A Appendices
A - 12
E3NW-ECT EtherCAT Digital Sensor Communication Unit Operation Manual (E429)
The communication memory of EtherCAT is set by the objects from 1C00 hex to 1C13 hex.
• The sync manager has the following settings.
• SM0 : Mailbox receive (EtherCAT Master Unit to Slave Unit)
• SM1 : Mailbox transmit (EtherCAT Slave Unit to Master Unit)
• SM2 : Process data output (EtherCAT Master Unit to Slave Unit)
• SM3 : Process data input (EtherCAT Slave Unit to Master Unit)
• It indicates the number of PDO mappings used by this sync manager.
• Mailbox reception sync manager does not have PDOs.
A-1-6 Sync Manager Communication Object
1C00 hex Sync Manager Communication Type
Sub-index 0: Number of used SM channels
Range: − Unit: − Default: 04 hex Attribute: −
Size: 1 byte (U8) Access: RO PDO map: Not possible
Sub-index 1: Communication Type Sync Manager 0
Range: − Unit: − Default: 01 hex Attribute: −
Size: 1 byte (U8) Access: RO PDO map: Not possible
Sub-index 2: Communication Type Sync Manager 1
Range: − Unit: − Default: 02 hex Attribute: −
Size: 1 byte (U8) Access: RO PDO map: Not possible
Sub-index 3: Communication Type Sync Manager 2
Range: - Unit: - Default: 03 hex Attribute: -
Size: 1 byte (U8) Access: RO PDO map: Not possible
Sub-index 4: Communication Type Sync Manager 3
Range: - Unit: - Default: 04 hex Attribute: -
Size: 1 byte (U8) Access: RO PDO map: Not possible
1C10 hex Sync Manager 0 PDO Assignment
Sub-index 0: Number of assigned PDOs
Range: 00 hex Unit: − Default: 00 hex Attribute: −
Size: 1 byte (U8) Access: RO PDO map: Not possible