IDEC FT1A Series User Manual page 112

5: S F
PECIAL UNCTIONS
Overflow
•
When the current value exceeds 4,294,967,295, the special internal relay turns on for only one scan. When the current value
overflows, it becomes 0.
Group
Overflow
Underflow
•
When the current value falls below 0, the special internal relay turns on for only one scan. When the current value underflows, it
becomes 4,294,967,295.
Group
Underflow
Comparison output reset
•
When the special internal relay turns on, the comparison output selected on High-speed Counter Settings turns off.
Group
Comparison Output Reset
Reset input
•
When reset input is turned on, the current value returns to the reset value.
Reset input
Current value N-1
Group
Reset Input
Preset value, reset value storage locations
•
The preset value and the reset value for the high-speed counter are stored in special data registers as 2 words.
Group
Preset Value (Upper word)
Preset Value (Lower word)
Reset Value (Upper word)
Reset Value (Lower word)
When the 32-bit data storage setting in the function area settings is set to From Lower Word, the lower word is stored in the
first device.
5-24
1 2
(I0 to I1) (I2)
M8035 M8044
1 2
(I0 to I1) (I2)
M8036 —
1 2
(I0 to I1) (I2)
M8030 M8040
N N+1
1 2
(I0 to I1) (I2)
M8032 M8042
1 2
(I0 to I1) (I2)
D8052 D8058
D8053 D8059
D8054 D8060
D8055 D8061
S AXIS P /L
MART RO ITE
3 4
(I3 to I4) (I5)
M8052 M8061
3 4
(I3 to I4) (I5)
M8053 —
3 4
(I3 to I4) (I5)
M8045 M8055
Reset value (initial value)
3 4
(I3 to I4) (I5)
M8047 M8057
3 4
(I3 to I4) (I5)
D8064 D8070
D8065 D8071
D8066 D8072
D8067 D8073
U ' M FT9Y-B1378
SER S ANUAL
5 6
Read/Write
(I6) (I7)
M8172 M8177
5 6
Read/Write
(I6) (I7)
— —
5 6
Read/Write
(I6) (I7)
M8166 M8173
5 6
Read/Write
(I6) (I7)
M8170 M8175
5 6
Read/Write
(I6) (I7)
D8136 D8142
D8137 D8143
D8138 D8144
D8139 D8145
R
R
R/W
R/W
R/W