IDEC SmartAXIS Touch FT1A Series User Manual

4 Special Functions
3-64 SmartAXIS Touch User's Manual
Special data register list
When using the devices above with instructions or 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.
■ 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.
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.
■ 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.
■ 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
1
(I0 to I1)
2
(I2)
3
(I3)
4
(I4)
5
(I5)
Read/Write
Current Value
(Upper word)
D8050 D8056 D8068 D8134 D8140
R
Current Value
(Lower word)
D8051 D8057 D8069 D8135 D8141
Preset Value
(Upper word)
D8052 D8058 D8070 D8136 D8142
R/W
Preset Value
(Lower word)
D8053 D8059 D8071 D8137 D8143
Reset Value
(Upper word)
D8054 D8060 D8072 D8138 D8144
Reset Value
(Lower word)
D8055 D8061 D8073 D8139 D8145
Group
1
(I0 to I1)
2
(I2)
3
(I3)
4
(I4)
5
(I5)
Read/Write
Gate Input M8031 M8041 M8056 M8167 M8174 R/W
Group
1
(I0 to I1)
2
(I2)
3
(I3)
4
(I4)
5
(I5)
Read/Write
Current Value
(Upper word)
D8050 D8056 D8068 D8134 D8140
R
Current Value
(Lower word)
D8051 D8057 D8069 D8135 D8141
Group
1
(I0 to I1)
2
(I2)
3
(I3)
4
(I4)
5
(I5)
Read/Write
Comparison ON
Status
M8034 M8043 M8060 M8171 M8176 R
Group
1
(I0 to I1)
2
(I2)
3
(I3)
4
(I4)
5
(I5)
Read/Write
Overflow M8035 M8044 M8061 M8172 M8177 R
Group
1
(I0 to I1)
2
(I2)
3
(I3)
4
(I4)
5
(I5)
Read/Write
Underflow M8036 – – – – R

IDEC SmartAXIS Touch FT1A Series Specifications

General

Brand	IDEC
Model	SmartAXIS Touch FT1A Series
Category	Controller
Language	English