Manual

Supported Objects 41
Doc.Id. HMSI-216-117
CM CANopen Module for SIMATIC S7-1200
Doc.Rev. 1.00
7.3.1 I/O Buffer Addresses and Object Dictionary Indices Relation
The (Q-area) application data bytes 0 - 31 are mapped to three different areas in the Local Object Dic-
tionary. The same data is mapped to each area, but as different data types. For example: byte to index
A040h, subindex 1 - 32, word to index A100h, subindex 1 - 16 and double-word (long) to indexA200h,
subindex 1 - 8
.
The picture shows the Transmit data area. The Receive data area is structured in the same way, see pic-
ture on next page.
Transmit data area
Byte 0 - 7
Byte 8 - 15
Byte 16 - 23
Byte 24 - 31
Byte 32 - 39
Byte 40 - 47
Byte 232- 239
Byte 240- 247
Byte 248- 255
Byte 208- 215
Byte 215- 223
Byte 224- 231
Byte 1
Byte 2
Byte 3
Byte 31
Byte 30
Byte 29
Byte 28
Byte 0
Byte 255
Byte 254
Byte 253
Byte 252
Byte 211
Byte 210
Byte 209
Byte 208
Byte object
Index, sub-index
Long object
Index, sub-index
Word object
Index, sub-index
A040h, 1
}
A040h, 2
A040h, 3
A040h, 4
A040h, 29
A040h, 30
A040h, 31
A040h, 32
}
}
}
A100h, 1
A100h, 2
A100h, 15
A100h, 16
}
}
A200h, 1
A200h, 8
A040h, 209
}
A040h, 210
A040h, 211
A040h, 212
A040h, 253
A040h, 254
A041h, 1
A041h, 2
}
}
}
A100h, 105
A100h, 106
A100h, 127
A100h, 128
}
}
A200h, 53
A200h, 54
A040h, 5
}
A040h, 6
A040h, 7
A040h, 8
}
A100h, 3
A100h, 4
}
A200h, 2
A040h, 9
}
A040h, 10
A040h, 11
A040h, 12
}
A100h, 5
A100h, 6
}
A200h, 3
A040h, 13
}
A040h, 14
A040h, 15
A040h, 16
}
A100h, 7
A100h, 8
}
A200h, 4
A040h, 17
}
A040h, 18
A040h, 19
A040h, 20
}
A100h, 9
A100h, 10
}
A200h, 5
A040h, 21
}
A040h, 22
A040h, 23
A040h, 24
}
A100h, 11
A100h, 12
}
A200h, 6
A040h, 25
}
A040h, 26
A040h, 27
A040h, 28
}
A100h, 13
A100h, 14
}
A200h, 7
Byte 7
Byte 6
Byte 5
Byte 4
Byte 11
Byte 10
Byte 9
Byte 8
Byte 15
Byte 14
Byte 13
Byte 12
Byte 19
Byte 18
Byte 17
Byte 16
Byte 23
Byte 22
Byte 21
Byte 20
Byte 27
Byte 26
Byte 25
Byte 24