Configuring Pulse Input Channels (Release Number 3 And Later); Setting The Range - YOKOGAWA GX20 User Manual

1.4 Configuring Pulse Input Channels (Release
number 3 and later)
1.4.1

Setting the Range

Path
Description
IM 04L51B01-01EN
Set the input range, alarm, and display conditions of pulse input channels and display
conditions.
To perform pulse input integration, the computation (/MT) option is required.
For details on computation, see page 1-83 in section 1.8, "Configuring Math Channels (/
MT option)".
For computation examples, see page App-29 in section Appendix 7, "Computation
Examples Using Pulse Input".
GX/GP: MENU key > Browse tab > Setting > Setting menu Pulse input channel settings
> Range
Web application: Config. tab > Pulse input channel settings > Channel range (display
example: 0701-0710) > Range
Hardware configurator: Pulse input channel settings > Channel range (display example:
0701-0710) > Range
Setup Item
First-CH
Last-CH
First-CH, Last-CH
Set the target channels. The channels that you can specify appear depending on the module
configuration.
Range
Setup Item
Type
Range
Chattering filter
Span Lower
Span Upper
Calculation
1
Reference channel
1 Appears when Calculation is set to Delta.
Type
Set the input type.
Options Description
Skip Not measured.
Pulse Counts pulses
Range
Set the pulse input range.
Options Description
Level Voltage input (counted when a change from 1 V or lower to 3 V or higher is
detected)
Contact Contact input (counted when a change from 100 kΩ or higher to 200 Ω or
lower is detected)
Chattering filter
This filter prevents pulse count errors caused by chattering or noise.
Options Description
Off The chattering filter is not used.
On The chattering filter is used.
Selectable Range or Options
Pulse input channel
Pulse input channel
Selectable Range or Options
Skip, Pulse
Level, Contact
Off, On
0 to 200000
Delta: -200000 to 200000
0 to 200000
Delta: -200000 to 200000
Off, Delta, Linear scaling
Number (I/O channel number)
1
2
3
4
5
App
Default Value
—
—
Index
Default Value
Pulse
Level
On
0
200000
Off
—
1-63