![background image](http://html1.mh-extra.com/html/omron/sysmac-nx-series/sysmac-nx-series_user-manual_742270053.webp)
1-4
List of Functions
This section describes the High-speed Analog Input Unit functions.
Function name
Description
Reference
Synchronous I/O Refresh-
ing
With this I/O refreshing method, the timing to read inputs or to
refresh outputs is synchronized on a fixed interval between
more than one NX Unit connected to a CPU Unit.
In addition, with this I/O refreshing method, the timing to read
inputs or to refresh outputs is synchronized on a fixed interval
between more than one NX Unit on more than one Slave Ter-
minal.
5-2-2 Setting the
I/O Refreshing
Methods
Selecting Channel To Use
This function skips the conversion processing and error de-
tection processing for unused inputs, and reduces the size of
I/O data for the Unit.
Input Range Selection
This function sets the input range of analog input.
Number of Samplings
Setting
This function sets the number of samplings for analog input
data to obtain.
The sampling period is determined by the task period of the
assigned periodic task and the number of samplings per peri-
od.
8-4 Number of
Samplings Setting
Digital Filtering
This function uses the digital filter to remove noise compo-
nents that are contained in analog input signals to suppress
the fluctuations of analog input values. You can use the digital
low-pass filter and moving average filters.
Input Disconnection De-
tection
This function detects disconnections of the analog input sig-
nal lines. It detects disconnections only when the input range
is 1 to 5 V or 4 to 20 mA.
8-6 Input Discon-
nection Detection
Over Range/Under Range
Detection
This function detects when the analog input signal exceeds
the range for which conversion is possible.
8-7 Over Range/
Under Range De-
tection
User Calibration
This function corrects offsets in the converted values that oc-
cur due to the deterioration of the NX Units and calibrate the
Units.
Zero Set/Zero Reset
The zero set function corrects the analog input value to be
the zero point at a desired time. The zero reset function re-
sets the correction that is performed with the zero set func-
tion.
Trigger Input
This function obtains the input value of the digital input signal
to trigger analog input signals, and the DC time at which the
input changed.
Input Filter
This function prevents fluctuations of data and maintains sta-
bility when the input bits of digital input signal at the trigger in-
puts are unstable due to chattering or noise.
1 Features and System Configuration
1 - 11
NX-series Analog I/O Units User’s Manual for High-speed Analog Input Units (W592)
1-4 List of Functions
1
Содержание Sysmac NX-series
Страница 4: ...Introduction 2 NX series Analog I O Units User s Manual for High speed Analog Input Units W592...
Страница 42: ...Sections in this Manual 40 NX series Analog I O Units User s Manual for High speed Analog Input Units W592...
Страница 100: ...4 Installation and Wiring 4 32 NX series Analog I O Units User s Manual for High speed Analog Input Units W592...
Страница 142: ...7 I O Data and List of Settings 7 24 NX series Analog I O Units User s Manual for High speed Analog Input Units W592...
Страница 238: ...10 Inspection and Maintenance 10 6 NX series Analog I O Units User s Manual for High speed Analog Input Units W592...
Страница 300: ...Appendices A 62 NX series Analog I O Units User s Manual for High speed Analog Input Units W592...
Страница 301: ...I Index I 1 NX series Analog I O Units User s Manual for High speed Analog Input Units W592 I...
Страница 303: ...W Wiring Terminal 4 7 Index I 3 NX series Analog I O Units User s Manual for High speed Analog Input Units W592 I...
Страница 304: ......
Страница 305: ......