SFAR-1M-1AI1DO

Modbus I/O module with 1 analog input and 1 digital output.

Modbus I/O Module
SfAR-1M-1AI1DO is a controller’s I/O extension and as a standalone application controller. It is perfect for controlling lights level according to light measurement and other similar applications.

1 Analog Input & 1 Digital Output
The module has 1 analog input (AI) and 1 digital output (DO). Analog input can work in 7 modes as a voltage or current input. A digital output is a NPN transistor output. All inputs and 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.


 

Technical Specification

 

Hardware Specification
RS485 interface
mini USB type B interface
Status LED indicators
DIN rail mounted

Inputs
1 Analog Input (AI)
0-1 V, -1-1 V, 0-10 V or -10-10 V
0-20 mA, 4-20 mA or -20-20 mA
Counter and timer functions
Up to 2 encoders support
Opto-isolated from RS485 and power supply

Outputs
1 Digital Output (DO)
PNP or NPN
30 V DC max. 500 mA
Opto-isolated from RS485 and power supply

Communication
Modbus RTU/ASCII
Free software – SfAR Configurator

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

Outputs typeDigital
Inputs typeAnalog
Communication protocolModbus RTU/ASCII
Power supply10 to 28 V AC, 10 to 38 V DC
IP40
Analog inputs1
Digital outputs1

 


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