And Positive Differential (Andpd); And Negative Differential (Andnd) - Automationdirect.com DL05 User Manual

And Positive The And Positive Differential instruction
Differential logically ands a normally open contact in
(ANDPD) 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.
And Negative
The And Negative Differential instruction
Differential logically ands a normally open contact in
(ANDND) 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.
Operand Data Type
Inputs
Outputs
Control Relays
Stage
Timer
Counter
In the following example, Y5 will energize for one CPU scan whenever X1 is on and
X2 transitions from Off to On.
DirectSOFT
In the following example, Y5 will energize for one CPU scan whenever X1 is on and
X2 transitions from On to Off.
DirectSOFT
DL05 Range
A
X
Y
C
S
T
CT
X1 X2
X2
X1
Standard RLL Instructions
Boolean Instructions
aaa
0–377
0–377
0–777
0–377
0–177
0–177
Handheld Programmer Keystrokes
$
Y5
STR
OUT Q
SHFT
OR
GX
OUT
Handheld Programmer Keystrokes
$
Y5
STR
OUT
Q
SHFT
OR
GX
OUT
5–17
Aaaa
Aaaa
B
ENT
1
P D C
ENT
CV 3 2
F
ENT
5
B
ENT
1
N D C
ENT
TMR 3 2
F
ENT
5