Omron CJ - PROGRAMMING MANUAL 12-2009 - Step Instructions; Basic I;O Unit Instructions

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Step Instructions
Section 3-20
3-20 Step Instructions
3-21 Basic I/O Unit Instructions
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution condition
STEP DEFINE
STEP
008
STEP(008) functions in following 2 ways, depending on its position and
whether or not a control bit has been specified.
(1)Starts a specific step.
(2)Ends the step programming area (i.e., step execution).
Output
Required
STEP START
SNXT
009
SNXT(009) is used in the following three ways:
(1)To start step programming execution.
(2)To proceed to the next step control bit.
(3)To end step programming execution.
Output
Required
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution condition
I/O REFRESH
IORF
@IORF
097
Output
Required
SPECIAL I/O
UNIT I/O
REFRESH
(CJ1-H-R only)
FIORF
@FIORF
225
Immediately refreshes the I/O words allocated to the Special I/O Unit
with the specified unit number.
Output
Required
CPU BUS UNIT
I/O REFRESH
(CS1-H, CJ1-H,
CJ1M, or CS1D
only)
DLNK
@DLNK
226
Immediately refreshes the I/O words allocated to the CPU Bus Unit
with the specified unit number.
Output
required
STEP(008)
B
B: Bit
SNXT(009)
B
B: Bit
IORF(097)
St
E
St: Starting word
E: End word
St
E
I/O refreshing
Refreshes the specified I/O words.
I/O bit area or
Special I/O Unit bit area
I/O Unit or
Special I/O Unit
FIORF(225)
N
N: Unit number
DLNK(226)
N
N: Unit number