APPENDIX MELSEC-A
A-10
Appendix 5 Maximum Service Counter
The maximum service counter (SCC, RCC, SAC, RAC) is used with layer 7 (LLI).
The setting ranges for each connection type are shown below.
Connection Type : MMAC
SCC
RCC
SAC
RAC
MASTER
0 to 1
0 to 2
0 to 1
0 to1
Connection Type : MSAC
Connection Type : MSAC_SI
SCC RCC SAC RAC
SCC RCC SAC RAC
MASTER
0 to 1
0
0 to 1
0
MASTER
0 to 1
0
0 to 1
0 to 1
SLAVE
0
0 to 2
0
0 to1
SLAVE
0
0 to 2
0 to 1
0 to1
Connection Type : MSCY
Connection Type : MSCY_SI
SCC RCC SAC RAC
SCC RCC SAC RAC
MASTER
0
0
0 to 1
0
MASTER
0
0
0 to 1
0 to 1
SLAVE
0
0
0
0 to1
SLAVE
0
0
0 to 1
0 to1
Connection Type : BRCT
Connection Type : MULT
SCC RCC SAC RAC
SCC RCC SAC RAC
MASTER
0 0 0 0
MASTER
0 0 0 0
SLAVE 0 0 0 0
SLAVE 0 0 0 0