
Table of Contents • v
WAGO-I/O-SYSTEM 750
CANopen
4.2.3 Network Topology.............................................................................81
4.2.4 Interface Modules..............................................................................82
4.2.5 Configuration Software .....................................................................82
4.3 Network Communication .......................................................................82
4.3.1 Communication Objects ....................................................................83
4.3.1.1 Process Data Object - PDO...........................................................83
4.3.1.2 Service Data Object - SDO...........................................................84
4.3.1.3 Synchronization Object - SYNC...................................................93
4.3.1.4 Emergency Object (EMCY) .........................................................94
4.3.2 Communication states of a CANopen fieldbus coupler/controller....95
4.3.2.1 CANopen state diagram................................................................95
4.3.2.2 INITIALIZATION........................................................................95
4.3.2.3 PRE-OPERATIONAL..................................................................96
4.3.2.4 OPERATIONAL...........................................................................96
4.3.2.5 STOPPED .....................................................................................96
4.3.3 Network Management Objects..........................................................97
4.3.3.1 Module Control Protocols.............................................................97
4.3.3.2 Error Control Protocols.................................................................98
4.3.3.3 Node Guarding Protocol...............................................................99
4.3.3.4 Heartbeat Protocol ........................................................................99
4.3.3.5 Bootup Protocol ..........................................................................100
4.3.4 Object Directory ..............................................................................100
4.3.4.1 Initialization................................................................................102
4.3.4.2 Communication Profile Area......................................................106
4.3.4.3 Manufactor Specific Profile Area...............................................117
4.3.4.4 Standard Device Profile Area – DS 401.....................................129
4.3.5 PDO Transmission...........................................................................137
4.3.5.1 Mapping......................................................................................137
4.3.5.2 Transmit PDO1...........................................................................138
4.3.5.3 Receive PDO1.............................................................................139
4.3.5.4 Transmit PDO2...........................................................................140
4.3.5.5 Receive PDO2.............................................................................141
4.3.6 SYNC Monitoring ...........................................................................142
4.3.7 Node Guarding ................................................................................142
4.3.8 Heartbeat Monitoring ......................................................................144
4.3.9 Error Message (Emergency)............................................................144
4.3.9.1 Diagnostic Message of I/O Modules ..........................................146
5I/O Modules.............................................................................................148
5.1 Overview..............................................................................................148
5.1.1 Digital Input Modules......................................................................148
5.1.2 Digital Output Modules...................................................................150
5.1.3 Analog Intput Modules....................................................................151
5.1.4 Analog Output Modules ..................................................................152
5.1.5 Special Modules ..............................................................................153
5.1.6 System Modules ..............................................................................154
5.2 Process Data Architecture for CANopen .............................................155
5.2.1 Digital Input Modules......................................................................155
5.2.2 Digital Output Modules...................................................................157
5.2.3 Analog Input Modules.....................................................................161