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195196 St. Petersburg, 4, Gromova Str.

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+7 812 976‑86‑86

+7 812 715-89-13


Available for order

Distributed IO Carrier Module: Modbus TCP, Modbus RTU, YART LINK

knot smart
knot smart

Smart-KNOT is a distributed IO host unit, capable of carrying up to seven different YART-BUS IO modules. The unit is connected to the serial or Ethernet control Fieldbus line. 

Modbus TCP/RTU is the first choice, however the SMART-KNOT is also YART-LINK compatible which helps to use such devices with almost no programming needed. The YART PLC will automatically detect the online unit and put the read values into a predefined memory area. 

During the system operations the corresponding input and output data will be transferred automatically. The only action required is to select one or more available data channel in the YART Studio IDE.

In a case of Modbus communication the unit works as Modbus-Slave with a list of predefined registers representing connected IO modules.


Smart-KNOT Specifications
Supply Voltage11 to 28 VDC
Terminals TypeScrew connection, 16-30 AWG
Communication PortsEthernetRJ-45, 100/10Base-T with auto negotiation. YART-LINK, Modbus TCP Slave
RS485Modbus RTU Slave
IndicationLEDs for status and activity
Mounting35 mm DIN Rail

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