Specifications

XARTU/5™ Manual Copyright© 2013 Eagle Research Corporation
®
REV 11.1.11 Page | 5
TECHNICAL SPECIFICATIONS
The table below lists the technical specifications for the XARTU/5.
Features
Description
Input Power
9-30 VDC
5(Vcc)Volt
Supply
5 VDC @ 500mA max, high efficiency switching supply
Analog Supplies
Optional 24 VDC isolated transmitter loop power, 375 mA max
output
Power
Monitoring
Supply voltage monitoring through a/d with low supply voltage
interrupt
Backup Battery
3.6 VDC lithium backup battery
10 years typical backup of database and time/date during normal
use
low backup battery voltage detection
Processor
Phillips P51XAS3 high performance 16-bit microcontroller
Executes at 22.1184 MHz
Memory
512K x 16 remotely-programmable FLASH program memory
512K x 16 battery-backed RAM data memory
Real-time Clock
Battery-backed, quartz crystal controlled
+/- 1 sec/day typical accuracy
Programmable time scheduled interrupt capability
Pulse Inputs
Eight pulse inputs
Software programmable for Form A or C
Software programmable for high or low speed
Each counter is a six-digit (0-999999) hardware counter with
programmable interrupt support
Precision pulse width measurement is supported using the
programmable counter array module in the P51XAS3
microcontroller
Can be used for pulse accumulation, and for more complex
applications such as card readers
Digital I/O
Thirty-two memory-mapped digital i/o lines
Programmable in groups of eight as input or output. Digital
outputs can be configured as simple discrete outputs, or as
precisely-timed pulse outputs.
Optional expansion cards can accommodate additional digital
requirements.
Analog Inputs
Sixteen-channel, single-ended with floating common. 16-bit
resolution, max +/- 3 LSB integral linearity error; Software
calibrated
Nominal input range 0-5 VDC with +/- 4% over-range
measurable
Optional 8-channel differential configuration possible
Input impedance greater than 100 Meg