Delta DVP-ES2/EX2/SS2/SA2/SX2/SE manual All be B15

DVP - ES2/EX2/SS2/SA2/SX2/SE Operation Manual - Programming

API

42

Mnemonic Operands Function Controllers

ENCO	P	Encode	ES2/EX2	SS2	SA2	SX2
					SE

Type

Bit Devices

Word devices

Program Steps

OP

X

Y

M

S

K

H

KnX

KnY

KnM

KnS

T

C

D

E

F

DECO, DECOP: 7 steps

S

*

*

*

*

*

*

*

*

*

D

*

*

*

*

*

n

*

*

PULSE

16-bit

32-bit

ES2/EX2

SS2

SA2

SX2

ES2/EX2

SS2

SA2

SX2

ES2/EX2

SS2

SA2

SX2

SE

SE

SE

Operands:

S: Source device to be encoded

D: Device for storing the result

n: Number of consecutive

bits of S

Explanation:

1.The instruction encodes the lower “2n” bits of source S and stores the result in D.

2.They highest active bit in S has the priority for encoding operation.

3.This instruction is generally used in pulse execution mode (ENCOP).

4.When operand S is a bit device, n=1~8, when operand S is a word device, n=1~4

5.If no bits in S is active (1), M1067, M1068 = ON and D1067 records the error code 0E1A (hex).

Program Example 1:

1.When S is used as a bit device, n = 1 ~ 8. Errors will occur if n = 0 or n > 8.

2.f n = 8, the decoded data is 28= 256 bits data.

3.When X0 goes from OFF to ON, the data in (M0 to M7) will be encoded and stored in lower 3 bits of D0 (b2 to b0). The unused bits in D0 (b15 to b3) will be set to 0.

4.After the execution is completed, X0 is turned OFF and the data in D remains unchanged.

	X0				ENCOP			M0		D0			K3
	M7		M6		M5		M4		M3		M2		M1		M0
0				0	0			0		1		0	0			0
7				6	5			4		3		2	1			0
						all be 0								4	2	1
0		0	0	0	0	0	0	0	0	0	0	0	0	0	1	1
	b15							D0								b0

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