IDEC FT1A Series User Manual page 111

Device allocation table
The devices used by the high-speed counter are as follows.
Special internal relay list
Group
Comparison Output Reset
Gate Input
Reset Input
Reset Status
Comparison ON Status
Overflow
Underflow
Count Direction flag
Special data register list
Group
Current Value (Upper word)
Current Value (Lower word)
Preset Value (Upper word)
Preset Value (Lower word)
Reset Value (Upper word)
Reset Value (Lower word)
When using the devices above with instructions/FB where the data type unit can be specified, specify the data type as double word
(D). 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.
Start/stop high-speed counter
•
The high-speed counter can be started and stopped per group by turning the gate input on or off.
Group
Gate Input
Current value storage locations
•
The current value for the single-phase high-speed counter is stored in special data registers as 2 words per group.
Group
Current Value (Upper word)
Current 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.
Comparison ON status
•
When the current value and the preset value match, the special internal relay turns on for only one scan.
Group
Comparison ON Status
1 2
(I0 to I1) (I2)
M8030 M8040
M8031 M8041
M8032 M8042
M8033 —
M8034 M8043
M8035 M8044
M8036 —
M8037 —
1 2
(I0 to I1) (I2)
D8050 D8056
D8051 D8057
D8052 D8058
D8053 D8059
D8054 D8060
D8055 D8061
1 2
(I0 to I1) (I2)
M8031 M8041
1 2
(I0 to I1) (I2)
D8050 D8056
D8051 D8057
1 2
(I0 to I1) (I2)
M8034 M8043
S AXIS P /L U
MART RO ITE
3 4
(I3 to I4) (I5)
M8045 M8055
M8046 M8056
M8047 M8057
M8050 —
M8051 M8060
M8052 M8061
M8053 —
M8054 —
3 4
(I3 to I4) (I5)
D8062 D8068
D8063 D8069
D8064 D8070
D8065 D8071
D8066 D8072
D8067 D8073
3 4
(I3 to I4) (I5)
M8046 M8056
3 4
(I3 to I4) (I5)
D8062 D8068
D8063 D8069
3 4
(I3 to I4) (I5)
M8051 M8060
' M FT9Y-B1378
SER S ANUAL
5: S F
PECIAL UNCTIONS
5 6
Read/Write
(I6) (I7)
M8166 M8173
M8167 M8174
M8170 M8175
— —
M8171 M8176
M8172 M8177
— —
— —
5 6
Read/Write
(I6) (I7)
D8134 D8140
D8135 D8141
D8136 D8142
D8137 D8143
D8138 D8144
D8139 D8145
5 6
Read/Write
(I6) (I7)
M8167 M8174
5 6
Read/Write
(I6) (I7)
D8134 D8140
D8135 D8141
5 6
Read/Write
(I6) (I7)
M8171 M8176
R/W
R
R
R/W
R/W
R
R
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