National Instruments 786473-01 cDAQ-9185 CompactDAQ Ethernet Chassis

Analog Input
Input FIFO size: 127 samples per slot
Maximum sample rate: Determined by the C Series module or modules
Timing accuracy: 50 ppm of sample rate
Internal base clocks: 80 MHz, 20 MHz, 13.1072 MHz, 12.8 MHz, 10 MHz, 100 kHz
Number of channels supported: Determined by the C Series module or modules

Analog Output
Number of channels supported

Hardware-timed task
Onboard regeneration: 16
Non-regeneration: Determined by the C Series module or modules
Non-hardware-timed task: Determined by the C Series module or modules

Maximum update rate
Onboard regeneration: 1.6 MS/s (multi-channel, aggregate)
Non-regeneration: Determined by the C Series module or modules
Timing accuracy: 50 ppm of sample rate
Internal base clocks: 80 MHz, 20 MHz, 13.1072 MHz, 12.8 MHz, 10 MHz, 100 kHz

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

Voltage
Input: -20 V to 25 V
Output: -15 V to 20 V

Network Interface
Network protocols: TCP/IP, UDP
Network ports used: HTTP:80 (configuration only), TCP:3580; UDP:5353 (configuration only), TCP:5353 (configuration only); TCP:31415; UDP:7865 (configuration only), UDP:8473 (configuration only)
Network IP configuration: DHCP + Link-Local, DHCP, Static, Link-Local
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
Default MTU size: 1500 bytes

Ethernet
Number of ports: 2 ports, internally switched
Network interface: 1000 Base-TX, full-duplex; 1000 Base-TX, half-duplex; 100 Base-TX, full-duplex; 100 Base-TX, half-duplex; 10 Base-T, full-duplex; 10 Base-T, half-duplex
Communication rates: 10/100/1000 Mbps, auto-negotiated
Maximum cabling distance: 100 m/segment
Maximum hops per line: 15

Timing and Synchronization
Protocol: IEEE 802.1AS for network synchronization over 1000 Base-TX, full-duplex
Network synchronization accuracy: <1 μs

Network synchronization accuracy with optimized configuration: <100 ns