9.3.4 I/O Allocation
• As shown in the table of specifications, the inputs and outputs used will differ depending on the
channel number being used.
• The output turned on and off can be specified with instructions F166 (HC1S) and F167 (HC1R) for
desired output (Yn:n<300).
When using CH0 of the high-speed counter
with incremental input and reset input
When using CH0 of the high-speed counter
with two-phase input and reset input
* The output turned on and off when the target
value is reached can be specified as arbitrary
output of the main unit or add-on cassette.
* The output turned on and off when the target
value is reached can be specified as arbitrary
output of the main unit or add-on cassette.
Reference: <9.2.1 Table of Specifications> <9.2.2 Functions Used and Restrictions>
9.3.5 Instructions used with High-speed Counter Function
High-speed counter control instruction (F0)
• This instruction is used for counter operations such as software reset and count disable.
• Specify this instruction together with the special data register DT90052.
• Once this instruction is executed, the settings will remain until this instruction is executed again.
Operations that can be performed with this instruction
• Counter software reset (bit0)
• Counting operation enable/disable (bit1)
• Hardware reset enable/disable (bit2)
• Clear high-speed counter instructions F166 to F167
• Clear target value match interrupt
Example: Performing a software reset
In the above program, the reset is performed in step (1) and 0 is entered just after that in step (2). The
count is now ready for operation. If it is only reset, counting will not be performed.
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