Section 7. Installation
SlowSequence
Do
SDI12SensorSetup(10,1,0,1)
Delay(1,500,mSec)
SDI12SensorResponse(SDI_Source)
Loop
EndSequence
SDI-12 Sensor Configuration CRBasic Example — Results
Measurement
Command from
SDI-12 Recorder
Source Variables
Accessed from the
CR800 acting as a
SDI-12 Sensor
Contents of
Source Variables
0M!
Source(1), Source(2)
Temperature °C, battery
voltage
0M0!
Same as 0M!
0M1!
Source(3), Source(4)
Temperature °F, battery
voltage
0M2!
Source(5), Source(6)
Temperature °C, battery
mV
0M3!
Source(7), Source(8)
Temperature °F, battery
mV
0M4!
Source(9), Source(10)
Serial number, lithium
battery voltage
7.7.14.4 SDI-12 Power Considerations
When a command is sent by the CR800 to an SDI-12 probe, all probes on the
same SDI-12 port will wake up. However, only the probe addressed by the
datalogger will respond. All other probes will remain active until the timeout
period expires.
Example:
Probe: Water Content
Power Usage:
• Quiescent: 0.25 mA
• Measurement: 120 mA
• Measurement time: 15 s
To Next Page
Loading...
