Accuenergy RCT 16-10000 User manual

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ACUMESH - WIRELESS METERING SYSTEM

COPYRIGHT© 2015 V1.2

This manual may not be altered or reproduced in whole or in part by any means without the
expressed written consent of Accuenergy.

The information contained in this document is believed to be accurate at the time of publica­tion, however, Accuenergy assumes no responsibility for any errors which may appear here
and reserves the right to make changes without notice. Please ask the local representative

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SAFETY INFORMATION

Please read this manual carefully before installation, operation and maintenance of Acuvim II
series meter.

The following symbols in this manual and on Acuvim II series meters are used to provide
warning of danger or risk during the installation and operation of the meters.

Electric Shock Symbol: Carries information about procedures which must be
followed to reduce the risk of electric shock and danger to personal health.

Safety Alert Symbol: Carries information about circumstances which if not
considered may result in injury or death.

This mark indicates that this product is UL listed.

Installation and maintenance of the AcuMesh wireless metering system should only be

experience with high voltage and current devices.

Accuenergy shall not be responsible or liable for any damages caused by improper meter
installation and/or operation.

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Wireless RS485 Network

Chapter 1 : INTRODUCTION

1.1 ACUMESH OVERVIEW

The AcuMesh wireless RS485 network solution is designed to connect
energy meters and any devices by that communicate using RS485

need for installation of communication wires. Saving premium time,

Mesh transceiver is protocol neutral and can be connected to devices
that communicate via Modbus and DNP3.0.

1.2 COMMUNICATION

The AcuMesh wireless system uses the Mesh network structure which
allows each transceiver to act as an extension points in the network
allowing for larger and more reliable range of communication. The
AcuMesh can be used as an intermediate device between other units
to improve communication when units are further apart. Using this
Mesh arrangement for communication allows for point to muli-point
communication. This solution enables self- healing to optimize the
communication path for a more reliable communication.

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1.3 APPLICATIONS

The AcuMesh wireless transceiver can be deployed in the following
applications to expand the communication capability:

• Power and Energy Metering in Commercial buildings, Malls

• Submetering and Tenant Billing for Entire Apartment, Condo­miniums

• Education Facilities and Campus

• Industrial and Factory Facilities

• Renewable Energy Generation such as Solar PV, Wind and etc

• Any network with devices using RS485 communication.

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2.1 INSTALLATION CHECKLIST

2.2 STANDALONE TRANSCEIVER

2.2.1 Power

The transceiver can easily be powered by connected it to the USB port of a com­puter.

The AcuMesh transceiver can also be powered using a standard power supply of
24Vdc.

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The AcuMesh-K will have the following terminals and connectors:

PIN RS485 Description

1 TX/RX+ Positive Transmission Line

2 TX/RX- Negative Transmission Line

5 GND Ground

Power Connection

• Connection for the 7-30Vdc power adapter

DIP Switch

•

•
most devices only support half-duplex communication

Commission Button

• The commission button is used to reset the transceiver to its default settings when it
is pushed 4 times consecutively. It can be used when the transceiver is unable to con­nect to the AcuMesh software. Once pushed 4 times the transceiver will contain the

ured.

If a AcuMesh-L is being used then the external power supply will be needed to power the
transceiver only if it is being connected by RS485. The terminals for the power supply are
labelled as '+' and '-' respectively.

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Wireless RS485 Network

The AcuMesh-L has two buttons; Reset and Restore Default. The Restore Default button
will restore the default settings of the transceiver when pushed 4 times consecutively.

When connecting the AcuMesh to a Accuenergy meter or other meter or device through

• Baud rate: 9600

• Parity: None1 (Or Parity None, stop bit 1)

other devices in the network.

2.3 AXM-MESH MODULE

The AXM-MESH module is directly powered by the Acuvim II series meter that it is connected
to.

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Other IO modules should be connected to the back of the AXM-MESH module.

the following settings to communicate:

• Protocol 2: Mesh

as followed:

Make sure you are in the 'Setting' mode. To get to this screen, press the 'H' and 'V/A' buttons
simultaneously; the display selection mode will be activated and the screen should become

ting'. Press 'V/A' to enter the 'Setting' mode.

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• You will be required to type in a password in the ‘PASSWORD’ screen. Leave the pass­word as default ‘0000’ and press ‘V/A’ to enter the parameter selection Mode.

• The cursor will be on ‘SYS’. Press ‘V/A’ on this screen to get to the system settings.
This will show screen ‘S01 ADDR’.

• Press the 'E' button until you get to 'S34 PROTOCOL 2'. Select the 'Mesh' protocol.

•

• Press ‘P’ or ‘E’ to select 'Mesh'.

•

Note: By changing the ‘Protocol 2’ setting to Mesh in the meter this will automatically change
the Baud rate 2 setting in the meter to 9600 and Parity 2 to None1.

If the meter does not have the Mesh option in Protocol 2, please set Baud rate 2 and Parity 2 to
9600 and None1 respectively.

To communicate with the AXM-MESH module that is attached to the Acuvim II series meter, the

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3.1 ACUMESH SOFTWARE INTRODUCTION

using the software.

• Baud rate. parity of the transceiver

• Network the transceivers will communicate in

• Security of network

• Transmission of messages

Upon opening the AcuMesh software you will see the following screen:

The software will be divided in two views. The left view "Radio Modules" will display all the

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Wireless RS485 Network

3.2 CONFIGURATIONS

To begin the software will need to locate the transceiver that is connected to the computer's
USB port.

Click on the to discover the Comp port that the transceiver is connected to. Select the con­nect and click on 'Finish'.

settings related to this transceiver.

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The right view of the software will display the information and settings related to the transceiv-

To read or retrieve a parameter from the transceiver press the beside the parameter.

To write a setting to the transceiver press on the 'pencil' icon beside the parameter if it is
read and write parameter.

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Wireless RS485 Network

ceiver Information, Stand-alone Transceiver, Serial Interfacing and Advanced Settings.

symbol beside each parameter.

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Security :

ID Network ID: The network or channel that the transceivers will communicate in. All transceiv-

default network ID of 7FFF.

EE Encryption Enable: This parameter is for enabling an encryption for the transceivers in the
network.

KY AES Encryption Key: If the EE Encryption Enable parameter is enabled then a encryption key
needs to be entered. This key must be set between 0-32 characters in Hexadecimal. Every trans-

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Transceiver Information:

assigned to the transceivers.

SH Serial Number High: A read only parameter for returning the upper 32 bits of the 64 bit
unique assigned address to the transceiver.

SL Serial Number Low: A read only parameter for returning the lower 32 bits of the 64 bit unique
assigned address to the transceiver.

AP Mode Options: For the transceiver to communicate with other transceivers in the network
this parameter must be set in 'AT-Communication Mode[0]'.

must be set to 'RS485 Enable High[7]'.

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Wireless RS485 Network

Serial Interfacing:

BD Baud Rate: The baud rate for serial communication between the serial port of the module
and the host. Default setting is 9600.

NB Parity: Parity for the serial communication. Default is None

SB Stop Bits: Number of stop bits used in the serial communication. Default is one stop bit.

Advance Settings:

mit and receive messages. The settings in this section will change the performance of the trans­ceiver therefore, it is suggested that only users with knowledge in RF communication should
attempt to modify any parameters in this section.

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Router so that the transceivers will forward packets of data in a Mesh topology. A non-routing
module will not forward any packets and will communicate point-to-point.

DH Destination Address High: The upper 32 bits of the 64 bit destination address of the trans­ceiver to receive the packets.

DH Destination Address Low: The lower 32 bits of the 64 bit destination address of the transceiv-

cast address.

TO Transmit Options: The transceivers transmit options.

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3.3 LOCATING REMOTE TRANSCEIVERS

Once a transceiver is connected to the computer using the USB cable, this transceiver can be

To discover the remote transceivers within the network press the "Discover radio nodes in the
same network" icon that is present for the transceiver that is located under the Radio Modules
view.

All the remote transceivers that are in the same network as the local transceiver that are found
will appear in the "Discover remote devices" pop up box.

• Press "Add Selected Devices".

Once added, these remote transceivers will appear under the local standalone transceiver and
will be denoted as remote modules.

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Wireless RS485 Network

mentioned, please contact Technical Support at Accuenergy.

Transceiver AXM-Mesh Module

Connection

Data Rate 9600 bps

Operating Frequency Band 902 to 928 Mhz (900 Mhz ISM Band)

Spread Spectrum Frequency Hopping

Number of Channels 64

Transmit Power Output 24 dBm (250 mW)

Receiver Sensitivity -101 dBm

Indoor/Urban Range

Outdoor RF Line-of-Sight Range Up to 4 miles (6.5 km) with 2.1 dB dipole antennas

RF Data Rate Up to 200 kb/s

RS485 Screw terminal, USB mini-B

RF Properties

Antenna

Attached to Acuvim II Power Meter

Impedance 50 ohms unbalanced

Networking and Security

Supported Network Topologies Mesh, point-to-point, point-to-multipoint, peer-to-peer

Addressing Options

Encryption 128 bit Encryption Standard (AES)

Power Requirements Power supply included Directly powered by meter

Power Supply 100-240Vac 47-63Hz NA

Receive Current 60 mA (@9V) NA

Transmit Current 140 mA (@9V) NA

Physical Properties

Size 4.5 x 2.75 x 1.125 in. (11.4 x 7.0 x 2. 9 cm) NA

Weight 150g NA

Operating Temperature -40 to 85ºC (Industrial)

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