Table 19: Supported object classes
Class code Class Description Services Instances
0x01 Identity object Contains all device-
specific data (e.g., ID,
device type, device
status, etc.)
Get_Attribute_Single
Get_Attribute_All
Reset
1
0x02 Message router
object
Contains all supported
class codes for the
device and the maxi‐
mum number of con‐
nections
- 1
0x04 Assembly object Groups the data of
multiple objects into a
single object
Get_Attribute_Single
Set_Attribute_Single
5
0x06 Connection man‐
ager object
Contains connection-
specific attributes for
trigger, transport, con‐
nection type, etc.
Get_Attribute_Single 1
0x47 DLR (Device Level
Ring) object
Contains the status
and configuration
attributes of the DLR
protocol
Get_Attribute_Single
Get_Attribute_All
1
0x48 QoS (Quality of
Service) object
Contains mechanisms
for processing data
flows with different pri‐
orities
Get_Attribute_Single
Set_Attribute_Single
1
0xF5 TCP/IP interface
object
Contains the attrib‐
utes for TCP/IP, such
as IP address, subnet
mask, and gateway or
reference for the IP
address via DHCP
Get_Attribute_Single
Set_Attribute_Single
Get_Attribute_All
1
0xF6 Ethernet link
object
Contains connection-
specific attributes,
such as transmission
speed, interface sta‐
tus, and MAC address
Get_Attribute_Single
Set_Attribute_Single
Get_Attribute_All
Get_and_Clear
2
0x83 IO-Link device
parameter object
Allows access to the
IO-Link device param‐
eters
Custom service 8
8.1.1.5.1 IO-Link device parameter object (0x83)
The SIG350 enables acyclic reading and writing of the parameters of connected IO-Link
devices via SIDU. The object provides the option of mapping CIP services to IO-Link
services.
Reading an IO-Link device index
A specific index of a connected IO-Link device can be read out using the Read_ISDU 75
service (0x4B). The corresponding IO-Link port is addressed via the corresponding CIP
instance number. Attributes do not have to be addressed.
The service data contains the index and subindex of the corresponding IO-Link device
parameter.
The structure of a read ISDU request:
8 OPERATION
40
O P E R A T I N G I N S T R U C T I O N S | Sensor Integration Gateway - SIG350 8027834./2022-06-10 | SICK
Subject to change without notice
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