ENGO CONTROLS E10-MBUSW, E10-MBUSB Wi-Fi MODBUS Thermostat
Specifications
- Product: MODBUS Wi-Fi, MODBUS Thermostat
- Model: E10-MBUSW, E10-MBUSB
- Release Date: VII 2024
- Main Module Software Version: v2.0.2
- MCU Version: v0.4.1
- Manufacturer: Engo Controls sp. z o.o. sp. k.
- Compliance: EU Directives 2014/30/EU, 2014/35/EU, 2014/53/EU, 2011/65/EU
Product Usage Instructions
Safety Information
- Use the device according to national and EU regulations.
- Keep the product dry and for indoor use only. Read the entire manual before installation or use.
Installation
Installation must be done by a qualified person with appropriate electrical qualifications following standards and regulations. Additional protection requirements may be needed for the entire installation.
Connection Description
Refer to the connection diagrams provided in the manual for connecting the thermostat to the heating source, control box, and pump/actuator.
Introduction
The thermostat features Modbus RS-485 communication compatibility with the ENGO Smart application, Wi-Fi 2.4 GHz communication, TPI algorithm for underfloor heating, voltage-free output, temperature range setting, cooling mode control, and more.
Technical Data
- Power Supply: 230V AC 50 Hz
- Max Current: 3(1)A
- Setpoint Temp. Range
- Display Temp. Accuracy
- Control Algorithm
- Communication: Modbus RS-485
- Input/Output Control: A+/B-
- Protection Class: IP30
- Dimension: 86 x 86 x 39 mm (14 after mounting)
Frequently Asked Questions
Q: Can the thermostat be used for outdoor installations?
A: No, the product is intended for indoor use only.
Q: How do I reset the thermostat to factory settings?
A: Press and hold the factory reset button until the “FA” message appears on the display.
Q: What is the Ambient Backlight feature?
A: Ambient Backlight provides a subtle glow on the LCD display for reading room temperature in darkened conditions.
Introduction
- 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 a connection to the app, it works as a non-programmable thermostat.
Products features
Technical data
| Power supply | 230V AC 50 Hz |
| Max current | 3(1)A |
| Setpoint temp.range | 5,0°C to 45,0°C |
| Display temp. accuracy | 0,1°C |
| Control algorithm | TPI or Histeresis (±0,1°C to ±2°C) |
| Communication | Wi-Fi 2,4GHz |
| Input A+/B- | Modbus RS-485 |
| Output control | COM / NO (voltage-free) |
| Protection class | IP30 |
| Dimension [mm] | 86 x 86 x 39 mm (14 after mounting in a box with a diameter of 60) |
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 per 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, per 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
- b) Connection diagram for pump/actuator
- c) Connection diagram to the control box
Legend:
- Heating mode
- Cooling or frost protection mode
- Connection with Internet
- Connection with Wi-Fi
- Temperature unit
- Current / setpoint room temperature
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.
- Download the ENGO Smart app from Google Play or Apple App Store and install it on your smartphone.
- STEP 2 – REGISTER THE NEW ACCOUNT
- To register a new account, please follow the steps below.
- Click „Sign Up” to create a 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!
- Then set the login password.
- To register a new account, please follow the steps below.
- STEP 3 – CONNECT THE THERMOSTAT TO WI-FI
After installing the app and creating an account:
- On your mobile device, make sure the ENGO Smart has access to permissions (Location, Bluetooth, Nearby devices). Then turn on Bluetooth and Location. Connect to the 2.4GHz Wi-Fi network to which you want to assign the device.
- Make sure the thermostat is powered on. Then press and hold the buttons on the thermostat for approx. 3 seconds until the display shows „PA”. Then release the keys. The pairing mode will be started up.
- In the app, select: „Add Device”.
- After finding the thermostat, go to „Add”.
- Select the Wi-Fi network in which the thermostat will operate and enter the password of this network.
- 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 requesting 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
- 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)
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 are 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.
RS-485 communication settings
| Parameter | Description | Value | Default value |
| Adress | MODBUS Slave device address (ID). | 1-247 | 1 |
| Baud | Baud | 1 = 4800
2 = 9600 3 = 19200 4 = 38400 |
2 |
| Data | Data bites | 8 bits | 8 |
| Parity | Parity bit
– sets data parity for error detection |
0 = lack
1 = even 2 = odd |
0 |
| StopBit | Stop bits | 1 = 1 stop bit
2 = 2 stop bit |
1 |
| Response delay | 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. | 0-255 ms. | 0 |
| Response timeout | The maximum time to wait to receive a response from the slave device. | 0,1-25,5 seconds | 10 |
| Interframe spacing | At least 3.5 characters (28 bits) of silence between frames. | 3,5-25 signs | 3.5 |
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
| Address | Access | Description | Value Range | Means | Default | |
| 1 | 0x0001 | R (#03) | Firmware Version | 0x0001-
0x9999 |
0x1110=1.1.10 (BCD code) | |
| 2 | 0x0002 | R (#03) | Working state | 0b00000000=Idle, switch OFF 0b10000001=Heating 0b10000010=Heating & Frost protection 0b10001000=Cooling 0b00001000=Idle, sensor error | 0xff | |
| 3 | 0x0003 | R (#03) | Value of the Integrated temperature sensor, °C | 50 – 450 | N-> temp=N/10 °C | |
| 12 | 0x000C | R (#03) | Fault information | 0,1,2 | 0 – No alarm
1 – No connection to the cloud 2 – No connection to Wi-Fi network |
0 |
| 13 | 0x000D | R (#03) | Alert message
– problems with the internal temperature sensor |
0,1,2,3,4 | 0 – No alarm
1 – Temperature measured below 5C (LO) 2 – Temperature measured above 45C (HI) 3 – Short circuit in the internal temperature sensor circuit 4 – break in the internal temperature sensor circuit |
0 |
HOLDING registers – for reading and writing
| Adress | Access | Description | Value Range | Means | Default | |
| 0 | 0x0000 | R/W (#04) | Engo MODBUS
– online ID number |
1-247 | ID | 1 |
| 257 | 0x0101 | R/W (#06) | Power on/off | 0,1 | 0=OFF 1=ON | 1 |
| 258 | 0x0102 | R/W (#06) | Operation mode | 0,1,2,3 | 0=Manual mode 1=Program mode 2=Holiday mode 3=Frost mode | 0 |
| 262 | 0x0106 | R/W (#06) | Child lock | 0,1 | 0=Unlocked 1=Locked | 0 |
| 263 | 0x0107 | R/W (#06) | Backlight brightness | 0-100 | N-> Brightness=N% | 60 |
| 264 | 0x0108 | R/W (#06) | Ambient Backlight Level | 0-10 | N-> Bridgness=N% | 0 |
| 265 | 0x0109 | R/W (#06) | Control type | 0-10 | 0 = TPI UFH,
1 = TPI RAD, 2 = TPI ELE, 3 = Histeresis 0.2 (+/-1C)…. … 10 = Histeresis 4.0 (+/-2C) |
0 |
| 268 | 0x010C | R/W (#06) | Clock minutes | 0-59 | Minutes | 0 |
| 269 | 0x010D | R/W (#06) | Clock hours | 0-23 | Hours | 0 |
| 270 | 0x010E | R/W (#06) | Clock Week Day (1=Monday) | 1~7 | Week day | 3 |
| 273 | 0x0111 | R/W (#06) | Setpoint temp in program mode | 50-450 | N-> temp=N/10 °C | 210 |
| 274 | 0x0112 | R/W (#06) | Setpoint temp in manual mode | 50-450 | N-> temp=N/10 °C | 210 |
| 275 | 0x0113 | R/W (#06) | Frost protection setpoint | 50 | N->temp=N/10 °C | 50 |
| 279 | 0x0117 | R/W (#06) | Max setpoint temp | 50-450 | N-> temp=N/10 °C | 350 |
| 280 | 0x0118 | R/W (#06) | Min setpoint temp | 50-450 | N-> temp=N/10 °C | 50 |
| 285 | 0x011D | R/W (#06) | Offset temperature | -3.5. 3.5°C | in steps of 0,5C | 0 |
| 287 | 0x011F | R/W (#06) | Relay type | 0,1 | 0 = NO
1 = NC |
0 |
| 288 | 0x0120 | R/W (#06) | Heating/Cooling Selection | 0,1 | 0 = Heating
1 = Cooling |
0 |
Factory reset
- To RESET the Thermostat to factory settings, hold down the
&
buttons until the FA message appears. Then release the keys. The thermostat will restart, restore default factory settings, and display the home screen. - The device will be also removed from the app.
- A factory reset can be done within 5 minutes after the power supply connection. If the thermostat is connected longer – a factory reset cannot be performed.
- Producer: Engo Controls sp. z o.o. sp. k. Rolna 4 St. 43-262 Kobielice Poland Wi-Fi, MODBUS Thermostat www.engocontrols.com
Documents / Resources
 |
ENGO CONTROLS E10-MBUSW, E10-MBUSB Wi-Fi MODBUS Thermostat [pdf] User Guide E10-MBUSW, E10-MBUSB, E10-MBUSW E10-MBUSB Wi-Fi MODBUS Thermostat, E10-MBUSW E10-MBUSB, Wi-Fi MODBUS Thermostat, MODBUS Thermostat, Thermostat |
