Omron NX-EC0112 User Manual

7 SSI Input Units
7 - 54
NX-series Position Interface Units User’s Manual (W524)
The following timing charts show the timing for both Free-Run refreshing and synchronous I/O refresh-
ing.
 Free-Run Refreshing
*1. Bit changes are not always detected depending on the I/O refresh cycle and timing when you use Free-Run
refreshing.
*2. You can compare the values of the Encoder Present Position Refresh Count parameter to check if the data
has been refreshed when you use Free-Run refreshing.
 Synchronous I/O Refreshing
Timing Charts
Data communications
SSI data communications
Data refresh bit
(in SSI Unit)
Communications
completed.
Free-Run refreshing performed. Free-Run refreshing performed.
Encoder present
position refresh
counter (in SSI Unit)
Time
Time
Data refresh bit
(host Controller)
Encoder present
position refresh
counter (host
Controller)
(*1)
(*2)
(*2)
Data communications
SSI data communications
Data refresh bit
(in SSI Unit)
Communications
completed.
Synchronous refresh timing Synchronous refresh timing Synchronous refresh timing
Encoder present
position refresh
counter (in SSI Unit)
Time
Time
Data refresh bit
(host Controller)
Encoder present
position refresh
counter (host
Controller)

Omron NX-EC0112 Specifications

General

Brand	Omron
Model	NX-EC0112
Category	Controller
Language	English