927
Basic I/O Unit Instructions
Section 3-23
3-23 Basic I/O Unit Instructions
This section describes instructions used with I/O Units.
3-23-1 I/O REFRESH: IORF(097)
Purpose
Refreshes the specified I/O words.
Ladder Symbol
Variations
Applicable Program Areas
Operands
St: Starting Word
CIO 0000 to CIO 0999 (I/O Bit Area) or
CIO 2000 to CIO 2959 (Special I/O Unit Bit Area)
E: End Word
CIO 0000 to CIO 0999 (I/O Bit Area) or
CIO 2000 to CIO 2959 (Special I/O Unit Bit Area)
Note
St and E must be in the same memory area.
Operand Specifications
Instruction
Mnemonic
Function code
Page
I/O REFRESH
IORF
097
927
SPECIAL I/O UNIT I/O REFRESH
FIORF
225
930
CPU BUS UNIT I/O REFRESH
DLNK
226
933
7-SEGMENT DECODER
SDEC
078
938
INTELLIGENT I/O READ
IORD
222
963
INTELLIGENT I/O WRITE
IOWR
223
968
DIGITAL SWITCH INPUT
DSW
210
941
TEN KEY INPUT
TKY
211
946
HEXADECIMAL KEY INPUT
HKY
212
949
MATRIX INPUT
MTR
213
954
7-SEGMENT DISPLAY OUTPUT
7SEG
214
958
IORF(097)
St
E
St
: Starting word
E
: End word
Variations
Executed Each Cycle for ON Condition
IORF(097)
Executed Once for Upward Differentiation
@IORF(097)
Executed Once for Downward Differentiation
Not supported.
Immediate Refreshing Specification
Not supported.
Block program areas
Step program areas
Subroutines
Interrupt tasks
OK
OK
OK
OK
Area
St
E
CIO Area
CIO 0000 to CIO 0999
CIO 2000 to CIO 2959
Auxiliary Area
---
Holding Bit Area
---
Special Bit Area
---
Timer Area
---
Summary of Contents for SYSMAC CS1D-CPU**
Page 3: ...iv...
Page 29: ...xxx...
Page 185: ...146 List of Instructions by Function Code Section 2 4...
Page 1389: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2...
Page 1390: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits...
Page 1391: ...1352 ASCII Code Table Appendix A...