NI USB-7845R OEM User Manual
Contents
1. ISENSE Overvoltage Protection i oo Al Protection Al 0 0 0 0 Connection Accessory PGIA NI USB 7845R OEM User Manual ADC National Instruments 7 To connect non referenced single ended voltage signals to the NI USB 7845R OEM device you must connect the voltage ground signal to AI SENSE in order to keep the common mode voltage in the specified range as shown in Figure 4 Figure 4 Connecting Non Referenced Single Ended Signals to the NI USB 7845R OEM Device i 1 Ale A I Overvoltage 7 Protection i i i Vila i A ee PGIA ADC j i eum Overvoltage bd 9 Protection o i i i o 7 1 a SENSE Overvoltage RIGND Protection CTF 9 ee Connection ig Accessory NI USB 7845R OEM Connecting Differential Voltage Signals You can connect grounded or floating differential signal sources to the NI USB 7845R OEM device Connect the positive voltage signal to the AI and the negative voltage signal to AI To connect grounded differential signals to the NI USB 7845R OEM device you must also connect the signal reference to AI GND Figure 5 Connecting Grounded Differential Signals to the NI USB 7845R OEM Device2. Caution Never connect the 5 V power terminals to analog or digital ground or any other voltage source on the NI USB 7845R OEM device or any other device 12 nicom NI USB 7845R OEM User Manual Doing so can damage the device and the computer National Instruments is not liable for damage resulting from such a connection The power rating is 4 75 to 5 1 VDC at 0 5 A Autonomous Mode You can run the NI USB 7845R OEM device without a USB connection to a host computer using Autonomous Mode To collect data the NI USB 7845R OEM device acquires in Autonomous Mode you must reconnect the NI USB 7845R OEM device to a host computer Caution Data is lost and is not recoverable upon reconnection if a DMA FIFO overflows while the NI USB 7845R OEM device is disconnected from the host computer or if the NI USB 7845R OEM device loses power at any point Autonomous Mode includes the following capabilities Table 5 Autonomous Mode Capabilities disconnect the USB cable Capability Description Use the Open Close FPGA Call the Close FPGA VI Reference Function without aborting Reference VI functions to or resetting the FPGA VI before you disconnect the USB run an FPGA VI and then cable After you disconnect the USB cable any VI running on the NI USB 7845R OEM device continues to run and collect data which can later be retrieved by reconnecting the USB cable and re opening the original FPGA reference
3. Overvoltage 7 i Protection vile i i i n i i 1 ial PGIA ADC i Raoa Overvoltage bd Protection hi i Vem A Do oo T i AISENSE Overvoltage Las Protection hd 77 Connection N i ite Accessory NI USB 7845R OEM To connect floating differential signals to the NI USB 7845R OEM device you must connect the negative and positive signals to AI GND through 1 MQ resistors to keep the voltage within the common mode voltage range If the voltage source is outside the common mode voltage range the NI USB 7845R OEM device does not read data accurately 8 nicom NI USB 7845R OEM User Manual Figure 6 Connecting Floating Differential Signals to the NI USB 7845R OEM Device 1 TAI pu 1 Overvoltage T Protection i f V n 1 1 i es n PGIA ADC l i Li Overvoltage Y Protection TE i ia o AISENSE _ Overvoltage Q RINO Protection 7 Connection i VJ Accessory i NI USB 7845R OEM Analog Output The NI USB 7845R OEM device provides connections for eight analog output channels Each channel has an AO pin and AOGND pin to which you can connect a load Figure 7 Connecting a Load DAC LOAD V Connection NI USB 7845R OEM CC Accessory Digital I O The NI USB 7845R OEM device provides connections for 48 digit
4. On Board External Resistor External LED Figure 10 Attaching External LEDs NI USB 7845R OEM User Manual National Instruments 11 Power Switch Use the power switch to power the NI USB 7845R OEM device on and off The following figure shows the pins on the power switch and power circuitry Figure 11 Power Switch Shown in the On Position to Ground 100 kQ VDC Out VDC In Connector Switch J8 100kn sw2 sea KRANO gee va 5 7 77 sw2 J8 Power to lt 7 2 Device o Power 3 Connector 100 KQ ITF The following table lists the pin locations and signal descriptions Table 4 Power Switch Pin Descriptions Pin Signal Description 1 VDC In Connects to VDC through a non user replaceable fuse reference designator F1 The VDC is the voltage provided by the power supply through pin 2 of the power connector reference designator J8 and must be 9 V to 30 V 20 W 2 VDC Out Provides power to the circuitry on the NI USB 7845R OEM device When the switch is in the on position the VDC power supply from pin 1 is routed to pin 2 3 100kQto Connects pin 2 to ground through a 100 kQ resistor when the switch is Ground in the off position 5 V Power Source Use the 5 V terminals on the I O connector supply 5 V referenced to DGND to power external circuitry
5. of signal routing with the cable and connection accessory for your application LEDs If you are putting the NI USB 7845R OEM device in an enclosure you can either seat the optional lightpipes on the device or attach external LEDs as described in the Attaching External LEDs section When the lightpipes are attached the top row is Error USB Ready and POWER LEDs and the bottom row has the User LEDs The NI USB 7845R OEM device has six LEDs which reflect the device state Table 3 LED Descriptions LED Description Location POWER Solid blue when the power is on 6 USB READY Solid blue when the USB is ready 3 ERROR Solid red for error cases 2 USERI Blue user defined 1 10 nicom NI USB 7845R OEM User Manual Table 3 LED Descriptions Continued LED Description Location USER2 Blue user defined 4 USER3 Blue user defined 5 Attaching External LEDs Seven connectors on the device in the El part 1 2 3 4 5 6 and 7 allow you to connect an external LED circuit to the device as shown in Figure 10 For example to connect an external USB READY LED use 7 as the positive connection 5 V and 3 and the negative connection To connect the remaining LEDs refer to Table 3 National Instruments recommends that you limit the current to 10 mA per LED You can limit this current by using external resistors as shown in Figure 9 Figure 9 External LEDs OEM
6. 000 107LF 4 ni com NI USB 7845R OEM User Manual Dimensions 2X 6 675 2X 6 435 163 46 6 263 159 08 2X 6 055 153 81 2X 2 863 72 72 2X 175 4 45 1 000 0 119 3 02 169 55 2 055 52 19 3 797 96 44 2X 5 838 148 29 RAR poooooooooo booq bhoooooonoooonnog ooooopooooooog booonooooooooccog ooooooooooococog hooooonnoooonnog booooooooo00000q ooooopoooo0ocog booonooooooooccog oooooooooooood hanaaaanonnaond booooooooo00000q ooooopoooo0ocog bogogannnnnnnny NI USB 7845R OEM User Manual R R ad i n I or a SN 0 N wo N end O 0 o 8 Sea N no ro x ri n oo x oO National Instruments 5 3 812 96 82 6 500 165 1 2 688 68 28 AAR nee A amp C DI booooooopoo0000d aoanananaoanad aoasasasaoasad asasaoaoaosaoad booooooopo00000d booooooopoo0000d ananananaoaonad aoasasasaoasad asasaoaoaoaoad aoanasasaoasad ag ea asi Note Visit ni com dimensions for more information about the dimensions of the NI USB 7845R OEM device including tw
7. 12 GND DIO6 13 t4 GND DIO6 13 14 GND DIO7 Ilisfe l GND t DIO7 _ isfel GND DIO8 17 18 GND DIO8 17 18 GND DIO9 19 20 GND DIO9 19 20 GND DIO10 21 22 GND DIO10 21 22 GND DIO11 23 24 GND DIO11 23 24 GND D1012 25 26 GND DIO12 25 26 GND D1013 27 28 GND DIO13 27 28 GND DIO14 29 30 GND DIO14 29 30 GND DIO15 31 32 GND DIO15 31 32 GND GND 33 s4 f GND GND _ 33 34 GND Connector 3 4 DIOO 1 2 GND DIO1 3 4 GND DIO2 5 6 GND DIO3 7 9 GND DIO4 9 to GND D105 11 12 GND DIO6 13 14 GND DIO7 15 6 GND DIOS 17 18 GND DIO9 19 20 GND DIO10 21 22 GND DIO11 23 24 GND DIO12 25 26 GND DIO13 27 28 GND DIO14 29 30 GND DIO15 31 32 GND GND 33 s4 GND has an AI pin AI pin and AIGND pin to which you can connect both single ended or differential voltage signals Use the AISENSE pin to connect non referenced single ended signals Connecting Single Ended Voltage Signals To connect referenced single ended voltage signals to the NI USB 7845R OEM device you must connect the voltage ground signal to AI GND in order to keep the common mode voltage in the specified range as shown in Figure 3 Figure 3 Connecting Referenced Single Ended Signals to the NI USB 7845R OEM Device Overvoltage Protection Overvoltage oo
8. USER MANUAL NI USB 7845R OEM R Series for USB Multifunction RIO with Kintex 7 70T FPGA Frangais Deutsch AAG ta fj ARA ni com manuals This document provides dimensions connectivity information and pinouts for the National Instruments USB 7845R OEM device A Caution National Instruments makes no product safety electromagnetic compatibility EMC or CE marking compliance claims for NI USB 7845R OEM device The end product supplier is responsible for conformity to any and all compliance requirements A Caution Do not operate the NI USB 7845R OEM device in a manner not specified in this user manual Product misuse can result in a hazard You can compromise the safety protection built into the product if the product is damaged in any way If the product is damaged return it to National Instruments for repair Hardware Overview The following high level block diagram represents the NI USB 7845R OEM device 7 NATIONAL INSTRUMENTS Figure 1 NI USB 7845R OEM Device Block Diagram o S 40 MHz Flash 5 Overvoltage OSC Memory i Protection Z lt S i Si DIO E a 6 Overvoltage g Protection S o x fe 9 Overvoltage rotection HAI Kintex 7 Data NI ASIC 8 FPGA Address Contr
9. Use Interactive Front Panel Communication to run an The front panel indicators stop updating After you disconnect the USB cable any VI running on the FPGA VI and then NI USB 7845R OEM device continues to run Restore the disconnecting the USB Interactive Front Panel Communication by reconnecting the cable USB cable Download the bitfile to Download the bitfile to flash memory and set it to run when flash memory and set itto loaded to FPGA The bitfile automatically starts running run when loaded to FPGA whenever power is applied to the NI USB 7845R OEM device To collect data you must reconnect the NI USB 7845R OEM device to a host computer before powering off the device Refer to the Lab VIEW FPGA Module Help for more information about downloading an FPGA VI to the flash memory The Host VI errors out if you do not call the Close FPGA VI Reference Function without aborting or resetting the FPGA VI NI USB 7845R OEM User Manual National Instruments 13 Worldwide Support and Services The National Instruments website is your complete resource for technical support At ni com support you have access to everything from troubleshooting and application development self help resources to email and phone assistance from NI Application Engineers Visit ni com services for NI Factory Installation Services repairs extended warranty and other services Visit ni com register to register your Nation
10. al Instruments product Product registration facilitates technical support and ensures that you receive important information updates from NI National Instruments corporate headquarters is located at 11500 North Mopac Expressway Austin Texas 78759 3504 National Instruments also has offices located around the world For telephone support in the United States create your service request at ni com support or dial 1 866 ASK MYNI 275 6964 For telephone support outside the United States visit the Worldwide Offices section of ni com niglobal to access the branch office websites which provide up to date contact information support phone numbers email addresses and current events Refer to the NI Trademarks and Logo Guidelines at ni com trademarks for information on National Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies For patents covering National Instruments products technology refer to the appropriate location Help Patents in your software the patents txt file on your media or the National Instruments Patent Notice at ni com patents You can find information about end user license agreements EULAs and third party legal notices in the readme file for your NI product Refer to the Export Compliance Information at ni com legal export compliance for the National Instruments global trade compliance policy and how to obtain relevant HTS codes ECCNs and oth
11. al input output DIO channels Connector 1 Connector 2 and Connector 3 contains 16 low speed channels that can run up to 10 MHz signal frequencies Each connector has selectable logic levels that you can configure as 1 2 V 1 5 V 1 8 V 2 5 V or 3 3 V You can configure each channel as input or output NI USB 7845R OEM User Manual National Instruments 9 Figure 8 Connecting to the DIO Channels B ka ARD ini Connector X DIOO i Connector X DIO1 lt oq i FPGA 1 Connector X DIO14 Power H e W D L Connector X DIO15 a Pi lt lt Vv doni NEUSE ACR OEM 1 Low speed signal frequencies up to 10 MHz with logic levels configured as 1 2 V 1 5 V 1 8 V 2 5 V or 3 3 V Connectors 1 and 2 share the same voltage settings 2 LED The DIO channels connect to the FPGA through buffers which have overvoltage and undervoltage protection as well as over current protection Refer to the NJ USB 7845R OEM Device Specifications for more information about the maximum voltage and current When the system powers on the DIO channels are set as input low with pull down resistors To set another power on state you can configure the NI USB 7845R OEM device to load a VI when the system powers on The VI can then set the DIO lines to any power on state National Instruments recommends performing signal integrity measurements to test the effect
12. er import export data 2014 National Instruments All rights reserved 374508A 01 Mar14
13. o dimensional drawings and three dimensional models a Note The NI USB 7845R OEM device has plated mounting holes that can act as chassis ground lt lt 5 830 148 08 Connecting the NI USB 7845R OEM Device The NI USB 7845R OEM device provides connections for eight analog input AI channels eight analog output AO channels and forty eight digital input output DIO channels as shown in Figure 2 6 ni com NI USB 7845R OEM User Manual Figure 2 NI USB 7845R OEM Device Pinout Connector 0 Al0 AIGND Al AIGND Al2 AIGND AI3 AIGND Al4 AIGND Al5 AIGND Al6 AIGND Al7 AIGND AOGND AOGND AOGND AOGND AOGND AOGND AOGND AOGND 5V Analog Input The NI USB 7845R OEM device provides connections for eight AI channels Each channel Alo AIGND Alt AIGND Al2 Connector 1 Connector 2 DIOO 1 2 GND DIOO 142 GND DIO1 3 4 GND DIO1 3 4 GND DIO2 5 6 GND DIO2 5 6 GND DIO3 7 9 GND DIO3 7 9 GND DIO4 9 10 GND DIO4 9 fo GND DIO5 11 12 GND DIO5 11
14. ol FPGA o Overvoltage Temperature Protection g ry Overvoltage 2 Protection AO o Device lt Temperature 2 nicom NI USB 7845R OEM User Manual Parts Locator USB Connector Power Switch Peo ES Power Supply Connector External LED Attachments ONDA Connector 0 Analog Connector 1 Digital Connector 2 Digital Connector 3 Digital NI USB 7845R OEM Device Components The following table lists the interfacing components on the NI USB 7845R OEM device and the component manufacturers Table 1 NI USB 7845R OEM Device Components Components Reference Designator Manufacturer LEDs DS2 DS DS7 DS8 DS10 SunLED XZBB54W 1TN DS4 Everlight Electronic QTLP630C 2 T R USB connector JS Tyco 292304 1 Power connector J1 J2 amp J9 Phoenix Contact 1727566 Power switch SW2 C amp K E101J1AQE2 The following table lists and describes the I O connectors on the NI USB 7845R OEM device Refer to the connector manufacturer for information about using and matching these connectors NI USB 7845R OEM User Manual National Instruments 3 Table 2 NI USB 7845R OEM Device Connectors Connector Description Reference Designator Manufacturer AI AO 50 position header P2 3M N2550 6002RB DIO 34 position header J9 3M N2534 6002RB External LED 7 position header El FCI 68
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