Read Random Block; Write Block - Siemens SIMATIC TI505 Installation And Operation Manual

Read Random
Block

Write Block

B-6 TIWAY I Primitives Supported by S5 PIM
Primitive 21 is a command to read several random blocks of contiguous
memory.
Request: LLLL 21 TT NNNN AAAA
Symbol
TT Data element type.
NNNN Number of locations.
AAAA Data element location.
Response: LLLL 21 HH XX BB DD ... DD
Symbol
HH Operational status (see Status).
XX Number of blocks not processed due to error.
BB Block numbers not processed due to error.
DD Data requested.
This primitive replaces contiguous data element locations from a given data
element location with the data specified in the request.
Request: LLLL 30 TT AAAA DD ... DD
Symbol
TT Data element type.
AAAA Data element location.
DD Data.
Response: LLLL 30 HH
Symbol
HH Operational status (see Status).
(repeated)
Definition
Definition
Definition
Definition
S5 UniLink Adapter Installation and Operation