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In short

  1. Stable power on the cage and barge

  2. Stable internet

  3. One of these compatible feeding systems

Detailed requirements

These requirements define the optimal environment for Bluegrove systems. If any of the requirements are not met the Bluegrove service will be impacted as described in each point.

Related documents:

1 Physical requirements

1.1 Limitations in use/performance with other specific components

Main components

Component

Problem

Solution

Cage type:
Hvalpsund HD500NG

Conflict between the top bracket fixture and the handrail post.

Use stainless ratchet straps or rope to tie the top part of the bracket to the pole.

Extra equipment

Component

Problem

Solution / Løsning

Aeration devices that makes airbubbles inside the cage. Sold under names like(Midt-Norsk ring, Turbolift etc)

The echosounder picks up the bubbles and it creates a noisy image of the fish.

Echosounders are not compatible with aeration devices.

Aside from these components, the equipment is compatible with any other component that is not directly interfering with it. It is compatible with predator nets.

1.2 Cage requirements

  • Minimum 15m deep nets.

1.2.1 Coverage for different cage sizes:

Cage type

Estimated total coverage

160m circumference
40m to deepest point. 25m distance between sensor heads.

~ 40%

120m circumference
30m to deepest point. 25m distance between sensor heads.

~50%

130m circumference
45m to deepest point. 25m distance between sensor heads.

~80%

Square 40x40m
30m to deepest point. 20-25m distance between sensor heads.

~25%

Square 30x30m
25m to deepest point. 15-20m distance between sensor heads.

~30%

Square 25x25m
20m to deepest point. 15m distance between sensor heads.

~50%

Performance is mainly affected by how well the sensors cover the feeding zone.

1.3 PC at the barge

  • PC with at least 1 display screen per 12 cages: Minimum 24”, 1920x1080 resolution

  • Mouse/Keyboard

  • Chrome Browser

What happens if the requirement is not met:

You are unable to use the system locally on the barge.

1.4 PC for remote access

  • Optional remote PC with at least 1 display screen per 12 cages: Minimum 24”, 1920x1080 resolution

  • Mouse/Keyboard

  • CageEye VPN Installed

  • Chrome Browser

What happens if the requirement is not met:

You are unable to use the system remotely.

1.5 Operational feeding system

The blowers, dosing, changers, piping, feed spreaders need to be in working condition.

What happens if the requirement is not met:

You are unable to feed.

1.6 Farm environmental sensors - Required for analytics and insights

Sensors at farm with API.

  • Oxygen

  • Salinity

  • Temperature

  • Water-current

  • Weather

What happens if the requirement is not met:

You do not get access to this data in the Bluegrove system.

2 Power Requirements

2.1 Power at barge

The CageEye system requires 2kW @ 230V 50hz at the barge.

The system complies with the international EMC standards:

  • IEC/EN 60950-1

  • IEC/EN 61000-3-3

  • IEC/EN 61000-6-1

  • IEC/EN 61000-6-3

In case of power source problems such as noise, spikes, brownouts and blackouts, an Online UPS system needs to be installed to accommodate continuous power stability and availability.

What happens if the requirement is not met:

Service stops as soon as the power to the server and antenna is broken. This is mitigated by using a UPS(battery).

2.2 Power at cage

Estimated continuous power requirements for all sensor devices in cage: 60 W
Estimated maximum power consumption in the future 500 W

The CageEye system requires 60 W @ 230V 50hz outlet at the cage. The power supply must have a 3-16A fuse.

What happens if the requirement is not met:

Service stops as soon as the power is interrupted. This is mitigated by using a UPS(battery).

3 Network Requirements

3.1 Barge local network

Ethernet 802.3ab compatible connection.

The server running the Bluegrove service on the barge needs access to these hosts and services:

Host

Service

Comment

Barge feeding system

Feeding system API as defined by the vendor.

List of feeding systems:Feeding-system integrations and compatibility with Bluegrove

Optional:
Video server for feeding cameras.

Video stream.

Note: Bluegrove also needs information on the which stream belongs to which cage.

Required network performance to provide optimal services:

Service

Bandwidth

Uptime

Latency

Packet Loss

Jitter

Network services on barge

1 Gbit

100%

2 ms

0

15%

What happens if the requirement is not met:

Services are interrupted. Data is buffered for some time.

3.2 Cage to barge network

By default, Bluegrove uses wireless radios, which is dependent on a clear line of sight from barge roof to the cages. Bluegrove could also use other cage to barge networking, given that all the necessary devices are accessible from the Bluegrove server.

Ethernet 802.3ab compatible connection.

Required network performance to provide optimal services:

Service

Bandwidth

Uptime

Latency

Packet Loss

Jitter

Network services on cage

200 Mbit

100%

5 ms

0

15%

What happens if the requirement is not met:

Services are interrupted. Data is buffered for some time until recovery.

3.3 Internet access for the Bluegrove server

Services dependent on dedicated internet connection bandwidth with minimum requirements:

Service

Upload

Uptime

Latency

Packet Loss

Jitter

Bluegrove remote servicing

1 Mbps

90%

150 ms

5% over 10 minutes

15%

Bluegrove software solutions(data flow, ML model updates etc.)

1 Mbps

90%

150ms

5% over 10 minutes

15%

  • If the internet subscription has a monthly limit for traffic; the Bluegrove services needs 100 GB a Month.

Ports used by the Bluegrove server

Type

Port

Used for

Traffic

TCP

1194

Communication through OpenVPN with Bluegrove cloud servers; and remote servicing.

Incoming and outgoing

What happens if the requirement is not met:

Dataflow and remote services are interrupted. Data is buffered for some time until recovery.

3.4 Barge to Feeding Operations Center network

Services dependent on dedicated network connection bandwidth with minimum requirements:

Service

Upload

Uptime

Latency

Packet Loss

Jitter

Real time feeding (remote, without video)

5 Mbps

100%

150 ms

1% over 10 minutes

15%

Real time feeding (remote, with video)

30 Mbps

100%

150 ms

1% over 10 minutes

15%

  • Upload bandwidth, uptime, latency, packet loss and jitter between devices on the barge network and the Feeding Operations Center.

What happens if the requirement is not met:

Remote services are interrupted. Data(not video) is buffered for some time until recovery.

4 Integration Requirements

4.1 Operational feeding system integration

The customer must to provide Bluegrove with an integration to his feeding system. Bluegrove maintains this list of compatible feeding-systems: Feeding-system integrations and compatibility with Bluegrove

What happens if the requirement is not met:

Feeding service is interrupted. Data collection on feeding is interrupted.

4.1.1 For developers: General feeding system integration requirements

 3.1.1 General feeding system integration requirements and definitions

Feeding system requirements version 0.0.6.

This section defines general requirements for controlling a feeding system for sea-based and land based aquaculture.

Intention

Enable the fish farmer to:

  • Maintain high uptime of its feeding processes.

  • Safely enable interaction between applications while minimizing risk of service outages.

  • Procure, replace or remove software from any vendor in a modular way.

  • Maintain high data and operational security

  • Get early warning about errors and the possibility of investigation through logging.

  • Enable access on an individual level, and integrate with the company's user directory.

  • Maintain robust local feeding operations with unreliable internet.

  • Enable remote control of feeding operations at different sites with full functionality without the use of VPN.

  • Enable control of feeding operations on one user interface, regardless of feeding system vendor.

  • Enable frequent and high-resolution data collection from feeding operations.

  • Safely control feeding operations remotely with no or unstable internet.

  • Enable scale in the data collection by using good practices like “Report by exception/change” and avoiding polling.

Definitions

  • Unit: The unit where feed is dispensed to the consumers. Example: Cage or tank used in aquaculture.

  • Feeding system: The machinery/installation which executes the feeding. Feeding barge at sea. Example: Land based feeding installation.

  • Feeding control system: The industrial control devices controlling the machinery in the feeding system. Example: The PLC controlling the feeding system. The server controlling the PLC.

  • Feeding Line: The feeding system internal feeding line. in the control system. Feedlines can sometimes be routed to different pipes by "changers". Example: Feeding line inside a barge connected to a blower and one or more feed silos.

  • Pipe The pipe or conveyor to transporting the feed from the feeding system to the place where it will be consumed. Example: The feed pipe from a barge to a cage.

Out of scope features

  • Feeding tables. A plan for dispensing feed over time. Often provided by the Feeding control system or feeding application.

  • Automatic feeding. A configurable plan for dispensing feed over time which is executed by the feeding system. Often provided by the feeding control system.

  • Biological data. Data on species, number of fish, weight, mortality etc. Often provided by the Feeding control system, ERP or planning tools.

  • Calibration of feeding dosers. Calibration of dosers to dispense the correct amount of feed. Often provided by the Feeding control system.

  • Line configuration. An operation that moves a pipe from one cage to another. The operator then updates it in one system, which then makes it available to other systems by API. Often provided by the Feeding control system.

  • Dosing of feed. The industrial control system achieves the desired intensity by operating the dosing machinery. Often provided by the feeding control system.

  • Silo management. Used for selecting type of feed. Often provided by the Feeding control system.

Required functionality:

  • Feeding Mode

    • Enables switching between manual and automatic feeding.

  • Set Intensity

    • Sets the feeding intensity for a pipe.

  • Alarm Warning Or Stop Message

    • Alarms, Warnings, or stop messages from the feeding control systems.

  • Feeding Lines Avaliable

    • Lists the available units(cages) avaliable to each feeding line, by changer or directly connected.

  • Enable And/Or Change Feed Line To Conveyor

    • Operates the changers to connect one line to the selected pipe.

  • Feedline Status

    • Describes which pipe(cage) the feedingline in the feedingsystem is connected to. Also gives the status of the feedline.

  • Feedline Blower Level

    • The set power of blowing in percent from maximum of 100%. 0 when off.

  • Feedline Pressure

    • The pressure inside a feedpipe.

  • Feedline temperature

    • The temperature inside a feedline.

  • Feedline airspeed

    • The airspeed inside a feedpipe.

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