cDAQ-9179 Specifications
- Updated2023-02-16
- 7 minute(s) read
cDAQ-9179 Specifications
Definitions
Warranted specifications describe the performance of a model under stated operating conditions and are covered by the model warranty.
Characteristics describe values that are relevant to the use of the model under stated operating conditions but are not covered by the model warranty.
- Typical specifications describe the performance met by a majority of models.
- Nominal specifications describe an attribute that is based on design, conformance testing, or supplemental testing.
Specifications are Typical unless otherwise noted.
Conditions
Specifications are valid at 25 °C unless otherwise noted.
Analog Input
Analog Output
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Timing accuracy | 50 ppm of sample rate | ||||||||||||
Timing resolution | 12.5 ns | ||||||||||||
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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
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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 MHz to 20 MHz |
Base clock accuracy | 50 ppm |
Output frequency | 0 MHz to 20 MHz |
Inputs | Gate, Source, HW_Arm, Aux, A, B, Z, Up_Down |
Routing options for inputs | Any module PFI,chassis PFI,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 or module PFI terminal |
Module PFI Characteristics
Functionality | Static digital input, static digital output, timing input, and timing output |
Timing output sources[3] | Many analog input, analog output, counter, digital input, and digital output timing signals |
Timing input frequency | 0 MHz to 20 MHz |
Timing output frequency | 0 MHz to 20 MHz |
Chassis PFI Characteristics
Maximum input or output frequency | 1 MHz |
Cable length | 3 m (10 ft) |
Cable impedance | 50 Ω |
PFI 0, PFI 1 | BNC |
Power-on state | High impedance |
| Voltage | Minimum | Maximum |
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| Input | -20 V | 25 V |
| Output | -15 V | 20 V |
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| Voltage | Minimum | Maximum |
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| 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 |
| 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 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 module. |
Bus Interface
USB specification | USB 3.0 SuperSpeed | ||||||
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Data stream types available | Analog input, analog output, digital input, digital output, counter/timer input, counter/timer output, NI-XNET[5] | ||||||
Power Requirements
Voltage input range | 9 to 30 V (measured at the cDAQ-9179 power connector) |
Maximum power consumption[6] | 25 W |
Power input connector | 2 positions 3.5 mm pitch mini-combicon screw terminal with screw flanges, Sauro CTMH020F8-0N001 |
Power input mating connector | Sauro CTF02BV8, Phoenix Contact 1714977, or equivalent |
Power consumption from USB, 4.10 V to 5.25 V | 500 μA maximum |
Physical Characteristics
Weight (unloaded) | 1.46 kg (51.7 oz) | ||||||
Dimensions (unloaded) | 406.3 mm × 88.1 mm × 64.0 mm (15.99 in. x 3.47 in. × 2.52 in.) Refer to the following figure. | ||||||
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Safety Voltages
V terminal to C terminal | 30 V max, Measurement Category I |
Chassis ground to C terminal | 30 V max, Measurement Category I |
Environmental Characteristics
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Pollution Degree | 2 | ||||||||
Maximum altitude | 5,000 m | ||||||||
Shock and Vibration
To meet these specifications, you must panel mount the cDAQ-9179 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 | ||||||
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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
Electromagnetic Compatibility
CE Compliance

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
电子信息产品污染控制管理办法(中国RoHS)
1 Performance dependent on type of installed C Series 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 module.
3 Actual available signals are dependent on type of installed C Series module.
4 Stresses beyond those listed under Maximum operating conditions may cause permanent damage to the chassis.
5 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.
6 Includes maximum 1 W module load per slot across rated temperature and product variations.
7 When operating the cDAQ-9179 in temperatures below 0 °C, you must use the PS-15 power supply or another power supply rated for below 0 °C.