Festo EMCA-EC-67 CO Series, Описание

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D CANopen communication
Festo – EMCA-EC-C-HP-EN – 2017-11e – English 321
D.2 Representation of the object characteristics
The objects are represented in the following form:
1
/
2
Index/
Sub
3
Name
4
Object
code
5
Data
type
6
Ac­
cess
7
PDO
map­
ping
8
Value
range
9
Default value
1
1003
h
Pre-defined error field ARRAY – – – – –
2
00
h
Number of errors VAR UINT8 ro no – –
...
h
… … … … … … …
1
Object number (Index)
2
Subindex number (Sub)
3
Object /Sub-index name (Name)
1-language: English
2-language: German (English)
4
Object code (Object code):
– VAR :
Unit value
– ARRAY:
A datafield with several entries,
whereby each entry has the same data
type.
– RECORD (REC):
A datafield with several entries, which
can have different data types.
5
Data type (Data type):
Values with prefixes (Signed Integer)
– INT8 (8 Bit/1 Byte):
−128 … 127
– INT16 (16 Bit/2 Byte):
−32,768 … 32,767
– INT32 (32 Bit/4 Byte):
−2147483648 … 2147483647
Values without prefixes (Unsigned Integer)
– UINT8 (8 Bit/1 Byte):
0 … 255
– UINT16 (16 Bit/2 Byte):
0 … 65,535
– UINT32 (32 Bit/4 Byte):
0 … 4294967295
Characters ( Visible String)
– VSTRING:
0 … 255 (ASCII)
6
Access attribute (Access attribute):
– const: Read only, the value is constant
(read only, value is constant)
– ro: Read only ( read only)
– rw: Read and write (read and write)
– wo: Write only (write only)
7
PDO mapping (PDO mapping):
– no:
The object is not mapped in PDOs
– yes::
The object is mapped in of the PDOs.
8
Value range:
permitted range of values
9
Default value:
Value corresponding to the factory settings
(delivery status)
Fig. D.2 Representation of the object characteristics