Your BaseStation irrigation controller has powerful tools for managing and monitoring flow. When your controller is connected to BaseManager and your devices have been configured, you can set up the flow features from BaseManager.
Setting up flow sensor
First we will need to assign the flow bicoder to the controller.
Assigning Flow Meters
1. Make sure that the irrigation controller that you want to assign flow meters to is displayed in the BaseManager footer. To select a different controller, click the Menu icon
in the upper-left corner of the BaseManager page, and then click Sites and Controllers. Continue drilling down until you can select the desired controller.
2. Make sure the flow meters that you want to assign are connected to the two-wire path of the irrigation controller displayed in the BaseManager footer.
3. Click the Devices tab, and then in the menu that displays, click Flow Meters. The main Flow Meters page displays.
4. Click Assign Flow Meters. BaseManager searches for the flow meters that are connected to your controller.
5. In the Serial Number column of the flow meter ID row, click the drop-down arrow and then click the serial number of the flow meter that you want to assign.
6. Click in the Description column and type a description that makes the flow meter easy to identify.
7. Repeat steps 5 and 6 until you have assigned all flow meters.
8. Click Save in the BaseManager footer. The main Flow Meters page displays. To have the flow meter that you just added display in the list, click Refresh on the upper-right side of the page.
Now that the controller is aware of the bicoder we need to add it to the control point so it will be monitored.
Setting Up a Control Point (BaseStation 3200)
A control point is a hydraulic component in BaseStation 3200 irrigation controllers that collects data from assigned devices, and then enables the irrigation system to act on that data.
1. Make sure that the irrigation controller you want to work with is displayed in the BaseManager footer. To select a different controller, click the "Menu" icon
in the upper-left corner of the BaseManager page, and then click "Sites and Controllers". Continue drilling down until you can select the desired controller.
2. Click the "Flow Setup" tab, and then click "Control Points" in the menu that displays.
3. In the Control Points list, click in the row for control point that you want to assign. The "Control Points Settings" page displays. If a check mark displays in the "Managed by FlowStation" box in the upper-right corner, you cannot make changes to the Control Point Settings in BaseManager. Settings for control point that are managed by the FlowStation can only be changed on the FlowStation, in the FlowStation App, or on their respective BaseStation 3200 irrigation controllers.
4. Click the "Edit" button in the lower-right of the BaseManager footer. The fields become available for editing.
5. In the "Description" field, type a name that makes this control point easy to identify.
6. In the "Enabled" field, click in the box to add a check mark, which indicates that the control point can be used. If you do not want the control point to be used, click in the box to remove the check mark.
7. In the "Mainline Assignment" field, click the drop-down arrow and select the mainline that you want the control point to be assigned to.
8. In the "Design Flow GPM" field, type the specified gallons per minute (GPM) for the control point .
9. In the "High Flow Limit" field, type the maximum amount of flow in gallons per minute.
10. Select the "Shutdown" check box if you want zones (valves) assigned to this control point’s mainline to be stopped and corresponding MVs shut off when the flow rate exceeds the limit.
11. In the "High Pressure Limit" field, type the maximum amount of pressure in PSI.
12. Select the "Shutdown" check box if you want zones (valves) assigned to this control point’s mainline to be stopped and corresponding MVs shut off when the pressure reading exceeds the limit.
13. In the "Low Pressure Limit" field, type the minimum amount of pressure in PSI.
14. Select the "Shutdown" check box if you want zones (valves) assigned to this control point’s mainline to be stopped and corresponding MVs shut off when the pressure reading falls below the limit.
15. In the "Unscheduled Flow Limit" field, type the maximum amount of unscheduled flow in gallons per minute.
16. Select the "Shutdown" check box if you want the associated MVs to turn off when an unscheduled flow exceeds this limit.
17. In the "Devices" section, go to the field for the device that you want to assign to the control point. Click the drop-down arrow in the field, and then select the correct device. Complete any additional settings, and then select the "Enabled" check box. Complete the additional fields for the device.
18. When you finish making changes to the Mainline settings, click the "Save" button in the BaseManager footer.
Now the flow sensor is assigned and programmed.
Setting up alert thresholds
Flow Variance & Limits
Dan answers a question out of Boston on flow limits and flow variance.
Here's the alert subscriptions process: Configuring Alerts
I would like to receive a notification from the controller when a program goes to run and there is no flow. How do I configure that in BaseManager?
In BaseManager → Flow Setup → Control Points
- Design Flow should be accurate based on the size of the master valve and flow sensor assigned to the control point.
- The High Flow Limit should be set to 16.7% more than the Design Flow.
- If “Shutdown” is enabled and a High Flow Limit issue occurs, the controller and zone valves will shut down.
- Mainline breaks, the control point is what allows the system to shut off flow through the mainline. If “Shutdown” is not enabled there will be an alert.

- Mainlines → Flow Setup → Edit.
- Design Flow is based on the size of the pipe.
- If Manage by Flowis enabled, the controller will choose which zones to run based on the total GPM capacity.
- Ex: it may run zones totaling 120 GPM to maximize the system capacity making it a great way to manage your water time and help your pump.
Flow Variance Limit
- Ex. If you set a straight flow variance limit at 20%, any time zones are running, the system checks if flow is within 20% of the expected value. So, if it expects 140 GPM or 40 GPM, and actual flow is 20% over or under, it sends an alert. If Shutdown is enabled, the controller will also stop watering.
- Ex: if you're running 260 GPM, the system compares that to the expected total from the running zones. Variance is always based on the expected flow, not the actual.

- The system may have a combination of zones, starting with 20 GPM drip zone, which could be all it can run, later on it might find 120 GPM or a mix of 100 GPM and 210 GPM zones.
- The % added should have the % variance decrease as the expected flow increases
- If controller is expecting 20 GPM (a really low flow), only allowing 30% variance before sending an alert.
- When dealing with a higher expected flow, like a large zone with 300 GPM, it might only allow 5% tolerance. Giving a narrow window, where a lot of damage can happen.
- Important to enable the “Shutdown” for high flow because there could be water running through a zone than expected.
- However, if someone shuts down our water source, we want to enable “Shutdown” for low flow, so we don’t have to run zones against that (alert and shutdown appear)
Common to have only an alert on high flow, because there’s a likelihood of something broken (sending an alert and shut down)
- However, if someone shuts down our water source, we want to enable “Shutdown” for low flow, so we don’t have to run zones against that (alert and shutdown appear)