Mitsubishi QD60P8-G User Manual page 36

3 SPECIFICATIONS
Item
• Setting "1" in the counter reset request resets the "sampling
pulse number", "accumulating count value" or "input pulse value"
of the buffer memory.
• When a reset is made, the input pulses are invalid for a
maximum of 20ms.
• If count operation has been stopped due to the detection of an
Counter reset overflow when the accumulating counter is used as the linear
counter, the count operation is resumed after completion of a
request
counter reset.
• If the setting value is other than 1, the setting is ignored.
[Setting value]
1: Reset request
(The value automatically turns to "0" after completion of a
counter reset.)
• If the "accumulating count value" of the buffer memory exceeds
99999999 when the accumulating counter is used as the ring
counter, the carry over detection flag turns ON.
• Unlike the overflow detection flag, count operation is continued.
• The carry over detection flag is reset by setting "1" in the "carry
Carry over
over reset request" of the buffer memory.
detection flag
• Unlike the overflow detection flag, an error does not occur if the
carry over flag turns ON.
[Detection value]
0: No carry over detection (OFF)
1: Carry over detection (ON)
• Set the carry over reset request.
• If the setting value is other than 1, the setting is ignored.
Carry over reset [Setting value]
1: Reset request
request
(The value automatically turns to "0" after completion of a carry
over reset.)
• Stores the error code.
Error code
• The latest error code is always stored into the error code.
• Set whether an alarm will be output or not for the "sampling pulse
number" of the buffer memory.
• If the setting value is other than 0 or 1, an alarm output setting
Alarm output
range outside error (error code: 500) occurs.
selection
[Setting value]
0: Alarm output function invalid
1: Alarm output function valid
• When "alarm output function valid" has been set in the "alarm
output selection" of the buffer memory, the alarm output flag
turns ON if the sampling pulse number exceeds the upper/upper
limit value or lower/lower limit value.
b15
Alarm output flag
Not used
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Details
b12 b8 b4 b0
Storage Item
Not used
Lower limit alarm
Upper limit alarm
*: Refer to Section 9.3 for details of the error codes.
Initial
value CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8
0
0
0
0
0
0
Meaning
0:OFF (Normal)
1:ON (Range over)
MELSEC-Q
Buffer memory address
13 45 77 109 141 173 205 237
14 46 78 110 142 174 206 238
15 47 79 111 143 175 207 239
16 48 80 112 144 176 208 240
17 49 81 113 145 177 209 241
18 50 82 114 146 178 210 242
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