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T1/T1S User’s Manual
6. Programming Information
6.9 On-line debug support functions
The following on-line (during RUN) functions are supported in the T1/T1S for effective
program debugging.
On-line function T1 T1S
4 k mode 8 k mode
Force function Yes Yes Yes
Samplin
g
trace function Yes Yes Yes
Chan
g
in
g
timer /counter preset
value
Yes Yes Yes
Chan
g
in
g
constant operand of
function instruction
No Yes Yes
Chan
g
in
g
device directly No Yes Yes
Pro
g
ram chan
g
in
g
in edit mode No Yes No
EEPROM write command No Yes Yes
Force function
Two types of force functions are available, input force and coil force.
The input force is used to disable the external input signals. When an external input
device is designated as forced input, the ON/OFF state of the device can be changed
manually by using the data setting function of the programming tool, regardless of the
corresponding external signal state. The input force designation is available for the
external input devices (X).
The coil force is used to disable the coil instruction. When a coil instruction on the
program is designated as forced coil, the ON/OFF state of the coil device can be
changed manually by using the data setting function of the programming tool, regardless
of the coil circuit execution status.
On the programming tool, the forced input and forced coil are expressed as follows.
Forced input
ForcedNormal
X005 x005
Forced coil
ForcedNormal
Y023 Y023
NOTE
NOTE
Refer to section 6.5 for 4 k/8 k mode of the T1S.
If EEPROM write operation is executed with remaining the force designation,
the force designation is also saved into the built-in EEPROM. Because the
force function is debugging function, release all force designation before
executing the EEPROM write operation. The force batch release command is
available when the T1/T1S is in HALT mode.
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