Hitachi NJI-350B - Manual (Page 177)

Chapter 5 Instruction Specifications
5-127
Item number FUN instructions-4 Name I/O Refresh (slot)
Ladder format Condition code Processing time ( µs) Remark
R7F4 R7F3 R7F2 R7F1 R7F0 Average Maximum
FUN 82 (s) DER ERR SD V C
* (SLREF (s)) ↕ z z z z
Instruction format Number of steps 311 
Condition Steps
FUN 82 (s) — 3
* (SLREF (s))
Bit Word Double word
Usable I/O
X Y
R,
M
TD, SS,
CU, CT WX WY
WR,
WM TC DX DY
DR,
DM C
o
nstant
Other
s Number of points {
s+1 and
beyond
Slot location number {
Designate the slot
location.
Function
s
s+1
s+2
:
:
s+n
Number of points to be refreshed
Refresh slot location number
Refresh slot location number
Refresh slot location number
n ≤ 64
Refresh slot location number is
designated by unit and slot number.
:
:
• Performs refresh of the designated module for the number of points specified by s, starting with area s+1.
• Refresh is performed by slot.
• The slot location numbers stored in areas s+1 and subsequent are designated by the unit number and slot number.
• The maximum number of points to be refreshed (n) is 64 points. The points exceeding 64 points are not refreshed.
• If refresh processing is completed normally, DER is set to “0.”
* ( ) indicates the display when the Ladder Editor is used.
Program example
R000 DIF0
WR0000 = H0002
WR0001 = H0000
WR0002 = H0010
FUN 82 (WR0000)
LD R000
AND DIF0
[
WR0000 = H0002
WR0001 = H0000
WR0002 = H0010
FUN82 (WR0000)
]
Program description
• Upon leading of R000, the two slots designated after WR0001 (unit 0, slot 0) and (unit 1, slot 0) are refreshed.
F
UN 82 (s
)