Delta DVP-ES2 User Manual download pdf (Page 411)

100

101

3. Instruction Set

3-295

API Mnemonic Operands Function

110

D ECMP P

Floating point compare

Controllers

ES2/EX2 SS2 SA2

SX2

Bit Devices Word devices Program Steps Type

X Y M S K H KnX KnY KnM KnS T C D E F

* * *

D * * *

DECMP, DECMPP: 13

steps

PULSE 16-bit 32-bit

ES2/EX2 SS2

SA2

SX2 ES2/EX2 SS2

SA2

SX2 ES2/EX2 SS2

SA2

SX2

Operands:

: 1

comparison value S

: 2

comparison value D: Comparison result, 3 consecutive

devices

Explanations:

1. The data of S

is compared to the data of S

and the result (＞, ＝, ＜) is indicated by three bit

devices in D.

2. If the source operand S

or S

is specified as constant K or H, the integer value will

automatically be converted to binary floating point for comparison.

Program Example:

1. If the specified device is M10, M10~M12 will automatically be used.

2. When X0 = ON, one of M10~M12 will be ON. When X0 = OFF, DECMP is not executed,

M10~M12 will retain their previous state before X0 = OFF.

3. Connect M10~M12 in series or parallel for achieving the results of ≧, ≦, ≠.

4. RST or ZRST instruction is required if users need to reset the comparison result.

DECMP D0 D100 M10

M10

M11

M12

M10 = ON when (D1,D0)>(D101,D100)

M11 = ON when (D1,D0)=(D101,D100)

M12 = ON when (D1,D0)<(D101,D100)

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Delta DVP-ES2 User Manual Page 411

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