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NIM Primitives

4-36

TIWAY 1 TI505 NIM User Manual

Request:

LLLL 52 EEEEEEEE TT AAAA DD ... DD

(repeated)

where EEEEEEEE is a 32 bit field defining the blocks to gather

Block Number 1 (hex)

Block Number

20 (hex)

. . .

MSB LSB

Symbol Value Definition

Data element type for the write operation

AAAA

Data element location for the write operation

Data for the write operation

Response:

LLLL 52 HH EEEEEEEE DD ... DD

(repeated)

Symbol Value Definition

Attached device operational status

EEEEEEEE

EEEEEEEE is a mask as defined by the Request Primitive

DD Data

defined by the block being read. The order of return of

the

blocks is from the lowest numbered block to the highest.

For example, if blocks 2, 4, and A were requested, the first

data

block in

the response specifies data which is associated

with block 2, the next data block specifies data which is

associated

with block 4, etc. This field can be set to zero if you

want

to perform a write function without reading a block.

1 2 ... 89 90 91 92 93 94 95 96 97 98 99 ... 117 118

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Siemens SIMATIC TIWAY 1 Bedienungsanleitung Seite 94