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Appendix 2 Details of Buffer Memory Areas
(1) CH Preset value (Un\G0, Un\G1, Un\G32, Un\G33)
• A preset value is stored in this area.
• The setting range is from -2147483648 to 2147483647 (32-bit signed binary).
(2) CH Present value (Un\G2, Un\G3, Un\G34, Un\G35)
• The present counter value is stored in this area.
• The stored value is between -2147483648 and 2147483647 (32-bit signed binary).
(3) CH Coincidence output point No.1 (Un\G4, Un\G5, Un\G36, Un\G37), CH
Coincidence output point No.2 (Un\G6, Un\G7, Un\G38, Un\G39)
• The coincidence output point setting value for comparison with the present counter value is stored in this
area.
• Two coincidence detection output points, CH Coincidence output point No.1 (Un\G4, Un\G5, Un\G36,
Un\G37) and CH Coincidence output point No.2 (Un\G6, Un\G7, Un\G38, Un\G39), can be set for each
channel.
• The setting range is from -2147483648 to 2147483647 (32-bit signed binary).
(4) CH Overflow detection (Un\G8, Un\G40)
• When the counter type is set to linear counter, overflow status is stored in this area.
• Either of the following values is stored based on overflow status.
(5) CH Counter function selection (Un\G9, Un\G41)
• A value to select the counter function is stored in this area.
• The following table shows the setting value for each function.
(6) CH Sampling/periodic time setting (Un\G10, Un\G42)
• A time value for the sampling counter function or the periodic pulse counter function is stored in this area.
• The setting range is from 1 to 65535 (16-bit signed binary)
*1
. The unit of time is 10 (ms).
*1 To set a value between 32768 and 65535, store the value in hexadecimal.
For example, store "F424
H
" to set "62500".
Storing "420" in this area
Status Stored value
No overflow detected 0
Overflow detected 1
Counter function Setting value
Count disable function 0
Latch counter function 1
Sampling counter function 2
Periodic pulse counter function 3
Ex.
420 10 = 4200(ms)