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cDAQ-9181
cDAQ-9181, 1-Slot, Ethernet Bus Connector, CompactDAQ Chassis
Actual item may vary if no part number is provided on quote request.
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Expert Insights for the cDAQ-9181
"The cDAQ-9181 is a CompactDAQ ethernet chassis that is ideal for small remote sensor measurement systems. The 32-bit counters provide synchronization of data transfers that can be accessed through a variety of NI I/O modules. This chassis is perfect for a location with network connectivity that may be far from the host computer."
- Chris B.
LabVIEW Trained
In-House Technician
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Expert Insights for the cDAQ-9181
"The cDAQ-9181 is a CompactDAQ ethernet chassis that is ideal for small remote sensor measurement systems. The 32-bit counters provide synchronization of data transfers that can be accessed through a variety of NI I/O modules. This chassis is perfect for a location with network connectivity that may be far from the host computer."
- Chris B.
LabVIEW Trained
In-House Technician
National Instruments cDAQ-9181 CompactDAQ Chassis
The cDAQ-9181 (Part Numbers: 782052-01 and 781496-01) can be used with the C Series analog input modules that are particularly intended for measuring signals that fluctuate gradually, such as temperature. Due to their rate, it is not suitable for these modules to oblige the AI Sample Clock to work at slower than their most extreme rate. When utilizing such a module in the NI cDAQ-9181 frame, the greatest sample rate can run quicker than the most extreme rate for the module.
On the NI cDAQ-9181 1-Slot Ethernet Chassis, it is possible to utilize Reference Trigger to stop a measurement acquisition. To utilize a reference trigger, determine a buffer of finite size and various pre-trigger (samples that happen before the reference trigger). Taking the buffer size and subtracting the number of pretrigger samples yields the appropriate number of posttrigger samples, or samples that happen after the reference trigger.
To create an analog input, embed an analog input C Series module in any slot on the cDAQ-9181. The quantity of channels, channel configuration, and sample rate are controlled by the type of C Series module that is utilized. On a solitary analog output C Series module, the user can dole out any number of channels to either a hardware-timed task or a software timed task. However, the user cannot assign some channels to a hardware-timed task while also assigning other channels to a software-timed task on a single analog output module.
When unloaded, the cDAQ-9181 weighs 16.6 oz. (470 g) and measures physical dimensions of 7.64 x 3.49 x 1.32 in. (194.0 mm × 88.7 mm × 33.6 mm). The operating temperature range for the device is 0 °C to 55 °C. When not in use, the storage temperature for the chassis ranges from -10 °C to 70 °C.
Additional specification information for the cDAQ-9181 can be found in the manuals and datasheets under the "Manuals & PDFs" tab. The "Drivers & Software" tab has cDAQ-9181 drivers available for free download.
| Model | cDAQ-9181 |
|---|---|
| Manufacturer | National Instruments |
| Brand | Emerson |
| Part Numbers | 781496-01, 782052-01 |
| Type | CompactDAQ Chassis |
| Slots | 1 |
| Bus Connector | Ethernet |
| Timing Resolution | 12.5 ns |
| Counters/Timers | 4 |
| Power Consumption | 5 W Maximum |
| Max Cabling Distance | 100 m/segment |
| Onboard Trigger? | No |
| Synchronization Enabled? | No |
| Operating Temp Range | 0 °C to 55 °C |
| Storage Temp Range | -10 °C to 70 °C |
| Dimensions | 7.64 x 3.49 x 1.32 in. (194.0 mm × 88.7 mm × 33.6 mm) |
| Weight | 16.6 oz. (470 g) when Unloaded |
| cDAQ-9181 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Request a Quote Today for Pricing |
Associated part numbers for cDAQ-9181:
National Instruments cDAQ-9181 Frequently Asked Questions
Question: What is the difference between the two part numbers for the cDAQ-9181?
Answer: The cDAQ Chassis has one version that is conformal coated (Part Number: 781496-01) and another version that is not conformal coated (Part Number: 782052-01).
Question: Why is MAX/Windows unable to detect my NI cDAQ-9181 that I’ve connected via Ethernet?
Answer: If MAX is not detecting your chassis, then download and install DAQmx 18.0.0.
Question: Why is my cDAQ-9181 grayed out after rebooting my computer?
Answer: If your CompactDAQ Chassis is grayed out after booting your system, it means that the device is not available. Program a self-test function that is set to occur every time you run the application to ensure that your device shows as available each time.
Question: How can I access the NI cDAQ-9181 and reset network settings if I forgot my password?
Answer: When using the cDAQ Chassis, you can change your password by physically accessing the device and pressing the reset button located at the top of the device for over 5 seconds, until the STATUS LED lights up.
Question: How do I find the MAC address of my Ethernet connected NI cDAQ-9181 Chassis?
Answer: You can find the MAC address of your chassis by either opening MAX, selecting Ethernet cDAQ under network devices, and then going into Network Settings to see the MAC address or by looking on the back of the hardware device for the sticker with the MAC address.
Question: What should I do if MAX / Windows cannot detect my cDAQ-9181 or the module I have plugged into it?
Answer: You will need to make sure that your drivers are compatible with the version of LabVIEW you are using. You might need to upgrade to the newest version of LabVIEW, or revert back to a previous version of NI-DAQmx.
cDAQ-9181 PDF Manuals
NI-CDAQ-9181-9184-9188-9191-USER-MANUAL.PDF
NI-CDAQ-9181-ETHERNET-CHASSIS-QUICK-START.PDF
NI-CDAQ-9181-NI-CDAQ-9184-NI-CDAQ-9188-NI-CDAQ-9188XT-LETTER-OF-VOLATILITY.PDF
NI-CDAQ-9181-SAFETY-ENVIRONMENTAL-AND-REGULATORY-INFORMATION.PDF
NI-CDAQ-9181-SPECIFICATIONS.PDF
CDAQ-9181-9184-9188-9191-FIRMWARE-FOSS-NOTICES-LOCATIONS-NOTE-TO-USERS.PDF
CDAQ-9181-CDAQ-9184-CDAQ-9188-CDAQ-9188XT-LETTER-OF-VOLATILITY.PDF
Driver Downloads for cDAQ-9181
OS Compatibility: …
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