Instructions ss single shot timer – Toshiba 6F3B0253 User Manual
Page 133
6F3B0253
Basic Hardware and Function
131
7. Instructions
SS
Single shot timer
Expression
Input
[ A SS B ]
Output
Function
When the input is changed from OFF to ON, the output and the timer device corresponding to the
timer register B are set to ON, and timer updating for B is started. The elapsed time is stored in B.
When the specified time by A has elapsed after the input came ON, the output and the timer device
are turned OFF. (Timer updating is stopped)
The available data range for operand A is 0 to 32767.
Execution condition
Input
Operation
Output
OFF
Elapsed time
<
preset time (timer is updating)
ON
Elapsed time
≥
preset time (timer is not updating)
OFF
ON
Elapsed time
<
preset time (timer is updating)
ON
Elapsed time
≥
preset time (timer is not updating)
OFF
Operand
Name
Device
Register
Constant Index
X
Y
R
S
T.
C. XW YW RW SW T
C
D
I
J
K
A Preset time
√
√
√
√
√
√
√
√
√
√
0 - 32767
B Elapsed time
√
Example
Y021 (and the timer device T.003) is turned OFF 1 second after X000 came ON.
X000
T003
T.003
Y021
Preset time (1 s)
Preset time (1 s)
Preset value
Note
•
Time is set in 10 ms units for;
T1:
T000 to T031 (0 to 327.67 s)
T1S: T000 to T063 (0 to 327.67 s)
•
Time is set in 100 ms units for;
T1:
T032 to T063 (0 to 3276.7 s)
T1S: T064 to T255 (0 to 3276.7 s)
•
Multiple
timer
instructions
(TON,
TOF
or
SS) with the same timer register are not
allowed.