3. Instruction Set

Timing Diagram:

M0

M1

A scan cycle

A scan cycle

Y0

Mnemonic

Function

Program steps

 

 

 

PN

Positive contact to Negative contact

1

 

 

 

Controllers

ES2/EX2

SS2

SA2

SX2

 

 

SE

 

Explanation:

When the conditions preceding PN command change from true to false, PN command (works as contact A) will be ON for a scan cycle. In the next scan cycle it turns OFF.

Program Example:

 

 

 

 

Ladder Diagram:

 

Instruction:

Operation:

 

 

 

 

 

 

 

 

 

 

LD

M0

Load NO contact M0

 

M0 M1

Y0

AND

M1

Connect NO contact M1 in series

 

 

 

 

 

 

 

P

 

 

PN

 

Negative contact to Positive contact

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUT

Y0

Drive coil Y0

Timing Diagram:

M0

M1

A scan cycle

A scan cycle

Y0

3 - 11

Page 127
Image 127
Delta DVP-ES2/EX2/SS2/SA2/SX2/SE manual Scan cycle