Comtrol IO-Link Master EIP-4 - Manual (Page 3)

IO-Link Master EtherNet/IP Reference Manual: 2000589 Rev. A Table of Contents - 3
Table of Contents
Chapter 1. EtherNet/IP Interface .......................................................................................7
1.1. Introduction............................................................................................................................................. 7
1.1.1. Functionality Summary ................................................................................................................... 7
1.1.2. Data Type Definitions ...................................................................................................................... 8
1.1.3. Terms and Definitions ...................................................................................................................... 9
1.2. Data Transfer Methods ....................................................................................................................... 10
1.2.1. Receive Process Data Methods....................................................................................................... 10
1.2.1.1. Polling-PLC Requests Data .................................................................................................. 10
1.2.1.2. Write-to-Tag/File-IO-Link Master Writes Data Directly Into PLC Memory ..................... 10
1.2.1.3. Class 1 Connection (Input Only)-PLC and IO-Link Master Utilize an I/O Connection.... 11
1.2.2. Transmit Process Data Methods.................................................................................................... 11
1.2.2.1. PLC-Writes ........................................................................................................................... 11
1.2.2.2. Read-from-Tag/File-IO-Link Master Reads Data from PLC Memory ................................ 11
1.2.2.3. Class 1 Connection (Input and Output)-PLC and IO-Link Master Utilize an I/O Connection
12
1.3. Process Data Block Descriptions...................................................................................................... 13
1.3.1. Input Process Data Block Description........................................................................................... 13
1.3.1.1. Input Process Data Block-8 Bit Data Format...................................................................... 14
1.3.1.2. Input Process Data Block-16 Bit Data Format.................................................................... 14
1.3.1.3. Input Process Data Block-32 Bit Data Format.................................................................... 14
1.3.2. Output Process Data Block Description ........................................................................................ 15
1.3.2.1. Output Process Data Block-8 Bit (SINT) Data Format....................................................... 15
1.3.2.2. Output Process Data Block-16 Bit (INT) Data Format ....................................................... 15
1.3.2.3. Output Process Data Block-32 Bit (DINT) Data Format .................................................... 16
Chapter 2. Functionality Descriptions............................................................................17
2.1. Event Handling ..................................................................................................................................... 17
2.1.1. Clear Event After Hold Time Process............................................................................................ 18
2.1.2. Clear Event in PDO Block Process ................................................................................................ 19
2.1.3. Clear Event Code in PDO Block and Clear Event After Hold Time Process-PDO Block First.. 20
2.1.4. Clear Event Code in PDO Block and Clear Event After Hold Time Process-Hold Time Expires ..
21
2.2. ISDU Handling ...................................................................................................................................... 21
2.2.1. ISDU Request/Response Structure................................................................................................ 22
2.2.1.1. Single ISDU Command Request .......................................................................................... 22
2.2.1.2. Multiple ISDU Command Structure .................................................................................... 23
2.2.2. ISDU Request Message Format-From PLC to IO-Link Master................................................... 25
2.2.2.1. Standard ISDU Request Command Format ........................................................................ 25
2.2.2.2. Integer (16-Bit Word) ISDU Request Command Format .................................................... 26
2.2.3. ISDU Response Message Format................................................................................................... 27
2.2.3.1. Standard ISDU Response Command Format ...................................................................... 27
2.2.3.2. Integer (16-Bit Word) ISDU Response Command Format.................................................. 28
2.2.4. ISDU Blocking and Non-Blocking Methods .................................................................................. 29
2.2.4.1. Single Command Blocking.................................................................................................... 29
2.2.4.2. Multiple Command Blocking ................................................................................................ 30
2.2.4.3. Single Command Non-Blocking............................................................................................ 31
2.2.4.4. Multiple Command Non-Blocking ........................................................................................ 32