Single Phase Speed-Counter - Toshiba PROSEC T1 User Manual

8.3.2

Single phase speed-counter

Function
This function counts the number of changes of the count input from OFF to ON during the
every specified sampling time. The count value in a sampling time is stored in the hold
value register.
This counter operation is enabled while the soft-gate is ON. When the soft-gate is OFF,
the hold value is cleared to 0.
The setting range of the sampling time is 10 to 1000 ms (10 ms units).
The count value range is H0000 to HFFFF (16-bit).
Hardware condition
Count input (X000 and X001)
ON/OFF pulse width: 100 ms or more (max. 5 kHz)
Related registers
SW16: Function selection. Refer to section 8.1.
Count input
Sampling time
Hold value
Soft-gate
Note 1) The setting data range of the sampling time is 1 to 100. (10 ms multiplier)
Note 2) When both channels are used, X000 and X001 cannot be used as normal
Interrupt assignment
No interrupt function.
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Function Register/device
Channel 1
X000
SW18
SW22
S240
input devices. However, if either one channel is used, the input for unused
channel can be used as normal input devices.
8. Special I/O Functions
Channel 2
X001 (Note 2)
SW20 Data range: 1 to 100 (Note 1)
SW23 Data range: H0000 to HFFFF
S248 Operation is enabled when ON
Basic Hardware and Function
Remarks
275