SFAR-1M-2DI1AO

SFAR-1M-2DI1AOAbout the product SFAR 1M 2DI1AO has 2x DI (Digital Inputs) and 1x AO (Analog Output). Digital Inputs can work as fast pulse counter up to 1 kHz and support both PNP or NPN input types. Analog Output can work as 0 10 V DC or 0 20 mA output with 12 bit DAC support. All inputs and output are separated from power supply and RS485 block with use of optical isolators. Built in RS485 interface allows to easy connection over Modbus RTU ASCII protocol with a

About the product

SFAR-1M-2DI1AO has 2x DI (Digital Inputs) and 1x AO (Analog Output). Digital Inputs can work as fast pulse counter up to 1 kHz and support both PNP or NPN input types. Analog Output can work as 0-10 V DC or 0-20 mA output with 12-bit DAC support. All inputs and output are separated from power supply and RS485 block with use of optical isolators. Built-in RS485 interface allows to easy connection over Modbus RTU/ASCII protocol with a PLC makes the modules an external I/O.
The use of32-bit ARMcore processor provides fast processing and communication with the baud rate from 2400 to 115200 bps. The module is equipped with a set of LEDs used to indicate the status of inputs, outputs, power supply and RS485 communication. This feature is useful for diagnostic purposes and helping to find errors. Built-in mini USB allows for initial configuration of the unit without power supply.

Features
• 2x opto-isolated Digital Input
• 1x Analog Output with 12-bit resolution
• Every DI works as 32-bit impulse counter or time counter
• Support for encoder
• Voltage and current ranges
• Built-in LEDs for device status indication
• Modbus RTU/ASCII communication
• Baud rate: 2400 bps to 115200 bps
• Up to 128 modules on the bus
• Built-in mini USB type B port for configuration
• Space-saving housing, DIN rail mount

Specification
Digital Inputs (DI)
• Input type: PNP or NPN
• Fast pulse counter up to 1 kHz
• Time counting in ms for active input
• DI1-DI1- 1x encoder support

Analog Output (AO)
All Analog Outputs have 12-bit DAC resolution which support the following types of outputs:
• Voltage output: 0-10 V DC, resolution 1,5 mV
• Current output: 0-20 mA, resolution 5 μA
• Current output: 4-20 mA, resolution 16 μA
• Voltage measurement accuracy ±0.5%
• Current measurement accuracy ±0.5%
• DAC processing time: 16 ms/channel

Platform
• ARM Cortex-M3

Communication
• Interface RS485 half-duplex
• Up to 128 devices on the bus
• Protocol: Modbus RTU/ASCII
• Baud rate: 2400 to 115200 bps
• Interface mini USB type B

Power supply
• 12-24 V DC ± 20%

Housing
• Dimension WxHxD: 17x90x56 mm
• Construction: UL approved,
self-extinguishing plastic (PC/ABS)
• DIN rail mounting DIN (DIN EN 50022 norm)
• Cooling: internal air circulation

Environment
• Operating temperature: -10°C to 50°C
• Storage temperature: -40°C to 85°C
• Relative humidity: 5% to 95%, no condensation
• Ingress Protection Rating: IP40 – for indoor
installation

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