Campbell SAT ARGOS Manual do Utilizador Página 290

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ZENO
®
-3200 USER MANUAL
Coastal Environmental Systems (206) 682-6048 Page C-14
Notes on Connection
The SDI-12 data line uses negative logic 0 to 5V level signals. This is obtained from the inverting data
line of the RS-485 transceiver provided by the ZENO
®
-3200. The following connection is valid for
ZENO systems with serial numbers above 310. (For older ZENO systems, you may need to swap the A
and B connections).
9. YSI 44034 THERMISTOR (AIR AND OTHER TEMPERATURE READINGS)
SENSOR MENU
Settings for Temperature
ITEM DATA
COMMAND ENTERED
Item 1: Sensor Type code = 2 (18-bit Single Ended A to D)
c1/2
Item 2: Sensor Name = TEMP
c2/TEMP
Item 3: Sensor Input Channel = 2+
c3/2+
Item 4: Analog Channel Gain = 1
c4/1
Item 5: Analog Channel Attenuation = 4
c5/4
Item 6: Switched Power code = 0 (NO SWITCHED POWER) DEFAULT
Item 7: Sensor Excitation Voltage = 2 (EXC = 2.50 VDC)
c7/2
Item 8: Switched Excitation Return = 0 DEFAULT
Item 9: Sensor Warm up Time = 0 DEFAULT
Item 10: Sensor Sample Count = 1 DEFAULT
Item 11: Maximum Sensor Readings = 0 DEFAULT
Item 12: Sensor Timing Loop = 2
c12/2
Item 13: Conversion Coefficient A = 0 DEFAULT
Item 14: Conversion Coefficient B = 0.4
c14/0.4
Item 15: Conversion Coefficient C = 0 DEFAULT
DEFAULT = Default value, it is not necessary to enter a command for this item.
PROCESS MENU
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