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173
Sequence Output Instructions
Section 3-4
3-4-4
DIFFERENTIATE UP/DOWN: DIFU(013) and DIFD(014)
Purpose
DIFU(013) turns the designated bit ON for one cycle when the execution con-
dition goes from OFF to ON (rising edge).
DIFD(014) turns the designated bit ON for one cycle when the execution con-
dition goes from ON to OFF (falling edge).
Ladder Symbols
Variations
Note Immediate refreshing is not supported by the CS1D CPU Units.
Note Immediate refreshing is not supported by the CS1D CPU Units.
Applicable Program Areas
Operand Specifications
B: Bit
DIFU(013)
B
B: Bit
DIFD(014)
B
Variations
Executed Each Cycle for ON Condition
Not supported
Executed Once for Upward Differentiation
DIFU(013)
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification (See note.)
!DIFU(013)
Variations
Executed Each Cycle for ON Condition
Not supported
Executed Once for Upward Differentiation
DIFD(014)
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification (See note.)
!DIFD(014)
Block program areas
Step program areas
Subroutines
Interrupt tasks
Not allowed
OK
OK
OK
Area
B
CIO Area
CIO 000000 to CIO 614315
Work Area
W00000 to W51115
Holding Bit Area
H00000 to H51115
Auxiliary Bit Area
A44800 to A95915
Timer Area
---
Counter Area
---
DM Area
---
EM Area without bank
---
EM Area with bank
---
Indirect DM/EM
addresses in binary
---
Indirect DM/EM
addresses in BCD
---
Constants
---
Data Registers
---
Summary of Contents for CJ1G-CPUxx
Page 3: ...iv N o t i c e ...
Page 5: ...vi ...
Page 21: ...xxii Conformance to EC Directives 6 ...
Page 35: ......
Page 1131: ...1110 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...