Frac Pit Transfer Station
Developed by @patrickjmcd, @Henry-Pump
Definitions
Station: the transfer station, The full system
System: an individual transfer system consisting of a combination of optional level transmitter, charge pump, intake pressure transmitter, optional discharge pressure transmitter, booster pump, and optional system flow transmitter.
Operation
Control Modes
Auto Mode
In auto mode, the system will react to changing environmental conditions to maintain either a constant Discharge Pressure or a constant Flow Rate.
Manual Mode
In manual mode, each system can be started or stopped at will and commanded to run at specific frequencies
Settings
Auto Mode Priority
In auto mode, the Auto Mode Priority is the order in which the specific systems will initiate based on the Get Help Frequency setpoints.
Get Help Frequwncy
In auto mode, the Get Help Frequency is the motor frequency at which the system will activate the next system to assist with maintaining the flow or pressure setpoint.
Takeover Frequency
In auto mode, the Takeover Frequency is the motor frequency at which the current system will shut down to allow the previous system to attempt to regulate the discharge pressure or flow rate the Transfer Station.
Use System Flowmeter
Enables the use of the Overall Flowmeter or the use of a system-specific flowmeter.
Use System Level Transmitter
Enables the use of the Station Level Transmitter of the use of a system-specific level transmitter.
Has Booster Pump Discharge Pressure Transmitter
Enables the use of a system-specific Booster Pump Discharge Transmitter
Wiring
| Slot | Channel | Device |
|---|---|---|
| 2 | 0 | LT01/LT11 Pond Level |
| 2 | 1 | PT11 Intake Pressure |
| 2 | 2 | PT12 Discharge Pressure |
| 2 | 3 | FT11 System Output |
| 3 | 0 | LT21 Pond Level |
| 3 | 1 | PT21 Intake Pressure |
| 3 | 2 | PT22 Discharge Pressure |
| 3 | 3 | FT21 System Output |
| 4 | 0 | LT31 Pond Level |
| 4 | 1 | PT31 Intake Pressure |
| 4 | 2 | PT32 Discharge Pressure |
| 4 | 3 | FT31 System Output |
Networking
IP Addresses
| Device | IP Address |
|---|---|
| PLC (L19) | 192.168.1.10 |
| MC11 - System 1 Charge Pump | 192.168.1.11 |
| MC21 - System 2 Charge Pump | 192.168.1.12 |
| MC31 - System 3 Charge Pump | 192.168.1.13 |
| MC12 - System 1 Booster Pump | 192.168.1.14 |
| MC22 - System 2 Booster Pump | 192.168.1.15 |
| MC32 - System 3 Booster Pump | 192.168.1.16 |
| HMI1 | 192.168.1.21 |
| HMI2 | 192.168.1.22 |
| HMI3 | 192.168.1.23 |