background image

NI PCIe-8255R User Manual

12

ni.com

TTL Outputs

Number of channels................................10

Output voltage range ..............................0 V to 5 V

Maximum pulse rate ...............................2 MHz

Optically Isolated Inputs and Outputs

Isolated (Current Sinking) Inputs

Number of channels................................13

Input voltage range .................................0 V to 30 V

Input ON voltage .............................3.5 V to 30 V
Input OFF voltage............................0 V to 2 V

Turn-on current.......................................7.1 mA, typical

14 mA, maximum

Maximum pulse rate ...............................100 kHz

Minimum pulse detected ........................10 

μ

s

Reverse polarity protection.....................Yes, –30 V

Isolated (Current Sourcing) Outputs

Number of channels................................4

On-state voltage range ............................5 V to 30 V, maximum

Maximum on-state voltage 
drop from V .....................................1.2 V at 100 mA

Output current

5 V isopower....................................50 mA, maximum

24 V isopower..................................100 mA, maximum

30 V isopower..................................100 mA, maximum

Maximum pulse rate ...............................10 kHz (maximum load 

resistance 100 k

Ω

)

Minimum pulse generated ......................100 

μ

s

Reverse polarity protection.....................Yes

Содержание NI PCIe-8255

Страница 1: ...are Release Notes Computer running Windows 2000 XP with at least one PCIe slot IEEE 1394 camera 9 pin IEEE 1394 cable for interfacing to IEEE 1394b cameras 6 pin to 9 pin cable or 6 pin to 9 pin adapt...

Страница 2: ...afety Information Caution The following paragraphs contain important safety information you must follow when installing and operating the device Do not operate the device in a manner not specified in...

Страница 3: ...mes conductive because of condensation Pollution Degree 3 Conductive pollution or dry nonconductive pollution occurs Nonconductive pollution becomes conductive because of condensation Clean the device...

Страница 4: ...s on hard wired equipment such as equipment in fixed installations distribution boards and circuit breakers Other examples are wiring including cables bus bars junction boxes switches socket outlets i...

Страница 5: ...are Release Notes for installation and configuration instructions 2 Power off and unplug the computer Caution To protect yourself and the computer from electrical hazards the computer must remain unpl...

Страница 6: ...and gently rock the NI 8255R into the slot The connection may be tight but do not force the device into place Note Check that the bracket of the NI 8255R lines up with the hole in the back panel rail...

Страница 7: ...nnector on the NI 8255R front panel Refer to Figure 2 for the location of the IEEE 1394b bilingual connectors on the NI 8255R If you are using an IEEE 1394a cable an IEEE 1394a to IEEE 1394b adapter i...

Страница 8: ...ou are using a power supply other than the NI desktop power supply skip this step and proceed to step 2 a Disconnect the 4 position power connector from the power supply as shown in Figure 3 Figure 3...

Страница 9: ...I Vision I O Terminal Block and Prototyping Accessory Refer to Table 1 for a summary of the isolated power supply connections 3 Optional To suppress electromagnetic interference install a ferrite on t...

Страница 10: ...sign resources to it Use Measurement Automation Explorer MAX the National Instruments configuration utility to configure the IEEE 1394 camera connected to the NI 8255R for acquisition Note You must in...

Страница 11: ...z Minimum pulse detected 500 ns Power on state Input high impedance 61 9 k pull up to 5V 1 The bus power specification assumes that power is provided to the NI 8255R device from the host computer powe...

Страница 12: ...V Turn on current 7 1 mA typical 14 mA maximum Maximum pulse rate 100 kHz Minimum pulse detected 10 s Reverse polarity protection Yes 30 V Isolated Current Sourcing Outputs Number of channels 4 On st...

Страница 13: ...x4 x8 x16 Physical Characteristics Dimensions 11 2 cm 16 8 cm 4 4 in 6 6 in Weight 130 g 4 5 oz Environment The NI 8255R device is intended for indoor use only Operating temperature 0 C to 55 C Storag...

Страница 14: ...ons Class A Note For EMC compliance operate this device with shielded cabling CE Compliance The NI 8255R meets the essential requirements of applicable European Directives as amended for CE marking as...

Страница 15: ...as offices located around the world to help address your support needs For telephone support in the United States create your service request at ni com support and follow the calling instructions or d...

Страница 16: ...nal Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies For patents covering National Instruments products refer to the...

Отзывы: