SFAR-S-8AO

Modbus I/O module with 8 analog outputs.

Modbus I/O Module
SfAR-S-8AO can be used for sending multiple setpoints to devices, for example, for pipelines branching with multiple valves requiring opening percentage setpoints.

8 Analog Outputs
The module has 8 analog outputs (AO). Analog outputs can work as 0-10 V DC, 0-20 mA, or 4-20 mA outputs. All outputs are isolated from the logic with optoisolators.

Simplified Configuration and Commissioning Process
A built-in RS485 interface allows an easy connection over the Modbus RTU/ASCII protocol. A 32-bit ARM core processor provides fast processing and communication.
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
RS485 interface
mini USB type B interface
Status LED indicators
DIN rail mounted
Quick Connector system

Outputs
8 Analog Outputs (AO)
0-10 V DC
0-20 mA or 4-20 mA
12-bit DAC
Opto-isolated from RS485 and power supply

Communication
Modbus RTU/ASCII
Dedicated TCP/IP to Modbus RTU/ASCII gateway device SfAR-S-ETH
Free software – SfAR Configurator

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

Outputs typeAnalog
Communication protocolModbus RTU/ASCII
Power supply10 to 28 V AC, 10 to 38 V DC
IP40
Analog outputs8

 


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