Standard
RLL
Instructions
5–17
Standard RLL Instructions
Boolean Instructions
The And
Positive Differential instruction
logically ands a normally open contact in
parallel with another contact in a rung. The
status of the contact will be open until the
associated image register point makes an
Off-to-On transition, closing it for one CPU
scan. Thereafter, it remains open until
another Off-to-On transition.
Aaaa
The And
Negative Differential instruction
logically ands a normally open contact in
parallel with another contact in a rung. The
status of the contact will be open until the
associated image register point makes an
On-to-Off transition, closing it for one CPU
scan. Thereafter, it remains open until
another On-to-Off transition.
Aaaa
Operand Data Type
DL05 Range
A
aaa
Inputs
X
0–377
Outputs
Y
0–377
Control Relays
C
0–777
Stage
S
0–377
Timer
T
0–177
Counter
CT
0–177
In the following example, Y5 will energize for one CPU scan whenever X1 is on and
X2 transitions from Off to On.
Y5
OUT
X1
Direct
SOFT
X2
STR
$
CV
P
ENT
OUT
GX
3
D
SHFT
1
B
ENT
Handheld Programmer Keystrokes
5
F
OR
Q
2
C
ENT
In the following example, Y5 will energize for one CPU scan whenever X1 is on and
X2 transitions from On to Off.
X1
Y5
OUT
Direct
SOFT
X2
STR
$
TMR
N
ENT
OUT
GX
3
D
SHFT
1
B
ENT
Handheld Programmer Keystrokes
5
F
OR
Q
2
C
ENT
And Positive
Differential
(ANDPD)
And Negative
Differential
(ANDND)
Содержание DL05
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Страница 436: ...1B DL05 Error Codes In This Appendix Ċ Error Code Table ...
Страница 443: ...1C Instruction Execution Times In This Appendix Ċ Introduction Ċ Instruction Execution Times ...
Страница 459: ...1D Special Relays In This Appendix Ċ DL05 PLC Special Relays ...
Страница 464: ...1E DL05 Product Weights In This Appendix Ċ Product Weight Table ...
Страница 466: ...1F European Union Directives CE In This Appendix Ċ European Union EU Directives Ċ Basic EMC Installation Guidelines ...