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161
Sequence Input Instructions
Section 3-3
3-3
Sequence Input Instructions
3-3-1
LOAD: LD
Purpose
Indicates a logical start and creates an ON/OFF execution condition based on
the ON/OFF status of the specified operand bit.
Ladder Symbol
Variations
Note Immediate refreshing is not supported by CS1D CPU Units for Duplex-CPU
Systems.
Applicable Program Areas
Operand Specifications
Bus bar
Starting point of block
Variations Restarts Logic and Creates ON Each Cycle
Operand Bit is ON
LD
Restarts Logic and Creates ON Once for
Upward Differentiation
@LD
Restarts Logic and Creates ON Once for
Downward Differentiation
%LD
Immediate Refreshing Specification (See note.)
!LD
Combined
Variations
Refreshes Input Bit, Restarts Logic, and
Creates ON Once for Upward Differentiation
(See note.)
!@LD
Refreshes Input Bit, Restarts Logic, and
Creates ON Once for Downward Differentiation
(See note.)
!%LD
Block program areas
Step program areas
Subroutines
Interrupt tasks
OK
OK
OK
OK
Area
LD operand bit
CIO Area
CIO 000000 to CIO 614315
Work Area
W00000 to W51115
Holding Bit Area
H00000 to H51115
Auxiliary Bit Area
A00000 to A95915
Timer Area
T0000 to T4095
Counter Area
C0000 to C4095
Task Flag Area
TK0000 to TK0031
Condition Flags
ER, CY, N, OF, UF, >, =, <, >=, <>, <=, A1, A0
Clock Pulses
0.02 s, 0.1 s, 0.2 s, 1 s, 1 min
TR Area
TR0 to TR15
DM Area
---
EM Area without bank
---
EM Area with bank
---
Indirect DM/EM
addresses in binary
---
Indirect DM/EM
addresses in BCD
---
Constants
---
Содержание SYSMAC CS Series
Страница 2: ......
Страница 4: ...iv ...
Страница 30: ...xxx ...
Страница 186: ...146 List of Instructions by Function Code Section 2 4 ...
Страница 194: ...154 3 35 4 MOVE BIT MOVBC 568 1273 3 35 5 BIT COUNTER BCNTC 621 1275 3 35 6 GET VARIABLE ID GETID 286 1277 ...
Страница 1320: ...1280 Model Conversion Instructions Unit Ver 3 0 or Later Section 3 35 ...
Страница 1390: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...
Страница 1391: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits ...
Страница 1392: ...1352 ASCII Code Table Appendix A ...
Страница 1404: ...1364 Revision History ...