Panasonic FP7 Series Command Reference Manual page 1007

Name Description
Set when the number of characters for operand specifying character constant exceeds 256.
To be set when a mail sending server that has not been specified with the destination server
setting instruction or the tool software is specified.
CY
Set when the instruction is the initialization of Ethernet. The detail code set in SD29 is "11:
Ethernet initialization active".
(SR9)
(Note 1) For details of the error codes stored in the system data SD29, refer to
Registers".
WUME-FP7CPUPGR-12
17.23 SMTPcADD (Destination Group Setting)
"20.2 List of System Data
17-119