IFM Electronic AL1122, Руководство по эксплуатации

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ifm Operating Instructions IO-Link Master with EtherNet/IP interface StandardLine 8 Ports IP 65 / IP 67 (AL1122) 2017-05-31
Appendix
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Quality of Service (object class: 0x48)
23661
Quality of Service (QoS) enables prioritising of Ethernet frames. The priorities of the Ethernet frames
can be influenced with the attributes "Differentiate Service Code Points" (DSCP) or "802.1Q Tag".
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Class attributes
23662
Attr ID Access Name Data type Description Value
1 Get Revision UINT Revision of the object 3
2 Get Max instance UINT Max. number of instances of the object 1
6 Get Maximum ID Number
Class Attributes UINT ID of the last class attribute 7
7 Get Maximum ID Number
Instance Attributes UINT ID of the last instance attribute 8
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Instance attributes
23663
Attr ID Access Name Data type Description Value
1 Get 802.1Q tagRevision USINT Current network topology 0
2 Get, Set DSCP PTP Event USINT DSCP value for PTP event frames 59
3 Get, Set DSCP PTP general USINT DSCP value for PTP general frames 47
4 Get, Set DSCP PTP Urgent USINT DSCP value for implicit messages with "urgent"
priority 55
5 Get, Set DSCP Scheduled USINT DSCP value for implicit messages with "scheduled"
priority 47
6 Get, Set DSCP High USINT DSCP value for implicit messages with "high" priority 43
7 Get, Set DSCP Low USINT DSCP value for implicit messages with "low" priority 31
8 Get, Set DSCP explicit USINT DSCP value for explicit messages with "scheduled"
priority 27
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Supported services
23664
Service code Name Class Attribute Description
dec hex
01 01 Get_Attribute_All yes yes Read all attribute values
14 0E Get_Attribute_Single no yes Read single attribute value