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Appendix | EtherCAT Documentation
capaNCDT 6500
A 5.1.8 Service Data SDO Service
Service Data Objects (SDOs) are primarily used for the transmission of data that are not
time critical, e.g. parameter values. EtherCAT specifies the SDO services as well as the
SDO information services: SDO services make possible the read/write access to entries
in the CoE object directory of the device. SDO information services make it possible to
read the object directory itself and to access the properties of the objects. All parameters
of the measuring device can be read or changed in this way, or measurements can be
transmitted. A desired parameter is addressed via index and subindex within the object
directory.
A 5.2
CoE – Object Directory
The CoE object directory (CANopen over EtherCAT) contains all the configuration data of
the sensor. The objects in CoE object directory can be accessed using the SDO ser-
vices. Each object is addressed using a 16-bit index.
A 5.2.1 Communication Specific Standard Objects (CiA DS-301)
Overview
Index (h) Name
Description
1000
Device type
Device type
1001
Error register
Error register
1008
Device name
Manufacturer device name
1009
Hardware version
Hardware version
100A
Software version
Software version
1018
Identity
Device identification
1A00
TxPDO Mapping
TxPDO Mapping
1C00
Sync. manager type
Sync. manager type
1C13
TxPDO assign
TxPDO assign
Object 1000h: Device type
1000
VAR
Device type
0x00200000 Unsigned32 ro
Provides information about the used device profile and the device type.
Object 1001h: Error register
1001
VAR
Error register
0x00
Unsigned8
ro
Object 1008h: Manufacturer device name
1008
VAR
Device name
DT6530
Visible String ro
Object 1009h: Hardware version
1009
VAR
Hardware version
V x.xxx
Visible String ro
Object 100Ah: Software version
100A
VAR
Software version
V x.xxx
Visible String ro
Object 1018h: Device identification
1018
RECORD Identity
Subindices
0
VAR
Number of entries
4
Unsigned8
ro
1
VAR
Vendor ID
0x0000065E Unsigned32 ro
2
VAR
Product code
0x003EDE73 Unsigned32 ro
3
VAR
Revision
0x00010000 Unsigned32 ro
4
VAR
Serial number
0x009A4435 Unsigned32 ro
The article number is deposit in the product code, the serial number of the sensor in
serial number.
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