30 Rockwell Automation Publication 842E-UM001C-EN-P - September 2016
Chapter 3 EtherNet/IP Overview
I/O Assembly
The I/O data are retrieved/output via instances.
Figure 15 - Connections for the Configuration Assembly
Instance ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0
1 0 Position value (least significant byte)
1Position value
2Position value
3 Position value (most significant byte)
2 0 Position value (least significant byte)
1Position value
2Position value
3 Position value (most significant byte)
4 Warning Alarm
3 0 Position value (least significant byte)
1Position value
2Position value
3 Position value (most significant byte)
4 Velocity value (least significant byte)
5 Velocity value
6 Velocity value
7 Velocity value (most significant byte)
Table 12 - Data Format of the Attributes of the I/O Assembly
23 h Position Sensor
02h Message
Router
01h Identity
F6h
06h Connection Manager
04h Assembly
F4h
F5h
Network
48 h QoS
47 h DLR
I/O
I/O