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16 SM-EtherCAT User Guide
www.controltechniques.com Issue Number: 2
Assigning RxPDO to the Sync Manager
To assign RxPDO1 to sync manager 2 PDO assignment set the values below to the
following objects:
• Index: 0x1C12
• Sub index: 0x00
•Size: 1
• Value: 1
Setting object 0x1C12, sub-index 0 to a value of 1 (as above) indicates that one RxPDO
will be assigned to the sync manager 2 assignment.
• Index: 0x1C12
• Sub index: 0x01
•Size: 2
• Value: 0x1600
Setting object 0x1C12, sub-index 1 to a value of 0x1600 (as above) maps RxPDO1 to
the process data output sync.
Assigning TxPDO to the Sync Manager
To assign TxPDO1 to sync manager 3 PDO assignment set the values below to the
following objects:
• Index: 0x1C13
• Sub index: 0x00
•Size: 1
• Value: 2
Setting object 0x1C13, sub-index 0 to a value of 2 (as above) indicates that two
TxPDO's will be assigned to the sync manager 3 assignment.
• Index: 0x1C13
• Sub index: 0x01
•Size: 2
• Value: 0x1A00
• Index: 0x1C13
• Sub index: 0x02
•Size: 2
• Value: 0x1A05
Setting object 0x1C13, sub-index 1 to a value of 0x1A00 and sub-index 2 to a value of
0x1A05 (as above) maps TxPDO1 and TxPDO6 to the process data input sync.
Download the configuration to the master.
After downloading the configuration to the master the LED(s) on the front of the SM-
EtherCAT should flash, depending on the port(s) connected.
Values written to parameters over RxPDOs should now be viewable using the drive’s
keypad so long as the master has put the slave into the Operational state; also,
parameter values changed using the drive keypad will be updated on the master.