User manual

42
Word register F000 (F0.0 to F0.15)
Only a bit process is available.
Address Function Description Normal status
F0.00 System check
When the power is applied, the system self-checks the
ROM. Should any fault exist, the error lamp is turned on.
Output and operation are halted.
OFF
F0.01 CPU ROM check
When the power is applied, the system self-checks the
ROM. Should any fault exist, the error lamp is turned on.
Output and operation are halted.
OFF
F0.02 CPU RAM check
When the power is applied, the system self-checks the
RAM. Should any fault exist, the error lamp is turned on.
Output and operation are halted
OFF
F0.03
User program
memory error
If the user program memory is damaged or the program is
faulty, the error lamp is turned on. Output and operation
are halted.
OFF
F0.04
Program syntax
error
The CPU initially runs and checks the user program’s
syntax. In the case of an error, the error lamp is turned on.
Output and operation are halted.
OFF
F0.05
Module range
error
Indicates an invalid R word (>64) used. OFF
F0.06
Module change
error
On when an I/O module is removed/added/fails while the
system is running. The error lamp is on and the CPU keeps
running. Turned off when the error is corrected.
OFF
F0.07 Module type error
On when the I/O module information that is stored in the
CPU and module that is installed are different types, the
error lamp is turned on. Operation stops.
OFF
F0.08 Input data control
Off when the running CPU input module’s data is not
updated. (Input update is turned Off.)
ON
F0.09
Output data
control
Off to suspend updating of the output modules while the
CPU is in the Run state. (Output update is turned Off). The
outputs are maintained in their last valid state prior to
update being disabled.
ON
F0.10 All output off
Turns all outputs off while CPU is in the Run state.
(Outputs are disabled)
ON
F0.11
Constant cycle
interrupt
On when the constant cycle interrupt instructions are used.
(Refer to the INT instructions.)
(The cycle time is defined by the user.)
OFF
F0.12 Watchdog error On when a scan time exceeds the watchdog set time. OFF
F0.13
Disable module
type checking
On when the CPU starts the initial Run and the program is
checked without performing I/O module type verification.
F0.14
Program changes
during running
On when a user corrects the program while in Run mode. If
there are any syntax errors, the CPU is stopped.
F0.15 Run state control
On when the CPU is in the Run state. Off when stopped or
paused.
ON