型号: PXI-6123

产品编号: 779181-01

NI 6122/6123 Specifications

This document lists the I/O terminal summary and specifications for the NI 6122/6123.

For the most current edition of this document, refer to ni.com/manuals. Refer to the DAQ Quick Start Guide for more information about accessing documents on the NI-DAQ CD.

 Note With NI-DAQmx, National Instruments has revised its terminal names so they are easier to understand and more consistent among NI hardware and software products. The revised terminal names used in this document are usually similar to the names they replace. For a complete list of Traditional NI-DAQ terminal names and their NI-DAQmx equivalents, refer to the Terminal Name Equivalents table in the S Series Help.

Table 1.  I/O Terminal Summary

Table 1.  I/O Terminal Summary (Continued)

Specifications

The following specifications are typical at 25 °C unless otherwise noted.

Analog Input Input Characteristics

Number of channels

NI 6122............................................4

NI 6123............................................8

Type of ADC

Resolution........................................16 bits, 1 in 65,536

Pipeline............................................0

Sampling rate

Maximum........................................500 kS/s per channel Minimum ........................................No minimum

Input impedance

AI – to AI GND ..............................100 MΩ in parallel with 10 pF

AI + to AI GND..............................100 MΩ in parallel with 10 pF

Input bias current ...................................±2 pA typ, ±25 pA max

Input offset current.................................±1 pA typ, ±10 pA max

Input coupling ........................................DC

Max working voltage for all analog input channels

Positive input (AI +).......................±11 V for all ranges,

Measurement Category I

Negative input (AI –)......................±11 V for all ranges,

Measurement Category I

              Caution  Do not use for measurements within Categories II, III, or IV.

Overvoltage protection

(AI +, AI –) ............................................±36 V

Input current during overvoltage conditions...........................±20 mA max

Input FIFO size

NI 6122 ...........................................16 MS

NI 6123 ...........................................16 or 32 MS

Data transfers .........................................DMA, interrupts,

programmed I/O

DMA mode ............................................Scatter-gather

DC Transfer Characteristics

INL.........................................................±2 LSB max

DNL .......................................................–1 min, 1.5 max, no missing codes

Dynamic Characteristics

Phase mismatch......................................±0.1° at 100 kHz

Table 2.  NI 6122/6123 Analog Input Dynamic Characteristics

Stability

Recommended warm-up time................15 min

Calibration

Calibration interval ................................2 years

Level.......................................................5.000 V (±2.5 mV)

(actual value stored in EEPROM)

Temperature coefficient.........................±5.0 ppm/°C max

                                                 Long-term stability.................................±15 ppm/    1,000 h

Typical Performance Graphs

Digital I/O

Number of channels ...............................8 input/output Compatibility .........................................TTL/CMOS

Table 3.  Digital Logic Levels

Power-on state........................................Input (high-impedance)

Data transfers .........................................DMA, interrupts,

programmed I/O

Input buffer ............................................2,044 bytes Output buffer..........................................2,044 bytes

Transfer rate (1 word = 8 bits) ...............10 Mwords/s

Timing I/O

Number of channels ...............................2 up/down counter/timers,

1 frequency scaler

Resolution

Counter/timers ................................24 bits Frequency scaler .............................4 bits

Compatibility .........................................TTL/CMOS

Base clocks available

Counter/timers ................................20 MHz, 100 kHz

Frequency scaler .............................10 MHz, 100 kHz

Base clock accuracy...............................±0.01%

Max source frequency............................20 MHz

Min source pulse duration ......................10 ns, edge-detect mode Min gate pulse duration..........................10 ns, edge-detect mode

Data transfers..........................................DMA, interrupts,

programmed I/O

DMA modes ...........................................Scatter-gather

Triggers Analog Trigger

Source.....................................................All analog input channels

Level.......................................................± full-scale

Slope.......................................................Positive or negative

(software-selectable)

Resolution...............................................8 bits, 1 in 256

Hysteresis................................................Programmable

Bandwidth (–3 dB) .................................5 MHz internal/external

Digital Trigger

Compatibility..........................................TTL

Response.................................................Rising or falling edge

Pulse width .............................................10 ns min

RTSI Trigger Lines (PCI Only)

Trigger lines <0..6> ................................7

RTSI clock..............................................1

PXI Trigger Bus (PXI Only)

Trigger lines <0..6> ................................7

Star trigger..............................................1

Bus Interface

Type........................................................Master, slave

Power Requirement

+5 VDC (±5%)

NI 6122 ...........................................1.03 A NI 6123 ...........................................1.9 A

+3.3 V

NI 6122 ...........................................1.1 A

NI 6123 ...........................................1.55 A

–12 V

NI 6122 ...........................................52 mA

NI 6123 ...........................................81 mA

Power available at I/O connector...........+4.65 to +5.25 VDC at 1 A

Physical

Dimensions (not including connectors)

NI PCI-6122/6123...........................31.2 × 10.6 cm

(12.3 × 4.2 in.)

NI PXI-6122/6123 ..........................16.0 cm × 10.0 cm

(6.3 × 3.9 in.)

I/O connector..........................................68-pin male SCSI-II type

Environmental

Operating temperature............................0 to 50 °C

Storage temperature ...............................–20 to 70 °C

Humidity ................................................10 to 90% RH, noncondensing

Maximum altitude..................................2,000 m

Pollution Degree (indoor use only)........2

Safety

The NI 6122/6123 devices are designed to meet the requirements of the following standards of safety for electrical equipment for measurement, control, and laboratory use:

•        IEC 61010-1, EN 61010-1

•        UL 61010-1

•        CAN/CSA-C22.2 No. 61010-1

          Note       For UL and other safety certifications, refer to the product label, or visit ni.com/certification, search by model number or product line, and click the appropriate link in the Certification column.

Electromagnetic Compatibility

Emissions................................................EN 55011 Class A at 10 m

FCC Part 15A above 1 GHz

Immunity ................................................EN 61326:1997 + A2:2001,

Table 1

EMC/EMI...............................................CE, C-Tick, and FCC Part 15

(Class A) Compliant

            Note   For EMC compliance, operate this device with shielded cabling.

CE Compliance

This product meets the essential requirements of applicable European Directives, as amended for CE marking, as follows:

Low-Voltage Directive (safety)..............73/23/EEC

Electromagnetic Compatibility

Directive (EMC).....................................89/336/EEC

          Note       Refer to the Declaration of Conformity (DoC) for this product for any additional regulatory compliance information. To obtain the DoC for this product, visit ni.com/certification, search by model number or product line, and click the appropriate link in the Certification column.

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