4. FUNCTIONS
MELSEC-A
4-22
4) Identifier No., channel No.
The slave identifier No. and channel No. are discussed below. The identifier No. is the
No. that is attached from the header of each slave module. Each module can have
multiple channels. Refer to the each slave specifications regarding to the channel
numbering method.
Slave
PROFIBUS-DP
network
16 point
DI
byte
2 channels
32 point
DO
byte
4 channels
32 point
DO
2 words
1 channels
Slot
Identifier
Channel
No.
No.
No.
0
1
2
0
1
2
0,1
0,1,2,3
0