Automationdirect.com DirectLOGIC DL205 Series User Manual page 240

And Positive Differential (ANDPD)
The And Positive Differential instruction logically
230
ANDs a normally open contact in series with another
contact in a rung. The status of the contact will be open
240
until the associated image register point makes an Off-
250-1
to-On transition, closing it for one CPU scan.
260
Thereafter, it remains open until another Off-to-On
transition.
And Negative Differential (ANDND)
The And Negative Differential instruction logically
230 ANDs a normally open contact in series with another
contact in a rung.The status of the contact will be open
240
until the associated image register point makes an On-
250-1
to-Off transition, closing it for one CPU scan. Thereafter, it remains open until another On-
to-Off transition.
260
Operand Data Type
Inputs
Outputs
Control Relays
Stage
Timer
Counter
Global
Global
In the following example, Y5 will energize for one CPU scan whenever X1 is on and X2
transitions from Off to On.
DS Implied
HPP Used
DirectSOFT
X1
In the following example, Y5 will energize for one CPU scan whenever X1 is on and X2
transitions from On to Off.
DirectSOFT
X1
Chapter 5: Standard RLL Instructions - Boolean
A
X
Y
C
S
T
CT
GX
GY
X2
Y5
OUT
X2
Y5
OUT
DL205 User Manual, 4th Edition, Rev. B
DL250-1 Range
aaa
0–777
0–777
0–1777
0–1777
0–377
0–177
–
–
Handheld Programmer Keystrokes
$ B
ENT
STR 1
V P D
SHFT
AND CV
GX F
ENT
OUT 5
Handheld Programmer Keystrokes
$ B
ENT
STR 1
V N D
SHFT
AND TMR
F
GX
ENT
5
OUT
Aaaa
Aaaa
DL260 Range
aaa
0–1777
0–1777
0–3777
0–1777
0–377
0–377
0–3777
0–3777
C
ENT
3 2
C
ENT
3 2
5–23
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D