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DVP-ES2-EX2-SS2-SA2-SX2-Operation Manual

DVP-ES2-EX2-SS2-SA2-SX2-Operation Manual

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3. Instruction Set<br />

API Mnemonic Operands Function<br />

99 PLF Falling-edge output<br />

Controllers<br />

<strong>ES2</strong>/<strong>EX2</strong> <strong>SS2</strong> <strong>SA2</strong> <strong>SX2</strong><br />

SE<br />

Type Bit Devices Word devices Program Steps<br />

OP X Y M S K H KnX KnY KnM KnS T C D E F PLF: 3 steps<br />

S * *<br />

Operands:<br />

S: Falling pulse output device<br />

PULSE 16-bit 32-bit<br />

<strong>ES2</strong>/<strong>EX2</strong> <strong>SS2</strong> <strong>SA2</strong><br />

<strong>SA2</strong><br />

<strong>SA2</strong><br />

<strong>SX2</strong> <strong>ES2</strong>/<strong>EX2</strong> <strong>SS2</strong> <strong>SX2</strong> <strong>ES2</strong>/<strong>EX2</strong> <strong>SS2</strong><br />

SE SE SE <strong>SX2</strong><br />

Explanations:<br />

When X0 goes from ON to OFF (Falling-edge trigger), PLS instruction executes and S generates a<br />

cycle pulse for one operation cycle.<br />

Program Example:<br />

Ladder Diagram:<br />

X0<br />

M0<br />

PLF<br />

SET<br />

M0<br />

Y0<br />

Timing Diagram:<br />

X0<br />

M0<br />

A scan cycle<br />

Y0<br />

Instruction Code:<br />

<strong>Operation</strong>:<br />

LD X0 ; Load NO contact X0<br />

PLF M0 ; M0 falling-edge output<br />

LD M0 ; Load NO contact M0<br />

SET Y0 ; Y0 latched (ON)<br />

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