Introduction

This document provides the specifications for the IC-3121. Specifications are subject to change without notice. Refer to the National Instruments Product Manuals Library at ni.com/manuals for the most recent versions of product documentation.
Characteristics/Nominal Specifications describe basic functions and attributes of the device established by design.

Physical Characteristics

Caution You can impair the protection provided by the IC-3121 if you use it in a manner not described in this document.

To clean the IC-3121, wipe it with a dry towel.

Dimensions

10.8 cm × 6.1 cm × 13.0 cm (4.3 in × 2.4 in × 5.1 in)

Weight

911 g (2.01 lb)

Processor

Type

Quad Core Intel Atom Processor E3845

Frequency

1.91 GHz

On-die L2 cache

2 MB

Operating System

Supported Operating Systems

NI Linux Real-Time 64-bit

Windows Embedded Standard 7 64-bit

Memory

System RAM

Capacity

4 GB

Type

DDR3L

Speed

1333 MT/s

Nonvolatile storage

Capacity

2 GB

Power Requirements

Note Supply voltages are measured at the IC-3121 power connectors.
System Power (V)

Supply voltage

10.8 to 26.4 VDC

Maximum power input

24 W

Isolated Output Power (VISO)

Supply voltage

4.5 to 30 VDC

Reconfigurable FPGA

Type

Spartan-6 LX25

Number of flip-flops

30,064

Number of 6-input LUTs

15,032

Number of DSP48E1 slices (18 × 25 multipliers)

38

Embedded block RAM

52 (936 Kbits)

Number of DMA channels

32

Number of logical interrupts

32

Network Port

Standard

IEEE 802.3 Ethernet, 10BASE-T, 100BASE-TX, 1000BASE-T

Interface

RJ45

Speed

10, 100, 1000 Mbps

USB 3.0 Ports

Number of ports

2

Type

USB 3.0, SuperSpeed

Speed

5 Gbit/s

Maximum current

900 mA, per port

USB 2.0 Ports

Number of ports

2

Type

USB 2.0, Hi-Speed

Speed

480 Mbit/s

Maximum current

1 A, shared across both ports

VGA Port

Maximum resolution

1920 × 1200 at 60 Hz

TTL Inputs/Outputs

Number of channels

8

Type

Bidirectional

Output voltage range

0 V to 5 V

Maximum pulse rate

2 MHz

Minimum pulse detected

500 ns

Power-on state

Input (high-impedance), 10 kΩ pull-up to 5 V

Logic levels

Input low voltage

0.59 V maximum

Input high voltage

2.57 V minimum

Output low voltage

0.38 V maximum at 1.5 mA

Output high voltage

4.12 V minimum at 1.5 mA

Differential Inputs/Outputs

Number of channels

2

Types

Bidirectional RS-422/RS-485 or single-ended input

Maximum pulse rate

5 MHz, differential

Differential input threshold

±200 mV

Differential output voltage

2.0 V min (RLOAD = 100 Ω, RS-422)

Input voltage range

0 V to 5.5 V

TTL-compatible single-ended logic levels

Input low voltage

0.8 V

Input high voltage

2.0 V

Isolated Inputs

Type

Current sinking

Number of channels

8

Input voltage

Input voltage range

0 V to 24 V

Input OFF voltage

0 V to 2.0 V

Input ON voltage

3.3 V to 24 V

Turn-on current

2.5 mA

Maximum pulse rate

100 kHz

Minimum pulse detected

10 µs

Input protection

Reverse polarity protection

Yes, -30 V

Input voltage (channel to CISO)

30 V maximum

Input current

3.3 mA, internally limited

Isolated Outputs

Type

Current sourcing

Number of channels

8

Supply voltage (VISO)

Supply voltage range (VISO)

4.5 to 30 VDC

Reverse polarity protection

Yes, -30 V

Maximum output voltage drop

VISO = 5 V

1.08 V at 35 mA

VISO = 24 V

1.18 V at 80 mA

Maximum output current

VISO = 5 V

35 mA

VISO = 24 V

80 mA

Maximum current limit

345 mA

Minimum pulse rate

2.5 kHz (load of 100 kΩ, 300 pF)

Maximum pulse rate

20 kHz (load of 10 kΩ, 300 pF)

Minimum pulse generated

400 µs

Note The isolated outputs have a current limit which will turn off the outputs in case the limit is exceeded. The circuit resets when the output is turned off. Do not draw more than 100 mA from any 24 V isolated output. Do not draw more than 50 mA from any 5 V isolated output. Do not draw more than 640 mA combined from the VISO pins on the 44-pin D-SUB connector.

Environmental

Indoor use only.

Ingress protection (IEC 60529)

IP40

Temperature (IEC 60068-2-1 and IEC 60068-2-2)

Operating

0 °C to 55 °C

Storage

-20 °C to 85 °C

Operating humidity (IEC 60068-2-56)

10% RH to 90% RH, noncondensing

Storage humidity (IEC 60068-2-56)

5% RH to 95% RH, noncondensing

Pollution degree (IEC 60664)

2

Maximum Altitude

2,000 m

Operating shock (IEC 60068-2-27)

50 g, 3 ms half sine, 3 shocks per side 30 g, 11 ms half sine, 3 shocks per side

Operating vibration

Random (IEC 60068-2-64)

10 to 500 Hz, 5 grms

Swept Sine (IEC 60068-2-6)

10 to 500 Hz, 5 g

Safety Compliance Standards

This product is designed to meet the requirements of the following electrical equipment safety standards for measurement, control, and laboratory use:

  • IEC 61010-1, EN 61010-1
  • UL 61010-1, CSA C22.2 No. 61010-1
Note For safety certifications, refer to the product label or the Product Certifications and Declarations section.

Electromagnetic Compatibility

CE Compliance 1378

This product meets the essential requirements of applicable European Directives, as follows:

  • 2014/35/EU; Low-Voltage Directive (safety)
  • 2014/30/EU; Electromagnetic Compatibility Directive (EMC)
  • 2011/65/EU; Restriction of Hazardous Substances (RoHS)
  • 2014/53/EU; Radio Equipment Directive (RED)
  • 2014/34/EU; Potentially Explosive Atmospheres (ATEX)

Product Certifications and Declarations

Refer to the product Declaration of Conformity (DoC) for additional regulatory compliance information. To obtain product certifications and the DoC for NI products, visit ni.com/product-certifications, search by model number, and click the appropriate link.

Environmental Management

NI is committed to designing and manufacturing products in an environmentally responsible manner. NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers.

For additional environmental information, refer to the Engineering a Healthy Planet web page at ni.com/environment. This page contains the environmental regulations and directives with which NI complies, as well as other environmental information not included in this document.

EU and UK Customers

  • 1378 Waste Electrical and Electronic Equipment (WEEE)—At the end of the product life cycle, all NI products must be disposed of according to local laws and regulations. For more information about how to recycle NI products in your region, visit ni.com/environment/weee.
  • Battery Replacement and Disposal

  • 1378 Battery Directive—This product contains a long-life coin cell battery. If you need to replace it, use the Return Material Authorization (RMA) process or contact an authorized NI service representative. For more information about compliance with the EU Battery Directive 2006/66/EC about Batteries and Accumulators and Waste Batteries and Accumulators, visit ni.com/environment/batterydirective.
  • 电子信息产品污染控制管理办法(中国RoHS)

  • 1378 中国RoHSNI符合中国电子信息产品中限制使用某些有害物质指令(RoHS)。关于NI中国RoHS合规性信息,请登录 ni.com/environment/rohs_china。(For information about China RoHS compliance, go to ni.com/environment/rohs_china.)
  • Where to Go Next

    The following documents and resources contain information you may find helpful as you use the IC-3121 in an application. Refer to the National Instruments Product Manuals Library at ni.com/manuals for the most recent versions of product documentation.

    • IC-3121 Getting Started Guide —Explains how to install and configure the device.
    • IC-3121 User Manual —Contains connector pinouts, configuration information, and mounting information.

    NI Services

    Visit ni.com/support to find support resources including documentation, downloads, and troubleshooting and application development self-help such as tutorials and examples.

    Visit ni.com/services to learn about NI service offerings such as calibration options, repair, and replacement.

    Visit ni.com/register to register your NI product. Product registration facilitates technical support and ensures that you receive important information updates from NI.

    NI corporate headquarters is located at 11500 N Mopac Expwy, Austin, TX, 78759-3504, USA.