NI 9144 8-Slot EtherCAT Slave Chassis for C Series I/O Modules

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  • High-performance deterministic distributed I/O over EtherCAT
  • Modular slave with 8 slots for C Series I/O modules
  • Integrated 2M gate FPGA for custom timing, inline processing, and closed-loop control
  • 2 Ethernet ports for daisy chaining additional EtherCAT slaves
  • -40 to 70 °C operating temperature, 50 g shock, 5 g vibration
  • Configure Complete CompactRIO System
  • Data Sheet
The NI 9144 is an 8-slot rugged EtherCAT slave chassis for adding deterministic, distributed I/O to NI EtherCAT master controllers. With standard CAT 5 Ethernet cabling, it communicates deterministically with any NI CompactRIO, real-time PXI, or real-time industrial controller that has two Ethernet ports. You can daisy chain multiple NI 9144 slave chassis from the master controller to expand time-critical applications to high-channel counts while maintaining hard determinism with minimal processor resources.

This EtherCAT slave chassis can be programmed with the NI LabVIEW Real-Time Module for fast and easy expansion of your real-time system. The NI 9144 slave also has a 2M gate Xilinx Spartan field-programmable gate array (FPGA) that is programmable with the LabVIEW FPGA Module, giving you high-speed and customizable I/O timing, inline processing, and closed-loop control. To see a full list of compatible NI C Series I/O modules, visit and enter cseries.

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Specifications Documents

  • Data Sheet

Specifications Summary

Product Name NI 9144
Form Factor CompactRIO
Product Type Chassis
Part Number 780438-01
Operating System/Target Real-Time
CE Compliance Yes
Reconfigurable FPGA
FPGA Spartan-3
Gates 2000000
Number of Slots 8
Power Consumption 20 W
Physical Specifications
Length 28.4 cm
Width 8.81 cm
Height 5.89 cm
Weight 906 gram
Minimum Operating Temperature -40 °C
Maximum Operating Temperature 70 °C
Maximum Altitude 2 km
Part Number Description Est Ship  US Dollars Qty
NI EtherCAT Slave Devices
780438-01NI 9144 8-slot Deterministic Ethernet Chassis1 - 3$ 999.00
780438-02NI 9144 8-slot Deterministic Ethernet Chassis, Conformal CoatCall$ 1,648.00
781093-01NI PS-15 Power Supply, 24 VDC, 5 A, 100-120/200-240 VAC Input1 - 2$ 221.00
196938-01NI 9978 4-pos tin power supply plugs (Qty 5)5 - 10$ 21.00
781989-01NI Rack Mount Kit for cDAQ/cRIO12 - 20$ 453.00
196917-01NI 9977 C Series Filler Module for Empty Slot5 - 10$ 31.00

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Additional Product Information

  • Data Sheet