Delta DVP-ES2 User Manual download pdf (Page 316)

100

101

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

3-200

API Mnemonic Operands Function

D FROM P

Read CR data

from Special

Modules

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 *

n * * *

FROM, FROMP: 9 steps

DFROM, DFROMP: 17

steps

PULSE 16-bit 32-bit

ES2/EX2 SS2

SA2

SX2 ES2/EX2 SS2

SA2

SX2 ES2/EX2 SS2

SA2

SX2

Operands:

: No. of special module m

: CR# in special module to be read D: Device for storing read

data n: Number of data to be read at a time

Explanations:

1. PLC uses this instruction to read CR (Control register) data from special modules.

2. Range of m

: ES2/EX2/SS2: 0 ~ 7; SA2/SE/SX2: 0~107.

3. Range of m

: ES2/EX2: 0 ~ 255; SS2: 0~48; SA2/SE/SX2: 0~499.

4. Range of n:.

Range of n

ES2/EX2 SS2 SA2/SE/SX2

16-bit instruction 1~4

1~(49 - m

) 1~(499 - m

)

32-bit instruction 1~2

1~(49 - m

)/2 1~(499 - m

)/2

Program Example:

1. Read out the data in CR#29 of special module N0.0 to register D0 in PLC, and CR#30 of

special module No.0 to register D1 in PLC. 2 consecutive 16-bit data are read at one time (n =

2).

2. When X0 = ON, the instruction executes; when X0 = OFF, the previous content in D0 and D1

won’t be changed.

FROM K0 K29 D0 K2

1 2 ... 311 312 313 314 315 316 317 318 319 320 321 ... 701 702

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