Mitsubishi Electronics FX3G User Manual

317

/FX

3GC

/FX

3UC

Series

Programming Manual - Basic & Applied Instruction Edition

12 Data Operation – FNC 40 to FNC 49

12.1 FNC 40 – ZRST / Zone Reset

FN
C30
-FN
C3

ota

tion and

Shi
ft

FN
C40-FN

C49

ata O
perati

FNC

50-FNC

High-Speed

Proc

essing

FM
C60-FN

C69

andy

struction

FN
C70-FN

C79

xternal

I/O

vice

FNC

80-FNC

External

Dev
ice

FNC1
00-
FNC10

Dat
a

Transfer 2

FNC1

10-
FNC139

oati

ng Poi

FNC14

0-F

149

Operation 2

FNC1

50-
FNC159

Pos
itioning

Control

When

and

are word devices

"K0" is written to the entire range from

at one time.

Related instructions

1. RST instruction

As an independent reset instruction for devices, RST instruction can be used for bit devices (Y, M and S) and word
devices (T, C, D and R).

2. FMOV (FNC 16) instruction

FMOV (FNC 16) instruction is provided to write a constant (example: K0) at one time. By using this instruction, "0" can
be written to word devices (KnY, KnM, KnS, T, C, D and R) at one time.

Cautions

1. Caution on specifying devices

Specify same type of devices in

and

. The device number of

should be smaller than or equal to the

device number of

If the device number of

is larger than the device number of

, only one device specified in

is reset.

2. When specifying high-speed counters (C235 to C255)

The ZRST instruction is handled as the 16-bit type, but 32-bit counters can be specified in

and

However, it is not possible to specify a 16-bit counter in

and specify a 32-bit counter in

;

and

should be the same type.

Example

FNC 40

ZRST

Devices through are reset at one time.

Command

input

Before

execution

After

execution

Executed

…

+9 +8 +7 +6 +5 +4 +3

X001

RST

M0 is reset.

The current value of T0 is

reset.

D0 is reset.

X002

K0 is written to D0 to D99 at one time.

FNC 16

FMOV

K100

Command

input

FNC 40

ZRST

C180

C230

16-bit

counter

32-bit

counter

Command

input

FNC 40

ZRST

C180

C199

FNC 40

ZRST

C200

C230