User Guide for ENGO CONTROLS models including: E10-MBUSW, E10-MBUSB, E10-MBUSW E10-MBUSB Wi-Fi MODBUS Thermostat, E10-MBUSW E10-MBUSB, Wi-Fi MODBUS Thermostat, MODBUS Thermostat, Thermostat

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E10-MBUSW - ENGO Controls

[PDF] Introduction Connection description Installation of the Wi-Fi ...

An internet, flush-mounted temperature controller that enables energy-efficient control of heating. (any type) and cooling. Designed to be controlled.

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E10-MBUSB - ENGO


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E10-MBUS QG-A3 ENG V1.1
MODBUS
Wi-Fi, MODBUS Thermostat

E10-MBUSW

E10-MBUSB
Quick Guide

Ver. 1.0 Release date: VII 2024
Soft: Main module: v2.0.2
MCU: v0.4.1

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Producer: Engo Controls sp. z o.o. sp. k.
Rolna 4 St. 43-262 Kobielice
Poland
www.engocontrols.com

Product Compliance
This product complies with the following EU Directives: 2014/30/EU, 2014/35/EU, 2014/53/EU, 2011/65/EU.
SAFETY INFORMATION
Use in accordance with national and EU regulations. Use the device only as intended, keeping it in a dry condition. The product is for indoor use only. Please read the entire manual, before installation or use.
Installation:
Installation must be performed by a qualified person with appropriate electrical qualifications, in accordance with the standards and regulations in force in a given country and in the EU. The manufacturer is not responsible for non-compliance with the instructions.
WARNING:
For the entire installation, there may be additional protection requirements, which the installer is responsible for.

Connection description
a) Connection diagram for heating source

A+/B- Terminals Modbus RS-485
230V Thermostat

Heating source *

A+ B- NO COM L N

L AC 230V N

c) Connection diagram to the control box

230V Thermostat

A+ B- NO COM L N

A+/B- Terminals Modbus RS-485

N

L Control box

SL..

1 - 8 Zones

b) Connection diagram for pump / actuator

A+/B- Terminals Modbus RS-485
230V Thermostat

max. 3(1)A

A+ B- NO COM L N

L AC 230V N PE

Legend:
Heating source - Boiler connection* Boiler's contacts for ON/OFF thermostat (according to the boiler's instructions) Pump
Valve
L, N Pover supply
COM, NO Voltage-free output
A+,B- Modbus RS-485 terminals
SL.. 230V control input in the control box
Fuse

Introduction

Products features

An internet, flush-mounted temperature controller that enables energy-efficient control of heating (any type) and cooling. Designed to be controlled wirelessly over a Wi-Fi Internet network or by wires over RS-485 Modbus communication protocol. Can operate according to user settings stored in the ENGO Smart mobile app, which allows control of device parameters from anywhere in the world (e.g. selection of min. and max. set temperature, key lock). Without connection to the app, it works as a non programmable thermostat.

Modbus RS-485 communication compatibility with the ENGO Smart application (in Tuya Cloud technology)
Wi-Fi 2.4 GHz communication standard TPI algorithm ideal for underfloor heating
voltage-free output possibility to set the minimum and maximum setpoint temperature range cooling mode control of underfloor heating or heat source

Technical data

Power supply Max current Setpoint temp.range Display temp. accuracy Control algorithm Communication Input A+/BOutput control Protection class Dimmension [mm]

230V AC 50 Hz 3(1)A
5,0°C to 45,0°C 0,1°C
TPI or Histeresis (±0,1°C to ±2°C) Wi-Fi 2,4GHz Modbus RS-485
COM / NO (voltage-free) IP30
86 x 86 x 39 mm (14 after mounting in a box with a diameter of 60)

LCD icon description + Button description

12

34

5 6

1. Heating mode 2. Cooling or frost protection mode 3. Connection with Internet 4. Connection with Wi-Fi 5. Temperature unit 6. Current / setpoint room temperature

1

32

1. "DOWN" button 2. "UP"button 3. "RESTART"button

Change the parameter value up

Change the parameter value down

Enter the pairing mode - hold until the PA message appears

+

Factory reset - hold until the FA message appears.

Intensity of the night LCD backlight (Ambient Backlight) - hold until Ab message appears, then release the keys and choose the intensity in the range of 0 - 10

RESTART Pressing this key will restart the thermostat (the button should be clicked with a pin)

Ambient backlight
Ambient Backlight is a subtle LCD backlight very helpful in darkened rooms. The subtle glow provides a room temperature reading in nighttime conditions.

Installation of the Wi-Fi thermostat in the app
Make sure your router is within range of your smartphone. Make sure you are connected to the Internet. This will reduce the pairing time of the device.

STEP 1 - DOWNLOAD ENGO SMART APP
Download the ENGO Smart app from Google Play or Apple App Store and install it on your smartphone.

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STEP 2 - REGISTER THE NEW ACCOUNT

To register a new account, please follow the steps below:

1

2

3

4

Click,,Sign Up"to create new account.

Enter your e-mail address to which the verification code will be
sent.

Enter the verification code received in the email.
Remember that you only have 60 seconds to enter
the code!

STEP 3 - CONNECT THE THERMOSTAT TO WI-FI

Then set the login password.

After installing the app and creating an account:

1

2

3

3 sec.

3 sek.

On your mobile device, make sure the Make sure the thermostat is ENGO Smart has access to permissions powered on. Then press and hold (Location, Bluetooth, Nearby devices). the buttons on the thermostat for Then turn on Bluetooth and Location. approx. 3 seconds until the display Connect to 2.4GHz Wi-Fi network to shows,,PA". Then release the keys. which you want to assign the device. The pairing mode will be started up.

4

5

WI-FI 2.4GHz ********

In the app, select: ,,Add Device".
6

After finding the thermostat, go,,Add".
7

Select the Wi-Fi network in which the thermostat will operate and enter
the password of this network.
8

Wait for the app to configure the thermostat with the selected
Wi-Fi network

Go ,,DONE"

The thermostat has been installed and displays the main interface.

General information about MODBUS RTU
The MODBUS RTU structure uses a master-slave system to exchange messages. It allows a maximum of 247 slaves to be connected, but only one master. The master controls the operation of the network and only it sends the request. The slaves do not undertake the transmission themselves. Each communication starts with the master making a request to the Slave, which responds to the master with what has been asked of it. The master (computer) communicates with the slaves thermostats in two-wire RS-485 mode. This uses data lines A+ and B- for data exchange, which MUST be one twisted pair

master

SLAVE 1

SLAVE 2

SLAVE X

No more than two cables can be connected to each terminal, ensuring that a`Daisy Chain'(in series) or`straight line' (direct) configuration is used. Star or network (open) connection is not recommended as reflections within the cable can cause data corruption.
Daisy Chain (serial connection)

Star connection

Net connection

MODBUS RTU network operation - Slave mode
The Engo MODBUS controller has the following characteristics when operating as a slave device in a MODBUS RTU network: - Network connection via RS485 serial interface. - Address, communication speed and byte format defined by hardware configuration. - Allows access to all tags and data used in the controller ladder program. - 8-bit slave address - 32-bit data size (1 address = 32-bit data return) - each MODBUS data register has a size of 2 bytes.

ATTENTION: Before the controller is connected to the RS-485 network, it must first be properly configured. The controller's communication parameters can be set in two ways: - through configuration from the ENGO Smart application - or by connecting it to a MASTER computer (e.g. via a USB/RS-485 converter)
ATTENTION: Connecting unconfigured controllers to the RS-485 network results in their incorrect operation.

RS-485 communication settings of the controller in the app

To access Modbus settings in the controller, follow these steps:

1

2

3

In the application select: ,,Modbus".

Confirm with,,Next".

In Modbus settings you can edit the parameters.

RS-485 communication settings

Parameter

Description

Value

Default value

Adress Baud Data

MODBUS Slave device address (ID). Baud
Data bites

1-247
1 = 4800 2 = 9600 3 = 19200 4 = 38400
8 bits

Parity StopBit Response delay Response timeout

Parity bit - sets data parity for error detection
Stop bits
The minimum time from when a slave receives a request until it returns a response. This makes it possible to send data to free masters without
overloading the recipient.
The maximum time to wait to receive a response from the slave device.

0 = lack 1 = even 2 = odd 1 = 1 stop bit 2 = 2 stop bit
0-255 ms.
0,1-25,5 seconds

Interframe spacing

At least 3.5 characters (28 bits) of silence between frames.

3,5-25 signs

E10 MODBUS supports the following function codes:
#03 - reading n registers (Holding Registers) #04 - reading n registers (Input Registers) #06 - write 1 register (Holding Register)
INPUT registers - read only

Adress Access Description

Value range

Means

1 2 8 0 1 0 10 3.5
Default

1

0x0001

R (#03)

Firmware Version

0x00010x9999

0x1110=1.1.10 (BCD code)

0b00000000=Idle, switch OFF

2

0x0002

R (#03)

Working state

0b10000001=Heating 0b10000010=Heating & Frost protection 0b10001000=Cooling

0xff

0b00001000=Idle, sensor error

3

0x0003

R (#03)

Value of the Integrated temperature sensor, °C

50 - 450 N-> temp=N/10 °C

12

0x000C

R (#03)

Fault information

0 - No alarm 0,1,2 1 - No connection to the cloud
2 - No connection to Wi-Fi network

0

0 - No alarm

13

0x000D

R (#03)

Alert message - problems with
the internal temperature sensor

1 - Temperature measured below 5C (LO) 0,1,2,3,4 2 - Temperature measured above 45C (HI)
3 - Short circuit in the internal temperature sensor circuit

0

4 - break in the internal temperature sensor circuit

HOLDING registers ­ for reading and writing

Adress Access

Description

Value range

Means

0

0x0000

R/W (#04)

Engo MODBUS - online ID number

1-247 ID

257

0x0101

R/W (#06)

258

0x0102

R/W (#06)

262

0x0106

R/W (#06)

Power on/off Operation mode
Child lock

0,1 0,1,2,3
0,1

0=OFF 1=ON
0=Manual mode 1=Program mode 2=Holiday mode 3=Frost mode
0=Unlocked 1=Locked

263

0x0107

R/W (#06)

Backlight brightness

0-100 N-> Brightness=N%

264

0x0108

R/W (#06)

Ambient Backlight Level

265

0x0109

R/W (#06)

Control type

268

0x010C

R/W (#06)

Clock minutes

0-10 N-> Bridgness=N%
0 = TPI UFH, 1 = TPI RAD, 0-10 2 = TPI ELE, 3 = Histeresis 0.2 (+/-1C).... ... 10 = Histeresis 4.0 (+/-2C)
0-59 Minutes

269

0x010D

R/W (#06)

Clock hours

0-23 Hours

270

0x010E

R/W (#06)

Clock Week Day (1=Monday)

1~7 Week day

273

0x0111

R/W (#06)

Setpoint temp in program mode

50-450 N-> temp=N/10 °C

274

0x0112

R/W (#06)

Setpoint temp in manual mode

50-450 N-> temp=N/10 °C

275

0x0113

R/W (#06)

Frost protection setpoint

50 N->temp=N/10 °C

279

0x0117

R/W (#06)

Max setpoint temp

50-450 N-> temp=N/10 °C

280

0x0118

R/W (#06)

Min setpoint temp

50-450 N-> temp=N/10 °C

285

0x011D

R/W (#06)

Offset temperature -3.5...3.5°C in steps of 0,5C

287

0x011F

R/W (#06)

Relay type

0,1

0 = NO 1 = NC

288

0x0120

R/W (#06)

Heating/Cooling Selection

0,1

0 = Heating 1 = Cooling

Default 1 1 0 0 60 0
0
0 0 3 210 210 50 350 50 0 0 0

Factory reset
To RESET Thermostat to factory settings, hold down the & buttons until the FA message appears. Then release the keys.
Thermostat will restart, restore default factory settings and displays the home screen. The device will be also removed from app. Factory reset can be done within 5 minutes after power supply connection. If thermostat is connected longer - factory reset cannot be performed.

8 sec.

8 sec.



References

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