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ARM7012-W2(868) DAHUA wireless relay module
4R-D7 Modbus RTU relay module

2R-D7 Modbus RTU relay module

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51,97 zloty

The 2R-D7 module allows you to control 2 relays using the Modbus RTU protocol. Communication with the device can be via the RS-485 or UART TTL interface

Availability: 25 in stock SKU: 2R-D7 Categories: , ,
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Description

Composition:

The 2R-D7 module allows you to control 2 relays using the Modbus RTU protocol. Communication with the device can be via the RS-485 or UART TTL interface

Additionally, the device has 2 control inputs protected by optocouplers (input voltage range: 3.3 V … 30 V). The voltage from the control inputs is not the voltage directly supplying the relay coil

Attention! The control interface is selected using jumpers placed on the board. It is not possible to control the outputs using both communication paths at the same time.

Dosage:

Control: RS-485 / UART TTL
Protocol: Modbus RTU
Transmission speed: 4800 / 9600 / 19200 bps (default: 9600 bps)
Number of entries: 2 pcs.
Number of relay outputs: 2 pcs.
Contact load capacity: 10A/250V AC ,
10A/30V DC
Exit: 2 x NO/NC
Selected features:
  • LED signaling
  • Control inputs protected with optocouplers, which allows the use of control signals with voltages in the range of 3.3 V DC ... 30 V DC
  • The UART interface input is designed for mounting goldpins for signals with voltages adjusted to the TTL level (3.3 V DC / 5 V DC)
  • Possibility to configure the device address (with settings saved after power failure) in the range 1 – 255 (default address 255)
  • Possibility to set the relay activation delay (base unit: 0.1 s, value range: 0.1 s … 6553.5 s)
  • Protection against reverse polarity of the input voltage
Power supply: 7V…24V DC (power supply not included)
Libra: 0.046 kg
Dimensions: 85 x 49 x 19 mm
Guarantee: 2 years

Additional information

Libra 0.05 kg
Libra

Length

110
Width

90
Height

20
EAN

Producer

Mark

STER-TRONIC

Ster-Tronic is a Polish company specializing in the production and distribution of industrial automation and controllers for gates and roller shutters. Since its establishment in 2000, the company has been consistently developing its offer, offering high-quality products and solutions for various industries and applications. The products offered by Ster-Tronic include a wide range of controllers for sliding gates, swing gates, garage gates and roller shutters. The company is famous for the reliability of its products and innovation in the field of industrial automation. Their controllers are characterized by advanced functionalities, ease of use and the possibility of integration with other systems. Ster-Tronic also places great emphasis on professional customer service and technical support. The company offers comprehensive consulting and after-sales service, which contributes to customer satisfaction and building lasting business relationships. Thanks to continuous development and innovation, Ster-Tronic has gained recognition on the domestic and foreign markets, becoming one of the leading suppliers of industrial automation in Poland. Its products are used in various sectors, from small households to large industrial enterprises, ensuring not only convenience, but also safety and efficiency in everyday work.

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