The Tech Note, OBS-USR-TN001 R2, C3 Latching Solenoid Router Card, is available for printing and downloading. For somewhat larger illustrations of that Tech Note, see Technical Note — C3 Latching Solenoid Router Card — Installation.
The Latching Solenoid Router (LSR) Card is used to control up to four electrical solenoids. It can:
- Provide manual control via Observant Global and can be scheduled from within the Observant Scheduling App.
- Show the current state of the output.
- Provide history showing the Solenoid's on and off time.
Sparkline view of the actions of a Solenoid over a week's time span as seen in Observant Global:
The LSR card can be used in conjunction with a C3 Cell/900 Telemetry Module and High Current Cable. It is not compatible with a Solo or C3 Cell/UHF telemetry module.
The solenoids to be controlled can be either a 2- or 3-wire type and should meet the following electrical specifications:
Nominal supply voltage: 12 VDC
Maximum current draw: 3–4 A
Specific hardware that has been used successfully in Solenoid control applications includes:
- Hunter DCSOL.
- Irritrol/Richdel 205MT.
- AquaNet Plus.
Connection to the field unit
Refer to the wiring instructions accompanying the device and connect it to a field unit as described here: C3 Latching Solenoid Router Card — Installation.
Note that the LSR card needs the C3 unit's RS485 1 port available for correct operation, so any other sensors (such as weather station, soil probe, etc.) should be connected to the the RS485 2 port of the C3 unit.
Contact our Support Team to add the Latching Solenoid Solution to your portfolio.