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Assembly and connection manual | Agrónic 2500
Options | SDI-12 expansion option and 4 analog inputs
5.4. SDI-12 EXPANSION OPTION AND 4 ANALOG INPUTS
Only with the PLUS version. This option allows you to
connect up to 4 4-20 mA sensors, on terminals A2-1 to
A2-4 and several multi-sensors that communicate with
the SDI-12 bus, on terminal SDI-12.
There is a complete list of the multi-sensors in the
manual ‘2246 Manual Agrónic option SDI12’.
In the built-in format, the connections are located on
the back and in the box format, there are two connec-
This option has an installation manual ‘2196 SDI12 option installation + 4 Agrónic 2500 analog inputs’.
tors on the right side of the unit.
IMPORTANT The sensor cables and the SDI-12 must be
shielded and routed separately from AC cables.
Common, 0 V 0 V Brown
Multi-sensor power supply, +12 Vdc + 12 Vdc Blue
Multi-sensor digital output SDI-12 Yellow / Green
SDI-12 BUS Built-in model terminals Box model cable colors
Common, 0 V 0 V White
Sensor supply, +12 Vdc + 12 Vdc Brown
Sensor A2-1 A2-1 Green
Sensor A2-2 A2-2 Yellow
Sensor A2-3 A2-3 Grey
Sensor A2-4 A2-4 Pink
ANALOG SENSORS Built-in model terminals Box model cable colors
Example of 4-20 mA and SDI-12 sensors