The document describes a base unit used for high level shutdown of salt water tanks. It uses digital and discrete transmitters to monitor tank levels and control valves. When tank levels reach a high point, interposing relays activate solenoid coils to close normally open valves and open normally closed valves to prevent overfilling. The system is powered by solar panels and batteries.

1. Base Unit High Level Shutdown
Digital Level Discrete Valve Control (Solar Power)
OleumTech Transmitter Transmitter
High Level
Omni
Antenna
Valve
Solenoid Coil Normal Open/Close
Base Unit DO1
Normally Closed
D01 D02 Tank High Level
Base Unit DO2
Normally Closed
Interposing Relay Coil
12 VDC
Wago 788-311
Battery
6 Amp Contact Solar Panel
Valve Solenoid
Salt Water 12
VDC
Tanks Batte
ry
Truck Salt Water off
Pump Suction loading bay
Pressure
ESD Push
Button
Flow
Analyzer Discrete
Transmitter
Base Unit Pump
Control Push
Omni Button
Antenna
D01 D02
2.5 Amp Fuse
Salt Water Injection
Well Head AutoPILOT PRO
110VAC to
12VDC Hard Wire Omni
DH2
Power Supply Tubing Antenna
Low
Flow Line Pressure
110 VAC Suction
Pressure
Pressure
10 Amp AC Contact Swtch
Motor
Serial Modbus RTU
Start / Stop Salt Water
Relay Pump
Motor Start / Stop
Casing
Coil
Normal Start / Stop Pressure
Base Unit DO1
Normally Closed Motor
Low Suction Pressure
Base Unit DO2
AC Input
Normally Closed
12 VDC
Battery