Yaskawa MP2300S Basic Module - Manual (Page 419)

Appendix G MSG-SND/MSG-RCV Functions (Ethernet)
G.2 Message Receive Function (MSG-RCV)
A-97
Appendices
Fig. G.11 218IF Parameter Setting Screen for the MPE720 Module Configuration Definition Window
( 5 ) Option (PARAM03)
A unique value is output for each communication device.
Not used for the MEMOBUS or Extended MEMOBUS protocols.