Omron ZG User Manual page 146

Receive System Data < SYSSAVE command >
This command receives the system data from the Controller by XMODEM protocol.
No parameters are provided for this command.
< Command format >
S Y S S A V E
< File transfer >
The file is transferred by XMODEM (-CRC or -SUM) after READY is received.
XMODEM (-K) is not supported.
< Response format >
C R
R E A D Y
When processing ends successfully
C R
O K
When processing fails
C R
E R
144
Serial Communication
C R
ZG User's Manual