Yokogawa Standalone MW100 - Manual (Page 96)

3-2
IM MW100-17E
3.2 Explicit Messaging
Explicit Messaging is a point to point, request/response messaging protocol for
unscheduled information transfer. In ladder logic programming explicit messaging is
usually denoted by a messaging command that is all inclusive (what is going to be read
or written and to what register in what device).
Example message command from RSLogix 5000 as used with CompactLogix PLC
Example message command from RSLogix 500 as used with SLC 500 PLC