cters 00h to Ffh At any I O PLEXER network connection up to 6 different types of functions can be performed each with its own unique system wide function address The address for functions which are no...

Page 38: ...In the VARIABLE mode function addresses are independent of each other and can range from 00H to FFH For this mode each function MC MD MA D1 D2 and D3 must be entered As long as addresses are not dupl...

Page 39: ...is correctly received IE valid address but not necessarily the correct instruction type or checksum the I O PLEXER returns an A followed by the echo of the instruction and does not execute it If the H...

Page 40: ...lowing each power cycle If desired changes were not implemented correctly line power can be recycled and setup via pushbutton procedure can be repeated as required Once the unit has been placed in set...

Page 41: ...ROM see appendix C C Consult the I O PLEXER protocol manual for details In the event that the new addresses become lost they will appear on the sequential display The pushbutton method can always be u...

Page 42: ...sions This will scroll each line sent and received rather than overwriting the previous for clarity Once the Host terminal software is configured press the space bar and observe the lower left bargrap...

Page 43: ...proper response is received at the Host repeat the procedure for any additional I O PLEXER to be added to the network When all chassis are checked out the terminal software can be replaced with the a...

Page 44: ...unctions The disk is located in the back of this manual 3 5 diskettes are shipped standard To install this software create a directory called MAGIC and copy the contents of the diskette to that direct...

Page 45: ...A D of SW2 allow the removal installation of network biasing resistors used to suppress line noise when all transmitters are at rest These resistors should be left active on at least one but not more...

Page 46: ...Appendix A A 2 Notes Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 47: ...al output changes Because the instruction acknowledgment response occurs before outputs actually change state processing time of the Host computer controlling output instructions can reduce the effect...

Page 48: ...16 Chan Chan Sec 300 639 2 2639 6 484 2 1984 8 600 323 3 1323 12 250 4 1000 16 1200 164 6 664 24 134 7 509 31 2400 85 12 335 48 75 13 263 61 4800 46 22 171 94 46 22 140 114 9600 26 39 88 181 32 32 78...

Page 49: ...utput Execution 1 16 Channels Throughput for analog I O varies with the number of channels n Figure B 3 Analog Input Data Time for n Channels Figure B 4 Analog Output Execution n Channels The system t...

Page 50: ...Appendix B B 4 Notes Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 51: ...Set network baudrate 7 MCch Ah NO E Protocol 2 Pass 7 LUEO A Yes 4 Pass 7 LUE1 A Yes NN C All instructions terminate with a carriage return Checksum 2 characters Variable data fields in lower case it...

Page 52: ...CMD MAE1E2E3 AMCMDMA E1E2E3 NO b Read MCb AMCMDMA E1E2E3 NO Serial I O N Local Port Baud Rate MCNh A NO O Host to Slave Msg 123 MCO Msg A NO P Msg for Host No 1 MCP A NO Yes MCP A Msg NO PP Partial MC...

Page 53: ...0 A YES DIGITAL INPUTS M Read all modules DDM Ac Yes eH De bounce enable DDeHen A No dH De bounce disable DDdHe A No Pulse Duration Measurements a Trig edges set All 4 5 DDae A Yes b set Pos 4 5 DDbe...

Page 54: ...Squarewave 16 bit 5 DDZeNtu A No Terminate DDZeG A Yes h Re trigger time delay DDhe A Yes I Pulses 50 duty cycle 5 DDictn A Yes k Start Pulse On 5 DDkcn A Yes R Off 5 DD Rcn A Yes 1 Maximum message le...

Page 55: ...t is a 1 or 0 only This number is then converted to 4 digit numbers Each four numbers is converted into a hex digit For e leading hex zeroes can be omitted Module 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0...

Page 56: ...desired period by 2 56 Sec convert to hex 14H to FFFFH h Baud Rate local RS 232 Port setup N and network baud rate setup c Desired baud 300 600 1200 2400 4800 9600 19 200 38 400 h value 003 006 012 02...

Page 57: ...d in seconds by 0 01 TRM convert to 1 4 hex digits n 0 or 1 has special case see user manual waveforms Analog V amplitude determination Peak and Valley p waveform peak or maximum amplitude q waveform...

Page 58: ...ructions transmitted by the Host are identical for both protocols they differ in their responses 2 Pass A correctly received instruction returns an A and data if any and instruction is executed an inc...

Page 59: ...t control functions display U0 MC 40H MD Master unit digital I O function display U1 MD 80H MA Master unit analog I O function display U2 MA C0H E1 1st expander digital I O functions display U3 E1 D0H...

Page 60: ...hanged using the Exact format as the display and press Enter the RS 232 display shows the values and asks OK Y N S Y stores the new values in EEPROM operational mode starts N re starts the process as...

Page 61: ...Appendix C C 11 Notes Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 62: ...erformance A 1 IOP AD 1 8 IOP D 1 8 IOP DE 1 8 Isolation 1 2 JP3 2 9 JP5 2 9 Local control functions 1 6 Local RS 232 1 7 2 9 MAGIC 3 8 Modem 1 7 2 3 2 9 Modem Jumpers 3 3 Modules 1 9 Mounting 2 1 Net...

Page 63: ...Index Switches 2 12 2 13 Thermocouple 1 9 2 15 Trans LED 3 7 Troubleshooting 3 6 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 64: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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