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iSMA-B-CVT-RS485


Protection in the event of short-circuit of
the signal cable with the screen
• Support for stopping and resuming work
• Resistor terminating the RS485 line: 120
ohms, switched via a switch
• Ability to save user parameters in nonvolatile EEPROM memory
• LEDs indicating the sending and receiving
of data
• Female B-type USB connector
• Serial UART transmission: 7 or 8 data bits,
1 or 2 stop bits, parity check (none, parity,
odd parity, sign, space)

£62.00 (£74.40 incl. VAT)

iSMA-B-CVT-RS485 is a ready-made USB converter for a two-wire RS485 connection.

Data transmission via RS485 is carried out in half-duplex mode. From the computer side (USB) the device is seen and operated as a
typical serial port.

The device has galvanic isolation of the RS485 bus made in the modern iCoupler® technology.
The converter is adapted to be powered from the USB bus.

iSMA-B-CVT-RS_485_Datasheet

SKU: iSMA-B-CVT-RS485 Categories: ,

 

Communication

• Maximum data transmission speed: 500kb / s
• Communication mode: half-duplex
• Communication between RS485 devices: 2-wire
bus + screen connection terminal
• Maximum length of RS485 network: 1200m
• Up to 256 devices
• Data transmission mode: USB Bulk or
Isochronous
• Resistor terminating the RS485 line: 120Ω,
switched via a switch

Environment

• Converter operating temperature:
-40 ° C to + 85 ° C (-40 ° F to 185 ° F)

Power supply

• Power supply from the USB interface

Compliance of the device with standards and
norms:

• ANSI TIA/EIA RS-485-A
• ISO 8482: 1987(E)
• DIN EN 60747-5-2 (VDE 0884 Rev. 2): 2003-
01
• DIN EN 60950 (VDE 0805): 2001-12
• EN 60950: 2000

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