Sinapsi EQUOBOX Manual de usuario

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EQUOBOX RTU-ModBus

Datalogger for ModBus

devices

User Guide

Rev 2.2

This manual refers to the versions starting from:

Firmware 3.02.06 / Web 3.02.02 / Hardware 2.0

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TABLE OF CONTENTS 
INTRODUCTION................................................................................................................................................................................4 
1 Purpose of the document...................................................................................................................................................4 
2 Content of the packaging...................................................................................................................................................4 
RTU TECHNICAL DATA................................................................................................................................................................... 4 
RTU APPEARANCE............................................................................................................................................................................ 5 
1 Description of the RTU......................................................................................................................................................... 5 
2 RTU............................................................................................................................................................................................... 5 
GENERAL INFORMATION ABOUT ModBus ARCHITECTURE........................................................................................... 6 
1 System overview..................................................................................................................................................................... 6 
2 Addressing................................................................................................................................................................................ 7 
INSTALLATION...................................................................................................................................................................................8 
1 Mechanical assembly............................................................................................................................................................ 8 
2 Electrical installation ............................................................................................................................................................. 8 
3 Connection to a local PC via Ethernet (LAN)............................................................................................................... 9 
4 Connection to a GPRS-UMTS modem/router...........................................................................................................10 
5 Connecting the digital inputs to voltage free contacts ........................................................................................11 
6 Connecting the digital inputs to positive voltage contacts ................................................................................11 
7 Connecting the digital inputs to negative voltage contacts...............................................................................12 
8 Digital output connection.................................................................................................................................................12 
COMMISSIONING ..........................................................................................................................................................................13 
SELECTING THE LANGUAGE.......................................................................................................................................................13 
BUTTONS AND DISPLAY..............................................................................................................................................................14 
1 Button description ...............................................................................................................................................................14 
2 Display ......................................................................................................................................................................................14 
3 Display –RTU INFO .............................................................................................................................................................15 
4 Display - SETTINGS..............................................................................................................................................................16 
CONNECTING THE RTU TO THE PC ........................................................................................................................................17 
HOMEPAGE..................................................................................................................................................................................18 
SETTINGS - SYSTEM .................................................................................................................................................................20 
1 Plant Database ......................................................................................................................................................................20 
2 System settings.....................................................................................................................................................................21 
3 Maintenance...........................................................................................................................................................................21 
SETTINGS - NETWORK ............................................................................................................................................................23 
1 General Setup ........................................................................................................................................................................23 

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2 Advanced Setup....................................................................................................................................................................24 
3 Email Setup.............................................................................................................................................................................25 
4 DynDNS....................................................................................................................................................................................26 
DATA SAMPLING.......................................................................................................................................................................27 
1 Defining sampling frequency and RAW data............................................................................................................27 
DEFINING SUMMARY DATA .................................................................................................................................................28 
1 Summary Data –None.......................................................................................................................................................28 
2 Summary Data –Consumption.......................................................................................................................................28 
3 Summary Data –Maximum..............................................................................................................................................29 
4 Summary Data –Minimum ..............................................................................................................................................29 
SETTINGS - DEVICES ................................................................................................................................................................30 
1 Section 1 ..................................................................................................................................................................................31 
2 Section 2 ..................................................................................................................................................................................31 
3 Section 3 ..................................................................................................................................................................................32 
SETTINGS - EVENTS..................................................................................................................................................................34 
1 I/O Events................................................................................................................................................................................34 
2 Events........................................................................................................................................................................................35 
3 Condition set according to the maximum value acquired ..................................................................................36 
4 Condition set according to the minimum value acquired ...................................................................................37 
5 Condition set according to the value out of range ................................................................................................38 
6 Condition set according to the Consumption threshold .....................................................................................39 
EXPORTING DATA.....................................................................................................................................................................40 
1 Create Reports.......................................................................................................................................................................40 
2 Example of RAW data in xls format ..............................................................................................................................42 
3 Example of Summary data in .xls and .csv format...................................................................................................43 
4 Planning ...................................................................................................................................................................................43 
5 Repository ...............................................................................................................................................................................44 
ACCOUNT DATA........................................................................................................................................................................45 
PLANT STATUS ...........................................................................................................................................................................46 
1 Devices .....................................................................................................................................................................................46 
2 Event summary......................................................................................................................................................................48 
APPENDIX.....................................................................................................................................................................................49 
1 ROUTER Configuration.......................................................................................................................................................49 
 
 

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1. INTRODUCTION

1.1 Purpose of the document

This document is a guide to the installation, configuration, and commissioning of the EQUOBOX RTU, code

SIN.EQRTU3, hereinafter referred to as RTU. This document is intended for technical personnel with an average

knowledge of electrical engineering, IT, basic TCP/IP principles, and M-Bus systems.

The RTU has an embedded webserver and is a datalogging and consumption monitoring system for heating

and cooling systems equipped with meters that communicate using the ModBus protocol.

Please read carefully the following notes

•Place the system Firewall under covered and isolate it from the corporate network

•For remote access to the machine, we recommend the use of secure technologies such as Virtual Private

Networks (VPNs), recognizing VPN in the most secure way to connect to the device

The first section of this guide is dedicated to the description of the technical specifications of the RTU and its

commissioning. We will describe how to commission the plant, scanning and adding meters. Then, we will

describe the advanced configuration via web interface and, finally, how to generate consumption reports and

plans.

1.2 Content of the packaging

The RTU packaging contains:

•RTU datalogger

•Installation leaflet

2. RTU TECHNICAL DATA

The RTU is a hardware device with no moving parts, made in compliance with industrial standards, which can

be DIN-rail mounted inside an electrical panel. The main technical specifications of the device are shown below:

•Operating temperature range: [-20.. / +55 °C]

•Storage temperature range: [-25.. / +65 °C]

•Protection Rating: IP20 (EN60529)

•Fastening: 35mm DIN bar (EN60715)

•Dimensions: 4 DIN modules (90x72x62)

•Power Supply: 24Vdc +/- 10%, 24Vac (min 20Vac, max 40Vac)

•Power consumption: Max 3W

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3. RTU APPEARANCE

3.1 Description of the RTU

The RTU is one of the two dataloggers of the EQUOBOX family. The main functional features described in this

document are summarised below:

•Webserver-based datalogger

•Manages up to 250 M-Bus meters

•4GByte internal memory

•Data logfile of daily synthetic data for up to 10 years

•Daily readout logfile for 1 year

•Data logging interval between 15 minutes and 24 hours

•Remote system management, meter readout, report sending, alarm management, and event

management

•9-24 Vac/ Vdc power supply or Power Over Ethernet

•3 digital inputs for logic control and remote control

•2 relay outputs (Max 2A@230Vac) for logic control and remote control

•Maximum power consumption: 3W

•DIN rail mount (4 modules)

•128x96 pixel OLED display for local consultation and configuration

•6-key membrane keyboard

3.2 RTU

An image of the RTU with its main functional parts is shown below:

Figure 1 - View of the RTU

A. Display (16-level grayscale)

B. Navigation button (ESC)

C. 5-key navigation keyboard (UP-DOWN-LEFT-RIGHT-OK)

D. Operating status LEDs

E. Ethernet Port 1 (PoE)

F. Ethernet Port 2

G. ModBus devices connector

H. Power supply input connector

I. Output connector to relay 1 (normally open contact)

J. Output connector to relay 2 (normally open contact)

K. Digital input connector

L. Auxiliary voltage output connector for digital inputs

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4. GENERAL INFORMATION ABOUT ModBus ARCHITECTURE

4.1 System overview

ModBus is a serial communication protocol created by Modicon in 1979 . It became standard in industrial

communication , and is currently one of the most popular connection protocols in the world between industrial

electronic devices. The main reasons for such a high usage compared to other ModBus communication

protocols are:

•It is a protocol openly published and royalty-free

•Move raw bits and words without placing many restrictions on producers

The protocol defines the format and the communication mode between a "master" who manages the system

and one or more "slaves” that respond to the master. The Protocol defines how the master and the slaves and

disrupt communication, such as transmitter and receiver must be identified, such as messages need to be

exchanged and how the errors detected.

Only the master can start a transaction that can have the question/answer format directly to a single slave or

broadcast when the message is sent to all devices on the line that give no response. A transaction consists of

a single structure question/single answer or a single broadcast message/no answer. Some features of the

protocol are:

•Baud rate

•Parity

•Number of stop bits

•and size RTU (binary)

As mentioned above the transactions always involve the ModBus master, which operates the line, and one

slave at a time (except in the case of broadcast messages). To identify the recipient of the message is sent as

the first character a byte containing the numeric address of the selected slave device. Each slave will then be

assigned a different number of address that uniquely identifies it. Admissible address are from 1 to 254 , while

the address 0, which can’t be assigned to a slave, place on top of the message sent by the master indicates

that it is "broadcast", that is directed to all slaves simultaneously.

Below is showed a standard architecture for the physical connection of n ModBus devices.

Figure 2 - System architecture

In the RS485 signal cable laying be careful to

•Pass the cable away from the power cables to avoid interference EMI

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•Avoid the creation of star node

•Respect the distances as shown in the figure below

Figure 3 - Distance/Baudrate Ratio

To avoid / attenuate any EMI interference present in the field, we recommend using a cable

•AWG 20/22

•Characteristic impedance of 120 Ω

•Multi strand copper conductors, twisted

•Presence of braided shielding and protective insulation

4.2 Addressing

For addressing the single ModBus device always refer to the owner's Instruction manual

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5. INSTALLATION

Carefully follow these instructions to install the device, in order to be able to commission the system in the

best possible way. The device must be installed by qualified personnel, specialised in the installation of electrical

equipment.

5.1 Mechanical assembly

This device has been designed to be DIN-rail mounted; therefore, no other mounting options are allowed. The

DIN-rail mount consists of the following steps:

•Fasten the DIN rail to the bottom of the electrical panel (if it is not already provided with it)

•Remove all the terminals of the device before hooking it on the DIN rail

•Place the recess at the bottom of the device on the upper part of the DIN rail, keeping it at a 45° angle

with the rail. Turn the device until it engages with the rail.

Carefully read the following notes

To prevent mechanical stress on the terminals, which could damage the device, it is important to wire the terminals

disconnected from the device. Follow these instructions:

•Remove the terminals from the device pulling outwards

•Tighten the cables to the removed terminal complying with the right polarity

•Reinsert the terminal with the cables placing it in its correct position

5.2 Electrical installation

Verify the following before commissioning the device:

•Ensure that the electrical panel where the device is installed is powered off

•Verify the presence of power supply protection devices (fuses, circuit breakers, differential switches)

•Ensure that the supply voltage is within the operating limits of the device and that the supply power

is enough to ensure the proper operation of all the devices connected to it, verifying the maximum

power consumption of each one of them

•If you opt for a PoE (Power Over Ethernet), ensure that the network cable is connected to Eth1 and

that the PoE switch is suitable for the device.

•Ensure that the LC is connected properly to the M-Bus network and to the supply voltage (refer to the

installation manual)

•Ensure that the RTU is connected properly to the LC via the serial bus marked A-B-C

•Ensure that the modem router (if any) is installed according to the instructions of the manual

•In the event of data connection, ensure that the Ethernet cable is crimped properly and connected to

Eth1 or Eth2

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5.3 Connection to a local PC via Ethernet (LAN)

The device is equipped with two Ethernet ports ETH1 and ETH2 to connect it to a PC either connected to a LAN

network or directly via an Ethernet cable.

Figure 4 - LAN connection

To connect the device directly or via the LAN network of a PC, follow the instructions below:

•Use a standard T568A or T568B Ethernet cable (straight through or crossover) to connect the ETH1

or ETH2 port of the RTU to the Ethernet port of the computer or to an existing LAN socket. If you

use an existing LAN, connect the computer to another LAN socket

•Verify the RTU IP address from the display by accessing the RTU INFO menu (Chapter 8.3) and

ensure that that the ETH icon corresponding to the Ethernet connection indicates that the cable is

connected properly

Figure 5 - LAN configuration

The default RTU network settings are:

•IP address: 192.168.1.110

•Netmask: 255.255.255.0

•IP allocation: Static

•Configure the PC network interface with an IP address that belongs to the same subnet as the RTU.

The example in the figure shows that, in order for the computer to communicate via Ethernet with the

RTU, you must configure the IP address of the computer network adapter to which the RTU is

connected:

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•IP address: 192.168.1.XXX (With XXX being a number ranging between 1 and 254 and different

than 110)

•Netmask: 255.255.255.0

•IP allocation: Static

•To change the IP address of the computer network adapter, refer to the user manual of the Operating

System of your PC

•In the event that the PC and the RTU are connected via an existing LAN (company or domestic

network), make sure not to allocate the IP address of the RTU or of the PC

•For instructions on how to change the IP address of your PC, refer to your current OS

5.4 Connection to a GPRS-UMTS modem/router

A data connection to access the Internet ensures remote consultation of the webserver, sending of

consumption reports, and monitoring of the system. Should a LAN/ADSL connection not be available, you must

use a modem/router supplied as an option of the RTU.

The default settings of the RTU and SIN.ROUTER allow the connection of the two devices without having to

change their network parameters. The router is configured to use a TIM (Telecom Italia Mobile) SIM. In this

case, the user must carry out the following operations:

•Power off the router.

•Remove the front panel where the place to insert the SIM is indicated

•Ensure that the SIM PIN is disabled

•Insert the data SIM in the right direction

•Close the front panel

•Fasten the two GSM MAIN and AUX antennas to ensure sufficient transmission signal

•Wait for the router to connect to the mobile network

•Use a network cable to connect port LAN1 of the router to port ETH1 or ETH2 of the RTU

•Verify that the Internet connection is OK from the display (section RTU INFO, Chapter 8.3)

Should a TIM SIM not be available, the operator will have to change some router settings:

•Verify whether it is a Machine-To-Machine (M2M) SIM

•It is enabled for GPRS/UMTS traffic

•Check with the operator that it is bidirectional. i.e. that it allows access to port 80 for webserver

consultation

•Change the APN of the router with the one provided by the operator (e.g. ibox.tim.it /

m2mbis.vodafone.it)

Refer to the Appendix (Chapter 20) for in-detail information on router settings.

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