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Campbell CR1000 User Manual

Campbell CR1000
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Section 5. System Overview
SDI-12 devices: C
Synchronous Devices for Measurement (SDM): C
Smart sensors: C terminals, RS-232 port, and CS I/O port with the
appropriate interface.
Modbus or DNP3 network: RS-232 port and CS I/O port with the appropriate
interface
Other serial I/O devices: C terminals, RS-232 port, and CS I/O port with the
appropriate interface
5.1.6.1 SDI-12 Sensor Support Overview
Related Topics:
SDI-12 Sensor Support Overview (p. 72)
SDI-12 Sensor Support Details (p. 363)
Serial I/O: SDI-12 Sensor Support Programming Resource (p. 267)
SDI-12 Sensor Support Instructions (p. 555)
SDI-12 is a smart-sensor protocol that uses one SDI-12 port and is powered by 12
Vdc. It is fully supported by the CR1000 datalogger. Refer to the chart CR1000
Terminal Definitions
(p. 76), which indicates C terminals that can be configured for
SDI-12 input. For more information about SDI-12 support, see section Serial I/O:
SDI-12 Sensor Support Details
(p. 267).
5.1.6.2 RS-232 Overview
The CR1000 has 6 ports available for RS-232 input as shown in figure Terminals
Configurable for RS-232 Input
(p. 73).
Note With the correct adapter, the CS I/O port can often be used as an RS-232
I/O port.
As indicated in figure Use of RS-232 and Digital I/O when Reading RS-232
Devices
(p. 73), RS-232 sensors can often be connected to C terminal pairs
configured for serial I/O, to the RS-232 port, or to the CS I/O port with the proper
adapter. Ports can be set up for baud rate, parity, stop-bit, and so forth as
described in CRBasic Editor Help.
72

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Campbell CR1000 Specifications

General IconGeneral
Power Requirements9.6 to 16 VDC
Data Logger Operating SystemCRBasic
Memory4 MB
Analog Inputs16 single-ended or 8 differential
Analog Input Resolution13 bits
Analog Input Range+/-2.5V
Digital I/O8
Pulse Counters2
Communication PortsRS-232
Operating Temperature-25°C to +50°C
Pulse Channels4

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