Toshiba PROSEC T1-16S PLC User's Manual - CTi Automation

7. Instructions
7.1 List of instructions
106 T1-16S User’s Manual
6F3B0253
The T1-16S has 21 types of basic ladder instructions and 97 types of function
instructions as listed below. The specifications of each instruction will be described in
detail later.
The tables listing these instructions are provided as a quick reference. (Note: In the
following table, italic character means operand, i.e. register, device or constant value.)
Basic ladder instructions
FUN
No.
Name Expression Function Steps Speed
(µs)
− NO contact A NO (normally open) contact of
device A.
− NC contact A
NC (normally closed) contact
of device A.
− Transitional
Turns ON output for 1 scan
contact (rising)
when input changes from OFF
to ON.
− Transitional
Turns ON output for 1 scan
contact (falling)
when input changes from ON
to OFF.
− Coil A
Relay coil of device A.
Page
1 1.4 - 3.3 117
1 1.4 - 3.3 118
1 3.0 119
1 3.0 120
1 2.3 121
− Forced coil A
Forced coil of device A. State
of device A is retained
regardless of the input state.
1 2.3 122
− Inverter I Inverts the input state. 1 1.4 - 3.3 123
− Invert coil A
I
Stores the inverse state of
input into device A.
1 2.3 124
− Positive pulse
contact
− Negative pulse
contact
A
P
A
N
− Positive pulse coil A
P
− Negative pulse coil A
N
Turns ON output for 1 scan
when input is ON and device A
changes from OFF to ON.
Turns ON output for 1 scan
when input is ON and device A
changes from ON to OFF.
Turns ON device A for 1 scan
when input changes from OFF
to ON.
Turns ON device A for 1 scan
when input changes from ON
to OFF.
− ON delay timer −[ A TON B ]− Turns ON output when the
time specified by A has
elapsed after the input came
ON. B is a timer register.
− OFF delay timer −[ A TOF B ]− Turns OFF output when the
time specified by A has
elapsed after the input came
OFF. B is a timer register.
− Single shot timer −[ A SS B ]− Turns ON output for the time
specified by A when the input
comes ON. B is a timer
register.
1 125
1 126
1 127
1 128
2 12.6 129
2 12.8 130
2 13.0 131
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