e CR1000 provides precision measurement capabilities in a rugged, battery-operated package. It consists of a measurement and control module and a
wiring panel. Standard operating range is -25° to +50°C; an optional extended range of -55° to +85°C is available.
Input/Output Terminals—
Individually configured
for ratiometric resistive
bridge, thermocouple,
switch closure, high fre-
quency pulse, low-level ac,
serial sensors, and more.
CS I/O Port—connects with
AC-powered PCs and com-
munication peripherals such
as phone, RF, short-haul, and
multidrop modems.
RS-232—provides
a 9-pin DCE port
for connecting a
battery-powered
laptop, serial
sensors or RS-232
modems.
Removable Power Terminal—simplies
connection to external power supply.
{
Peripheral Port—allows data to be
stored on a CompactFlash card and/or
supports Ethernet communications.
Benets and Features
4 MB memory*
Program execution rate of up to 100 Hz
CS I/O and RS-232 serial ports
13-bit analog to digital conversions
16-bit H8S Renesas Microcontroller with 32-bit internal CPU
architecture
Temperature compensated real-time clock
Background system calibration for accurate measurements over
time and temperature changes
Single DAC used for excitation and measurements to give ratio
metric measurements
Gas Discharge Tube (GDT) protected inputs
Battery-backed SRAM memory and clock ensuring data, programs,
and accurate time are maintained while the CR1000 is discon-
nected from its main power source
Serial communications with serial sensors and devices supported
via I/O port pairs
PakBus®, Modbus, DNP3, TCP/IP, FTP, and SMTP protocols supported
Measurement and Control Module
The module measures sensors, drives direct communications and
telecommunications, reduces data, controls external devices, and
stores data and programs in on-board, non-volatile storage. The
electronics are RF shielded and glitch protected by the sealed, stain-
less steel canister. A battery-backed clock assures accurate time-
keeping. The module can simultaneously provide measurement and
communication functions. The on-board, BASIC-like programming
language supports data processing and analysis routines.
Wiring Panel
The CR1000WP is a black, anodized aluminum wiring panel that is
compatible with all CR1000 modules. The wiring panel includes
switchable 12 V, redistributed analog grounds (dispersed among
analog channels rather than grouped), unpluggable terminal block
for 12 V connections, gas-tube spark gaps, and 12 V supply on pin 8
to power our COM-series phone modems and other peripherals. The
control module easily disconnects from the wiring panel allowing
eld replacement without rewiring the sensors. A description of the
wiring panel’s input/output channels follows.
CR1000 Measurement and Control Datalogger
*Originally, the standard CR1000 had 2 MB of data/program storage, and an optional version, the CR1000-4M, had 4 MB of memory. In September 2007,
the standard CR1000 started having 4 MB of memory, making the CR1000-4M obsolete. Dataloggers that have a module with a serial number greater
than or equal to 11832 will have a 4 MB memory. e 4 MB dataloggers will also have a sticker on the canister stating “4M Memory”.
(8 pages)
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