IDEC WindO/I-NV4 User Manual page 444

2 Word Button
Momentary: Pressing the button writes the constant value of ON data to a word device.
Releasing the button writes the constant value of OFF data to a word device.
Operation and
Pressing and holding the button until the screen changes causes the OFF data to be written to the word
device.
Alternate: Each press of the button alternately writes the fixed value of ON data and OFF data to the word device.
Operation and
Add, Sub, Multi, Div, Mod, OR, AND, XOR:
Pressing the button performs arithmetic on a value of source device address and a constant value or
the value of device address and writes the result to a word device.
Operation and
Data written
Example: Add (Addition)
Value in reference
device address
Operation and
Value in destination
device address
8-24
view
Initial image
Action
Data written
ON data
view
Initial image
Action
Data written
ON data
view
Initial image
Arithmetic
operation
Action
Result
Pressing the button adds the value in the Source 1 to the Source 2 value and writes the
sum in the word device.
100
50
Data
view
Initial image
Addition
Action
0
WindO/I-NV4 User's Manual
Press Release Press
Write Write Write
OFF data ON data
Press Release Press
Write Write
OFF data
Press Release Press
Arithmetic
operation
↓ ↓
Write
Write
Result
200 300 400
40 30 20
Press Release Press
Addition
↓ ↓
Write Write
240 240 420
Release
Write
OFF data
Release
Release
500
10
Release
420