7. COMMUNICATION THAT DO NOT REQUIRE
THE SEQUENCE PROGRAM
MELSEC-A
7-30
7.2
FMA7 Service
FMA 7 service is for reading and setting CRL (Communication Relationship List) for FMS on the
network. In PROFIBUS-FMS networks there exists a station dedicated to network management called
the Configurator, and the bus parameters and CRL for FMS are batched processed by that station.
Including the FMA7 service function now makes it possible to set on the network the bus parameters
and CRL for FMS that could previously only be done using the utility SW0IX-PROFPE.
To use the FMA7 service function the communication for FMA7 must be set in the AJ71PB96F/
A1SJ71PB96F using the SW0IX-PROFPE. The communication No. is fixed as No.1. (PROFIBUS-FMS
prescribed)
7.2.1 FMA7
communication
Specify the FMA7 communication parameters using the SW0IX-PROFPE. The setting items are as
follows.
Item Setting
range
Package
initial
value
Max Send PDU (low)
Max Receive PDU (low)
0 to 241
0 to 241
241
241
7.2.2 FMA7
service
outline
The FMA7 service has the following services.
FMA7 Initiate
FMA7 connection initiation
FMA7 Abort
FMA7 connection abort
InitiateLoadCRL
LoadCRL CRL
setting
TerminateLoadCRL
ReadCRL CRL
read
SetValue
Bus parameter setting
ReadValue
Bus parameter read