Siemens 500 NIM - Manual (Page 64)

NIM Primitives 4-11 SIMATIC TIWAY I Series 500 NIM User Manual
4.5 Primitive Field Definitions
The basic Primitive Request and Response field formats are shown in
Figure 4-3. Each of the basic field types shown is described in the following
paragraphs. For a detailed explanation of TIWAY Primitives refer to the
SIMATIC TIWAY I Systems Manual (PPX:TIWAY–8101).
Length Primitive Code Descriptor(s) Data Unit(s)
Request Format
Response Format
Length Primitive Code Data Unit(s)
Primitive Fields
Error Response Format
Length Exception Code Data Unit(s) Primitive Code
Figure 4-3 Primitive Request and Response Field Format