Omron E3NX-CA51 2M User Manual

7 - 7
7 Function Specifications
E3NW-ECT EtherCAT Digital Sensor Communication Unit Operation Manual (E429)
7-2 Functions of E3NW-ECT
7
7-2-3 Mode Setting Functions for PDO Communications
 Details of Functions
• Normal Mode
This mode allows you to assign up to 350 bytes of input data.
The assigned input data (except for I/O data) are divided and refreshed in order across more than
one cycle.
• Detection Level Speed Priority Mode
This mode allows you to assign up to 108 bytes of input data.
All assigned input data are refreshed every cycle.
The refresh cycle depends on the number of Sensors, amount of assigned data, and whether
input filters and Dummy Sensors are used.
The refresh cycle for data in the Sensor Communications Unit for each mode is given in the
following table.
• Free-Run Mode
• DC Mode
The refresh cycle is the same as the output cycle of the Sync0 signal.
The PDO communications mode is set through SDO communications.
The applicable index is 300C hex.
For the set values, refer to the description of object index 300C hex (TxPDO Mapping Mode) in "A-1
Object Dictionary" on page A-2.
Mode Normal Mode Detection Level Speed Priority Mode
Number of Sensors 30 max. 16 max. 30 max. 30 max. 30 max.
Assigned data size
[bytes]
350 16 max. 36 max. 37 to 76 77 to 108
Input filter With or without None
With or
without
With or
without
With or
without
Dummy Sensors With or without None
With or
without
With or
without
With or
without
Refresh cycle [μs] 200 100 125 150 175
Setting Methods

Omron E3NX-CA51 2M Specifications

General

Brand	Omron
Model	E3NX-CA51 2M
Category	Accessories
Language	English