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

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

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<strong>DVP</strong>-<strong>ES2</strong>/<strong>EX2</strong>/<strong>SS2</strong>/<strong>SA2</strong>/<strong>SX2</strong>/SE <strong>Operation</strong> <strong>Manual</strong> - Programming<br />

API Mnemonic Operands Function<br />

91 LDF Falling–edge detection operation<br />

Controllers<br />

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

SE<br />

<strong>SX2</strong><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 LDF: 3 steps<br />

S * * * * * *<br />

Operands:<br />

S: device to be falling pulse triggered<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 />

LDF should be connected to the left side bus line. When the associated device S is driven from ON<br />

to OFF, LDF will be ON for one scan cycle.<br />

Program Example:<br />

Ladder Diagram:<br />

X0<br />

X1<br />

Y1<br />

Instruction Code:<br />

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

LDF X0 ; Load falling-edge contact X0<br />

AND X1 ; Connect NO contact X1 in series.<br />

OUT Y1 ; Drive Y1 coil<br />

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