Accuenergy AcuRev 2110-mV-485, AcuRev 2110-mA-485, AcuRev 2110-mA-WEB2, AcuRev 2110-mV-WEB2 User manual

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Copyright © 2020 V1.00

This manual may not be altered or reproduced in whole or in part by any means

without the expressed written consent of Accuenergy.

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V: 1.0 Revised: Oct 2020

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

Please read this manual carefully before installation, operation and maintenance of the

AcuRev 2100 Series Power Meter. The following symbols in this manual 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: Car ri es information about circumsta nces which if not

considered may result in injury or death.

Prior to maintenance and repair, the equipment must be de-energized and grounded. All

have received formal training and have experience with high voltage and current devices.

Accuenergy shall not be responsible or liable for any damages or injuries caused by improper

meter installation and/or operation.

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Table of Contents

Chapter 1: Introduction ........................................................................................4

1.1 Meter Overview.............................................................................................................5

1.2 Areas of Application .....................................................................................................5

1.3 AcuRev 2100 Series Features ...................................................................................... 6

Chapter 2: Installation.........................................................................................10

2.1 Appearance and Dimensions....................................................................................12

2.2 Installation Methods ..................................................................................................13

2.3 Wiring ..........................................................................................................................14

2.3.1 Terminals........................................................................................................14

2.3.2 Wiring Methods .............................................................................................16

2.3.3 Communication Port.....................................................................................19

Chapter 3: Appearance and Dimensions ..........................................................21

3.1 Display Panels and Keys ...........................................................................................22

3.2 Energy Display and Operation.................................................................................. 24

3.3 Demand Display and Operation...............................................................................26

3.4 IO Display and Operations ........................................................................................28

3.5 Real-Time Display and Key Operation......................................................................30

3.6 Power Quality Display and Key Operation ..............................................................32

3.7 Shortcut Code .............................................................................................................35

3.8 Basic Settings and Key Operation.............................................................................54

3.9 Network Settings ........................................................................................................55

3.10 Device Information and Key Operation.................................................................56

Chapter 4: Functions & Software .......................................................................57

4.1 Introduction to Acuview Software............................................................................58

4.1.1 Connecting the AcuRev 2100 to Acuview.................................................... 58

4.2 General Settings..........................................................................................................61

4.2.1 CT ratio and Channel Mapping ....................................................................64

4.3 Real Time Metering ....................................................................................................66

4.4 Demand .......................................................................................................................67

4.5 Energy .......................................................................................................................... 68

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Table of Contents

4.5.1 Time of Use (TOU)..........................................................................................69

4.6 IO Functions ................................................................................................................75

4.6.1 Digital Input....................................................................................................75

4.6.2 Relay Output...................................................................................................77

4.6.3 Digital Output.................................................................................................79

4.7 Alarm............................................................................................................................81

4.8 System Event Log........................................................................................................83

4.9 Data Log....................................................................................................................... 84

4.9.1 Reading the Data Log....................................................................................86

4.10 Seal Button (B1) Function........................................................................................88

4.10.1 How to use the Seal Button (B1)................................................................90

4.11 Device Information................................................................................................... 90

Chapter 5: Communication ................................................................................92

5.1 MODBUS Protocol Introduction................................................................................92

5.1.1 Transmission Mode.......................................................................................92

5.1.2 Protocol...........................................................................................................92

5.1.3 CRC Check.......................................................................................................95

5.2 Modbus Communication Format .............................................................................96

5.2.1 Read Relay Output status (Function Code 01) ...........................................97

5.2.2 Read the status of DI (Function Code 02) ...................................................98

5.2.3 Read Data (Function Code 03)......................................................................99

5.2.4 Control Relay Output...................................................................................100

5.2.5 Preset/Reset Multi-Register........................................................................100

5.3 AcuRev 2100 Application Details and Parameter Address Table........................101

5.3.1 Type of Data .................................................................................................101

5.3.2 Correspondence Between Communication Value and Actual Value ....102

5.3.3 Address Table...............................................................................................103

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Chapter 1: Introduction

Chapter 1.0: Introduction

1.1 Meter Overview

The AcuRev 2100 series meter performs real-time metering, measures energy consumption

and monitors power quality for up to 18 single phase circuits (or 6 three phase circuits) in one

unit. It is an advanced intelligent power meter that Accuenergy developed and manufactured

for the next generation smart power distribution networks. The main features include multi-

tenant sub metering, cyclic display, and tamper proof, which make it highly suitable for large

commercial facilities, residential apartments and industrial environments. The AcuRev 2100

series has RS485, Ethernet and wireless (WIFI) communication options as well which can be

easily be connected to intelligent power distribution monitoring systems. The AcuRev 2100 also

supports several I/O options (e.g. Pulse Counting from water or gas meters), making it useful in

energy management systems. Due to its communication capability, ease of installation and use,

this product can be easily integrated into new and existing energy management systems.

1.2 Areas of Application

• Multi-tenant sub metering/billing

• Commercial Complex/Mall

• Apartment/Condominiums

• Hospitals/Public Services

•

• Data Centers

• LEED Projects

• Branch circuit monitoring

• Railway and Subway Systems

• Energy Management Systems

• Industrial & Utilities Applications

WARNING: This product shall be installed in an full enclosed industrial cabinet, the access to which

is strictly limited to professional personnel.

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1.3 AcuRev 2100 Series Features

Multi-function Multi-Tenants

AcuRev 2100 multi-function intelligent power meter utilizes powerful data acquisition and

processing functions, which implements real-time metering and monitoring for up to 18 single

phase circuits (or 6 three phase circuits) in one unit. It will also record system events, over/

under limit alarming and data logging functions.

Innovative Display and Installation

Multi-tenant energy information is cycled through on the high-resolution display. Current

transformer installation is made simple with plug in connector to meter.

Flexible Wiring

Users can choose measuring circuits and wiring methods. Measuring circuit can be selected as

18 single phases, or 6 three phase or 6 single phase three wire.

Features

AcuRev 2100 features and functionality are listed in the table below.

Function

Energy

Parameters

Supported

Real Energy • Combined energy total for all

Reactive Energy

Apparent Energy

Details Accuracy

circuits

• Real, reactive, and apparent

energy for each circuit

• Supports 14 Seasons,

Daylight Savings Time

Time of Use

(TOU)

Holidays

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supporting weekend and

holiday settings.

• Supports daylight saving time

and 10-year holidays with

automatic switching.

Class

0.5 S

V: 1.0 Revised: Oct 2020

Chapter 1: Introduction

Function

Demand

Parameters

Supported

Details Accuracy

Active Power Demand • Combined demand total for

Active Power Demand

Max

all circuits

• Active power demand,

reactive power demand,

Reactive Power

Demand

Reactive Power

apparent power demand and

current demand for each

circuit.

Demand Max

Apparent Power

Demand

Apparent Power

Demand Max

Current Demand

Current Demand Max

• System Line Voltage

Voltage

• System Phase Voltage

• Combined average current

for circuits being monitored

Current

• Current readings for each

circuit being monitored

0.5%

Real Time

Active Power • Combined power for all

Reactive Power

circuits

0.5%

• Active Power, Reactive

Apparent Power

Power Factor

Power, Apparent Power,

Power Factor and Load

Characteristic for each circuit

Load Characteristic

being monitored

Frequency • System Frequency

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Function

Power Quality

Parameters

Supported

THD • Voltage and current THD, odd

Individual Harmonics

(2~31)

Current K Factor

Crest Factor

Voltage Unbalance

Current Unbalance

Voltage Telephone

Interference Factor

(THFF)

Details Accuracy

THD, even THD

• Individual Harmonics (2~31),

Current K-factor (KF), crest

factor (CF), telephone

interference factor (THFF),

1%

• Voltage and current

unbalance

Clock

Alarming

Data Logging

Year/Month/Day/

Hour/Minute/Second

Over/Under Limit

Alarming

Up to 8MB via meters

onboard

Up to 8GB via WEB2

communications

module

•

• Supports NTP via WEB2

communications module

• Users can select parameters

threshold over/under.

• The time and reason of an

alarm event will be recorded.

• Log real-time metering

parameters, I/O status, and

energy measurement.

• Built in WEB2

communications module

provides an additional 8GB

of memory that can be used

for logging locally on the

communication module.

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Chapter 1: Introduction

Function

Communication

I/O

Parameters

Supported

Details Accuracy

RS485 • Modbus TCP, WiFi WPA, WPA2

Enterprise security protocol,

Ethernet/WIFI

HTTP/HTTPS, FTP, SMTP, NTP,

SNMP, BACnet IP, MQTT

• Monitors Digital Status (ON/

18 Digital Inputs

OFF)

• Digital Counter

• Energy Pulse Output

6 Digital Outputs

• Alarm Pulse Output

• Latch control relay

2 Relay Outputs

• Alarm controlled relay

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Chapter 2: Installation

Chapter 2.0: Installation

Before Installation

• The installation must be performed by qualified, competent, accredited professionals

who have received formal training and have experience with high voltage and current

devices. Appropriate safety wear (gloves, glasses, arc flush suit, etc.) is mandatory to

ensure safe installation.

• During normal meter operation, caution should be used when handling the following

as high voltage may be present: Terminal Blocks, Current Transformer connection

nodes, Potential Transformer connection nodes and the related circuits. All primary and

secondary circuits may contain lethal current and voltage. Contact with current channels

must be avoided.

• The power meter and I/O mod ules cannot be ins talle d on the pri ma ry side of

transformers or where VA has limitations. The power meter can be only installed on the

secondary side. Avoid contact with meter terminals after the completion of installation.

• Do not input voltage above the rated maximum limit of the power meter and devices

connected to it. Before energizing the meter, please refer to the meter's label and

• Do not perform high voltage test / insulation experiment to output, input, or communication

terminals.

• The use of shorting blocks and fuses are recommended.

• Use dry cloth to wipe the meter.

• The installation method is introduced in the chapter. Please read this chapter carefully

before beginning installation.

Note: Failure to follow manufacturer guidelines for installation and use may compromise the safety

of the meter and the user.

Note: Any repair should only be performed by the manufacturer. A switch or circuit breaker should

be utilized in the equipment. The switch should be placed close to the equipment and easy to reach.

The switch is regarded as part of the breaking device.

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2.1 Appearance and Dimensions

Fig.2-1 AcuRev 2000 Appearance

Dimensions

Fig.2-2 Meter Dimensions (Meter Base, Display, External CTs)

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Chapter 2: Installation

2.2 Installation Methods

Environmental

Before installation, please check the environment, temperature, and humidity to ensure the

AcuRev 2100 series meter is being placed where it will not be damaged.

1. Temperature

AcuRev 2100 operating temperature is -25~70°C. Exceeding this temperature range will cause

damage to the meter. Please note it can influence the meters life negatively if the meter

operates in extremely high or extremely low temperatures. AcuRev 2100 storage temperature

range is -40~85°C.

2. Humidity

5% to 95% non-condensing.

3. Location

AcuRev 2100 series meter should be installed in a dry and dust free environment. Avoid

exposing meter to excessive heat, radiation, and high electrical noise sources.

Installation Steps

shows, making the meter mounted onto the rail.

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2.3 Wiring

2.3.1 Terminals
Meter Terminals

Upper row: Voltage Input, Power Supply, Seal Button (B1), Relay Output,

RS485, Digital Output, Ethernet Ports (via WEB2 module)

Lower row: Current Input, Digital Input

Fig. 2-6 AcuRev 2100 Terminals

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Chapter 2: Installation

Power Supply

AcuRev 2100 power supply is 100-415Vac, 50/60Hz or 100-300Vdc, which are universally

supported. If any other power supply is required, please contact the manufacturer. The

power consumption of the power meter is low during normal operation; therefore, the power

supply can be either via a standalone power supply or via the measured circuit. A regulator is

recommended where the voltage is not stabilized. The power supply terminal number is L/N/G.

Fig. 2-7 Power Supply Wiring

Power Supply wiring is AWG22~16 or 0.6~1.5mm2.

A fuse or small-sized circuit breaker is mandatory for the AcuRev 2100 Power Supply. The fuse

and comply with IEC 947 standard.

An isolated transformer or EMC filter should be used in the auxiliary power supply loop if

there is a power quality issue in the power supply.

Voltage Input Signal

400Vac L-N, 690Vac L-L.A fuse (typical 1A/250Vac) or air circuit breaker must be used in the

voltage input loop.

Current Input Connection

For CT Connection, the CTs are terminated and plug ged directly into the meter using

connectors on the CT. If the CT does not have this connector an adapter can be used to

connect the CT successfully to the meter.

SnapOn Connector Polarity

North America White lead is positive. Black lead is negative.

International Red lead is positive. White lead is negative.

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Vn Connection

Vn is the voltage reference point of AcuRev 2100, a low resistance to Vn connection contributes

to a better measurement accuracy. Vn connection is related to the system wiring. Please refer

to "Wiring Methods" for details.

2.3.2 Wiring Methods

AcuRev 2100 wiring methods can be selected in system parameter settings. Inline defaults to

3-phase 4-line(3LN), load wiring can be set to single-phase (1LN), threephase four-wire (3LN),

single-phase three-wire (2LN).

1. Single Phase (1LN)

Fig. 2-8 Single Phase

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2. Three Phase 4 Wire (3LN)

Chapter 2: Installation

Fig. 2-9 3-Phase 4-Wire

Table 2-1 3-Phase 4-Wire

Three Phase

Circuit 1

Three Phase

Circuit 2

Three Phase

Circuit 3

Three Phase

Circuit 4

Three Phase

Circuit 5

Phase C I3 I6 I9 I12 I15 I18

Phase B I2 I5 I8 I11 I14 I17

Phase A I1 I4 I7 I10 I13 I16

Three Phase

Circuit 6

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3. Single Phase 3 Wire (2LN)

Fig. 2-10 Single Phase 3-Wire

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Chapter 2: Installation

Table 2-2 Single Phase Three Wire (2 Hot Phases - 1 Neutral)

Circuit Phase A Phase B

Single Phase Three Wire Circuit 6 16 17

Single Phase Three Wire Circuit 5 13 14

Single Phase Three Wire Circuit 4 10 11

Single Phase Three Wire Circuit 3 7 8

Single Phase Three Wire Circuit 2 4 5

Single Phase Three Wire Circuit 1 1 2

2.3.3 Communication Port

AcuRev 2100 communication utilizes RS485 port, via Modbus-RTU protocol. The wiring

terminals are A, B, S (14, 13, 12), where A is positive, B is negative, and S is the shield terminal.

The maximum distance of shielded twisted pair cable is 1200 m.

Figure 2-11 Communication Port

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If the master device does not have RS485 but RS232 port, a RS232/485 converter can be

utilized. Typical RS485 network topologies include line, circle and star (wye).

In order to improve communication quality, please pay attention to:

1. High-quality shielded twisted pair cable is very important, AWG22 (0.6mm2) or lower is

2. Pay attention to "single point earthing". It means there is only one point of the shielding

connected to ground in a single communication link.

3.

damage the communication interface.

4. "T" type connection topology should be avoided. This means no new branches except

from the starting point.

5. Keep communication cables away as much as possible from sources of electrical noise.

When several devices are connected (daisy chain) to the same long communication line,

end of the circuit (the last meter of the chain) if the communication quality is distorted.

6. Use RS232/RS485 or USB/RS485 converter with optical isolated output and surge protection.

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Chapter 3.0: Appearance & Dimensions

3.1 Display Panels and Keys

for more details regarding the dimensions of the LCD display.

LCD Display Function Keys

Fig. 3-1 AcuRev 2100 and LED Indicator

Table 3-1 Function Keys Illustration

Key Function

Up

Scroll up or increase value

(Editing mode)

Down

Left Move cursor to the left

Right Move cursor to the right

OK OK

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Scroll down or decrease

value (Editing mode)

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Chapter 3: Appearance & Dimensions

Key Combination

Pressing the Left and Right buttons at the same time for a second is the quick exit function.

In any screen, pressing this key combination can return to the main menu screen. The basic

settings and network setting screens are only available with this key combination to return

back to the main menu screen.

Display

ACCUENERGY will be displayed on the LCD screen, after 2 seconds

the main menu screen will appear.

Settings Mode

In the main menu screen, users can use the arrow keys to navigate to different options

and use the OK button to enter any of the menu options. When entering either the Settings

or Network Settings options users will be prompted with a password screen. The default

password is 0000, if password has been changed users can use the arrow keys to enter in the

required password. Table 3-2 below shows the main menu options for the AcuRev 2100 meter.

Table 3-2 AcuRev 2100 Main Menu

Menu Display Function

D (Demand) Demand Readings

INFO Device Information

IO Digital Input/Output Readings

E (Energy) Energy Readings

SET Meter Settings

NET Network Settings

PQ Power Quality Readings

MUL (Real-Time) Real-Time Readings

M Shortcut Code

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By default only the E, D, IO, MUL, and M options are displayed on main menu screen. To view the

PQ, SET, NET, and INFO options press either the Right or Left arrow keys to scroll to these options.

Fig. 3-2 Main menu screen sequence

3.2 Energy Display and Operation

On the main menu screen move the cursor over to E and press OK to enter to view the energy

readings for the meter. Use the Left or Right

(1-18) as well as the in-line (meter total) energy. Press the Up and Down buttons to select the

OK to return to the main

menu screen.

If TOU energy is not used, the meter will only display real-time energy readings.

Table 3-3 Energy Display

Parameter Screen

Apparent Energy ES

Current Month Total Energy MTnS

MT1S

MT2S

MT3S

MT4S

UT1S

UT2S

UT3S

UT4S

Reactive Energy EQ

Real-Time Energy EP

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Chapter 3: Appearance & Dimensions

1st Screen includes DI Status channels 1-10, and the second screen includes channels 11-18.

Fig. 3-9 Digital Input Status Display

indicates this channel DI status "OFF" or Pulse Input

indicates DI Status "ON"

3rd Screen, RO Status, 2-Channel RO.

Fig. 3-10 Relay Output Display

indicates this channel RO status "OFF"

indicates this RO Status "ON"

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4th Screen, DI pulse input number and its parameter. Pressing Left and Right to view channels 1-18.

Fig. 3-10 DI Pulse Input Display

CONT X = DI Channel number

PCS = Pulse Count

yy = Scaled Value

3.5 Real-Time Display and Key Operation

On the main menu use the arrow keys to navigate to MUL (Real-time) and press the OK button

to view the real time parameter readings for the meter. Use the Left and Right buttons to

Up and Down

the OK button to return to the main menu.

Table 3-5 Real Time Data Display

Parameter Display

Total Time MUL-Sum

Active Power MUL-P

Reactive Power MUL-Q

Apparent Power MUL-S

Real-Time Current Value MUL-I

Power Factor MUL-PF

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Chapter 3: Appearance & Dimensions

1. Single Phase 1-Wire (1LN):

Table 3-8 Single Phase 1-Wire Shortcut Code

Function User Screen Number Code Content

1 10101-10118 Real-time energy

This month total energy, this

2 10201-10218

Energy

(No TOU,

only Real-

time Energy)

Demand 1-18

1-8

3 10301-10318

Prior month total energy, prior

4 1-18

5 10501-10518

6 10601-10618 Reactive energy

7 10701-10718 Apparent energy

1 20101-20118

2 20201-20218

3 20301-20318

4 20401-20418

Real power demand, reactive power

demand, apparent power demand

Real power demand prediction,

real power demand peak and

happening time

Reactive power demand prediction,

reactive power demand peak

and happening time

Apparent power demand

prediction, apparent power

demand peak and happening time

5 20501-20518 Current demand

6 20601-20618

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Current demand prediction, current

demand peak and happening time

Digital Input

Digital

Output

DI

Channel

1-8

1 30101-30108 DI status

2 30201-30208 RO status

3 30301-30308 DI pulse input related

1 40101-40118 Real power

2 40201-40218 Reactive power

Real-time 1-18

Power

Quality

1-18

3 40301-40318 Apparent power

4 40401-40418 Power factor

5 40501-40518 Load type

6 40601-40618 Current

Harmonic distortion, odd

1 50101-50118

2 50201-50218 Current K-factor

3 50301-50318

4 50401-50418

5 50501-50518

6 50601-50618

7 50701-50718

Harmonic distortion, even

Harmonic distortion

Harmonic of current

(2-7)

Harmonic of current

(8-13)

Harmonic of current

(14-19)

Harmonic of current

(20-25)

Harmonic of current

(26-31)

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Chapter 3: Appearance & Dimensions

2. Three Phase 4-Wire (3LN):

Table 3-9 Three Phase 4-Wire Shortcut Code

Function User Screen Number Code Content

Energy

(No TOU,

only Real-

time Energy)

1-18 1 12101-12118 Total real energy

2 12201-12218 Phase A,B,C real energy

This month total power-sharing,

3 12301-12318

4 12401-12418

Prior month total power sharing,

5 12501-12518

6 12601-12618

Phase A this month total power-

7 12701-12718

sharing

8 12801-12818

Phase A prior month total energy,

9 12901-12918

10 13001-13018 energy, Phase A prior month

Phase B this month total energy,

11 13101-13118

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12 13201-13218

Phase B prior month total

13 13301-13318

14 13401-13418 energy, Phase B prior month

15 13501-13518

16 13601-13618

17 13701-13718

18 13801-13818 energy, Phase C prior month

energy, Phase B prior month

Phase C this month total energy,

Phase C prior month total

energy, Phase C prior month

19 13901-13918 Total reactive energy

20 14001-14018 Phase A, B, C reactive energy

21 14101-14118 Total apparent energy

22 14201-14218 Phase A, B, C apparent energy

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Chapter 3: Appearance & Dimensions

Function User Screen Number Code Content

Demand 1-18

1 22101-22118

System active power demand,

system reactive power demand,

system apparent power demand

2 22201-22218

3 22301-22318

4 22401-22418

5 22501-22518

6 22601-22618

7 22701-22718

8 22801-22818

9 22901-22918

Phase A, B, C active

power demand

Phase A real power demand

prediction, Phase A real power

demand peak and load time

Phase B real power demand

prediction, Phase B real power

demand peak and load time

Phase C real power demand

prediction, Phase C real power

demand peak and load time

Phase A, B, C reactive

power demand

Phase A reactive power demand

prediction, Phase A reactive power

demand peak and load time

Phase B reactive power demand

prediction, Phase B reactive power

demand peak and load time

Phase C reactive power demand

prediction, Phase C reactive power

demand peak and load time

10 23001-23018

11 23101-23118

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Phase A, B, C apparent power

demand

Phase A apparent power

demand prediction, Phase A

apparent power demand peak

and load time

Function User Screen Number Code Content

Phase B apparent power demand

12 23201-23218

13 23301-23318

14 23401-23418 Phase A, B, C current demand

15 23501-23518

16 23601-23618

17 23701-23718

prediction, Phase B apparent power

demand peak and load time

Phase C apparent power demand

prediction, Phase C apparent power

demand peak and load time

Phase A current demand

prediction, Phase A current

demand peak and load time

Phase B current demand

prediction, Phase B current

demand peak and load time

Phase C current demand

prediction, Phase C current

demand peak and load time

Digital Input

Digital

Output

Real-time 1-18

Channel

DI

1-8

1 30101-30108 DI status

2 30201-30208 RO status

3 30301-30308 DI pulse input related

1 42101-42118

2 42201-42218 Total power factor, total load type

3 42301-42318 Phase A, B, C active power

4 42401-42418 Phase A, B, C reactive power

5 42501-42518 Phase A, B, C apparent power

6 42601-42618 Phase A, B, C power factor

7 42701-42718 Phase A, B, C current

Total active power, total reactive

power, total apparent power

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Function User Screen Number Code Content

Power

Quality

1-18 1 52101-52118 Current unbalance

Phase A harmonic distortion,

2 52201-52218

3 52301-52318

4 52401-52418

5 52501-52518 Current K-factor

odd harmonic distortion, even

harmonic distortion

Phase B harmonic distortion,

odd harmonic distortion, even

harmonic distortion

Phase C harmonic distortion,

odd harmonic, even harmonic

distortion

6 52601-52618

7 52701-52718

8 52801-52818

9 52901-52918

10 53001-53018

11 53101-53118

12 53201-53218

13 53301-53318

14 53401-53418

Harmonic of Phase A current

(2-7)

Harmonic of Phase A current

(8-13)

Harmonic of Phase A current

(14-19)

Harmonic of Phase A current

(20-25)

Harmonic of Phase A current

(26-31)

Harmonic of Phase B current

(2-7)

Harmonic of Phase B current

(8-13)

Harmonic of Phase B current

(14-19)

Harmonic of Phase B current

(20-25)

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Function User Screen Number Code Content

15 53501-53518

Harmonic of Phase B current

(26-31)

16 53601-53618

17 53701-53718

18 53801-53818

19 53901-53918

20 54001-54018

3. Single Phase 3-Wire (2LN):

Table 3-10 Single Phase 3-Wire Shortcut Code

Function User Screen Number Code Content

Energy (No

TOU, only

Real-Time

Energy)

1-18 1 16101-16118 Real-time energy

2 16201-16218 Phase A, B real-time energy

3 16301-16318

Harmonic of Phase C current

Harmonic of Phase C current

Harmonic of Phase C current

Harmonic of Phase C current

Harmonic of Phase C current

This month total power sharing,

(2-7)

(8-13)

(14-19)

(20-25)

(26-31)

4 16401-16418

Prior month total power-sharing,

5 16501-16518

6 16601-16618

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Function User Screen Number Code Content

Phase A this month total energy,

7 16701-16718

8 16801-16818

Phase A prior month total energy,

9 16901-16918

10 17001-17018

Phase B this month total energy,

11 17101-17118

12 17201-17218

4 energy

Phase B prior month total

13 17301-17318

energy, Phase B prior month

14 17401-17418

15 17501-17518 Total reactive energy

16 17601-17618 Phase A, B reactive energy

17 17701-17718 Total apparent energy

18 17801-17818 Phase A, B apparent energy

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Function User Screen Number Code Content

System active power demand,

Demand 1-18

1 26101-26118

2 26201-26218 Phase A, B active power demand

3 26301-26318

4 26401-26418

5 26501-26518 Phase A, B reactive power demand

6 26601-26618

7 26701-26718

8 26801-26818 Phase A, B apparent power demand

system reactive power demand,

system apparent power demand

Phase A real power demand

prediction, Phase A real power

demand peak and load time

Phase B real power demand

prediction, Phase B real power

demand peak and load time

Phase A reactive power demand

prediction, Phase A reactive power

demand peak and load time

Phase B reactive power demand

prediction, Phase B reactive power

demand peak and load time

Phase A apparent power demand

9 26901-26918

10 27001-27018

11 27101-27118 Phase A, B current demand

12 27201-27218

13 27301-27318

prediction, Phase A apparent power

demand peak and load time

Phase B apparent power demand

prediction, Phase B apparent power

demand peak and load time

Phase A current demand

prediction, Phase A current

demand peak and load time

Phase B current demand

prediction, Phase B current

demand peak and load time

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Function User Screen Number Code Content

Digital Input

Digital

Output

DI

Channel

1-8

1 30101-30108 DI status

2 30201-30208 RO status

3 30301-30308 DI pulse input related

Real-time 1-18

Power

Quality

1-18 1 56101-56118 Current unbalance

1 46101-46118

2 46201-46218 Total power factor, total load type

3 46301-46318 Phase A, B active power

4 46401-46418 Phase A, B reactive power

5 46501-46518 Phase A, B apparent power

6 46601-46618 Phase A, B power factor

7 46701-46718 Phase A, B current

2 56201-56218

3 56301-56318

4 56401-56418 Current K-factor

5 56501-56518

Total active power, total reactive

power, total apparent power

Phase A harmonic distortion,

odd harmonic distortion, even

harmonic distortion

Phase B harmonic distortion,

odd harmonic distortion, even

harmonic distortion

Harmonic of Phase A current

(2-7)

6 56601-56618

7 56701-56718

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Harmonic of Phase A current

(8-13)

Harmonic of Phase A current

(14-19)

Function User Screen Number Code Content

8 56801-56818

Harmonic of Phase A current

(20-25)

9 56901-56918

10 57001-57018

11 57101-57118

12 57201-57218

13 57301-57318

14 57401-57418

Harmonic of Phase A current

(26-31)

Harmonic of Phase B current

(2-7)

Harmonic of Phase B current

(8-13)

Harmonic of Phase B current

(14-19)

Harmonic of Phase B current

(20-25)

Harmonic of Phase B current

(26-31)

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4. Energy Inline (Meter Total)

Table 3-11 Energy Inline Shortcut Code

Function User Screen Number Code Content

Energy

(No TOU,

only Real-

time Energy)

Inline 1 10100 System active energy

2 10200 Phase A, B, C active energy

System this month total energy,

3 10300

4 10400

System prior month total energy,

5 10500

6 10600

7 10700

8 10800

9 10900

10 11000

11 11100

12 11200

Phase A prior month total energy,

Phase B this month total energy,

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Function User Screen Number Code Content

Phase B prior month total energy,

13 11300

14 11400

Phase C this month total energy,

15 11500

16 11600

Phase C prior month total energy,

17 11700

18 11800

19 11900 System reactive energy

20 12000 Phase A, B, C reactive energy

21 12100 System apparent energy

Demand 1-18

22 12200 Phase A, B, C apparent energy

System active power demand,

1 20100

2 20200 Phase A, B, C active power demand

3 20300

4 20400

system reactive power demand,

system apparent power demand

Phase A real power demand

prediction, Phase A real power

demand peak and load time

Phase B real power demand

prediction, Phase B real power

demand peak and load time

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Function User Screen Number Code Content

Phase C real power demand

5 20500

prediction, Phase C real power

demand peak and load time

6 20600

7 20700

8 20800

9 20900

10 21000

11 21100

12 21200

13 21300

Phase A, B, C reactive power

demand

Phase A reactive power demand

prediction, Phase A reactive power

demand peak and load time

Phase B reactive power demand

prediction, Phase B reactive power

demand peak and load time

Phase C reactive power demand

prediction, Phase C reactive power

demand peak and load time

Phase A, B, C apparent power

demand

Phase A apparent power demand

prediction, Phase A apparent power

demand peak and load time

Phase B apparent power demand

prediction, Phase B apparent power

demand peak and load time

Phase C apparent power demand

prediction, Phase C apparent power

demand peak and load time

14 21400 Phase A, B, C current demand

Phase A current demand

15 21500

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prediction, Phase A current

demand peak and load time

Function User Screen Number Code Content

Phase B current demand

16 21600

17 21700

prediction, Phase B current

demand peak and load time

Phase C current demand

prediction, Phase C current

demand peak and load time

Digital Input

Digital

Output

Real-time Inline

Channel

DI

1-8

1 30101-30108 DI status

2 30201-30208 RO status

3 30301-30308 DI pulse input status

System active power, system

1 40100

2 40200

3 40300 Phase A, B, C active power

4 40400 Phase A, B, C reactive power

5 40500 Phase A, B, C apparent power

6 40600 Phase A, B, C power factor

7 40700 Phase A, B, C current

8 40800 Phase A, B, C phase voltage

9 40900

10 41000 Phase A, B, C line voltage

reactive power, system

apparent power

System power factor,

system load type

Phase A, B, C average

of phase voltage

11 41100

12 41200 Voltage frequency

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Phase A, B, C average

of line voltage

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Chapter 3: Appearance & Dimensions

Function User Screen Number Code Content

Power

Quality

Inline 1 50100 Current unbalance

Phase A harmonic distortion,

2 50200

3 50300

4 50400

odd harmonic distortion, even

harmonic distortion

Phase B harmonic distortion,

odd harmonic distortion, even

harmonic distortion

Phase C harmonic distortion,

odd harmonic distortion, even

distortion distortion

5 50500

6 50600 Crest factor

7 50700 Telephone harmonic form factor

8 50800

9 50900

10 51000

11 51100

12 51200

13 51300

14 51400

Average voltage of harmonic

distortion

Harmonic of Phase A current

(2-7)

Harmonic of Phase A current

(8-13)

Harmonic of Phase A current

(14-19)

Harmonic of Phase A current

(20-25)

Harmonic of Phase A current

(26-31)

Harmonic of Phase B current

(2-7)

Harmonic of Phase B current

(8-13)

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Function User Screen Number Code Content

15 51500

Harmonic of Phase B current

(14-19)

16 51600

17 51700

18 51800

19 51900

20 52000

21 52100

22 52200

Harmonic of Phase B current

(20-25)

Harmonic of Phase B current

(26-31)

Harmonic of Phase C current

(2-7)

Harmonic of Phase C current

(8-13)

Harmonic of Phase C current

(14-19)

Harmonic of Phase C current

(20-25)

Harmonic of Phase C current

(26-31)

3.8 Basic Settings and Key Operation

In the second page of the main menu, use the arrow keys to navigate to SET and press OK to

view the meter settings. Users will be prompted by a password screen, this can be left as the

default password of 0000 or if the password has been changed enter it to view the settings.

Use the Left and Right arrow keys to move between settings. To change a setting use the

OK

value of the setting press either the Up or Down buttons and press the OK

Left and

Right buttons at the same time will return the user back to the main menu.

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Figure 4-1 AcuRev 2100 Software

4.1.1 Connecting the AcuRev 2100 to Acuview

Users can connect to the software either the RS485 port on the meter or by Ethernet/WIFI.

When connecting to the software via RS485 user will need to use an RS485 to USB converter in

order to connect.

NOTE: For more information on Ethernet/WIFI communication refer to the AcuRev 2100-WEB

manual.

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Chapter 4: Functions and Software

RS485-USB Converter

T/R+ T/R- RXD+ RXD- GND VCC

Figure 4-2 AcuRev 2100 RS485-USB converter connection

Two wires should be used in connecting the USB-RS485 converter to the meter:

• T/R+ from the converter to 'A'(14) on the meter

• T/R- from the converter to 'B'(15) on the meter

The default communication settings on the AcuRev 2100 are:

• Device Address: 1

• Baud Rate: 19200

• Parity: Non1 (No parity, 1 stop bit)

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Steps to connect to the software:

1. Open the Acuview software, users will be prompted to enter in the connection settings. The

2. Add device window will appear, select AcuRev 2100, select the connection created in the

previous step, enter in the device address and enter in a description for the device. Click on OK.

Figure 4-4 Add Device page on Acuview

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3. The meter will automatically connect, if it does not click on the Operation menu and click

on Connect.

Figure 4-5 AcuRev 2100 connected to Acuview

4.2 General Settings

some of these settings include the CT ratio/mapping, communication, and password.

To access the settings from Acuview click on the Settings tab located on the left panel of the

software and select General. Users can change the settings for the AcuRev 2100 and use the

Update Device

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Figure 4-6 General Settings

The General Settings page is divided into the following sections.

Security

Change Password: Users can change the meter password using this setting. The range is

0000-9999.

Communication

• Address: Users can configure the Modbus address for the device, this refers to the

Modbus address via RS485. The range is from 1-247, the default address is 1.

•

and the range is 1-247.

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• Baud Rate: Users can configure the baud rate for the RS485 port, the range is 1200-

115200 bps. The default is 19200.

•

NOTE: Baud rate 2 and Parity 2 should not be changed from 38400 and None1, these settings are

required in order for successful communication between the meter and communications module.

Demand

• Demand Type: There are 4 types of demand that the user can select. The default method

is Sliding Window.

• Fixed Window: The demand is calculated based on selecting the calculation period

between 1-30min. The meter will calculate and update the demand values at the end

of each calculation period.

• Sliding Window: The demand is calculated by selecting the calculation period between

1-30 min. The meter will average the energy accumulated within this period of time

and the demand value is updated every minute.

• Thermal: The demand is calculated based on thermal response, used in thermal

demand meters. This method uses a sliding window to update the demand value at

the end of each calculation period.

• Rolling Window: The demand is based on selecting a calculation period between 1-30 min,

a sub interval(Demand Calculation Slip Time) and the demand value is updated at each

sub interval. The sub interval must be a factor of the calculation period. For example, with

VAR Calculation/VAR Convention

• VAR Calculation Method: Can be either True or Generalized.

• True: Uses the Budeanu Concept to calculate the True reactive power. This method

generally takes the harmonic components to do the calculation instead of using the

power vector triangle method.

• Generalized: Uses Fryze's concept to calculate the Generalized reactive power. This method

separates instantaneous current into two components, active and reactive currents.

• VAR/PF Convention: Users can select the convention as either IEC or IEEE

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Energy Pulse

• Channel of Energy Pulse: Users can select which user/input channel energy corresponds

to the Digital Output channels.

• Pulse Constant: Used to represent the amount of pulses that represents 1kWh. The range

is 1-60000, the default is 50000.

•

DI Synchronous Demand

• DI Trigger Condition: Users can synchronize the Demand with the DI, and can select the

condition in which to synchronize. The options are

• No Trigger

• Trigger by rising edge

• Trigger by falling edge

• Trigger by changes

• DI Sync-Source: DI Synchronization source can set as DI1-DI8.

Rated Voltage

Rated Voltage: This rated voltage is the rating used for the Alarm setting. The default is 220V

and the range is 120-600VLL.

4.2.1 CT ratio and Channel Mapping

The CT ratio must be configured in the AcuRev 2100 meter in order for it to correctly read

current measurements. Users can configure the CT settings in the software by clicking on

User and CT under the Settings tab on the left panel of Acuview.

In the CT model section users can enter in the primary rating of the CTs being used with the

meter. The range is 5-2000A and the default setting is 20A.

Users can al so map the channel names in this section where the user name can be

customized. The user names can support up to 6 characters (ASCII).

Number 101-118 refers to the physical single-phase channel 1-18.

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Number 301/201- 306/206 refers to three-phase user channels 1 to 6.

The enable display section allows users to enable or disable that particular channel on the LCD

NOTE:

save the settings to the meter.

Figure 4-7 User and Channel Mapping

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4.3 Real Time Metering

The AcuRev 2100 supports real time parameters such as voltage, current and power. Voltage

includes line voltage, phase voltage, current for each channel and inline (total of all circuits),

power (active, reactive, apparent) and power factor for each channel and inline values.

The real time values can be seen on the software by clicking on Real-Time Metering under

the Readings tab on the left panel of the software. The figure below shows the real time

metering section when the wiring is set for 3LN.

The top portion of the page displays the meter inline values, meaning the totals and averages

for all circuits connected to the meter. The User section at the bottom of the page allows

users to view the real time metering for each channel or circuit connected to the meter.

Figure 4-8 Real Time Metering

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Chapter 4: Functions and Software

4.4 Demand

The meter demand readings can be found under the Readings tab by selecting Demand. This

page displays the Demand, Max Demand, Max Demand Time, Demand Prediction (update per

second) of the power, reactive power, apparent power and current. The page is divided into

two sections where the top part of the page shows the total demand readings for all circuits/

channels connected to the meter. The bottom half of the page is where users can select the

individual channels/circuits to view the demand.

AcuRev 2100 supports Demand Synchronization, where the demand is synchronized with the

Digital Input. The demand cycle or the end of the sub-cycle can be output as DO. This can be

Users can reset the demand in this section by using the Clear Demand button.

Figure 4-9 Demand Readings

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4.5 Energy

From the Acuview software users can view the energy readings for the meter. The top portion

of the page provides the total energy consumed energy for all circuits connected to the meter.

This includes the real, reactive, and apparent energy. The AcuRev 2100 also supports a TOU

current energy TOU as well as the prior month TOU.

The bottom portion of the energy page allows users to view the energy consumption for each

individual circuit/channel. The energy value is read and write, meaning users can edit the

value of the energy from this section. To edit the value of the energy click on the value of the

energy parameter and enter in the new value. Users can reset the meter energy by using the

Clear Energy button.

Figure 4-10 Energy Readings

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Chapter 4: Functions and Software

4.5.1 Time of Use (TOU)

on the meters time/date and TOU settings. The TOU function allows users to view the current

month usage as well as the previous months usage.

TOU under

the Settings tab.

Figure 4-11 TOU Settings page

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TOU Settings

• Season: The maximum season number is 14. Each season will operate on the TOU

• Schedule: The maximum schedule number is 8, where this parameter determines the

number of TOU schedules available for the TOU calendar setting. Each schedule can be

• Segment: A segment is included in a schedule where each schedule can have up to a

•

1. Sharp

2. Sharp, Peak

3. Sharp, Peak, Valley

4. Sharp, Peak, Valley, Normal

• Weekend: Allows users to assign how many days are considered weekend days. The

range is 1-8 for this setting.

• Holiday: A maximum of 30 holidays can be programmed to the TOU calendar. If the

otherwise, it will be considered as an invalid input (TOU function will be disabled). If the

weekend and public holidays are overlapped, the public holiday overrides the weekend

setting, the holiday has a higher priority.

• Fault Status Word: Will display a hex word if there is an error present in the TOU settings.

This word should read 0 if all settings are correct.

Billing Mode

• Monthly Billing Mode: Users can select the monthly billing according to their billing

and date. The format for the time method is DD HH:MM:SS.

• In this section users can enable the TOU function in the Acuvim II meter by checking

the box from the software. Users also have the option to restore the TOU setting

back to its default settings from this section.

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Chapter 4: Functions and Software

Daylight saving time (DST):

The AcuRev 2100 meter can adjust for the Daylight Savings Time. The DST can then be

selected to follow one of two formats:

1. Fixed date option

(in minutes).

2. Non-Fixed date option

by which day of which week is selected. The format is Month/ Which Day/ Which week/

Hour/ Minute/ adjusted time (in minutes).

TOU Seasons Settings

Enter the start date into the TOU season table slot following format MM-DD-ID.

• MM stands for month (range is from 1 to 12)

• DD stands for date/day (range is from 1 to 31)

• ID represents the TOU schedule to run (range is from 1-14)

The dates should be organized so that they are in sequence according to the calendar year

(the earlier date comes first and the later date comes last). For example, if 2 seasons are

selected, the date parameters are March 31 and November 4, and TOU schedule 01, 02 will

November 4th, and the second season would be from November 4th to March 31st.

TOU Schedule Settings

Similar to TOU season format, enter the start time into the TOU schedule table slot following

this format HH: MM ID:

• HH stands for hour (range is in 24 hour format, 0 to 24 hours)

• MM stands for minutes (range is from 00 to 60 minutes)

•

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The time should be organized according to the hour sequence. For example, if 3 segments are

one of the following: 01:00, 15:30, 22:45 or 15:30, 22:45, 01:00 or 22:45, 01:00, 15:30. Entering

time information in a wrong sequence (for example, entering 15:30, 01:00, 22:45) is considered

as an invalid operation and the TOU function will be disabled.

•

•

•

•

•

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Holidays Settings

of 30 holidays can be programmed to the TOU calendar. Users can program the amount of

holidays within the TOU calendar by entering a number from 0-30 on the holiday setting in

the General section of the TOU settings. For example if the holiday setting parameter is set

invalid input (TOU function will be disabled).

format as the TOU seasons “MMDD ID”. Users can select which TOU schedule to be used for

the holiday. The dates of the holiday schedule do not need to be organized in sequential order

be December 25).

Ten Year Holiday Setting

Users can preset holidays for the upcoming 10 years via the meter software. Since the holiday

dates change as the years go by this feature allows users to preset the dates. Select Ten Year

Holiday under the Settings tab in order to view the settings.

The holiday format MM-DD ID, where the ID number is the schedule number to use for that

holiday. User can input all the holidays in the Make Holiday Settings (10 year) option located

on the bottom of the page. Users can enter in the holiday dates, holiday code and Schedule

0 - Holiday only occurs once

1 - Holiday occurs on the same date each year

5 - Holiday moved from Sunday to Monday

6 - Holiday moved from Saturday to Friday or Sunday to Monday

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Once all the holidays are entered in the TOU Holiday Code definition users can click on

Generate to automatically populate and load all the holidays in the 10 year holiday settings. If

the current year of the meter does not fall into the Ten year Holiday setting, it remains as the

current TOU settings.

NOTE: The holiday schedule has the highest priority among all the schedules. The weekend

schedule's priority is followed by the Holiday schedule. When the holiday schedule is not enabled,

the weekend schedule has the highest priority, overriding the normal (weekday) schedule.

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Chapter 4: Functions and Software

4.6 IO Functions

AcuRev 2100 has 2 Relay Outputs (RO), 18 Digital Inputs (DI) and 6 Digital Outputs (DO). To

DI, RO and Event under the Settings tab on the left

4.6.1 Digital Input

The AcuRev 2100 supports two Digital Input mode, Digital Status mode and Pulse Counter mode.

either ON/OFF, this is represented by State on the Acuview software. The Digital Input is a dry

contact meaning a voltage is required to change the status of the DI. When the DI detects a

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DI Ratings:

• Input Style: Dry Contact

• Input Current (Max): 2mA

• Input Voltage Range: 15-30Vdc

• Start Voltage: 12V

• Stop Voltage: 10V

• Pulse Frequency (Max): 100Hz, 50% Duty Cycle

Once the mode is changed to Counter

(tonne), m3 (cubic meters), kWh (energy), RMB (Renminbi), and $ (dollar).

t

Figure 4-15 Digital Input Settings

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To view the DI pulse count or DI status click on DI and RO under the Readings tab on the the

left panel of Acuview.

Figure 4-16 DI Readings

4.6.2 Relay Output

The relay output has two modes that it can operate as in the AcuRev 2100, either control or

alarm mode.

1. Control Mode: Allows users to manually control relay ON/OFF.

• Momentary Mode: Allows users to manually turn on relay for a certain time period.

2.

can also use the system event alarm to trigger the relay output in this mode.

There are 12 types of system event alarms that users can trigger the relay with.

1. Reset

2. DI Synchronization Demand

3. Command Synchronization Demand

4. Reset energy

5. Reset Device Run Time

6. Reset Battery Run Time

7. Modify System Parameters

8. Set Initial Energy

9. Modify TOU Settings

10. Modify System Clock

11. Reversed Power Direction

12. Reset DI Pulse Count

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be explained in a later section of the manual.

Figure 4-17 Relay Output Settings

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Users can view the status of the relay on the DI and RO page under the Readings tab on Acuview.

If the relay is configured for relay control mode users can manually turn ON/OFF the relay by

clicking on the Control button. If in alarm mode this function is blocked on the software.

Figure 4-18 Relay Output Readings

4.6.3 Digital Output

The AcuRev 2100 has 6 Digital Outputs channels where the meter will output energy pulses.

General Settings page on Acuview.

individual circuit energy consumption.

Energy pulse settings include Pulse Constant and Pulse Width. The pulse Constant's range is

1-60000, and the Pulse Width range is 20-100 ms. In practical applications, Pulse Constant and

system's energy accuracy.

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Pulse Period = 3600000 /(Real Power x Pulse Constant)

Pulse Period > Pulse Width

Real Power is kW, Pulse Width is in ms.

3600000 /(Real Power x Pulse Constant)> Pulse Width

For example, if the Real Power is 35.2 kW, Pulse Width = 3600000 /(35.2 x Pulse Constant), it

must meet 3600000 /(35.2 x Pulse Constant)>Pulse Width.

Figure 4-19 Digital Output Settings

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4.7 Alarm

The AcuRev 2100 supports over/under alarms where the meter can have up to 10 alarms

Alarm under the Settings tab on Acuview.

Users can alarm for either the individual circuit channels or alarm for the meter total (inline),

available:

• Real-Time Metering (Incoming) - active power, reactive power, apparent power, frequency,

voltage, current, power factor of the incoming line

• Real-Time Metering (User) - active power, reactive power, apparent power, current, power

factor of the individual circuits

• Demand (Incoming) - active power, reactive power, apparent power, current demand and

demand prediction

• Demand (User) - active power, reactive power, apparent power, current demand and

demand prediction of the individual circuits

After the category is selected, users can then select the desired alarming parameter in the

over (>), under(<), or equal.

The setpoint value will be a percentage of the rated value and not the actual measurement

value. The current rating and voltage rating refer to the rated voltage and current value of the

load, which are used to generate the alarm target value. For example, suppose the voltage

rating is 220V, the CT rating is 20A, and the user wants to alarm when the active power is over

3kW. Since the rated power is 4.4kW and 3kW is 68% of 4.4kW, the alarm target value is set to 68.

Users have the option to set a delay for the alarms, where the alarm will trigger after the delay

time has passed. The default is 0 which means there is no delay and the alarm will trigger as

soon as it occurs. The delay time range is from 0-30000 ms.

the relay output. Users can select RO1 or RO2 from the output drop down menu.

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Figure 4-20 Alarm Settings

The alarms can be read in the Alarm Log under the Readings tab on Acuview. The alarm

record shows the time of the alarm, the alarm parameter, the limit value exceeded or restored

value, the alarm state and the alarm rule. Up to 20 alarms can be recorded, and will override

The software displays the newest alarm record number and allows users to reset the alarm

log using the Clear Alarm button.

Figure 4-21 Alarm Log

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NOTE: The limit value displayed by the tool software is not the actual measurement value, but the

percentage of the actual measurement value to the rated value.

4.8 System Event Log

The event log captures and record significant events that occur in the AcuRev 2100 meter.

The log records the time and type of system event. The following are the event types that the

AcuRev 2100 supports:

1. Reset

2. DI Synchronization Demand

3. Command Synchronization Demand

4. Reset energy

5. Reset Device Run Time

6. Reset Battery Run Time

7. Modify System Parameters

8. Set Initial Energy

9. Modify TOU Settings

10. Modify System Clock

11. Reversed Power Direction

12. Reset DI Pulse Count

Up to 100 records can be displayed, users can choose to display the latest 20 records or all

records. The event log can be reset by using the Clear Event button.

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Figure 4-22 Event Log

4.9 Data Log

The AcuRev 2100 includes 8MB of memory that is used for data logging. This allows users to

using the internal memory select Data Log 1/Data Log 2/Data Log 3 from the Settings tab on

There are 114 different parameters that can be logged ranging from Real Time Metering,

Energy, TOU Energy, Demand, and DI. Users can log either the incoming (inline) or individual

circuit parameters. The memory size of the 3 data logs can also be set, but the total number of

memory sectors of the 3 records should not be greater than 100.

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Figure 4-23 Data Log Settings

example, data log 1 can be set as basic measurement parameters (such as power), data log 2

can be set as energy parameters, and data log 3 can be set as demand parameters.

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Generally, setting a data log requires setting the following:

•

• Select parameters

• Select the relevant parameter in the left selection box

• Click the Add button, the selected parameter will be added to the selected box on

the right.

• If you want to delete an item, select the parameter you want to delete in the selected

box, and then click Delete.

• In the Space Allocation section, users can view the number of registers in the record, the

number of bytes that have been used in this record, and the number of remaining bytes.

These areas are automatically increased according to the parameters you choose. The

total number of bytes that can be used is 228.

• Set the Logging Interval - Users can set the logging interval from 0-1440 minutes. When

the interval is selected as 0 the data log function is disabled.

• Set data log sector size - The sector size can be selected from 0-100, but the total sector

size of the 3 data logs must not exceed 100.

• Select the Logging Mode:

•

the data log is full the oldest data log entry will be overrided by the newest log entry.

•

start to override from the oldest entry.

• Time Range - This mode allows users to configure the meter to log data during a

meters memory is full before the stop time the meter will stop data logging.

4.9.1 Reading the Data Log

The data log can be read by selecting Data Log under the Readings tab. On this page users

records, record size, and the amount of used records.

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down menu users can select the amount of records to read. The following options are available

• Read newest 50 records

• Read 1000 records

• Read 64000 records

• Read 1000 records (Select Time)

• Read 64000 records (Select Time)

Users can also set the record number to start reading the data log at. Click on Read to begin

reading the data from the data log. There is an option to download the data from Acuview,

Figure 4-24 Reading the Data Log

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4.10 Seal Button (B1) Function

The AcuRev 2100 supports a sealing function that allows user to prevent tampering of the

meter settings. When the meter is sealed users cannot change or modify certain settings.

There are two types of sealed parameters, standard and non stand parameters.

The sealed parameters include:

• Energy pulse constant

• Energy pulse width

• DO output energy channel selection

• Demand calculation method

• Demand interval window

• Demand sub-interval time

• DI synchronous demand trigger

• All user mapping relations

• Wiring mode

• 1-18 Channel CT Ratio

• Rated voltage

• DI trigger condition

• Reactive power calculation method

• VAR/PF protocol selection

• Clear energy/demand/DI

• All energy data

• Restore default parameters

• Non-standard seal function selection

The Non Standard sealed parameters include:

• RS485 Communication parameters

• Network Parameters

• Clear meter running time

• TOU parameters

• Relay Output Parameters

• Clock

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Users can select the Non Standard seal options from the Acuview software in the General Settings.

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4.10.1 How to use the Seal Button (B1)

By default the AcuRev 2100 is sealed, in order to unseal the meter press B1. Users will notice

that on the display screen on the settings page certain settings will have a lock-shaped symbol

on the top right corner of the display. After pressing B1 the meter will be unsealed for 1 hour

where the lock symbol will now show as an unlocked symbol. After the 1 hour has passed the

meter will go back to being sealed. During the 1 hour when the meter is unsealed the meter

can be sealed again by pressing B1.

NOTE:

4.11 Device Information

Users can view the meters information from the Acuview by clicking on Device Information

under the Readings tab. This provides users with information such as device type, hardware/

software version, serial number, device clock, device run time and communications module

Figure 4-26 Device Information

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Chapter 4: Functions and Software

device clock can be set manually or according to the computer time, users can click on Set

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Chapter 5: Communication

Chapter 5: Communication

AcuRev 2100 supports the mainstream open communication protocol Modbus.

under this protocol.

5.1 MODBUS Protocol Introduction

5.1.1 Transmission Mode

The transmission mode is a series of independent data structures within a data frame and

limited rules for data transmission. The transmission mode compatible with the MODBUS-RTU

Coding System 8-bit

Start bit 1-bit

Stop bit 1-bit

Data bits 8-bit

Error checking CRC (Cyclic Redundancy Check)

Parity No parity/odd parity/even parity

5.1.2 Protocol

When a data frame arrives at the terminal device, it enters the addressed device through a

simple "port", the device removes the "envelope" (data header) of the data frame, reads the

data, and if there is no error, it executes the data transfer. The requested task, then, adds the

data it generates to the obtained "envelope" and returns the data frame to the sender. The

returned response data contains the following content: the terminal slave address (Address),

the executed command (Function), the requested data (Data) generated by executing the

command, and a check code (Check). There will be no successful response if any error occurs.

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1. Frame Format

Table 5-1 Data Frame Format

Address Function Data Check

08-bit 8-bit N * 8-bit 16-bit

2. Address Field

range is 0-247.

sponse to let the master know which slave is responding.

3. Function Field

what kind of action to perform.

Table 5-2 Function Code

Code Meaning Action

01 Read DO status Obtain Digital (Relay) Output current status (ON/OFF)

-

02 Read DI status Obtain Digital Input current status (ON/OFF)

03 Read Data

05 Control DO Control Digital (Relay) Output (ON/OFF)

16

Preset multiple

registers multiple-registers

Obtain current binary value from one or

more registers

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4. Data Field

that terminals respond to the request. This data may be a numerical value, address or setting.

For example, Function Code tells the terminal to read one register, Data Field needs to specify

reading from which register and how many registers to read.

5. Error Check Field

er interferences, a group of data may be changed while transmitting from one location to

the other. Error Check ensures master or slave devices do not respond to the distorted data

bit Cyclic Redundancy Check (CRC 16).

5.1.3 CRC Check

The CRC value is calculated by the transmitting device and then appended to the data frame.

The receiving device recalculates the CRC value when receiving the data, and then compares it

-

late the 8 bits in each byte in the data frame with the current value of the register, only 8 data

per byte Bit participates in generating CRC, start bit, stop bit and possible parity bit does not

register, and then the result is shifted to the low bit, the high bit is supplemented with "0", and

The above processing is repeated until 8 shift operations are performed. After the last bit (the

8th bit) is shifted, the next 8-bit byte is XORed with the current value of the register, and the

value generated is the CRC value.

-

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The process of generating a CRC is:

1. Preset a 16-bit register as 0FFFFH (all 1s), which is called the CRC register.

2.

low byte in the CRC register, and store the result back to the CRC register.

3.

bit out and check.

4. If the lowest bit is 0: repeat the third step (the next shift); if the lowest bit is 1: connect the

5. Repeat the third and fourth steps until 8 shifts. A complete eight bits are processed in this way.

6. Repeat steps 2 to 5 to process the next eight bits until all byte processing ends.

7. Swap the high and low bytes of the CRC register, the result is the CRC value.

5.2 Modbus Communication Format

The examples in this section will use the format shown in Table 5-3 as much as possible (the

numbers are in hexadecimal).

Table 5-3 Protocol Example

Address Function

Data Start

Reg Hi

06H 03H 00H 00H 00H 21H 84H 65H

Data Start

Reg Lo

Data #of

Regs Hi

Data #of

Regs Lo

CRC16 Hi CRC16 Lo

Addr: Slave device address

Fun: Function Code

Data start reg hi: Start register address, high byte

Data start reg lo: Start register address, low byte

CRC16 Hi: CRC high byte

CRC16 Lo: CRC low byte

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Chapter 5: Communication

5.2.1 Read Relay Output status (Function Code 01)
Query

The master device sends a query frame to the slave device. Function Code 01 allows users to

On top of the slave device address and function code, the query frame must contain the relay

register starting address and the number of registers to be read.

Table 5-4 depicts reading Relay 1 and Relay 2 status of the slave device with the address of 17.

Table 5-4 Query Frame of Reading Relay Output Status

Address Function

Relay Start

Reg Hi

Relay Start

Reg Lo

Relay #of

Regs Hi

Relay #of

Regs Lo

CRC16 Hi CRC16 Lo

11H 01H 00H 00H 00H 02H BFH 5BH

Response

The slave device answers the master device's query. The response frame contains a slave de-

vice address, function code, data quantity and CRC check. Each relay utilizes one bit (1 = ON , 0

= OFF). Table 5-5 depicts the response frame.

Table 5-5 Response frame of reading Relay Output status

Address Function Byte Count Data CRC16 Hi CRC16 Lo

11H 01H 01H 02H D4H 89H

Data Bytes

7 6 5 4 3 2 1 0

0 0 0 0 0 0 1 0

MSB LSB

(Relay 1 = OFF, Relay 2=ON)

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5.2.2 Read the status of DI (Function Code 02)
Query

On top of the slave device address and function code, the query frame must contain the digi-

tal input register starting address and the number of registers to be read. DI register address

starts from 0000H (DI1=0000H, DI2=0001H, DI3=0002H, DI4=0003H).

Table 5-6 depicts reading DI1 to DI4 status of the slave device with the address of 17.

Table 5-6 Query frame of reading DI status

Address Function

DI Start
Addr Hi

DI Start
Addr Lo

DI Num Hi DI Num Lo C RC16 Hi CRC16 Lo

11H 02H 00H 00H 00H 04H 7BH 59H

Response

The slave device answers the master device's query. The response frame contains a slave de-

vice address, function code, data quantity and CRC check. Each DI utilizes one bit (1 = ON , 0 =

OFF).Table 5-7 depicts the response frame.

Table 5-7 Response Frame of Reading DI1 to DI4 Status

Address Function Byte Count Data CRC16 Hi CRC16 Lo

11H 02H 01H 03H E5H 49H

Data Bytes

0 0 0 0 DI4 DI3 DI2 DI1

0 0 0 0 0 0 1 0

MSB LSB

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