Omega Engineering OME-A8111 Hardware Manual Download Page 28

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2.10 Pin Assignment

The OME-A-8111 provides three connectors. Connect 1, CN1 functions for analog
input & analog output input. Connector 2, CN2, functions as 16 digital outputs. Connector 3,
CN3, function as a digital output.

CN1/CN2/CN3 Pin Assignment

CN1: Analog input/Analog output/Connect Pin Assignment.

Pin Number

Description

Pin Number

Description

A/D Analog Input Channel 0

Analog GND

A/D Analog Input Channel 1

Analog GND

A/D Analog Input Channel 2

Analog GND

A/D Analog Input Channel 3

Analog GND

A/D Analog Input Channel 4

Analog GND

A/D Analog Input Channel 5

Analog GND

A/D Analog Input Channel 6

Analog GND

A/D Analog Input Channel 7

Analog GND

Not Used

28 Analog GND

Analog GND

Not Used

D/A Analog Voltage output

Not Used

Analog GND

Not Used

Analog GND

Not Used

PCB’s + 5V output

OME-A-8111 Hardware Manual (ver.1.1, Jul/2003)

Summary of Contents for OME-A8111

Page 1: ...www omega com e mail info omega com User sGuide OME A8111 ISA BUS Multi Functional Board Hardware Manual Shop online at ...

Page 2: ...ncourt France TEL 33 0 1 61 37 29 00 FAX 33 0 1 30 57 54 27 Toll Free in France 0800 466 342 e mail sales omega fr Germany Austria Daimlerstrasse 26 D 75392 Deckenpfronn Germany TEL 49 0 7056 9398 0 FAX 49 0 7056 9398 29 Toll Free in Germany 0800 639 7678 e mail info omega de United Kingdom One Omega Drive River Bend Technology Centre ISO 9002 Certified Northbank Irlam Manchester M44 5BD United Ki...

Page 3: ...OME A 8111 Hardware User s Manual OME A 8111 Hardware Manual ver 1 1 Jul 2003 1 ...

Page 4: ...____________ 9 2 3 Jumper Setting ______________________________________________________ 10 2 3 1 JP1 D A Internal Reference Voltage Selection_____________________________________ 10 2 4 I O Register Address__________________________________________________ 11 2 4 1 The 8254 Counter __________________________________________________________ 12 2 4 2 A D Input Buffer Register ______________________...

Page 5: ..._____ 28 2 11 1 OME CA 4002 _________________________________________________________ 28 2 11 2 OME DB 16P __________________________________________________________ 28 2 11 3 OME DB 16R __________________________________________________________ 28 2 11 4 OME DB 37 ___________________________________________________________ 28 3 Calibration__________________________________________________________...

Page 6: ... voltage outputs 16 channels of TTL compatible digital input and 16 channels of TTL compatible digital output 1 2 Features z The maximum sample rate of the A D converter is about 30 K sample sec z Software selective input ranges z PC AT compatible ISA bus z A D trigger mode software trigger pacer trigger z 8 single ended analog input channels Programmable gain 1 2 4 8 16 Input range 5 V 2 5 V 1 25...

Page 7: ...z Input range software programmable Bipolar 5 V 2 5 V 1 25 V 0 625 V 0 3125 V z Input current 250 nA max 125 nA typical at 25 C z On chip sample and hold z Over voltage continuous single channel to 70Vp p 1 3 3 A D Converter z Type successive approximation Burr Brown ADS 774 z Conversion time 8 µ sec z Accuracy 1 bit z Resolution 12 bit OME A 8111 Hardware Manual ver 1 1 Jul 2003 5 ...

Page 8: ...d with other AC or DC reference input Maximum output limit 10V z Output Drive 5 mA z Settling Time 0 6 microseconds to 0 01 for full scale step 1 3 5 Digital I O z Output port 16 bits TTL compatible z Input port 16 bits TTL compatible 1 3 6 Interrupt Channel z Level 3 4 5 6 7 jumper selectable z Enable Via control register OME A 8111 Hardware Manual ver 1 1 Jul 2003 6 ...

Page 9: ...lock 2 MHz 1 3 8 Applications z Signal analysis z FFT frequency analysis z Transient analysis z Production test z Process control z Vibration analysis z Energy management z Industrial and laboratory measurement and control 1 4 Product Check List In addition to this manual the package includes the following items z OME A 8111 multifunction card z OME A 8111 utility diskette CD ROM OME A 8111 Hardwa...

Page 10: ...tion 2 1 Board Layout BB ADS 774 ON 1 2 3 4 5 6 JP1 JP2 8111 SW1 9 8 7 6 5 4 A BASS ADDRESS A1 P1 A31 1 2 19 20 CN3 D C OUT CN2 D C IN 20 2 1 19 ANA I 0 CN1 VR1 VR2 VR3 VR4 VR5 OME A 8111 Hardware Manual ver 1 1 Jul 2003 8 ...

Page 11: ... address is 0x220 as shown below A9 A8 A7 A6 A5 A4 6 5 4 3 2 1 ON SW1 BASE ADDRESS BASE ADDR A9 A8 A7 A6 A5 A4 200 20F OFF ON ON ON ON ON 210 21F OFF ON ON ON ON OFF 220 22F OFF ON ON ON OFF ON 230 23F OFF ON ON ON OFF OFF 300 30F OFF OFF ON ON ON ON 3F0 3FF OFF OFF OFF OFF OFF default base address is 0x220 OME A 8111 Hardware Manual ver 1 1 Jul 2003 9 ...

Page 12: ... Printer 2B0 2DF EGA 3C0 3CF EGA 2E0 2E7 AT GPIB 3D0 3DF CGA 2E8 2EF Serial Port 3E8 3EF Serial Port 2F8 2FF Serial Port 3F0 3F7 Floppy Disk 300 31F Prototype Card 3F8 3FF Serial Port 2 3 Jumper Setting 2 3 1 JP1 D A Internal Reference Voltage Selection JP1 5 V 10 V Reference Voltage 5 V Default 10 V 5 V JP1 Reference Voltage 10 V Select 5 V D A voltage output 0 to 5 V both channels Select 10 V D ...

Page 13: ...8254 Counter Control Base 4 A D Low Byte D A Channel 0 Low Byte Base 5 A D High Byte D A Channel 0 High Byte Base 6 DI Low Byte Reserved Base 7 DI High Byte Reserved Base 8 Reserved A D Clear Interrupt Request Base 9 Reserved A D Gain Control Base A Reserved A D Multiplexer Control Base B Reserved A D Mode Control Base C Reserved A D Software Trigger Control Base D Reserved DO Low Byte Base E Rese...

Page 14: ...AD Base 4 A D Low Byte Data Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 D7 D6 D5 D4 D3 D2 D1 D0 READ Base 5 A D High Byte Data Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 0 0 READY D11 D10 D9 D8 A D 12 bit data D11 D0 D11 MSB D0 LSB READY 1 A D 12 bits data not ready 0 A D 12 bits data is ready The low 8 bits of A D data are stored in address BASE 4 and the high 4 bits of d...

Page 15: ...so the analog output latch registers will be updated until the high 4 bits of digital data are written The users should send the low 8 bits first and then send the high 4 bits to update the 12 bits of AD output latch registers NOTE Send low 8 bits first then send high 4 bits 2 4 4 D I Input Buffer Register READ Base 6 D I Input Buffer Low Byte Data Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 ...

Page 16: ...n Control Register Format Y Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 X X X X X GAIN2 GAIN1 GAIN0 The OME A 8111 provides a gain factor of 1 2 4 8 16 The gain controls register control the gain of the A D input signal Bipolar Unipolar will affect the gain factor NOTE If the gain control code is changed the hardware needs to have extra gain settling time The gain settling time is different for diff...

Page 17: ... 1 0 3 0 1 1 4 1 0 0 5 1 0 1 6 1 1 0 7 1 1 1 NOTE The settling time of the multiplexer depends on the source resistance of input sources Approx Source resistance 0 1 KΩ Î Approx Settling time 3 µs Approx Source resistance 1 KΩ Î Approx Settling time 5 µs Approx Source resistance 10 KΩ Î Approx Settling time 10 µs Approx Source resistance 100 KΩ Î Approx Settling time 100 µs Sec 2 4 6 gives informa...

Page 18: ...RQ7 The A D conversion operation can be divided into 2 stages trigger stage and transfer stage The trigger stage will generate a trigger signal to the A D converter and the transfer stage will transfer the results to the CPU The trigger method may be an internal trigger or an external trigger The internal trigger can be a software trigger or a pacer trigger The software trigger is very simple but ...

Page 19: ...nd DMA transfer 2 4 9 A D Software Trigger Control Register WRITE Base C A D Software Trigger Control Register Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 X X X X X X X X X don t care XXXXXXXX any 8 bits data is validate The A D converter can be triggered by software trigger or pacer trigger Detailed information is given in sec 2 4 8 and 2 7 Writing any value to address BASE C will gene...

Page 20: ...Base E D O Output Latch High Byte Data Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 D15 D14 D13 D12 D11 D10 D9 D8 D O 16 bits output data D15 D0 D15 MSB D0 LSB The OME A 8111 provides 16 TTL compatible digital outputs The low 8 bits are stored in address BASE D The high 8 bits are stored in address BASE E OME A 8111 Hardware Manual ver 1 1 Jul 2003 18 ...

Page 21: ...e D Base E D0 D7 D8 D15 1 8 9 16 Output Latch Register Output Latch Register CN3 17 18 DGND DGND DO TTL 16 Channel Isolated Input Board Option OME A 8111 Read D0 D7 Base 6 Base 7 D0 D7 D8 D15 1 8 9 16 Input Buffer Register Input Buffer Register CN2 17 18 DGND OME DB 16P DGND DI TTL OME A 8111 OME DB 16R Strobe 20 Read 16 Channel Isolated Input Board Option OME A 8111 Hardware Manual ver 1 1 Jul 20...

Page 22: ...ents Handbook The block diagram is as below Cin clock input Cout clock output INTCLK internal clock Cin Gate Cout Counter 0 Cin Gate Cout Counter 1 Cin Gate Cout Counter 2 2M INTCLK VCC 10K PACER CLK Counter0 counter1 and counter2 are all 16 bit counters Counter 1 and counter 2 cascade as a 32 bit timer The 32 bit timer is used as a pacer timer OME A 8111 Hardware Manual ver 1 1 Jul 2003 20 ...

Page 23: ... BASE 4 BASE 5 stores the A D conversion data sec 2 4 2 z A D gain control register BASE 9 select gain sec 2 4 6 sec 2 4 7 z A D multiplex control register BASE A select analog input z A D mode control register BASE B select trigger type and transfer type sec 2 4 8 z A D software trigger control register BASE C sec 2 4 9 The block diagram is given below Base C OME A 8111 Base B Base A Base 9 Trigg...

Page 24: ...e user should reserve enough settling time if switching from one channel to the next sec 2 4 6 The output of the gain control module feeds into the A D converter The A D converter needs a trigger signal to start an A D conversion cycle The OME A 8111 supports software trigger or pacer trigger mode 2 7 2 A D Conversion Trigger Modes OME A 8111 supports two trigger modes 1 Software Trigger Writes an...

Page 25: ...t the OME A 8111 software driver it is recommended to use software trigger and polling transfer The program steps are listed as below 1 Send 0x01 to A D mode control register software trigger polling transfer refer to sec 2 4 8 2 Send channel number to multiplexer control register refer to sec 2 4 7 3 Send the gain control code value to gain control register refer to sec 2 4 6 4 Delay the settling...

Page 26: ...age sec 2 4 1 NOTE The DA output latch registers are designed as a double buffered structure The user must send the low byte data first then send the high byte data to store the DA 12 bit digital data If the user only sends the high byte data then the low byte data will be still the previous value Also if the user sends high byte first then sends low byte the low byte data of DA is still held in t...

Page 27: ...t configuration A D CHn OME A 8111 AGND A D CH0 Es Signal Shielding z Signal shielding connections are shown in Fig1 z Use single point connection to frame ground not AGND or DGND Frame Ground OME A 8111 AGND DGND Vin OME A 8111 Hardware Manual ver 1 1 Jul 2003 25 ...

Page 28: ...nel 1 21 Analog GND 3 A D Analog Input Channel 2 22 Analog GND 4 A D Analog Input Channel 3 23 Analog GND 5 A D Analog Input Channel 4 24 Analog GND 6 A D Analog Input Channel 5 25 Analog GND 7 A D Analog Input Channel 6 26 Analog GND 8 A D Analog Input Channel 7 27 Analog GND 9 Not Used 28 Analog GND 10 Analog GND 29 Analog GND 11 Not Used 30 D A Analog Voltage output 12 Not Used 31 Not Used 13 N...

Page 29: ...CB s GND output 18 PCB s GND output 19 PCB s 5V output 20 STROBE CN3 Analog input Analog output Connect Pin Assignment Pin Number Description Pin Number Description 1 Digital output 0 TTL 2 Digital output 1 TTL 3 Digital output 2 TTL 4 Digital output 3 TTL 5 Digital output 4 TTL 6 Digital output 5 TTL 7 Digital output 6 TTL 8 Digital output 7 TTL 9 Digital output 8 TTL 10 Digital output 9 TTL 11 D...

Page 30: ...6P the OME A 8111 can provide 16 channels of isolated digital input signals Isolation can protect the PC if an abnormal input signal is occurs 2 11 3 OME DB 16R The OME DB 16R provides a 16 channel SPDT relay output The OME A 8111 provides a 16 channel TTL compatible digital output from CN3 If connecting to the OME DB 16R the OME A 8111 can provide a 16 channel relay output to control power device...

Page 31: ...is included in the delivered package and will guide the user to in proceeding with the calibration 3 1 Calibration VR Description There are seven VRs on the OME A 8111 Calibration is needed to adjust all seven VRs VR Num Description VR1 D A Gain adjustment VR2 D A Offset adjustment VR3 A D Offset adjustment VR4 A D s Gain adjustment VR5 A D s PGA Programmable Gain Amplifier Offset Adjustment VR4 A...

Page 32: ...nel 1 pin2 of CN1 4 Connect DVM to TP1 5 Adjust VR5 until DVM 0 0000V 6 Press Enter Key 7 Adjust VR4 until A D data shows 4094 or 4095 8 Press Enter Key 9 Adjust VR3 until A D data shows 2047 or 2048 10 Repeat step_3 to step_11 until A D channel 0 input 4 9988VÎA D reading 4094 or 4095 A D channel 0 input 0 V ÎA D reading 2047 or 2048 11 Press Enter Key 3 4 DI O Testing 12 Use 20 pin flat cable OM...

Page 33: ...e shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should ...

Page 34: ...ocity Indicators Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH Conductivity Equipment DATA ACQUISITION Data Acquisition Engineering Software Communications Based Acquisition Systems Plug in Cards for Apple IBM Compatibles Datalogging Systems Recorders Print...

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