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1-port RS-232/485 to Ethernet converter
1-port RS-232/485 to Ethernet Interface Converter
Product code: I-PX-RS1
The documentation was updated on 06.2.2026
Description
The 1-port RS-232/485 to Ethernet converter is ideal for control systems in home and commercial automation projects, it provides integration of third-party equipment via serial RS-232/485 communication interfaces.
Advantages:
- compact design,
- simple initial setup via web interface,
- fast integration with iRidi Pro and iRidi controllers,
- easy integration with any control systems and software via TCP/IP ports.
This converter provides the possibility to control the following equipment in LAN remotely: audio-video equipment, engineering systems and equipment that supports control via RS-232/485 interfaces. One physical port is used for integration, it corresponds to one TCP/IP port in the network, which ensures independent operation and bidirectional data transfer between Ethernet and RS-232/485 interface.
I-PX-RS1 provides the possibility to integrate equipment that are remote from the control system controllers, and also expands the number of controller ports uniting all equipment into a single centralized control system.
Реестр российской продукции
Оборудование и программное обеспечение включено в реестры:
Technical specification
| Product code |
I-PX-RS1
|
| Communication parameters
|
| Ethernet ports |
1 x Ethernet (10/100 Mbps)
|
| Connector type |
Rj45 (8 connectors)
|
| Network protocols |
DHCP Client, IPv4, HTTP, TCP/IP, ICMP
|
| Serial interface parameters
|
| Number of ports |
1
|
| Port type |
RS-232/485
|
| Connector type |
Removable screw terminals
|
| Data transfer rate, baud |
9600, 19200, 38400, 57600 and 115200
|
| Data bit |
7, 8
|
| Parity |
None, Odd and Even
|
| Stop bits |
1, 1.5 and 2
|
| Hardware flow control |
Yes, RTS/CTS
|
| Data packaging |
Packet length, Delimiter, Delimiter process, Force transmit
|
| Number of simultaneous TCP/IP connections |
4 conenctions (4 for 1 TCP/IP port corresponding to the serial interface)
|
| Control and indication
|
| Control interface |
Web interface for initial setup,
TCP/IP ports for serial communication interfaces
|
| Buttons |
1 x Reset to reboot the device
1 x Prog for recovery and reset
|
| Indicators |
1 x LED Status
1 x LED COM1
|
| Power requirements
|
| Power supply |
PoE, IEEE 802.3att
24V DC, permissible range of power supply voltage: 24-36V DC. (power supply is not included in the delivery set)
|
| Halvanic isolation |
Yes, for PoE and 24V DC power supplies
|
| Power consumption |
1 W
|
| Design and performance characteristics
|
| Dimensions (WxHxD), mm |
88х80х25
|
| Weight, kg |
0,2
|
| Body material |
Steel
|
| Color |
Black
|
| Installation |
Tabletop/wall mounted
|
| Cooling system |
Natural convection
|
| Air temperature during operation |
0°…+50°C
|
| Delivery set
|
| Delivery set |
1-port RS-232/485 to Ethernet converter I-PX-RS4 (1 pc),
Set of detachable screw terminals (1 pc),
Package (1 pc).
|
Size
Terminals and Indication
| Buttons:
|
| (1) Reset |
Rebooting the device
|
| (2) Prog |
Factory reset or restore factory firmware.
More details in the Factory reset section
|
| LED indicators:
|
| (3) Status |
System LED indicator:
- Working mode: short indication once every 3 seconds,
- Bootloader mode: 1 long beep every 1 second,
- Memory error: 1 long beep, 1 short beep,
- Error of receiving IP addresses via DHCP and transition to a static address 192.168.77.77:
2 long, 5 short beeps.
|
| (4) COM1 |
Indication of the data exchange status via serial interfaces
|
| Ports and connectors:
|
| (5) NETWORK |
Ethernet port, Rj45 connector for connecting to a computer network
|
| (6) POWER |
Connector for connecting 24V DC power supply via the Power terminal in accordance with the specified marking, from left to right: + −
Allowable voltage range of power supply: 24-36V DC.
|
| (7) COM1 |
Serial interfaces RS-232/485.
The operating mode is determined by the settings via the web interface:
| Pin |
RS-232 |
RS-232 with Flow Control |
RS-485
|
| GND |
GND |
GND |
GND
|
| TX |
TX |
TX |
B
|
| RX |
RX |
RX |
A
|
| RTS |
✕ |
RTS |
✕
|
| CTS |
✕ |
CTS |
✕
|
|
Storage, Transportation and Service Life
The products must be stored in a package at a temperature from 0 C to +40￮ and relative humidity up to 80% in heated and naturally ventilated warehouses, in air-conditioned storages, in the absence of aggressive impurities, conductive dust, acid and alkali vapors, as well as gases that cause corrosion and destroy insulation.
When storing products avoid sudden fluctuations in temperature (more than 3 ° C/min) and humidity (more than 5% /min).
The products must be transported packed in containers, closed railway wagons, heated sealed compartments of aircraft and holds, as well as by road with protection from precipitation over any distance at temperatures from -50 °C to +50 °C, with relative humidity up to 100% - at 25 ° C. When transporting products, provide protection against dust and precipitation.
Warranty Оbligations
The warranty period is 24 months from the date of sale.
Without a note of sale the warranty period starts from the date of manufacture.
The manufacturer's warranty does not cover defects caused by:
- mechanical damage to the device;
- ingress of moisture;
- exceeding the permissible supply voltage;
- non-compliance with the rules of connection of the device;
- modifications or changes made to the device or its connection schemes by the purchaser or third parties without prior approval from the manufacturer;
- improper use of the device by the purchaser or third parties;
- non-compliance with transportation, storage and operating rules;
- improper installation and maintenance of the device not in accordance with the manual;
- other factors beyond the manufacturer's control.
Safety
WARNING: Before installing the device, turn off the power supply.
WARNING: It is not allowed to use the device in systems responsible for the safety of people, animals, material assets, as well as in systems whose failure will lead to a violation of safety.
Connecting to the network and power supply
Installation and maintenance of the product should only be carried out by qualified specialists with compliance with safety measures.
The device is powered by one of the following methods:
- from a PoE source (IEEE 802.3at standard) using the Ethernet port;
- from a 24V DC power source via the Power terminal in accordance with the marking on the device. The permissible voltage range of the power source: 24-36V DC.
When connecting to an Ethernet network, the device uses the settings from the DHCP server by default.
If there is an error receiving an IP address, a static IP address is set: 192.168.77.77
MAC address of the device starts with 42-77-87-xx-xx-xx
The device's default network TCP/IP ports are:
- 5000 - http port for accessing the device's web interface,
- 1001 - an access port to the COM1 serial interface,
COM1 port and its corresponding TCP/IP port support simultaneous connections of up to four hosts, allowing multiple computers to simultaneously collect data from a single COM port. When transmitting data from multiple hosts to a single converter port at the same time, data overlap is theoretically possible, but in real practice it is most unlikely.
Setting up via Web interface
Для начальной настройки устройства I-PX-RS1 используйте его встроенный web-интерфейс.
Введите в адресной строке браузера адрес вашего устройства:
http://192.168.77.77:5000 (используйте фактический IP-адрес вашего устройства).
Обратите внимание, что применение любых настроек на страницах web-интерфейса происходит после нажатия кнопки Submit. Если выйти со страницы или обновить её без нажатия данной кнопки, изменения не будут сохранены.
Для работы с устройством рекомендуется использовать браузер Google Chrome.
Authorization
When you open the web interface of the I-PX-RS1 device, you will see an authorization page with the following elements:
- Title: It shows the device model - I-PX-RS1.
- MAC address: Unique identifier of the device, assigned by the manufacturer. It cannot be changed. MAC addresses of the I-PX series devices are in the form 42:77:87:XX:XX.
- Password: A password entry field where the characters are hidden but can be displayed.
The default password is "password".
If the password is entered incorrectly, you will see the following message: "Incorrect password".
- Login button: When it is pressed, the password is checked for correctness.
После успешного входа вы автоматически перейдете на главную страницу. Соединение с интерфейсом останется активным до тех пор, пока вы не выйдете, нажав кнопку “Logout”.
Top Bar
After successful authorization, you will have access to the device settings.
The following elements are available in the top bar:
- iRidi Logo: Click on the logo to quickly go to the main page (Home).
- MAC address: Unique identifier of the device, assigned by the manufacturer. It cannot be changed. MAC addresses of the I-PX series devices are in the form 42:77:87:XX:XX.
- Logout button: Click to log out and return to the login page.
Состояние устройства и подключений
На странице Home вы увидите приветственный заголовок “Welcome to I-PX-RS1” и основную информацию о состоянии устройства:
- Model: Device model is I-PX-RS1.
- MAC address: Unique identifier of the device, assigned by the manufacturer. It cannot be changed. Address format 42:77:87:XX:XX:XX
- Network: It displays the current network settings: DHCP or Static, the current IP address of the device.
- Firmware: Version of the installed firmware of the device.
- Serial COM1: Current settings for the COM port are displayed here. Changing the COM port settings is available on the Serial page.
- Documentation: Link to Wiki documentation.
- Table with connections: It shows all four ports of the device and a list of IP addresses of devices connected to each TCP/IP port (open sockets).
Serial Interface Settings
The Serial page provides settings for serial communication interfaces, TCP/IP access parameters, and data packaging parameters.
Port Settings
In the COM settings section of the Serial page, the following basic parameters are available for configuring the selected port:
- Name: It allows you to set an alias for the port, such as the name of the connected equipment.
The default is "COM1".
The alias can contain up to 32 characters.
- Mode: Port operating mode.
RS-232 and RS-485 are available (default is RS-232).
- Flow Control: Flow control type.
Available options:
- None
- RTS/CTS (active only when Mode = RS-232 is selected).
- Baud Rate: Baud rate.
Select from: 9600, 19200, 38400, 57600, or 115200 (default is 115200).
- Data Bits: Number of data bits - 7 or 8 (default - 8).
- Stop bit: Stop bit - 1, 1.5 or 2 (default - 1).
- Parity: Parity mode - None, Odd or Even (default - None).
Data Packing
The Data Packing section allows you to configure data packing to optimize packet transmission from the serial interface to Ethernet:
- Packing Length: It sets a fixed data packet length (0–1024 bytes).
For example, if the value is set to 2 bytes, then every 2 bytes will be sent in a separate Ethernet frame.
The default value is 0 (the feature is disabled).
- Delimiter 1-2: It specifies special delimiter characters that initiate sending the contents of the COM port buffer to the network when they are received.
More details in the Delimiter Operation Description section.
- Delimiter Process: Settings that determine the behavior when delimiters are detected and transmitted in the Ethernet packet:
- Do nothing: The packet includes delimiter characters.
- Delimiter + 1 or Delimiter + 2: The packet includes delimiters plus 1 or 2 characters, respectively.
- Strip Delimiter: The packet does not include delimiters.
- Force Transmit: It ensures that data is sent when a pause in the stream is detected.
The pause is specified in milliseconds (from 0 to 65535 ms).
Default is 0 (the function is disabled).
It is recommended to select a pause value greater than the transmission time of one character to minimize the likelihood of data loss.
More details in the Processing the gap (Force transmit) section.
How Delimiter Works
When it is necessary to transmit certain portions of data in a single Ethernet frame, one or two delimiters can be specified to avoid pauses and preserve data order:
- Only Delimiter 1(e.g. 0x44, "D"): The packet is sent when the specified character is received.
- Delimiter 1 and Delimiter 2 (e.g. 0x44 ("D") and 0x4D ("M")): A packet is sent only when both characters in the specified sequence (D+M) are received.
Processing the gap (Force transmit)
As an example of selecting Force transmit parameters, let's take the following port parameters:
- Baud rate: 9600 bit/s,
- Data bits: 8 data bit,
- Stop bits: 1 stop bit,
- Parity: None (no parity).
The total number of bits to send one character is 10 bits: 1 start bit, 8 data bits, and 1 stop bit.
The time required to transmit one symbol is calculated as follows:
10 (bit) / 9600 (bit/s) × 1000 (ms/s) = 1.04 ms.
It is recommended to set the Force Transmit parameter to a value greater than the estimated 1.04 ms. For example, a value of 3 ms would be appropriate, as it would provide sufficient time for the current character to be completed before sending the data from the buffer. This would help to minimize the possibility of data loss during transmission.
Using Delimiter, Packing Length and Force Transmit at the same time
If all parameters Delimiter, Packing Length and Force Transmit are activated, they work in parallel, and the packet is sent when one of the following conditions is met:
- Delimiter Detection: A packet is sent when the specified delimiter characters are received.
- Reaching Packing Length: A packet is sent when the specified data length is reached.
- Force Transmit Detection: A packet is sent when a transmission gap is detected that exceeds the specified time.
All three parameters operate independently, which provides flexibility in processing and sending data packets. A packet is sent as soon as one of the specified conditions is met, which ensures reliable and fast data processing in real time.
Configuring TCP/IP connection port
- Local TCP Port: It sets the TCP port for the COM1 (default value is 1001).
The port supports up to four simultaneous connections.
System Settings
On the Network page you can configure and change the network connection settings of the device:
- IP Configuration: It specifies the type of IP address configuration. Two modes are available:
- DHCP (default) — the IP address, subnet mask, and gateway are determined automatically.
- Static — you can manually specify the IP address, subnet mask, and gateway. When this mode is selected, the settings fields become active and available for editing.
- IP address: The address of the device on the network.
- Netmask: Device subnet mask.
- Gateway: Default gateway address.
- MAC address: Unique identifier of the device, set by the manufacturer, which cannot be changed.
The MAC address of the device is displayed in the format 42:77:87:XX:XX
- HWID: Hardware identifier, also assigned by the manufacturer and cannot be changed.
Device Administration
The Admin section provides options for configuring basic settings and managing access to the device, as well as resetting settings and updating firmware.
Basic Settings
On the Basic Settings page you can change the basic parameters of the device:
- Alias Name: The device name that you can set at your choice (up to 32 characters) to make it easier to identify.
The default is "I-PX-RS1_1".
The set name will be displayed in the top bar, main page and login page.
- Change the password for web interface:
To update the authorization password, enter the following data (the password can contain up to 32 characters):
- Current password: Enter the current password. The field hides the entered characters, with the option to display them.
- New password: Set a new password, the characters are also hidden.
- Confirm password: Confirm the new password, the characters are hidden.
After clicking the Submit, button, the device will check the data and save the settings.
If the current password is entered incorrectly or there are other errors (for example, a mismatch between the new and confirmed password), the message will appear: “One of the parameters entered was either invalid or missing”.
Restricting access to the device
The Accessible IP List section allows you to configure a list of allowed IP addresses for connecting to the device via TCP/IP to COM ports (IP address white list functionality).
Access to the web interface is not limited and remains open to all IP addresses.
- Accessible IP List: This is a list of trusted IP addresses that are allowed to connect to the device's serial COM ports via TCP/IP.
- Enable Accessible IP list: A checkbox that enables restriction of access to TCP/IP ports of the corresponding COM ports.
When it is activated, the device will allow connection only for IP addresses added to the list.
If the address is not on the list, access will be blocked and the connection will be rejected.
- Adding addresses: You can specify up to 15 IP addresses in the whitelist.
- Submit button: It saves the changes you've made.
If you leave this page without clicking the button, your changes will not be saved.
This section helps to manage access to the device, providing additional network security when connecting to COM ports.
Update, Reboot and Reset
The Upgrade & Reset section allows you to manage the device status and its settings using the following functions:
- Upgrade: Updating the device firmware to a new version to improve performance and add new features.
The current firmware version of the device is listed on the Home page in the Firmware line.
The latest firmware version is available for downloading at the top of this documentation.
- Reboot: Restarting the device is used to restore work after changing settings or troubleshooting temporary failures.
- Reset: Restore the device to factory settings. More details in the next section.
Reset to Default Settings
Please note that performing a factory reset or firmware restore will erase all current settings and restore your device to factory settings.
Reset via Web interface
To reset your device to factory settings via the web interface, follow these steps:
- Disconnect all the mating parts of the COM ports terminals or wires from them.
- Log in to the web interface, go to the Admin page and select the Upgrade & Reset tab.
- Click the Reset button to call the function of resetting the firmware parameters to factory settings.
- Confirm your choice by clicking the Reset settings button.
- After the reset is complete, the web interface will automatically redirect you to the login page (Login Page).
If the IP address of the device changes, you must change it in the browser address bar to the current one to access the web interface.
Reset via physical button
To perform a factory reset using the physical button, follow these steps:
- Turn off the power of the device.
- Disconnect all the mating parts of the COM ports terminals or wires from them, as well as the Ethernet cable.
- With the device turned off, press and hold the Prog button.
- Connect power to the controller, continuing to hold the button down.
- Hold the button down for up to 10 seconds (but no more).
- As soon as the Status LED starts blinking quickly, release the Prog button.
- After this, the device will reset all settings to factory defaults and activate automatic IP address acquisition via DHCP.
Firmware Recovery
If you need to restore the firmware of your device, follow these steps:
- Turn off the power of the device.
- Disconnect all the mating parts of the COM ports terminals or wires from them, as well as the Ethernet cable.
- With the device turned off, press and hold the Prog button.
- Connect power to the controller, continuing to hold the button down for 10-20 seconds.
- Release the button - 4 LEDs will light up, which means that the firmware recovery procedure has successfully started.
- After this, the device will perform a factory firmware recovery and reset all settings.
Setting up work with iRidi Pro in Studio
Setting the AV & Custom Systems Driver
1. In iRidium Studio, create a new project for iRidium server or a panel project.
Add the AV & Custom Systems driver in the Devices tab to a created project:
Fill in the required settings of the driver.
- Protocol: TCP.
- Log Level: level of logging.
- In the Host parameter, set the IP address of your I-PX-RS1 device.
- In the Port parameter, set the required device port (by default, 1001 for COM1).
The required TCP/IP port can be found in the device's web interface on the Serial tab.
4. After this, the driver is configured to work with the I-PX-RS1 device and the corresponding port. Configure the required number of driver channels for further work.
Learn more about working with with the AV & Custom Systems driver.
Setting Modbus RTU driver
To connect to Modbus RTU protocol equipment through the device, use the Modbus RTU driver with the TCP Gate connection protocol parameter:
1. In iRidium Studio, create a new project for iRidi Server or a panel project.
2. Add the Modbus RTU driver in the DEVICES tab to a created project.
3. Change the connection protocol to TCP Gate and fill in the required settings of the driver.
- Protocol: TCP.
- Log Level: level of logging.
- In the Host parameter, set the IP address of your I-PX-RS1 device.
- In the Port parameter, set the required device port (by default, 1001 for COM1).
The required TCP/IP port can be found in the device's web interface on the Serial tab.
4. After this, the driver is configured to work with the I-PX-RS1 device and the corresponding port. Configure the required number of driver channels for further work.
Learn more about working with with the Modbus driver.
Настройка работы с iRidi BMS/SCADA в Studio
Настройка драйвера Modbus RTU Network
Для подключения к оборудованию, работающему по протоколу Modbus RTU Network, через преобразователь используйте драйвер Modbus RTU Network с параметром протокола подключения TCP Gate:
1 В SCADA Studio создайте новый проект для SCADA Server или панельный SCADA проект.
2 В созданном проекте на вкладке Devices добавьте драйвер Modbus RTU Network:
3 Измените протокол подключения на TCP Gate и заполните необходимые настройки драйвера:
- Protocol: TCP Gate.
- Log Level: уровень логирования.
- В параметре Host выставите ip-адрес вашего устройства.
- В параметре Port выставите нужный порт устройства (по умолчанию порт 1001 для COM1). Необходимый TCP/IP порт можно найти в web-интерфейсе устройства на вкладке Serial.
После этого драйвер настроен для работы с устройством I-PX-RS1 / I-PX-RS4 и соответствующим портом. Настройте необходимое количество каналов драйвера для дальнейшей работы.
Working with Windows software
Data transmission and reception from the device can be carried out using various third-party programs, such as Hercules.
To set up a connection:
1. Launch Hercules software.
2. Go to the TCP Client tab.
3. Enter the connection parameters in the TCP block:
- Module IP: IP address of I-PX-RS1 devices,
- Port: the desired device port (by default, 1001 for COM1).
- The required TCP/IP port can be found in the device's web interface on the Serial tab.
4. Click Connect, after which you will see a welcome message confirming the connection:
The software is connected to the device and is ready to receive and transmit data.
To work in third-party software with Modbus RTU equipment, the Modbus RTU over TCP parameter must be activated:
Лицензионные соглашения
Программное обеспечение установлено на устройстве его изготовителем и поставляется вместе с ним в комплекте. Программное обеспечение отдельно не продается.
По всем вопросам обращаться в службу технической поддержки: e-mail: support@iridi.com, тел. +7 (499) 322-73-29 (доб.1).
Лицензионное соглашение I-PX-RS1
Функциональные характеристики I-PX-RS1
Эксплуатация экземпляра ПО
Дата публикации: 11.04.2025
