Teracom TCW210-TH Manuale utente

TCW210-TH-R1.2 - January 2018 Page 1

1. Introduction

TCW210-TH is a temperature and humidity data logger with an embedded WEB server. Real-time

data and charts of temperature, humidity and dew point can be monitored with a standard web

browser (no special software is needed). Standard protocols as SNMP, MODBUS/TCP, and HTTP/API

are available for M2M applications. The device supports also interface to popular IoT analytics –

ThinkSpeak.

The Ethernet temperature logger supports up to eight temperature or humidity-temperature

sensors. All they can be connected either to the 1-Wire interface, popular for home automation or

to more robust MODBUS RTU over RS-485.

All monitored parameters can be recorded, in internal FLASH memory. The records are made on the

previous set time interval and/or on an alarm condition. The memory is large enough for at least 36

days with records on every minute. The log file can be periodically uploaded on a dedicated server

by HTTP Post.

For every monitored parameter e-mails and SNMP traps for up to 5 recipients can be sent. Alarm

alert can also be sent by HTTP Post with XML/JSON status files.

2. Features

Data logger for up to 70000 records;

1-Wire and MODBUS RTU sensors support;

HTTP API commands;

Periodical HTTP Post of XML/JSON status files for client-server systems;

SNMP v.2 support;

SNMP traps to up to 5 recipients like alarm alert;

MODBUS TCP/IP support;

SMTP with TLS encryption;

e-mails to up to 5 recipients like alarm alert;

ThinkSpeak service support;

NTP support;

Back-up/Restore of configurations;

Dynamic DNS support;

10/100 Mb Ethernet connectivity;

Auto-MDIX;

Port changing for HTTP, SNMP and MODBUS TCP/IP;

Password protected WEB based configuration and control;

Extended working temperature range;

Wide power supply voltage range;

Remote firmware update.

TCW210-TH-R1.2 - January 2018 Page 2

3. Applications

TCW210-TH is suitable for environmental monitoring, building, and industrial automation.

It works very well for monitoring temperature and humidity as a standalone device using a WEB

browser only or as a part of small to large industrial control systems for SCADA (supervisory control

and data acquisition).

A few application example - pharmaceutical and food processing and storage, clean rooms,

laboratories, HVAC systems, greenhouses and farms, electronic assembly etc.

4. Technical parameters

Supply voltage, VDC

10 - 32

Maximum current, mA

170@12VDC

Weight, g

140

Dimensions, mm

130 х70 х30

Operating temperature, °C

-20 to +55

Maximum humidity, %RH

70 (non-condensing)

Supply voltage for 1-Wire bus, VDC

5.0 ± 0.3

Supply voltage for RS-485 bus, VDC

5.0 ± 0.3

Maximum output current for 1-Wire and RS485 buses, A

0.2

5. LED indicators

The following indicators show the status of the controller:

PWR (red) –in working mode shines, flashes together with STS if there is a hardware

error;

STS (yellow) –flashes when the main program of the controller is executed;

NET (orange) –indicates the network connection status - ON when a link is established,

flashing when there is an activity.

6. Installation and setup

This device must be installed by qualified personnel.

This device must not be installed directly outdoors.

The installation consists of mounting the device, connecting to an IP network, connecting inputs and

outputs, providing power and configuring via a web browser.

6.1. Mounting

TCW210-TH should be mounted in a clean and dry location on a not flammable surface.

Ventilation is recommended for installations where the ambient air temperature is expected to

be high.

Maintain spacing between adjacent equipment. Allow 50 mm of space on all sides, as shown in

Appendix A, this provides ventilation and electrical isolation.

6.2. Connection

Attention! Disconnect power supply before wiring.

The correct wiring procedure is as follows:

Make sure power is turned off;

Apply all sensors;

Apply power.

Make sure that cables are properly attached. Not proper wiring and configuration can cause

permanent damage to TCW210-TH or the equipment to which it is connected or both.

TCW210-TH-R1.2 - January 2018 Page 3

Connector 1

Ethernet - RJ45

Connector 4

Pin1 –not connected (most left)

Connector 2

Power - central positive

Pin2 –not connected

Connector 3

Pin1 –GND (most left)

Pin3 –not connected

Pin2 –GND

Pin4 –Line B-

Pin3 –1-Wire Data

Pin5 –Line A+

Pin4 –1-Wire GND

Pin6 –not connected

Pin5 –+VDD

Pin7 –+VDD

Pin6 –+VDD (most right)

Pin8 –GND

6.2.1. Power supply

TCW210-TH is designed to be supplied by adapter SYS1421-0612-W2E or similar, intended for

use in the conditions of overvoltage category II, and prior assessed for compliance with safety

requirements. The power supply equipment shall be resistant to short circuit and overload in

a secondary circuit.

When in use, do not position the equipment so that it is difficult to disconnect the device from

the power supply.

6.2.2. 1-Wire interface

1-Wire is a registered trademark of Maxim Integrated Products, Inc. It is designed to connect

several sensors over a short wiring. It is not suitable for long distances or environments with

EMC interference.

The maximum number of sensors (1-Wire or RS-485) connected to TCW210-TH is 8.

The device supports temperature and humidity-temperature sensors. Connected sensors are

automatically detected and appropriate dimension is assigned.

It is strongly recommended to use “daisy-chained” (linear topology) for multi-sensors systems:

TCW210-TH-R1.2 - January 2018 Page 4

It is strongly recommended to use only UTP/FTP cables and keep total cable length up to 30m.

Although functionality has been achieved in the longer distance, we cannot guarantee error-

free operation over mentioned wiring length. We recommend reading Maxim’s 1-Wire tips at

http://www.maxim-ic.com/app-notes/index.mvp/id/148.

We guarantee proper operation only with Teracom 1-Wire sensors.

6.2.3. RS-485 interface

RS-485 is a standard for serial communications systems defined by Telecommunications

Industry Association (TIA) and Electronic Industries Alliance (EIA). Implementing the standard,

communication systems can be used effectively over long distances and in electrically noisy

(industrial) environments.

The maximum number of sensors (1-Wire or RS-485) connected to TCW210-TH is 8.

The device supports temperature and humidity-temperature sensors.

MODBUS RTU protocol specifies that address of the device should be between 1 and 247. The

user should take care of appropriate address settings.

For multi-sensors systems “daisy-chained” (linear topology) should be used:

Interconnections are realized by UTP/FTP cables with RJ-45 connectors. The popular Ethernet

wiring standard ANSI/TIA/EIA T568B is used:

It is recommended to use standard patch cables for LAN networks.

Special attention should be paid on termination of the bus in the last sensor.

We recommend keeping total cable length up to 30 m, although the RS-485 interface works

over much longer distance.

Pin# RJ45

Orange/White Tracer

Orange

Green/White Tracer

Blue

Blue/White Tracer

Green

Brown/White Tracer

Brown

TCW210-TH-R1.2 - January 2018 Page 5

Attention!

Special attention should be paid on termination of the bus.

The last sensor in the chain should have a terminator installed on the free RJ-45 socket.

6.2.4. Network connection

The Ethernet port of TCW210-TH should be connected to 10/100 Base-T Ethernet hub, switch

or router.

For setup, TCW210-TH may be connected directly to the Ethernet port on a computer. The

device support Auto-MDIX and it is not necessary to use “crossover” cable, standard “straight-

through” can be also used.

TCW210-TH can be used in a wireless network by connecting through a wireless router.

TCW210-TH-R1.2 - January 2018 Page 6

6.3. Communication setup

By default TCW210-TH is delivered with the following network settings:

IP address: 192.168.1.2, Subnet Mask: 255.255.255.0, Default Gateway: 192.168.1.1

Communication with TCW210-TH can be established by assigning a temporary IP address to the

computer. For computers with Windows OS assigning of IP address is made in “Local area

connection properties”:

The address should be on the same network - for example 192.168.1.3:

To get access to the web interface, you should type http://192.168.1.2 into the browser:

TCW210-TH-R1.2 - January 2018 Page 7

If the network settings are correct, the login pop-up window will appear:

All TCW controllers connected to LAN can be easily found by the free tool “TCW discoverer”.

It is available for Win and Mac operating systems and can be downloaded from

www.teracomsystems.com.

7. Web interface

The web interface allows configuration, monitoring, and control. All pages are UTF-8 encoded.

If the controller is properly addressing, login pop-up window appears.

Authorization data must be entered (by default username=admin, password=admin).

It is recommended to change the username and password to prevent unauthorized access to the

controller.

The controller supports a few active session.

7.1. Monitoring

Monitoring page displays the current state of TCW210-TH. It has one data and four graphs tabs.

7.1.1. Data

The current state of TCW210-TH can be monitored on this page.

All detected 1-Wire/MODBUR RTU sensors are shown in this section.

Detection is made either after power on or by button “Scan for new sensors”. All found

sensors are shown in ascending order refer their unique ID number.

For every sensor, there are a description, value, and ID information. The description length is

up to 15 characters. Default descriptions can be changed in “Setup-Conditions”.

Dual sensors (humidity-temperature) have the two parameters. For these sensors, Dew point

parameter is calculated automatically.

It is possible to lock sensors in a specific position. To do this all sensors should be added one

by one. After every addition, a new scan should be made and newly found sensor should be

locked in its position. If all sensors are locked, removing one “in the middle” will not change

the positions of other sensors after reset. This option is very useful when TCW210-TH is used

as a part of monitoring and control system managed either by SNMP or HTTP API commands.

TCW210-TH-R1.2 - January 2018 Page 8

The page can be automatically refreshed on an interval of 0 to 253 seconds. Zero means no

automatic refresh. This parameter is set in section Setup->System->Monitoring page

automatic refresh. By default, it is 1 second.

7.1.2. Graphs

Every graph page can display up to 4 parameters with up to 2 different dimension.

For every parameter different color can be set. There are a few checkboxes for display

modification.

Export of monitored parameters can be made from the page.

7.2. Setup

7.2.1. Network

The network parameters are set on this page.

The controller supports static and dynamic IP addresses.

It is good practice to change the default IP address of controller immediately after first power-

on. This will avoid collisions if many devices are used on the same network.

TCW210-TH-R1.2 - January 2018 Page 9

It may be necessary to clear the arp cache, each time you connect a new device to the

network. This is done by typing arp -d in the command prompt window of the computer.

The “Hostname” is up to 15 characters. It is shown in search results of TCW discoverer.

7.2.2. SMTP

This page is used to enter valid SMTP settings for email alerts and recipients’ addresses.

7.2.2.1. SMTP setup

Mail server address can be set either by hostname (for example smtp.mail.yahoo.com) or

by IP address.

By default, without encrypted connection, SMTP port is 25. Ask ISP if default port doesn’t

work.

Sender e-mail, username, and password are standard authentication details. For the most

SMTP servers, sender e-mail and username are the same.

There is a button for server settings test with a feedback. In this test sender and recipient

of the e-mail is the same.

Transport Layer Security protocol is used for secure communication with public mail

servers. The device supports –TLS 1.0, TLS 1.1 and TLS 1.2 with

RSA_WITH_AES_128_GCM_SHA256 and RSA_WITH_AES_128_CBC_SHA cipher suites. This

ensures successful operation with almost all public servers.

7.2.2.2. Alarm destination

Up to 5 mail recipients can be set. All they can be activated independently by a checkbox.

7.2.2.3. E-mail details

The subject, body header, body and body footer can be customized. For this customization,

a set of keys is used. All they are described on the page.

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