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Operation and communication
2
0
1
6
-0
9
45
The device-specific object directory OV contains all parameters and process data for the
reader. The parameters and process data are listed in tables. The object directory has two
defined areas. In the first area, the reader is described in general terms. The device ID, the
name of the manufacturer, and the communication parameters are listed here. In the second
area, the specific functionality of the reader is described.
An entry in the object list is identified via a 16-bit index and an 8-bit subindex. Access to device
parameters and process data, such as input signals and output signals, device functions, and
network variables, is provided via the assignment within the object list in standardized form
over the CANopen network.
Device Type
Error Register
The 8-bit data of the error register describes errors as follows:
SYNC Identifier
The 32-bit data of the identifier in the SYNC message describes the synchronization as follows:
Index
Subindex
Description
Data type
Attribute
PDO mapping
possible
Default value
0x1000
0
Device Type
unsigned32
1
1.Data type without prefix, 32 bit
ro (=
r
ead
o
nly)
no
0x00000000
Table 5.1
The device type of the reader is 0x00000000, since no specific device profile is implemented.
Index
Subindex
Description
Data type
Attribute
PDO mapping
possible
Default value
0x1001
0
Error Register unsigned8
ro
no
0x00
Bit
7
6
5
4
3
2
1
0
0
Reserved
Reserved
Communicat
ion errors
Reserved
Reserved
Reserved
Generic
error not
specified in
more detail
1
1.Flag is set for every error message
Index
Subindex
Description
Data type
Attribute
PDO mapping
possible
Default value
0x1005
0
COB-ID SYNC
Message
unsigned32
rw (=
r
ead/
w
rite)
no
0x00000080
Bit
31
30
...
10 ... 0
Has no meaning
0
1
1.Always 0, since reader is only for SYNC consumers, not SYNC producers
...
Identifier
0x80 = 128
dec