UM-0085-B09 DT80 Range User Manual Page 382
RG
SDI-12
• Supports SDI-12 protocol versions 1.0 through 1.3 (auto-sensing)
• Measure on Demand and Continuous Measurement modes
• Includes facility for directly interrogating sensors for diagnostic purposes
Generic Serial Sensor Channel
• Allows data to be logged from a wide range of smart sensors and data streams.
• Flexible poll string generation and response parsing
• Supports polled or unsolicited data
• Includes facility for directly interrogating sensors for diagnostic purposes
Data Manipulation and Logging
Calculated Channels
• Combine values from analog, digital and serial sensors using expressions involving variables and functions.
• Functions: An extensive range of arithmetic, trigonometric, relational, logical and statistical functions are
available.
Alarms
• Condition: high, low, within range and outside range, optional time specifier
• Actions: set digital outputs, transmit message, and execute any DT80 command.
Schedules
• Number of schedules: 11
• Schedule types: immediate, continuous, periodic, time of day/week, polled, digital/counter/serial event, variable
change
• Conditional schedule execution: digital state or variable
• Periodic schedule rates: 10ms to days; synchronised to time of day
Data Storage
• Internal memory capacity: 128MB or 2GB (upgradeable)
• Removable USB 1.1/2.0 full speed memory device (optional accessory)
• Data density: approx. 90,000 data points per megabyte.
Communication Interfaces
Ethernet Port
• Interface: 10BaseT (10Mbps)
• Protocol: TCP/IP
USB Port (not DT82)
• Interface: USB 1.1/2.0 full speed (virtual COM port)
• Protocols: ASCII command, TCP/IP (PPP), Modbus, Serial Sensor
Host RS232 Port (not DT8xM)
• Speed: 300 to 115200 baud (57600 default)
• Flow Control: Hardware (RTS/CTS), Software (XON/XOFF), None
• Handshake lines: DCD, DSR, DTR, RTS, CTS
• Modem support: auto-answer and dial out
• Protocols: ASCII Command, TCP/IP (PPP), Modbus, Serial Sensor
Serial Sensor Port (not DT81/ 82E)
• Interface: RS232, RS422, RS485
• Speed: 300 to 57,600 baud
• Flow Control: Hardware (RTS/CTS), Software (XON/XOFF), None
• Protocols: ASCII Command, TCP/IP (PPP), Modbus, Serial Sensor
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