Mitsubishi Electronics FX3G User Manual

FX

3S

/FX

3G

/FX

3GC

/FX

3U

/FX

3UC

 Series

Programming Manual - Basic & Applied Instruction Edition

24 Others – FNC181 to FNC189

This instruction updates the current value of a specified high-speed counter or ring counter.
The function of this instruction varies depending on the PLC version.

*1.

Ring counters (D8099 and D8398) cannot be specified in FX

3UC

 PLCs before Ver. 2.20.

S: Only high-speed counters (C235 to C255) and ring counters (D8099 and D8398) can be specified.

• The current value of a high-speed counter or ring counter specified in 

 is transferred to [

+1, 

].

• After transfer, the current value of the high-speed counter or ring counter is processed as shown in the table below 

depending on the set value of "n":

Device number of high-speed counter or ring counter*

1

 handled as transfer source

32-bit binary

Device number handled as transfer destination

n

Specification to clear the current value of high-speed counter or ring counter

*1

 (transfer

source) after transfer    [clear (K1), no clear (K0)]

16-bit binary

System User

Digit Specification

System User

Special 

Unit

Index

Con-
stant

Real 

Number

Charac-

ter String

Pointer

X Y M T C S D .b KnX KnY KnM KnS T C D R U \G

V Z Modify K H

E

" "

P

S S

n

High-speed counter

C235 to C255

Current value of high-speed counter 

 

→  [

+1, 

]

Ring counter

D8099

D8099 

→ 

"0" is stored in 

+1.

D8398

Current value of [D8399, D8398] 

→  [

+1, 

]

K0 (H0)

Does not clear the current value (no processing).

K1 (H1)

Clears the current value to "0".

D

FNC 189

HCMOV

Mnemonic

Operation Condition

16-bit Instruction

 13 steps DHCMOV

Mnemonic

Operation Condition

Continuous

Operation

32-bit Instruction

⎯
⎯

⎯

S

D

S

D

FNC189

DHCMOV

n

S

D

Command

input

S

D

D

S

D

D

S

D

D

D

D

D

D