KUNBUS-COM EtherCAT
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Fieldbus I/O
Fieldbus Input Data
(Direction of Master)
You can access this data in 3 ways:
– Byte
– Word
– Double Word.
Index
Object Name
Su-
bindex
Description
Data Type
Access
Comment
2000h
Input Buffer
00h
Number of entries
U8
RO
(byte access)
Modbus Register
0x2801 - 2880
01h
Input buffer byte #0
U8
RO
02h
Input buffer byte #1
...
...
80h
Input buffer byte #127
2001h
Input Buffer
00h
Number of entries
U8
RO
01h
Input buffer Byte #128
U8
RO
02h
Input buffer byte #129
...
...
80h
Input buffer byte #255
Fieldbus Output Data
(from the Master)
You can access this data in 3 ways:
– Byte
– Word
– Double Word.
Index
Object Name
Subindex
Description
Data Type
Access
Comment
2000h
Output Buffer
00h
Number of entries
U8
RW
(byte access)
Modbus Register
0x1801 - 1880
01h
Output buffer byte #0
U8
RW
02h
Output buffer byte #1
...
...
80h
Output buffer byte
#127
2001h
Output Buffer
00h
Number of entries
U8
RW
01h
Output buffer byte
#128
U8
RW
02h
Output buffer byte
#129
...
...
80h
Output buffer byte
#255
Communication model