Delta DVP-SS2 User Manual

DVP-ES2/EX2/EC5/SS2/SA2/SX2/SE&TP Operation Manual - Programming
3-18
Mnemonic Function Program steps
Controllers
ES2/EX2/
EC5
SS2
SA2
SE
SX2
NOP No operation 1
Explanation:
NOP instruction does not conduct any operations in the program, i.e. the operation result remains
the same after NOP is executed. Generally NOP is used for replacing certain instruction without
altering original program length.
Program example:
Ladder Diagram:
X0
Y1
NOP
NOP instruction will be
omitted in the ladder diagram
Instruction: Operation:
LD X0 Load NO contact X0
NOP No operation
OUT Y1 Drive coil Y1
Mnemonic Function Program steps
Controllers
ES2/EX2/
EC5
SS2
SA2
SE
SX2
NP Negative contact to Positive contact 1
Explanation:
When the conditions preceding NP command change from false to true, NP command (works as
contact A) will be ON for a scan cycle. In the next scan cycle it turns OFF.
Program Example:
Ladder Diagram:
M0 M1
Y0
P
Instruction: Operation:
LD M0 Load NO contact M0
AND M1 Connect NO contact M1 in series
NP Negative contact to Positive contact
OUT Y0 Drive coil Y0
Timing Diagram:
A scan cycle
M0
Y0
M1
A scan cycle

Delta DVP-SS2 Specifications

General

Brand	Delta
Model	DVP-SS2
Category	Controller
Language	English