Siemens SIMATIC TIWAY 1 - Manual (Page 46)

OPERATION AND APPLICATION
UNILINK HOST ADAPTER 2–36
USER MANUAL
2.10.4.1 Allocate A Source Identification Number
Use the ALLOCATE SOURCE ID command, code 10, to specify a Source
Identification number which can range from 1 to 254 (01 to FE hex). Only
thirty-two unique Source Identification numbers can be used at any one time.
Figure 2–17 illustrates the relationship between Source Ids and macro buffers.
Source ID #1
(OE) Source ID #2
(1A) Source ID #32
(E5)
Macro Buffer
#1
Macro Buffer
#35
Macro Buffer
#63
Macro Buffer
#87
Macro Buffer
#2
Macro Buffer
#3
Macro Buffer
#80
Macro Buffer
#97
Macro Buffer
#109
Macro Buffer
#4
Macro Buffer
#33
Macro Buffer
#60
Up to 32
unique
source
IDs
Up to 254
Macro
Buffers
Figure 2–17 Relationship Between Source Ids and Macro
Buffers