Chapter 5. Ethernet Global Data
GFK-2224Q January 2017 85
Command Block for Enable/Disable PLC Time Update COMMREQ
Word Offset Value Description
Word 1 Length of command data block. Always 2
Word 2 0 Always 0 (Wait/No Wait mode request).
Word 3 For a list of memory type codes, see
“COMMREQ Status for the EGD
Commands” in Chapter 6.
Memory type of the COMMREQ status word.
Word 4 0-based Offset of COMMREQ status word. For CRS word
values, refer to page 86.
Word 5 0 Always 0.
Word 6 0 Always 0.
Word 7 5002 Enable/Disable Time Update command number
Word 8 1 = Enable PLC time update
0 = Disable PLC time update
This word contains the value to enable or disable
this Ethernet interface to update the PLC clock. This
word must be set to 0 to disable PLC clock updates,
and set to 1 to enable PLC clock updates. All other
values will cause COMMREQ to return a failure
status.
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