Victron energy VBC-HV Manual de usuario

Manual

VE.Net Battery Controller (70-385V model)

VBC-HV

Copyrights 2010 Victron Energy B.V.

This publication or parts thereof, may not be reproduced in any form, by any

method, for any purpose.

For conditions of use and permission to use this manual for publication in

other than the English language, contact Victron Energy B.V.

VICTRON ENERGY B.V. MAKES NO WARRANTY, EITHER EXPESSED OR

IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES

OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE,

REGARDING THESE VICTRON ENERGY PRODUCTS AND MAKES SUCH

VICTRON ENERGY PRODUCTS AVAILABLE SOLELY ON AN “AS IS”

BASIS.

IN NO EVENT SHALL VICTRON ENERGY B.V. BE LIABLE TO ANYONE

FOR SPECIAL, COLLATERAL, INCIDENTAL, OR CONSEQUENTIAL

DAMAGES IN CONNECTION WITH OR ARISING OUT OF PURCHASE OR

USE OF THESE VICTRON ENERGY PRODUCTS. THE SOLE AND

EXCLUSIVE LIABILITY TO VICTRON ENERGY B.V., REGARDLESS OF

THE FORM OF ACTION, SHALL NOT EXCEED THE PURCHASE PRICE OF

THE VICTRON ENERGY PRODUCTS DESCRIBED HERE IN.

Victron Energy B.V. reserves the right to revise and improve its products as it

sees fit. This publication describes the state of this product at the time of its

publication and may not reflect the product at all times in the future.

1 INTRODUCTION

Victron Energy has established an international reputation as a leading

designer and manufacturer of energy systems. Our R&D department is

the driving force behind this reputation. It is continually seeking new ways

of incorporating the latest technology in our products. Each step forward

results in value-added technical and economical features.

1.1 The VE.Net Battery Controller (VBC-HV)

The VBC-HV is a device that monitors your battery status. It constantly

measures the battery voltage, battery temperature, and battery current,

and uses this information to calculate the actual state of charge of your

battery.

1.2 Introduction to VE.Net

VE.Net stands for Victron Energy Network. It allows all VE.Net

compatible devices to communicate with each other. This means that the

charger for example can get information from the battery monitor to

optimize the charge current. It is possible to control and monitor all your

VE.Net devices from a single VE.Net compatible control panel. This

saves space and allows you to control all your devices from one place. It

is however, not necessary to be limited to a single panel. Multiple panels

can be used on the network, allowing full control and monitoring

capabilities of all devices in multiple locations.

1.3 Why should you monitor your batteries?

The lifetime of your batteries depends on many factors. If the batteries

and the load process are monitored you can prevent your batteries from

being under- or over charged, or from being discharged too deeply. A

battery controller warns you if there is something wrong with the charge

current or with the general condition of the batteries.

1.4 How does the VE.Net Battery Controller work?

The capacity of a battery is rated in Amp hours (Ah). For example, a

battery that can deliver a current of 5 Amps for a period of 20 hours is

rated at 100 Ah (5 * 20 = 100). The VBC-HV continuously measures the

net current flow into or out of the battery. This way it can calculate the

amount of energy removed from or added to the battery. But since battery

age, discharge current and temperature all influence the battery‟s

capacity; you cannot rely simply on an Amp hours reading. When the

same 100 Ah battery is discharged completely in two hours, it may only

give you 56 Ah (because of the higher rate of discharge).

As you can see the battery‟s capacity is almost halved. This phenomenon

is called Peukert efficiency (see chapter 4.1.2). Also, when the

temperature of the battery is low, its capacity is decreased even more.

This is why simple Amp hour counters or Voltmeters give you far from an

accurate state-of-charge indication.

The VBC-HV can display both the Amp hours removed (not

compensated) and the actual state of charge (compensated by Peukert

efficiency and charge efficiency). Reading the state-of-charge is the best

way to read your battery. This parameter is shown as a percentage,

where 100% represents a fully charged battery and 0% represents a

completely flat battery. You can compare this with a fuel-gauge in a car.

The VBC-HV also makes an estimation of how long the battery can

support the present load (time to go readout). This is actually the time left

until the battery needs to be charged again. If the battery load is

fluctuating heavily it is best not to rely on this reading too much since it is

a momentary readout and must be used as a guideline only. We always

encourage the use of the state-of-charge readout for accurate battery

monitoring.

2 INSTALLATION OF YOUR BATTERY MONITOR

2.1 Safety Precautions!

1. Working in vicinity of a lead acid battery is dangerous. Batteries can

generate explosive gases during operation. Never smoke or allow a spark

or flame in the vicinity of a battery. Provide sufficient ventilation around

the battery.

2. Wear eye and clothing protection. Avoid touching eyes while working

near batteries. Wash your hands when done.

3. If battery acid contacts skin or clothing, wash immediately with soap

and water. If acid enters eye, immediately flood eye with running cold

water for at least 15 minutes and get medical attention immediately.

4. Be careful when using metal tools in vicinity of batteries. Dropping a

metal tool onto a battery might cause a short-circuit and, possibly an

explosion.

5. Remove personal metal items such as rings, bracelets, necklaces, and

watches when working with a battery. A battery can produce a short-

circuit current high enough to melt such items, leading to severe burns.

6. The VBC-HV contains no user serviceable parts, and operates at

dangerously high voltages. Never remove the housing, as this causes a

risk of electric shock.

To install your battery controller you will need:

1. Wired VBC-HV and shunt in housing. The standard supplied shunt is

500A / 50mV, but any shunt with a current indication up to 100mV

can be used.

2. Standard supplied VE.Net power cable.

RJ45 Cat5 cable to two wire insulated flexible connection cable

AWG21/0.4 mm² with inline fuse holder and 1 Amp slow blow fuse.

3. Standard supplied temperature sensor.

4. Cat5 cable with two RJ45 connectors (to connect a VE.Net Panel or

other VE.Net device) available in 5, 10, 15, 20, 25 and 30 meters.

2.2 Mounting

The VBC-HV box can be mounted using the 4 mounting holes. To ensure

the best read out we recommend that you use the standard supplied

cables and place the controller as close as possible to the batteries.

During prolonged periods of high current, the shunt will become hot. It is

therefore recommended that the box is mounted so that the blades of the

shunt are oriented vertically to allow optimal air-flow.

2.3 Wiring

Turn off the power from the batteries and remove the fuse before you

start installation. Connect the wiring as shown in figure 1. The thick lines

represent the main current path cables; these should be of a heavy duty

type. Most of the connections are already made to the VBC-HV. You will

only need to connect the battery minus and system ground wires to the

shunt and the Battery+ wire to the battery. Optionally you can connect the

wires coming from the alarm relay.

Connect the Battery Controller to a VE.Net Panel or other VE.Net device

using a standard straight Cat5 cable. The total length of Cat5 cables used

in a VE.Net network should not exceed 100m.

After installation, and checking all the connections place the fuse to

power the battery controller.

Note: The VBC-HV cannot provide power to other VE.Net devices. In

order to power other VE.Net devices (such as the VPN), use either the

VE.Net power cable or connect another device to the network that is

capable of supplying power. Such devices include the VE.Net Battery

Controller 12/24/48V (VBC000300000), the VE.Net to VE Bus Converter

(VVC000200000), the VE.Net Tank Monitor, current model

(VCS000100000) and the VE.Net Tank Monitor, voltage model

(VVC000100000).

Note: The shunt and temperature sensor should be the only wires

connected to the negative terminal of the battery. The negative

connections of all other devices (including chargers) must be made to the

load side of the shunt (system ground). If devices are connected directly

to the negative terminal of the battery the VBC-HV will be unable to

measure their current consumption, and will give incorrect readings.

Note: Do not connect any other wires to the shunt measurement output,

as this will affect the accuracy of the readings.

V+

I -

VE.Net

I +

T-

T+

GND

VBC

Battery system

+ -

Relay connection

Fuse 100mAT

Temperature sensor

Battery Vin

max 385V

VE.Net Vin max 70V

Figure 1

Battery negative

(System ground)

Battery positive

(Load)

Read the Safety precautions

in chapter 2.1 before

installing your VBC-HV.

Make sure that you first

connect the system before

placing the fuse.

Battery Monitor

157V -0.5A 99%

3 USING YOUR BATTERY MONITOR

All control of the VBC-HV is provided through the VPN. To switch on the

VPN, hold down one of the buttons until the VPN beeps. When the VPN

has finished starting up, the device list will be displayed. If there are other

VE.Net devices connected, it may be necessary to press “▼” until the

Battery Controller is displayed. For more information on using the VPN,

refer to the VPN manual.

3.1 Quick status line

In the root menu of the VPN you will see this screen, which consists of

the name of the battery controller and the “quick status” line.

Notes:

1. You can always return to this position by pressing “Cancel”

repeatedly.

2. The state of charge is only displayed when the Battery Controller is

synchronised (see chapter 4.1.3 for more information).

3.2 Main menu

To view more detailed information, press the “Enter” button to enter the

Battery Controller menu.

Name

Description

Units

Battery voltage

Displays the voltage of the battery.

Volts.

Battery current

Displays the DC current that flows into or out of the battery.

Amps.

Consumed Ah

Displays the energy consumed since the battery was last fully

charged.

Amp hours.

State of charge

The state of charge indicates the percentage of the battery capacity

that is still available for consumption. A full battery will show 100%,

and an empty battery will show 0%. This is the best way to see

when the batteries need to be recharged.

Percent.

Time to go

Displays the estimated time, based on the current load, before the

batteries need to be recharged.

Hours and

minutes.

Bat. temperature

Displays the battery temperature.

Degrees

Celsius.

Software version

The software version of this device.

Battery voltage

State of charge

Battery current

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