
B-64044EN/01 GENERAL 2.OVERVIEW OF DeviceNet FUNCTIONS
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Specifications of the master functions
Setting range of the MAC ID of the master 0 to 63
Setting range of the MAC IDs of slaves for
which communication can be made
0 to 63 (excluding the MAC ID
of the master)
Maximum number of slaves for which
communication can be performed
NOTE)
63
Maximum size of DI/DO data per slave
NOTE)
128 bytes / 128 bytes
Master
functions
Types of connections to be supported
Poll I/O connection
Bit Strobe I/O connection
NOTE
The following restrictions are imposed on the
maximum number of slaves for which
communication can be made and the maximum
size of DI/DO data per slave.
<1> The maximum total size of DI data of all slaves
is 320 bytes.
<2> The maximum total size of DO data of all
slaves is 320 bytes.
<3> The restrictions specified in <1> and <2> may
reduce the maximum number of slaves for
which communication can be made to less
than 63.
<4> The restrictions specified in <1> and <2> may
reduce the maximum size of DI data and DO
data to less than 128 bytes.