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Summary of Contents for Basic I/O Product

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Page 2: ...n should be used for the BIO4 BIO8 and BIO16 products The second section should be used for the BIO4AD BIO8AD and the BIO16AD products If you find that you have any questions with the setup or install...

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Page 4: ...ING 2 2 COMMUNICATING WITH THE BASIC I O 2 3 Multidrop 2 4 Repeat 2 4 RS 422 2 5 RS 485 2 5 RS 485 Programming 2 6 COMMUNICATION WIRING 2 7 Network load V S Noise suppression 2 8 Network Bias Resistor...

Page 5: ...f Contents ii Communication verification 2 18 Hardware error codes 2 19 Hardware watchdog 2 19 Sensor Actuator I O wiring 2 19 Analog Inputs 2 20 Analog Outputs 2 22 Digital Inputs 2 23 Digital Output...

Page 6: ...to 38 400 are available The BASIC I O instruction set core complies 100 with that of the OPTO 22 Optomux With this ASCII character speak only when spoken to protocol a Host transmits inquiry requests...

Page 7: ...he constant rate of samples per second The effective sample rate per channel is determined by the total number of channels to be sampled Analog input instruction types are Input Value Determines signa...

Page 8: ...og output instruction types are Level Value Can set output levels as a fraction of the module s full scale range and are specified with 12 bit 1 part in 4096 resolution Waveforms Can provide square tr...

Page 9: ...tection Off to On and On to Off transitions can be detected within 1 millisecond of their occurrence Action is only reported every 10 milliseconds Pulse Widths BASIC I Os can report pulse width measur...

Page 10: ...Modifiers One Shot Can generate On or Off pulse durations of up to 10 9 minutes with a resolution of 0 01 seconds Resolution can be reduced by a factor of 1 256 on a system wide basis increasing dura...

Page 11: ...actually gets activated Tables below show milliseconds per channel and channels per second for 1 and 16 I O channel cases THROUGHPUT TABLES Input Digital M Output Digital J 1 Channel 16 Channels 1 Cha...

Page 12: ...l Input 1000 150 Baud Rate 0 001 Digital Output Execution Digital J Time for 1 16 channels t digital Output 1000 110 Baud Rate 0 012 Throughput for analog I O varies with the number of channels n Anal...

Page 13: ...t which is set to the address found in that instruction will respond Every string of data whose length is greater than one character is followed by a checksum to ensure data integrity This protocol al...

Page 14: ...To 750 C OAC5A Output 24 280Vac N C Normally Closed ITCK Type K 100 To 924 C OAC5J Output 20 280Vac 6 0A ITCK 1 Type K 110 To 1250 C ITCR Type R 0 To 960 C DC ITCR 1 Type R 0 To 1760 C ODC5 Output 5...

Page 15: ...available for those loads that must remain ON PHYSICAL CHARACTERISTICS Power Requirements Voltage 5 0 5 4Vdc Current 250mA 25mA Per digital module Note that the current draw of some specialized digit...

Page 16: ...8 Position BASIC I O Unit Includes SLB Logic board and SMB8 module board less modules and power supply BIO16 16 Position BASIC I O Unit Includes SLB logic board and SMB16 module board less modules and...

Page 17: ...The Basic I O 1 1 12 Vol 1 NOTES...

Page 18: ...th 4 6 or 8 round head or pan head screws The BIO16 version has two additional mounting holes located near the center of the board as well Hole locations in relation to the overall dimensions for each...

Page 19: ...module or 250 200mA per analog module Note that the current draw of some specialized digital modules such as the IDC5S or the IDC5Z can be substantially larger than 25 mA Consult the specific module d...

Page 20: ...is considered speak only when spoken to the Host must poll the BASIC I O whenever it needs fresh data This polling is accomplished when the host sends an instruction to the BASIC I O The BASIC I O wi...

Page 21: ...presents one Drop or load to the host communication driver A multidrop network will tolerate loss of power to any one station without effecting the rest of the network RS 485 can only be multidrop Sig...

Page 22: ...connected to earth or chassis ground at one location The most common cause of difficulty experienced by customers in the field is improperly installed communications wiring RS 422 Advantages Easier to...

Page 23: ...ser program This control is not straight forward and may impact the overall system throughput with inherent delay periods The following is a typical instruction response transaction between a host com...

Page 24: ...t to first BASIC I O can be RS 422 or RS 485 Most Host computers come equipped with an RS 232 serial port A choice must be made to either equip the host with an RS 422 or RS 485 card or to use an exte...

Page 25: ...IC I O units but ultimately less than thirty two devices It will be necessary to remove these network bias resistors so as to not exceed the maximum bus loading However in order to retain noise immuni...

Page 26: ...equal ground potentials everywhere the ground connection is not required However omitting this signal ground in industrial applications can lead to costly debugging These connections are made by placi...

Page 27: ...und in industrial applications can lead to unstable operation and costly debugging These connections are made by placing a 1 4 inch stripped wire into the openings of the wire clamp terminal block and...

Page 28: ...tials everywhere the ground connection is not required Omitting this signal ground in industrial applications can lead to unstable operation and costly debugging These connections are made by placing...

Page 29: ...this signal ground in industrial applications can lead to costly debugging These connections are made by placing a 1 4 inch stripped wire into the openings of the wire clamp terminal block and tighte...

Page 30: ...O Connectors Switches and Indicators Unit type digital or analog Unit address baud rate and 2 or 4 pass protocols are all pushbutton configurable and appear on the sequential display After line power...

Page 31: ...ncludes an address made up of two hexadecimal characters 00h to Ffh This address determines which chassis is to execute the instruction being sent all other chassis are to ignore the instruction Each...

Page 32: ...ransmits an instruction to a BASIC I O If the instruction is correctly received i e valid address but not necessarily the correct instruction type nor checksum the BASIC I O returns an A followed by t...

Page 33: ...cates the letter L followed by 1 2 or 3 As shipped BASIC I Os are setup as l3 Last Unit This parameter is not changed by push button but is displayed as l1 L2 or L3 after the dip switches have been se...

Page 34: ...drate divided by 100 initially set for 9600 baud The 1 digit after P is the handshake protocol type initially set for 2 pass The value of each setup character can be changed as they appear in sequence...

Page 35: ...the host transmits an instruction This should occur regardless of baud rate If there is no indication of network traffic the failure can be anywhere from the host s hardware of software to the BASIC...

Page 36: ...resets the BASIC I O Do not confuse this with the programmable communication watchdog delay instruction Fuses A plug in 5 amp UL rated fuse is installed between the minus field ierminal and the I O mo...

Page 37: ...ghtly off or may flicker The wiring and operation of analog input modules can be verified by the host issuing a Configure as Input instruction setup H followed by a read input value instruction Analog...

Page 38: ...Setup Installation 2 2 21 Vol 1 Figure 2 11 Analog Voltage and Current input Wiring Figure 2 12 Temperature Input Wiring...

Page 39: ...manual or Quick reference card for instruction details Module status indicators for analog outputs blink briefly as outputs are updated It should be noted that the status indicator only follows the l...

Page 40: ...does not affect the performance of the IAC5 IAC5A or the IDC5S input modules Because the field side of input modules are totally isolated from each other like polarities can be wired common to make u...

Page 41: ...the OAC5 and OAC5A Digital output modules Because the field sides of output modules are totally isolated from each other like polarities can be wired common to make use of a single power supply The w...

Page 42: ...9 Digital Outputs 1 5 1 9 2 24 Error codes 2 19 Frequency 1 9 Fuses 2 19 Last Unit 2 16 Modules 1 9 MOUNTING 2 1 Multidrop 2 4 2 7 2 16 Network 2 9 2 12 Network bias resistors 2 8 Network Debugging 2...

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Page 44: ...for the use specified without 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 compone...

Page 45: ...abilities 1 6 Specifications 1 7 Communications 1 7 Power 1 7 Environment 1 7 Ordering Information 1 7 Options 1 7 Available I O Modules 1 8 Installation 2 1 Mounting 2 1 Power Wiring 2 2 Designing th...

Page 46: ...C I O AD RS 485 2 13 Installing the I O modules 2 14 Module Wiring 2 15 Analog Inputs 2 15 Analog outputs 2 17 Digital Inputs 2 18 Digital Outputs 2 19 Chassis Setup 2 1 Setup pushbutton 3 1 Sequentia...

Page 47: ...upon the data before it is given to the host thus allowing the host to spend less time manipulating data and more time gathering it Also the BASIC I O AD is able to spend more time exposed to the dat...

Page 48: ...eference junction compensation BASIC I O AD instructions provide linearized thermocouple and RTD sensor data Engineering unit conversions are handled at the host lever Diagnostics To confirm internal...

Page 49: ...communications link are essential elements in this data acquisition and process control scheme Originally the protocol only allowed for all analog or all digital I O chassis Depending on application r...

Page 50: ...be captured Maximums The maximum level of input values can be captured Averages Can calculate average input amplitude for 1 65 535 samples Temperature Can linearize in C inputs from thermocouples and...

Page 51: ...off times for a total of 2 mSec Would be 500Hz Edge detection Off to on and on to off transitions can be detected within 1 mSec Of their occurrence Action is only reported every 10mSec Note The respon...

Page 52: ...Host computational load or communications traffic Once characterized Local Control Function blocks enable the BASIC I O AD to perform control tasks without the constant involvement of the host comput...

Page 53: ...eters RS 422 485 5 000 1 524 Physical Characteristics Power Supply 5Vdc 5A Environment Temperature 0 60 C Humidity 95 Non Condensing Options L Local Control Function LCF Ordering Information Specify d...

Page 54: ...280Vac 6 0A ITCJ Type J 0 To 700 C DC ITCJ 1 Type J 80 To 750 C ODC5 Output 5 60Vdc 3 5A ITCK Type K 100 To 924 C ODC5A Output 4 200Vdc 1 0A ITCK 1 Type K 110 To 1250 C ODC5R Electro Mechanical 0 5A R...

Page 55: ...ootprint of each Basic I OAD Using corner holes the unit can be mounted with 4 6 or 8 round head or pan head screws The BIO16 version has two additional mounting holes located near the center of the b...

Page 56: ...er source to the terminal marked GND Power requirements Voltage 5 0 5 4Vdc Current 250 mA 25mA per digital module and 200mA per analog module Practices In general it is good practice to reserve the 5V...

Page 57: ...ers of I O points These serial connections can be either multidrop or repeat Multidrop Multidrop networks can be up to 5000 ft long end to end Each station is passively located on the network and repr...

Page 58: ...Multidrop or Repeat No turn around delay required Disadvantages Requires five conductor wire instead of three RS 485 Advantages Needs only 3 wire conductor Disadvantages Host 485 driver control must...

Page 59: ...for most popular RS 485 cards that are installed in the Host computer must be controlled by the user program This control is not straight forward and may impact the overall system throughput with inh...

Page 60: ...supports the particular RS 485 communications card to be used Communication Wiring The Host to first BASIC I O AD can be RS 422 or RS 485 Most Host computers come equipped with an RS 232 serial port A...

Page 61: ...O AD units but ultimately less than thirty two devices It will be necessary to remove these network bias resistors so as to not exceed the maximum bus loading However in order to retain noise immunity...

Page 62: ...Switches Based upon the selected network configuration each BASIC I O AD must be setup before communications can begin This is done with the network switches shown in figure 2 3 Figure 2 3 BASIC I O...

Page 63: ...ay reads L2 Last Unit Must be used in RS 422 and RS 485 networks for the unit most distant from the host Sequential display reads L3 If there is only one BASIC I O AD in a network it is designated L3...

Page 64: ...e and equal ground potentials everywhere the ground connection is not required However omitting this signal ground in industrial applications can lead to costly debugging These connections are made by...

Page 65: ...no electrical noise and equal ground potentials everywhere the ground connection is not required Omitting this signal ground in industrial applications can lead to unstable operation and costly debugg...

Page 66: ...nd potentials everywhere the ground connection is not required Omitting this signal ground in industrial applications can lead to unstable operation and costly debugging These connections are made by...

Page 67: ...equal ground potentials everywhere the ground connection is not required However omitting this signal ground in industrial applications can lead to costly debugging These connections are made by placi...

Page 68: ...on the next page place the desired I O modules in the indicated positions BASIC I O AD Module Placement Worksheet Module Analog Digital Module PN Remarks 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 Install...

Page 69: ...Analog input module status indicators are On dimly when input modules are installed wired correctly and their input signal is within the module s valid range If these conditions are not met the in th...

Page 70: ...Installation 2 2 16 Vol 2 Figure 2 12 Analog Voltage frequency and Current input Wiring Figure 2 13 Temperature Input Wiring...

Page 71: ...voltage swings Module status indicators for analog outputs blink briefly as outputs are updated It should be noted that the status indicator only follows the logic instruction to the modules and does...

Page 72: ...s are polarity sensitive and operate only when the terminal is more positive with respect to the terminal Polarity does not affect the performance of the IAC5 IAC5A or the IDC5S input modules Because...

Page 73: ...onducts current through its protective diode and therefore cannot be controlled Polarity does not affect the performance of the OAC5 and OAC5A Digital output modules Because the field sides of output...

Page 74: ...s labeled setup pushbutton and sequential display Function addresses Each host instruction includes an address made up of two hexadecimal characters 00h FFh At any BASIC I O AD network connection 3 di...

Page 75: ...bilities The variable mode must be used with some software packages and systems of more than 64 BASIC I O AD network connections The loading of selected function addresses into the BASIC I O AD is exp...

Page 76: ...owed by a two character checksum ending with a CR 4 Pass The host transmits an instruction to a BASIC I O AD If the instruction is correctly received i e valid address but not necessarily the correct...

Page 77: ...the setup sequence until there is a full cycle with no changes The BASIC I O AD then stores all values in EEPROM for automatic use following each power cycle If desired changes were not implemented co...

Page 78: ...ld be used with caution as it will change the unit address and save them in EEPROM Consult the BASIC I O AD protocol manual for details In the event that the new addresses become lost they will appear...

Page 79: ...initially turned on it goes through internal self testing If anything is not correct the appropriate error code will flash on the sequential display Try cycling power if that does not resolve the erro...

Page 80: ...ironment 1 7 Frequency 1 8 Isolation 1 2 Modules 1 8 Mounting 2 1 Multidrop 2 3 2 6 Network Bias Resistors 2 7 Network Type Switch 3 3 Noise suppression 2 7 Power 1 7 Power Requirements 1 8 Power Wiri...

Page 81: ...Vol 2 Index...

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