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SDI12 Channel

An SDI-12 channel is available through any Wildeye cable types that contain the "S" code. 

Example: WILD-M-R-NACS-NACS

SDI-12 channels are designed to read environmental sensors that support the SDI-12 protocol standard. 

Sensors that support SDI-12 can measure soil moisture, temperature, humidity, wind, rain, sun, UV, and other agronomic and environmental parameters.

Multiple SDI12 sensors can be attached to a Wildeye - refer to Meters & Sensor Attachments for accessories required to attach multiple sensors. 

The Wildeye SDI-12 channel makes available a 12V "Switched Power Output" power source to power one or more SDI-12 sensors, according to the standard. 

Select the appropriate accessory to attach to your meter or sensor. 

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For detail specifications on the Wildeye SDI-12 channel, jump to SDI-12 Channel Details

 

Wildeye M12 "Field Connect" Wiring

M12 Field Connects are available in 3 different sizes to suit the thickness of the cable coming from your meter/sensor:

ACC-CON-M12-5POS-M-3  -  For meters/sensors with output cable thickness 3-5mm diameter

ACC-CON-M12-5POS-M-6  -  For meters/sensors with output cable thickness 5-7mm diameter

ACC-CON-M12-5POS-M-8  -  For meters/sensors with output cable thickness 8-10mm diameter

 

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Wildeye M12 "Bare Wire" Cable Wiring

Order part ACC-CAB-M12-M-5 "M12 Bare Wire Cable" for connecting to meter/sensors with terminal block connections.

 

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Standards Wildeye Pinouts: NACS, NCCS5, NCCS

Field Connect pinout for connecting to standard Wildeye cable options NACS, NCCS5 and NCCS.  For a complete list of cable type pinouts click here. 

Field Connect Wiring:

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ACC-CAB-M12-M-5 Wiring:

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SDI-12 Channel Details

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SDI-12 channel inputs are designed to read from SDI-12 comptabile sensors that are powered from the switched power output (SPO) source on the wildeye itself.

 

General Characteristics of the SDI-12 channel:

  • Multiple SDI-12 sensors can be attached to the Wildeye SDI-12 "master". 
  • All sensors will be simultaneously powered up by the Wildeye 12V SPO when it is time to read from the sensor
  • The 12V SPO can supply a maximum of 150mA at 12V to all attached sensors. 
  • Care must be taken to ensure that the total power draw from all attached sensors (including non-SDI12 sensors) does not exceed the maximum capacity of the Wildeye 12V SPO, otherwise it may cause sensors to fail to read correctly. 
  • Each attached SDI-12 sensors has an address in the range from 0 to 128, according to the SDI-12 standard. 
  • The default SDI-12 address is typically "0". If multiple sensors are connected, they must be set to different addresses otherwise they will conflict and the Wildeye will not be able to read them.
  • SDI-12 communication is digital UART communication at 1200 baud. 
  • SDI-12 sensors can provide multiple parameters with each read. 

Sensor Setup

Setting up an SDI12 sensor on your Wildeye is simple:

  • Check to see if your sensor has built-in support with the Wildeye EasyConfig tool. If your sensor is already supported, it is a simple case of choosing the sensor and selecting the SDI-12 address. 
  • If the sensor is not supported via EasyConfig, you can build your SDI-12 sensor setup using standard SDI-12 commands. For further details see here.