Function Block Diagram - Omron Sysmac NX Series User Manual

8-1

Function Block Diagram

This section describes the processing order of analog input signals on the High-speed Analog Input
Units.
Analog input signals are processed in the following order according to the input range and the number
of samplings that you set in the Unit operation settings.
Analog input signal
Enable/Disable setting
AD conversion
User calibration
Digital filtering
Input disconnection detection
(only at 1 to 5 V
or 4 to 20 mA)
Over range/
under range detection
Zero set/zero reset processing
Analog input value
NX-series Analog I/O Units User's Manual for High-speed Analog Input Units (W592)
Disable
Channel
Enable
Detection is enabled
Detection is disabled, or detection
is enabled but not working.
Not detecting
Fixing to
limit value
and working.
Detecting
Unit Over Range for Channel
Or Unit Under Range for Channel
Fixing to
limit value
8 Functions
No processing
Unit I/O Disconnection Detected for
Channel event
event
8
event
8 - 3