Network-Based Data Acquisition Unit (nDAU) Selection Guide

  nDAU-2008 nDAU-2010 nDAU-2012 nDAU-2016
Chassis type Fixed capacity full-size chassis.
Size 4.97" W x 5.4" H x 8.62" L 4.97" W x 5.4" H x 9.96" L 4.97" W x 5.4" H x 11.3" L 4.97" W x 5.4" H x 13.98" L
I/O card capacity 8 10 12 16
I/O card functions available Many I/O cards are available, including analog conditioning, digital bi-level, temperature (for example RTD and thermocouple), pressure, LVDT, RVDT, synchro/resolver, video, voice, frequency/period/totalizer, 1553, ARINC, CAN bus, PCM, ASB bus, acceleration, bridge, power measurements and RMS.
Maximum data throughput Up to 1.25 MSPS (2.5 MBps)
Overhead card name and description The PPC-520-1, which provides IEEE 1588 time conversion to internal-bus IRIG time.
Time-stamp method IEEE 1588 slave mode time support. Accurate within < 150 nsec between nodes connected to the same switch.
Interface ports

Transformer-coupled 10/100Base-T Ethernet for:

- data packet output to the network
- IEEE 1588 time synchronization
- device configuration, SNMP messaging, and status and control.

One RS-232/422 general-purpose, six general-purpose differential I/O and two optically-isolated
general-purpose output ports
Multicast address Up to 256 addresses based on user-programmable rules.
Environmental

Operating temperature -40° C to +85° C (for extended range of -55° C to +105° C contact TTC)
Random vibration 15 grms, 20 to 2,000 Hz, 10 minutes, any axis
Acceleration 25 g indefinite duration , any axis
Shock 15 g, half-sine, 11 mS, 6 shocks, any axis
Humidity 5-95% RH, non-condensing
EMI/EMC per MIL-STD-461
Altitude 0 to 70,000 ft. (for altitude above 70,000 ft., contact TTC)
Power 28 DC +/- 8 V