Siemens 500 NIM - Manual (Page 92)

NIM Primitives 4-39 SIMATIC TIWAY I Series 500 NIM User Manual
Availability: Releases 1.1, 2.1, 2.2, and 3.0
Primitive 30 is the Write Block Primitive, which will replace contiguous
data element locations from a given data element location with the data
specified in the Request.
Request: LLLL 30 TT AAAA DD ... DD
(repeated)
Symbol Value Definition
TT Data element type
AAAA Data element location
DD Data
Response: LLLL 30 HH
Symbol Value Definition
HH Attached device operational status
Availability: Releases 2.1, 2.2, and 3.0
Primitive 31 replaces the specified blocks of data element locations with the
data included in the request.
Request: LLLL 31 TT NNNN AAAA DD ... DD
(repeated)
Symbol Value Definition
TT Data element type
NNNN Number of locations
AAAA Data element location
DD Data
Response: LLLL 31 HH XX BB ... BB
(BB is repeated XX times)
Write Block
Primitive – Code 30
Write Random
Block Primitive –
Code 31