Contec CONPROSYS nano CPSN-PCB271-S1-041, Reference Manual, Page: 104 / 155

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Programing with CODESYS
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CPSN-PCB271-S1-041 Reference Manual (Software)
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6
Click [Scan] icon.
7
The part framed in black in the figure below is the area of I/O data.
For writing, the value input in this area is sent to Modbus Slave device.
For reading, the value input from Modbus Slave device is displayed in this area.
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In case of digital output
Following is an example case of outputting 1 into digital outbit 0 of CPSN-DO-08BL.
1
Click [Connect] icon.
2
Choose [Write Single Coil (0x05)] in [Function Code], and set "0" in [Start Address].
3
Click [Scan] icon.
4
Enter "1" in the part framed in black below. That turns on the LED of digital output bit 0 of the
CPSN-DO-08BL.