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7 SSI Input Units
NX-series Position Interface Units User’s Manual (W524)
7-6 I/O Refreshing Method Setting
7
7-6-5 Differences in I/O Refreshing Methods Based on the Controller
Yes: Can be used, Partial: Can be used with restrictions, No: Cannot be used
Function
EtherCAT Coupler Unit
Free-Run refreshing
*1
*1. If you use the Unit as an axis in the MC Function Module, either synchronous I/O refreshing or task period pri-
oritized refreshing is used as the I/O refreshing method.
Synchronous I/O
refreshing
Task period priori-
tized refreshing
*2
*2. Unit version 1.2 or later and an NX-ECC203 EtherCAT Coupler Unit are required.
SSI data settings No Yes Yes
Coding method No Yes Yes
Encoder count direction No Yes Yes
Bit shifting No Yes Yes
Parity check No Yes Yes
Data refresh status No Yes Yes
Error data detection No Yes Yes
I/O refreshing method setting
No
Partial
*1
Partial
*1
Time stamping
*3
*3. An EtherCAT Coupler Unit with unit version 1.1 or later is required.
No Yes Yes