Batch Reset Of Data Register D - Mitsubishi Electric MELSEC-KOJIU Instruction Manual

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5 . EXPLANATION OF PROGRAM
5.4.8 Batch reset of data register D
All consecutive data register contents are cleared to " 0 " .
5.4.8.1 Functions
Function No.: F116
Head No. of register D. D l 10
100451
Binary numerals
Number of data
registers to be reset: D111 Binary numerals
Note: Number of data regktem ranges (from
DO to D95. Batch reset beomes im-
possible when the number of data
regi$tem is out of this range.
(1
)
The head No. of data registers to be reset is specified in D110.
(2) Number (length) of data to be reset is specified in D111.
(3) When F116 is executed under the above-mentioned conditions (1) and (2), all the contents
in the data registers up to 20wds. from D45 (D45
-
064) are cleared to 88088.
5.4.8.2 Circuit applications
I
PLS
Mn . Reset signal is converted into pulse.
B
MOV
K45
I
D l l O
1
1 1
D45 is entered in D110.
20 datas are entered in D111.
Batch reset
Fig. 5.4.8.2 Data Register Batch Reset Circuit
(1) Reset input signal should be converted into pulse signal a t all times.
(2) The register D not backed up (latched) for power failure is automatically reset when the
programmable controller is turned on or CPU "RESET" switch is operated.
(3)
The functions may be used to reset the register D backed up for power failure.
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