Shared Flow Controller Specification
Table of Contents
PART 1 - Shared Flow Controller Software .............................................. 2
1.1
Product Specification.................................................................................................................. 2
1.2
Configuration.............................................................................................................................. 2
1.3
Reports ....................................................................................................................................... 3
1.4
System Backups ......................................................................................................................... 3
1.5
Communication Requirements ................................................................................................... 3
PART 2 - Irrigation Controller Features for Shared Flow ...................... 4
2.1
Shared Flow Decoder ................................................................................................................. 4
2.2
Compatible Irrigation Controller – Operating Features for Shared Flow ................................... 4
2.3
Compatible Irrigation Controller – Programmable Features for Shared Flow ........................... 4
PART 3 - Hardware ...................................................................................... 5
3.1
Display ....................................................................................................................................... 5
3.2
Power Specifications .................................................................................................................. 5
3.3
Surge Protection ......................................................................................................................... 5
3.4
Environmental Specifications ..................................................................................................... 5
PART 4 - Shared Flow Controller Enclosures ........................................... 5
4.1
The shared flow controller shall have the following enclosure options: .................................... 5
4.2
Shared Flow Controller Add-On Module ................................................................................... 6
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PART 1 - Shared Flow Controller Software
1.1
Product Specification
A.
Each shared flow controller shall be able to:
1.
Share water resources with as many as 30 compatible irrigation controllers
2.
The irrigation controllers can share up to 20 separate points of connection (POC)
3.
Each point of connection can be assigned to one of 20 shared mainlines
B.
The shared flow controller shall display on-screen help.
C.
The operator shall be able to establish 3 levels of security for users of the shared flow
controller: Operator, Programmer, and Administrator.
1.2
Configuration
A.
The shared flow controller shall be capable of assigning each POC to one of the
mainlines.
1.
2.
B.
The shared flow controller shall support a configurable design flow (maximum flow)
for each mainline on the shared flow controller.
1.
C.
A mainline can have all 20 POCs assigned to it.
A POC can only be assigned to one mainline
The flow shall be dynamically allocated to the controllers.
The shared flow controller shall enable the user to set the number of concurrent zones
for the mainline.
1.
The zones shall be dynamically allocated to the controllers.
D.
The shared flow controller shall support a priority setting to control how water is
allocated to controllers.
1.
The shared flow controller uses a priority scale of 1 – 10, where 1 is the highest
priority.
E.
The shared flow controller shall enable the user to set the fill time for a mainline.
F.
The shared flow controller shall be capable of assigning any program from any
controller to one of the 20 mainlines.
1.
G.
A program can be assigned to only one mainline.
The shared flow controller shall be capable of assigning up to 16 booster pumps to
programs.
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1.3
Reports
A.
The shared flow controller shall have the ability to report:
1.
Irrigation Controller Status
a.
b.
2.
Program Status
a.
b.
c.
3.
Displays the status of each POC
Displays the actual flow
Displays the total usage
Mainline Status
a.
b.
c.
d.
e.
1.4
Displays the status of any booster pumps configured in the shared flow
controller
Point of Connection Status
a.
b.
c.
5.
Displays the status of the programs assigned to the shared flow controller
Displays the amount of flow requested by the program
Displays the number of concurrent zones requested by the program
Booster Pump Status
a.
4.
Displays the status of the connection between the shared flow controller
and the irrigation controller
Displays the requested flow and concurrent zones for the irrigation
controller
Displays the status of each mainline
Displays the actual flow
Displays the total usage
Displays the assigned flow
Displays the number of concurrent zones assigned to the mainline
System Backups
A.
The shared flow controller shall be able to export all data to a USB flash drive.
B.
The shared flow controller shall have the ability to load all programming information
directly from a USB flash drive.
C.
All programming shall be saved in non-volatile memory.
D.
The shared flow controller shall save the current running state to non-volatile memory
every 10 minutes.
1.5
Communication Requirements
A.
The shared flow controller shall require a static IP address on the network, and each
irrigation controller in the shared flow group shall require an IP address on the network.
B.
In the shared flow group, the irrigation controller shall be capable of using a static IP
address or it can operate in DHCP mode.
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C.
Each irrigation controller shall be assigned to a shared flow controller by programming
the IP address of the shared flow controller into the irrigation controller.
D.
Where an existing network is not available, a radio network can be set up using
Ethernet radios or Wi-Fi communication modules.
1.
Access to the Internet is not required.
PART 2 - Irrigation Controller Features for Shared Flow
2.1
Shared Flow Decoder
A.
The compatible irrigation controller must be upgraded to share water resources with the
addition of a shared flow decoder.
1.
The shared flow decoder connects directly to the two-wire path and enables the
shared flow features in the irrigation controller.
2.
Each irrigation controller that is part of the shared flow group must have a shared
flow decoder on its two-wire path.
Compatible Irrigation Controller – Operating Features for Shared Flow
2.2
A.
When a start condition is met for any one of the irrigation controller’s shared programs,
the irrigation controller shall request water from the shared flow controller.
1.
If the shared flow controller determines there is adequate water available, it will
allocate the water to the requesting irrigation controller’s program.
2.
If water is not available, the program will wait until the shared flow controller
allocates water before it begins.
B.
If a shared POC has a high flow shutdown event, the irrigation controller shall shut
down the POC and notify the shared flow controller immediately.
C.
If a configuration change is made to the irrigation controller, the change shall be sent to
the shared flow controller.
D.
The irrigation controller shall use the priority setting for shared programs to determine
the order in which water is requested from the shared flow controller.
E.
When a POC is assigned to the shared flow controller, it shall maintain all the settings
that were assigned on the irrigation controller except priority and rationing.
F.
Booster pumps that are configured on the irrigation controller and assigned to the
shared flow controller shall be started when water is used from the shared POC.
Compatible Irrigation Controller – Programmable Features for Shared Flow
2.3
A.
The irrigation controller shall be capable of assigning each program in the controller to
either a local mainline or to the shared flow controller.
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1.
B.
Programs on local mainlines shall run independently from those assigned to the
shared flow controller.
Users shall be able to configure a shared program in the irrigation controller with
normal program settings, including zones, start times, start days, water windows, and
other start/stop/pause conditions.
PART 3 - Hardware
3.1
Display
A.
3.2
The shared flow controller display shall have a high-contrast 3.25-inch (8.25 cm)
backlit mono LCD screen with a resolution of 128x64. The LCD brightness shall be a
minimum of 250 lumens.
Power Specifications
A.
3.3
The shared flow controller shall come standard with a 120 VAC transformer, which has
apparent power of 12 VA.
Surge Protection
A.
The shared flow controller shall have 5 levels of surge protection built into the shared
flow controller including a replaceable and fusible surge protection PC board.
B.
The shared flow controller shall have a minimum of a 1 picosecond surge response
time.
3.4
Environmental Specifications
A.
The shared flow controller shall be able to operate in environments ranging from 32°F
to 140°F (0°C to 60°C) ambient temperatures.
PART 4 - Shared Flow Controller Enclosures
4.1
The shared flow controller shall have the following enclosure options:
A.
Large Capacity Powder Coated Wall Mount Enclosure
1.
The pre-assembled vandal resistant enclosure shall be 15.50″ W x 12.38″ H x
6.40″ D (39.4 cm W x 31.45 cm H x 16.26 cm D) and shall come complete with
lightning and surge protection and all terminals shall be factory labeled.
2.
The wall mount enclosure shall be zinc plated and then powder coated 16-gauge
steel.
3.
A nickel-plated cam style lock shall be mounted in the door for security.
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4.
B.
4.2
The enclosure and installed equipment shall carry a conditional 5-year warranty.
Large Capacity Stainless Steel Wall Mount Enclosure
1.
The pre-assembled vandal resistant enclosure shall be 15.50″ W x12.38″ H x
6.40″ D (39.4 cm W x 31.45 cm H x 16.26 cm D) and shall come complete with
lightning and surge protection and all terminals shall be factory labeled.
2.
The wall mount enclosure shall be manufactured entirely of 16-gauge 304-grade
stainless steel.
3.
A nickel-plated cam style lock shall be mounted in the door for security.
4.
The enclosure and installed equipment shall carry a conditional 5-year warranty.
Shared Flow Controller Add-On Module
A.
The shared flow controller shall be an add-on module for a compatible irrigation
controller in the pedestal enclosure
REV 2.9.2016
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