XPERT
LOGGER without DISPLAY (Dark) & ANALOG-DIGITAL
I/0s
SPECIFICATIONS
Temperatures
-40°C
to +60°C Operating
Processor
486
Class processor @66 MHz
Memory
4
MB Flash Disk for log & application
Upgrades expandable using optional
PCMCIA card to 1 Gigabyte 4MB Flash
Operating System 8 MB System RAM
Battery
Backup
Not
needed for log because memory is flash.
Used for clock only. Lithium Battery:
2 years min.
Watchdog
Timer
System
reset upon microprocessor failure
Sample
Intervals
Multiple
sample intervals can be set at increments
of 1 sec. to 24 hr., in 1 second increments
Data
Retrieval
Through
RS-232 Ports and optional PCMCIA card
Serial
Sensor
Using
one of the comms ports (Qty 3 RS-232)
available for sensors SDI-12: Dedicated
SDI-12 V1.3
Communications
up to 4 Comms
Up
to four (4) of the following: Satellite
Radio, LOS Radio, Telephone w/ Modem & Speech
Synthesis, Direct Connect MODBUS Communications
Protocol via LOS radio, CDPD modem
INTERNET connection or dial up telephone
Power
Supply
No
internal battery or charger. External
6.5 aH @ 12V, operates Xpert for 45
days at 15 minutes sampling.
Power
Consumption
Quiescent:
2 mA Typical Avg: 5 mA @ 15 - minute
intervals of shaft encoder sample
Digital
I/O
Add
as needed through I2C expansion modules.
Digital I/O module adds up to 8 additional digital I/O lines.
Analog
I/O
Add
as needed through I2C expansion modules.
Analog I/O module adds up to 6 additional
analog inputs.
Digital
I/O Module
Digital
Inputs & Outputs
8
digital I/O lines supporting CMOS level
inputs. Under software control, 6 of
the 8 can be configured as outputs & all
8 can be configured as inputs. The
inputs can be configured to support
shaft encoders, tipping buckets, counters, & binary
inputs.
Sensor
Excitation
Software
control of switched 12 VDC battery power.
250mA max load.
Shaft
Encoders
Quadrature
output encoder (4 max) uses 2 digital
inputs each. 8 bit gray code encoder
(1 max) uses 8 digital inputs.
Tipping
Bucket Rain Gages
Input:
100 Kohm pullup for switch closure,
software debounced. Uses 1 digital
input each (6 max).
Counter Inputs: Input frequency - 1 kHz max. 32 bit resolution.
Uses 1 digital input each (8 max).
Switchable
Thresholds
Software
configurable 0.03 V threshold with
hystersis. (2 inputs max) For use with
low level output devices such as the
5600-0200 wind sensor without amplifier.
Digital
Outputs
Open
drain with 100K pull-up to +5V. Switch
on impedance 110 Ohms. 70 mA maximum
sink current. Outputs can be externally
pulled up to the switched battery voltage
(12V nominal). When output is externally
pulled above 5V, internal pull-up is
automatically disabled.
Analog
I/O Module
Analog
Inputs
6 inputs configurable
in various combinations of single ended
an differential ranging from 6 single
ended to 3 differential.
Resolution
22
bits
Input
Range
-5V
to +5V
WARNING & ALERT
MESSAGING
Audible & Text Message
by Cell Phone
Pager
Text Message
Warning
Sirens
PDA,
Laptop or Desktop Computer Messages
ORDERING
QUESTIONS?
Email or call SALES at 703-406-2800
