Mitsubishi Electric qd63p6 User Manual page 32

Programmable
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3
SPECIFICATIONS
(4) Period setting (Un\G9)
3
- 13
3.4 Buffer Memory Assignment
3.4.2 Details of the buffer memory
• This area is used for writing the cycle at which the periodic pulse counter function
(refer to Section 5.5) is to be performed.
• Setting value when the periodic pulse counter start command (Y05) changes
from OFF to ON becomes effective.
• Setting range is from 1 to 65535 (16-bit binary) and unit of the time is 10 [ms].
Example) Writing 420 to the period setting (Un\G9)
420
10
4200 [ms]
Present value A
0
(Un\G10 and 11)
Periodic pulse
counter start command
(Y05)
Period setting
0
(Un\G9)
Previous periodic pulse
count value
(Un\G14 and 15)
Present periodic pulse
count value
(Un\G16 and 17)
Judgment value
for updated periodic pulse
count value
(Un\G18 and 19)
Periodic counter flag
(Un\G13)
* Period setting (Un\G9) when the periodic pulse counter start
command (Y05) changes from OFF to ON becomes effective.
Figure 3.4 Timing chart for the period setting (Un\G9)
POINT
• When writing from 32768 to 65535 (8000
(Un\G9) (refer to (4) in this section), write it in hexadecimal number.
• If 0 is set to the period setting (Un\G9), the period setting error (error
code: 600) is stored to the error code (Un\G20) and the periodic pulse
counter function is not executed.
To execute the periodic pulse counter function, write a value within the
setting range (1 to 65535) to the period setting (Un\G9) and turn the
periodic pulse counter start command (Y05) ON, OFF and ON again.
Note that the OFF time must be 2ms or longer.
Performed by the QD63P6.
2
1
ON
T1
T1
*
T1
0
1
0
1
2
0
1
ON
3
4
OFF
T2
2
3
2
OFF
to FFFF
) in the period setting
H
H

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