Eaton EASY222-DN, User Manual

Page: 178 / 284

easy800/MFD control
commands
174
09/10 MN05013007Z-EN
Read/write function block
data
General notes
Always note the following when working with function
blocks:
• The relevant data is transferred in Intel format. In other
words, the first byte is the low byte (Byte 4) and the last
byte (byte 7) the high byte.
• The maximum data length is 4 bytes. All values must be
transferred in hexadecimal format.
• All 32-bit values are treated as signed values. If you
transfer 32-bit values ensure that the appropriate value
range corresponds to the long integer, i.e. is signed.
32-bit value: –2147483648…0…+2147483647
h Please also note the relevant description of the function
blocks provided in the easy800 manual.