Step Instructions; Basic I/O Unit Instructions - Omron SYSMAC CJ - REFERENCE MANUAL 01-2008 Reference Manual

Instruction Functions

2-2-20 Step Instructions

Instruction Symbol/Operand
Mnemonic
Code
STEP DEFINE
STEP(008)
STEP
008
B: Bit
STEP START
SNXT(009)
SNXT
009
B: Bit

2-2-21 Basic I/O Unit Instructions

Instruction Symbol/Operand
Mnemonic
Code
I/O REFRESH
IORF(097)
IORF
@IORF
097
St: Starting word
E: End word
SPECIAL I/O
UNIT I/O FIORF(225)
REFRESH
(CJ1-H-R only)
FIORF
N: Unit number
@FIORF
225
CPU BUS UNIT
DLNK(226)
I/O REFRESH
(CS1-H, CJ1-H,
CJ1M, or CS1D
only)
N: Unit number
DLNK
@DLNK
226
88
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.
B
(2)Ends the step programming area (i.e., step execution).
SNXT(009) is used in the following three ways:
(1)To start step programming execution.
B
(2)To proceed to the next step control bit.
(3)To end step programming execution.
Refreshes the specified I/O words.
I/O bit area or
St
Special I/O Unit bit area
E
St
E
Performs I/O refreshing immediately for the specified Special I/O Unit's
allocated CIO Area and DM Area words.t with the specified unit num-
ber.
N
Immediately refreshes the I/O in the CPU Bus Unit with the specified
unit number.
N
Function
Function
I/O Unit or
Special I/O Unit
I/O refreshing
Section 2-2
Location Page
Execution
condition
Output 910
Required
Output 910
Required
Location Page
Execution
condition
Output 927
Required
Output 930
Required
Output 933
required