SFAR-S-ETH

Modbus TCP/IP to Modbus RTU/ASCII gateway with 4 digital inputs and 3 relay outputs.

Modbus I/O Module
SfAR-S-ETH module is a Modbus TCP to Modbus RTU/ASCII gateway, allowing the connection of Modbus RTU/ASCII devices to the Modbus TCP network.

6 Digital Inputs & 2 Digital Outputs
The device has the Ethernet and RS485 interfaces, 4 digital inputs (DI), and 3 relay outputs (RO). Digital inputs can work as fast pulse counters or timers, they support PNP or NPN input types, also offer a possibility to connect an encoder. Relay outputs are normally open (NO) type. All inputs and outputs are isolated from the logic with optoisolators.

Simplified Configuration and Commissioning Process
Communication is performed with the Modbus TCP protocol. The 32-bit ARM core processor provides fast processing and communication. The SfAR-S-ETH offers a unique feature, the device table, which facilitates communication with devices connected to the RS485 port, making it even faster.
The module is equipped with a set of LEDs used to indicate the status of I/Os, power supply, and RS485 communication.
Configuration of the module is carried out with our free software, the SfAR Configurator. A built-in mini USB allows for performing a primary configuration of the unit without an additional power supply.
To simplify the installation, the module has been equipped with the Quick Connector system. Using a dedicated SfAR-S-LINK cable allows for connecting up to 10 modules, which provide both RS485 communication and external power supply.


 

Technical Specification

 

Hardware Specification
Ethernet interface
RS485 interface
mini USB type B interface
Status LED indicators
DIN rail mounted
Quick Connector system

Inputs
4 Digital Inputs (DI)
PNP or NPN
Counter and timer functions
Up to 2 encoders support
Opto-isolated from RS485 and power supply

Outputs
3 Relay Outputs (RO)
NO type relay
250 V AC/24 V DC max. 3 A/10 A
Opto-isolated from RS485 and power supply

Communication
Modbus TCP
Modbus RTU/ASCII
Modbus TCP/IP to Modbus RTU/ASCII gateway
Free software – SfAR Configurator

Power Supply
10-38 V DC ± 20%
10-28 V AC ± 20%

Outputs typeDigital
Inputs typeDigital
Communication protocolModbus TCP/IP, Modbus TCP/IP to Modbus RTU/ASCII Gateway
Power supply10 to 28 V AC, 10 to 38 V DC
IP40
Digital inputs4
Digital outputs3

 


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