You can define up to eight (8) transmission areas for compound unsolicited messages.

To define a transmission area, add the following to the global parameter file:


Where <n> is a number from 1 to 8 and <address> is the starting address of the transmission area in the PLC.

For example,


defines a transmission area starting at %R500.

Note that the size of the transmission area depends on the number of packets and the size of each packet.