NI cDAQ-9178 Specifications

These specifications are for the National Instruments CompactDAQ 9178 chassis only. These specifications are typical at 25 °C unless otherwise noted. For the C Series I/O module specifications, refer to the documentation for the C Series I/O module you are using.

Analog Input

Input FIFO size

127 samples per slot

Maximum sample rate[1]

Determined by the C Series I/O module or modules

Timing accuracy[2]

50 ppm of sample rate

Timing resolution[3]

12.5 ns

Number of channels supported

Determined by the C Series I/O module or modules

Analog Output

Number of channels supported
Hardware-timed task

Onboard regeneration

16

Non-regeneration

Determined by the C Series I/O module or modules

Non-hardware-timed task

Determined by the C Series I/O module or modules

Maximum update rate

Onboard regeneration

1.6 MS/s (multi-channel, aggregate)

Non-regeneration

Determined by the C Series I/O module or modules

Timing accuracy

50 ppm of sample rate

Timing resolution

12.5 ns

Output FIFO size

Onboard regeneration

8,191 samples shared among channels used

Non-regeneration

127 samples per slot

AO waveform modes

Non-periodic waveform, periodic waveform regeneration mode from onboard memory, periodic waveform regeneration from host buffer including dynamic update

Digital Waveform Characteristics

Waveform acquisition (DI) FIFO

127 samples per slot

Waveform generation (DO) FIFO

Slots 1 to 4

2,047 samples

Slots 5 to 8

1,023 samples

Note When modules are installed in slots 1 through 4, FIFO is 2,047 samples per slot for all slots. When any module is installed in slots 5 through 8, FIFO is 1,023 samples per slot for all eight slots.
Digital input sample clock frequency

Streaming to application memory

System-dependent

Finite

0 to 10 MHz

Digital output sample clock frequency

Streaming from application memory

System-dependent

Regeneration from FIFO

0 to 10 MHz

Finite

0 to 10 MHz

Timing accuracy

50 ppm

General-Purpose Counters/Timers

Number of counters/timers

4

Resolution

32 bits

Counter measurements

Edge counting, pulse, semi-period, period, two-edge separation, pulse width

Position measurements

X1, X2, X4 quadrature encoding with Channel Z reloading; two-pulse encoding

Output applications

Pulse, pulse train with dynamic updates, frequency division, equivalent time sampling

Internal base clocks

80 MHz, 20 MHz, 100 kHz

External base clock frequency

0 to 20 MHz

Base clock accuracy

50 ppm

Output frequency

0 to 20 MHz

Inputs

Gate, Source, HW_Arm, Aux, A, B, Z, Up_Down

Routing options for inputs

Any module PFI, chassis PFI BNC, analog trigger, many internal signals

FIFO

Dedicated 127-sample FIFO

Frequency Generator

Number of channels

1

Base clocks

20 MHz, 10 MHz, 100 kHz

Divisors

1 to 16 (integers)

Base clock accuracy

50 ppm

Output

Any chassis PFI BNC or module PFI terminal

Module PFI Characteristics

Functionality

Static digital input, static digital output, timing input, and timing output

Timing output sources[4]

Many analog input, analog output, counter, digital input, and digital output timing signals

Timing input frequency

0 to 20 MHz

Timing output frequency

0 to 20 MHz

Chassis PFI Characteristics

Maximum input or output frequency

1 MHz

Cable length

3 m (10 ft)

Cable impedance

50 Ω

TRIG 0 (PFI 0), TRIG 1 (PFI 1)

BNC

Power-on state

High impedance

Table 1. Input/Output Voltage Protection
Voltage Minimum Maximum
Input -20 V 25 V
Output -15 V 20 V
Maximum operating conditions[5]

IOL output low current

8 mA maximum

IOH output high current

-8 mA maximum

Table 2. DC Input Characteristics
Voltage Minimum Maximum
Positive going threshold 1.43 V 2.28 V
Negative going threshold 0.86 V 1.53 V
Hysteresis 0.48 V 0.87 V
Table 3. DC Output Characteristics
Voltage Conditions Minimum Maximum
High - - 5.25 V
Sourcing 100 μA 4.65 V -
Sourcing 2 mA 3.60 V -
Sourcing 3.5 mA 3.44 V -
Low Sinking 100 μA - 0.10 V
Sinking 2 mA - 0.64 V
Sinking 3.5 mA - 0.80 V

Digital Triggers

Source

Any chassis PFI BNC or module PFI terminal

Polarity

Software-selectable for most signals

Analog input function

Start Trigger, Reference Trigger, Pause Trigger, Sample Clock, Sample Clock Timebase

Analog output function

Start Trigger, Pause Trigger, Sample Clock, Sample Clock Timebase

Counter/timer function

Gate, Source, HW_Arm, Aux, A, B, Z, Up_Down

Module I/O States

At power-on

Module-dependent. Refer to the documentation for each C Series I/O module.

Power Requirements

Caution You must use a National Electric Code (NEC) Class 2 power source with the NI cDAQ-9178 chassis.
Note Some C Series I/O modules have additional power requirements. For more information about C Series I/O module power requirements, refer to the documentation for each C Series I/O module.
Note Sleep mode for C Series I/O modules is not supported in the NI cDAQ-9178.

Input voltage range

9 to 30 V

Maximum required input power[6]

15 W

Power input connector

2 positions 3.5 mm pitch pluggable screw terminal with screw locks similar to Sauro CTMH020F8-0N001

Power input mating connector

Sauro CTF020V8, Phoenix Contact 1714977, or equivalent

Power consumption from USB, 4.10 to 5.25 V

500 μA maximum

Bus Interface

USB specification

USB 2.0 Hi-Speed

High-performance data streams

7

Data stream types available

Analog input, analog output, digital input, digital output, counter/timer input, counter/timer output, NI-XNET[7]

Note If you are connecting the NI cDAQ-9178 chassis to a USB hub, the hub must be externally powered.

Physical Characteristics

Weight (unloaded)

Approx. 878 g (31.0 oz)

Dimensions (unloaded)

254.0 mm × 88.1 mm × 58.9 mm (10 in. x 3.47 in. × 1.31 in.) Refer to the following figure.

If you need to clean the chassis, wipe it with a dry towel.

Figure 1. NI cDAQ-9178 Dimensions

1378

Environmental

Operating temperature[8]

-20 °C to 55 °C (IEC-60068-2-1 and IEC-60068-2-2)

Storage temperature

-40 °C to 85 °C (IEC-600068-2-1 and IEC-60068-2-2)

Ingress protection

IP 30

Operating humidity

10 to 90% RH, noncondensing (IEC-60068-2-56)

Storage humidity

5 to 95% RH, noncondensing (IEC-60068-2-56)

Pollution Degree (IEC 60664)

2

Maximum altitude

5,000 m

Indoor use only.

Shock and Vibration

To meet these specifications, you must panel mount the NI cDAQ-9178 system, use an NI locking USB cable, and affix ferrules to the ends of the terminal lines.

Operational shock

30 g peak, half-sine, 11 ms pulse (Tested in accordance with IEC 60068-2-27. Test profile developed in accordance with MIL-PRF-28800F.)

Random vibration

Operating

5 to 500 Hz, 0.3 grms

Non-operating

5 to 500 Hz, 2.4 grms (Tested in accordance with IEC 60068-2-64. Non-operating test profile exceeds the requirements of MIL PRF-28800F, Class 3.)

Safety

This product meets 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, CSA 61010-1
Note For UL and other safety certifications, refer to the product label or the Online Product Certification section.

Electromagnetic Compatibility

This product meets the requirements of the following EMC standards for electrical equipment for measurement, control, and laboratory use:

  • EN 61326-1 (IEC 61326-1): Class A emissions; Basic immunity
  • EN 55011 (CISPR 11): Group 1, Class A emissions
  • AS/NZS CISPR 11: Group 1, Class A emissions
  • FCC 47 CFR Part 15B: Class A emissions
  • ICES-001: Class A emissions
Note In the United States (per FCC 47 CFR), Class A equipment is intended for use in commercial, light-industrial, and heavy-industrial locations. In Europe, Canada, Australia, and New Zealand (per CISPR 11) Class A equipment is intended for use only in heavy-industrial locations.
Note Group 1 equipment (per CISPR 11) is any industrial, scientific, or medical equipment that does not intentionally generate radio frequency energy for the treatment of material or inspection/analysis purposes.
Note For EMC declarations and certifications, refer to the Online Product Certification section.

CE Compliance

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

  • 2006/95/EC; Low-Voltage Directive (safety)
  • 2004/108/EC; Electromagnetic Compatibility Directive (EMC)

Online Product Certification

To obtain product certifications and 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.

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 not only to the environment but also to NI customers.

For additional environmental information, refer to the Minimize Our Environmental Impact 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.

Waste Electrical and Electronic Equipment (WEEE)

EU Customers At the end of the product life cycle, all products must be sent to a WEEE recycling center. For more information about WEEE recycling centers, National Instruments WEEE initiatives, and compliance with WEEE Directive 2002/96/EC on Waste Electrical and Electronic Equipment, visit ni.com/environment/weee.

电子信息产品污染控制管理办法（中国RoHS）

中国客户 National Instruments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National Instruments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.)

1 Performance dependent on type of installed C Series I/O module and number of channels in the task.

2 Does not include group delay. For more information, refer to the documentation for each C Series I/O module.

3 Does not include group delay. For more information, refer to the documentation for each C Series I/O module.

4 Actual signals available dependent on type of installed C Series I/O module.

5 Stresses beyond those listed under Maximum operating conditions may cause permanent damage to the chassis.

6 Includes maximum 1 W module load per slot across rated temperature and product variations.

7 When a session is active, CAN or LIN (NI-XNET) C Series modules use a total of two data streams regardless of the number of NI-XNET modules in the chassis.

8 When operating the NI cDAQ-9178 in temperatures below 0 °C, you must use the PS-15 power supply or another power supply rated for below 0 °C.