Automationdirect.com DirectLOGIC DL205 Series User Manual page 239

Chapter 5: Standard RLL Instructions - Boolean
Or Positive Differential (ORPD)
1
The Or Positive Differential instruction logically ORs a
230
contact in parallel with another contact in a rung. The status
240
of the contact will be open until the associated image register
2
point makes an Off-to-On transition, closing it for one CPU
250-1
scan. Thereafter, it remains open until another Off-to-On
260
3
transition.
Or Negative Differential (ORND)
4
The Or Negative Differential instruction logically ORs a
230
contact in parallel with another contact in a rung. The status
240
5
of the contact will be open until the associated image register
point makes an On-to-Off transition, closing it for one CPU
250-1
scan. Thereafter, it remains open until another On-to-Off
6
260
transition.
7
Inputs
8
Outputs
Control Relays
Stage
9
Timer
Counter
10
Global
Global
11
In the following example, Y 5 will energize whenever X1 is on, or for one CPU scan when X2
transitions from Off to On.
12
DS Implied
HPP Used
13
DirectSOFT
14
A
In the following example, Y 5 will energize whenever X1 is on, or for one CPU scan when X2
B
transitions from On to Off.
DirectSOFT
C
D
5–22
DL205 User Manual, 4th Edition, Rev. B
Operand Data Type
X1
X2
X1
X2
DL250-1 Range
A aaa
X 0–777
Y 0–777
C 0–1777
S 0–1777
T 0–377
CT 0–177
GX –
GY –
Handheld Programmer Keystrokes
$
Y5
STR
OUT Q
SHFT
OR
GX
OUT
Handheld Programmer Keystrokes
$
Y5
STR
OUT
Q
SHFT
OR
GX
OUT
Aaaa
Aaaa
DL260 Range
aaa
0–1777
0–1777
0–3777
0–1777
0–377
0–377
0–3777
0–3777
B
ENT
1
P D C
CV 3 2
F
ENT
5
B
ENT
1
N D C
TMR 3 2
F
ENT
5
ENT
ENT