User`s manual

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4.7.2 Setting elements

4 PREDEFINED PROTOCOL SUPPORT FUNCTION

GX Works2

■ Setting of check code

Configure the check code setting.

Screen display

Select "Check Code" on the Add New screen.

Operating procedure

• Set the items on the screen.

Item Description

Element Name Set a name of the element.

Processing Method Select a calculating method.

Code Type

Select a send/receive format of the check code.

Data Length

Select the data length on the line.

Data Flow

Select the sequence of data when "Data Length" is other than '1'.

Complement

Calculation

Select a type of complement calculation.

Calculating Range

(Start)/Calculating

Range (End)

Select element numbers for the start and end of the calculating range.

*1 : Not settable when "Processing Method" is '16-bit CRC (for MODBUS)'.