Installation and Operation Manual
X-DPT-DeviceNet-SLA5800-SLAMf-Series-RevB-PC-eng
Part Number: 541B200AAG
March, 2015
37
Section 5 - Detailed Configuration
Brooks DeviceNet PCs
5.3.1. Rules Governing Master/Slave Connections
When allocating Master/Slave connections using the Allocate service,
the entire allocation request must be valid or else the allocation is
rejected.
When allocating any of the Master/Slave I/O Connections, the Explicit
Connection must have already been allocated first. Or, if the Explicit
Connection has not been allocated, it can be allocated in the same
request as the I/O Connections.
A Master/Slave Connection that is already allocated cannot be allocated
again unless it is first released. The allocation of a Connection that has
already been allocated AND not released will be considered an invalid
request.
Multiple Master/Slave Connections can be requested in the same
allocation request.
Once a Master has made a successful allocation request to a slave, no
other Master may make allocation requests to the slave until all
Master/Slave connections are released.
Any Master may release Master/Slave connections in any Slave
