National Instruments IMAQ SCB-100 Скачать руководство пользователя страница 13

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General

Number of screw terminals

101 (includes one no connect); all I/O signals
are available at screw terminals

Cold-junction sensor

Accuracy

.±0.5 °C

Output

.10 mV/°C

Caution

Do not connect hazardous voltages (≥42 V

/60 VDC).

Power Requirement

Power consumption (at +5 VDC ±5%),
typical

10 mA with no signal conditioning installed

Note

Limit the current drawn from the host computer's +5 VDC to about 800 mA,

maximum.

Physical Characteristics

Dimensional drawings are available on the SCB-100 product page.

Box dimensions

17.93 cm × 15.37 cm × 4.50 cm (7.06 in. ×
6.05 in. × 1.77 in.)

Weight

897 g (1 lb 15.6 oz)

I/O connectors

One 100-pin female 0.050 series shielded D-
type connector

Screw terminals

101, including one No Connect (NC)

Wire gauge

14-26 AWG

Environmental

Operating temperature

0 to 70 °C

Storage temperature

-55 to 125 °C

Relative humidity

5 to 90% noncondensing

Maximum altitude

2,000 m

Pollution Degree (indoor use only)

Waste Electrical and Electronic Equipment (WEEE)

EU Customers

This symbol indicates that waste products should be disposed of

separately from municipal household waste according to

NI SCB-100 Installation Guide and Specifications

Содержание IMAQ SCB-100

Страница 1: ...lief bar for securing signal wires or cables The SCB 100 connects to E Series MIO devices NI 6025E NI 6031E NI 6033E and NI 6071E DIO devices PCI DIO 96 NI 6508 NI 6509 NI 6511 NI 6512 NI 6513 NI 6514 NI 6515 NI 6527 and NI 6528 TIO Series devices NI 6624 or other products with a 100 pin 0 050 series shielded D type I O connector Note To use the SCB 100 with a DIO or TIO Series device you must cha...

Страница 2: ...O devices or SH100 100 F cable part number 185095 0x for DIO TIO Series devices Phillips 1 and 2 screwdrivers 14 26 AWG wire Wire cutters Wire insulation strippers 1 8 in flathead screwdriver Soldering iron and solder optional Long nose pliers optional Resistors and capacitors specific to your application optional Attaching the Quick Reference Label A quick reference label is included in the SCB 1...

Страница 3: ...ardous voltages may exist even when the equipment is turned off Before removing the cover disconnect the AC power or any live circuit from the connector block The chassis ground terminals on your SCB 100 are for grounding high impedance sources such as a floating source 1 mA maximum Do not use these terminals as safety earth grounds Do not connect hazardous voltages 42 Vpk 60 VDC National Instrume...

Страница 4: ...pensation Temperature Sensor To get started with the SCB 100 complete the following steps 1 Disconnect the 100 pin cable from the SCB 100 if connected 2 Remove the grounding screws on either side of the top cover with a Phillips 1 screwdriver Open the top cover 3 Configure switches for the signal types you are using as explained in the Using the SCB 100 with DIO TIO Devices section or the Using th...

Страница 5: ... with DIO TIO Devices Caution Use the NI SH100 100 F cable with DIO devices and the NI SH100 100 cable with MIO devices Using the SH100 100 cable with a DIO device can damage the device DIO devices TIO Series devices and DAQ devices without analog input functionality must use the DIO passthrough mode Move the switches to the DIO passthrough mode switch setting as shown in the following table Table...

Страница 6: ...SCB 100 with MIO Devices You can take measurements with the SCB 100 and MIO DAQ devices such as E Series in a number of ways The SCB 100 has a temperature sensor for cold junction compensation to accommodate thermocouples Switches S4 S5 and S6 configure the temperature sensor for different analog input settings The following table shows the different switch settings for MIO DAQ devices 6 ni com NI...

Страница 7: ... mode AI 8 is available on a screw terminal The signal accessory power LED DS1 lights when the MIO device is powered on and connected to the SCB 100 Refer to the following figure for a detailed diagram S6 S5 S4 S1 S2 S3 MIO with differential temperature sensor mode Move switches S1 S2 S3 S4 S5 and S6 to the positions shown on the left In this mode The temperature sensor can be read using AI 0 and ...

Страница 8: ...our device documentation for device signal information Temperature Sensor Output and Accuracy The SCB 100 temperature sensor outputs 10 mV C and has an accuracy of 0 5 C You also can determine the temperature using the following formulas TC 100 Vt TK TC 273 15 TF 9 5 TC 32 Where Vt is the temperature sensor output voltage TK is the temperature in Kelvin 8 ni com NI SCB 100 Installation Guide and S...

Страница 9: ...strumentation amplifier bias currents floating sources must have a 10 to 100 kΩ resistor connected to the AI GND signal line on one input if DC coupled or both inputs if AC coupled For detailed information on connections to floating signal sources and differential inputs refer to your device documentation Single Ended Inputs When measuring floating signal sources configure the MIO DAQ device to su...

Страница 10: ...ng is close to the actual temperature of the screw terminals Therefore when reading thermocouples keep the SCB 100 away from drafts or other temperature gradients such as those caused by heaters radiators fans and warm equipment Using the SCB 100 for Thermocouple Measurements The maximum voltage level generated by thermocouples is typically a few millivolts Therefore for best resolution use an MIO...

Страница 11: ...being approximations of the true thermocouple output The linearization error depends upon the degree of polynomial used Measurement error is the result of inaccuracies in the MIO DAQ device including gain and offset If the MIO DAQ device is properly calibrated the offset error should be zero The only remaining error is a gain error of 0 08 of full range refer to the DAQ device specifications If th...

Страница 12: ... printed circuit board usually in the form of adding components or cutting jumpers Use a low wattage soldering iron 20 to 30 W when soldering to the board To desolder on the SCB 100 vacuum type tools work best Use care when desoldering to avoid damaging component pads Use only rosin core electronic grade solder Acid core solder damages the printed circuit board and components For each screw termin...

Страница 13: ... product page Box dimensions 17 93 cm 15 37 cm 4 50 cm 7 06 in 6 05 in 1 77 in Weight 897 g 1 lb 15 6 oz I O connectors One 100 pin female 0 050 series shielded D type connector Screw terminals 101 including one No Connect NC Wire gauge 14 26 AWG Environmental Operating temperature 0 to 70 C Storage temperature 55 to 125 C Relative humidity 5 to 90 noncondensing Maximum altitude 2 000 m Pollution ...

Страница 14: ...es 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...

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