Function Block Diagram

1.5.5Setting list of built-in PLC function parameter

The built-in PLC function parameters are designed to specify the ranges of using the PLC function, e.g. program capacity, device assignment and various functions.

Item

GX Developer Default

Setting Range

<Usable device range>

 

 

Sequence program

6k steps

1k step

capacity

 

 

File register capacity

None

Cannot be set (default)

Comment capacity

None

Cannot be set (default)

Status latch

None

Cannot be set (default)

Sampling trace

None

Cannot be set (default)

Microcomputer program

None

Cannot be set (default)

capacity

 

 

Latch range setting

L1000 to L2047

Cannot be set (invalid if set)

Link range setting

None

Cannot be set (default)

I/O assignment

None

Cannot be set (default)

Internal relay, latch relay,

M0 to 999

L and S cannot be set.

L1000 to 2047

(Operates as M if set)

step relay setting

None for S

<M0 to M63>

 

Watchdog timer setting

200ms

10 to 2000ms

 

100ms: T0 to 199

16 points for 100ms, 10ms and

Timer setting

10ms: T200 to 255

retentive timers. Timers have

(100ms timers since only T0 to 7

consecutive numbers.

 

 

are available)

<T0 to T15>

Counter setting

Without interrupt counters

Cannot be set (default)

<C0 to C15>

 

 

 

 

Can be set using X0 to 1F.

Remote run/pause

None

Otherwise invalid. Pause does not

 

 

function.

 

Fuse blow: Continued

Setting invalid (since there are no

 

fuses)

 

 

 

I/O verify error: Stop

Setting invalid

Error-time operation mode

(since there are no I/O modules)

 

 

Operation error: Continued

Stop/Continued

 

Special function module check

Setting invalid (since there are no

 

error: Stop

special modules)

STOP → RUN output mode

Operation status prior to

Prior to STOP/after operation

STOP is re-output.

execution

 

Print title registration

None

Cannot be set

Keyword registration

None

Online setting cannot be made but

parameter setting is valid.

 

 

REMARKS

•The following functions are not supported.

1.Constant scan, 2. Latch (device data backup for power failure), 3. Pause,

4.Status latch, 5. Sampling trace, 6. Offline switch

•If parameter clear of the inverter is performed, the above built-in PLC function parameters are not cleared.

•For the built-in PLC function parameter setting operation, refer to the GX Developer Operating Manual.

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PLC FUNCTION

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Mitsubishi Electronics FR-A700, 700 Series specifications Setting list of built-in PLC function parameter