Single Board PC based IoT Controller OPCB-221B
Product Details:
| Usage | OPCB-221B is used to remotely monitor and control various industrial operations and equipments. |
| Brand | NOVATEK ELECTRO |
| Power | 5V DC (3A) |
| Model | OPCB-221B |
| Application | Remote Monitoring & Control, IoT – with modular add-on I/O channels (OB-215, OB-216) |
The Controller OPCB-221B (hereinafter referred to as the “Controller”, “Product”, “Device”, or “OPCB-221B”) provides MODBUS communication between clients and servers in TCP networks (Internet) and between devices in the RS-485 interface.
OPCB-221B is used to remotely monitor and control the operation of:
- Refrigeration controllers,
- HVAC systems controllers,
- Agricultural smart devices,
- Power network relays, meters, other electrical equipment,
- Industrial IoT devices,
- Industrial sensors and meters,
- Other MODBUS-compatible electronics.
OPCB-221B feature list:
- MODBUS RTU/TCP converter.
- Built-in Overvis cloud support (www.overvis.com).
- Serving as TCP server or client, MODBUS RTU master or slave.
- RS-485 network extension.
- MODBUS ASCII mode support.
- Supporting LAN and/or Wi-Fi connection.
- Optional 3G/LTE connection using an external USB modem.
- Wi-Fi Access Point mode.
- Web interface, accessible from the local network, via Wi-Fi Access Point or using Overvis cloud connection.
- Remote configuration (using MODBUS or web interface).
- RS-485 network settings: baud rate, parity, response timeout.
- Multiple RS-485 networks support.
- MODBUS requests debugging tools.
- Automatic or manual firmware update.
- HTTP API.
Additional Information:
- Item Code: OPCB-221B
- Port of Dispatch: New Delhi, India
Technical specifications:
| Name | Value |
|---|---|
| Power supply voltage DC, V | 5,0 |
| Motherboard | Orange Pi PC Plus 1G RAM |
| TCP networks link interface | Ethernet, Wi-Fi |
| Ethernet communication interface | 10BASE-T/100BASE-T (twisted pair) |
| Wi-Fi frequency, GHz | 2.4 |
| Supported Wi-Fi standards | IEEE 802.11 b/g/n |
| Supported TCP/IP protocols | MODBUS TCP, HTTP, DNS, DHCP, WireGuard |
| Maximum number of incoming connections via MODBUS TCP protocol | 4 |
| Maximum number of outgoing connections via MODBUS TCP protocol | 4 |
| Maximum number of serial interfaces | 3 (through individual USB ports) |
| Supported serial interface protocols | MODBUS RTU, MODBUS ASCII |
| Supported serial MODBUS modes | Master, Slave |
| Maximum number of connected MODBUS devices | 255 |
| Built-in servers | MODBUS TCP, HTTP |
| Ready time at power up, s, no more than | 60 |
| Current consumption, mA, max | 2000 |
| Weight, kg, no more than | 0,200 |
| Overall dimensions HxBxL, mm, no more than | 99 х 82 х 36 |
| The Product designation | Switchgear and control equipment |
| Rated operating condition | continuous |
| Degree of protection | ІР30 |
| Electric shock protection class | III |
| Climatic design version | NF 3.1 |
| Permissible contamination level | II |
|
Galvanic insulation, kV
|
– 1.5 – |
| Installation (mounting) | panel |
- The product meets the requirements of the following: EN 60947-1; EN 60947-6-2; EN 55011; EN 61000-4-2.
- The product retains its functionality in any position in space.
- Case material – aluminum.
- Harmful substances in amounts exceeding maximum permissible concentrations are absent.
USB-RS485 extension module technical specifications
| Name | Value |
|---|---|
| Communication speed, bps | 300-921600 |
| Direction control | hardware automatically determines and controls data transmission direction |
| Transmission distance (at low speed), | about 1200 meters |
| Transmission mode | up to 32 nodes in point pairs (repeaters are recommended for more than 16 nodes) |
| Balance resistance | onboard 120Ohm, jumper-connectable |
| Current consumption, mA, max | 50 |
| Interface protection | Provide 600W lightning protection, surge and 15kV static protection |
| Galvanic insulation | None |
| Weight, kg, no more than | 0,010 |
| Overall dimensions HxBxL, mm, no more than | 15x18x63 |
| Cross-section of wires to be connected, mm2 | 0,13 – 0,82 |
| Tightening torque of terminal screws, N*m | 0,3 |
| Degree of protection | ІР20 |
Power adapter technical specifications
| Name | Value |
|---|---|
| Input AC voltage range, V | 100-240 |
| Input AC current, mA | 500 |
| Input AC frequency range, Hz | 50/60 |
| Output voltage DC, V | 5,0 |
| Output current DC, mA, max | 3000 |
| AC inlet | EU 2 pin plug |
| DC connector | USB Type-A |
| Weight, kg, no more than | 0,065 |
| Overall dimensions HxBxL, mm, no more than | 80x30x75 |
| Degree of protection | IP20 |
| Electric shock protection class | II |
| Insulation voltage | Input/Output to out case, 500VDC, greater than 10MOhm |
| Input to output withstand voltage | AC 3kV / 10mA, 3s |
Operation conditions
The product is intended for operation under the following conditions:
- ambient temperature from -10 to +55 °C;
- atmospheric pressure from 84 to 106.7 kPa;
- relative humidity (at +25 °С) 30 to 80%.
Attention! The product is not intended to be used in the following conditions:
- significant vibrations and shock;
- high humidity;
- an aggressive environment containing acids, alkalis, etc., as well as strong contaminants (grease, oil, dust, etc.).