Use Of Fb164/165 In The Various Programmable Controllers - Siemens SIMATIC S5 Manual

The SYNCHRON call must be programmed for each interface to be addressed in the cyclic pro-
gram section (cf. Section 6.4 "Examples").
In the BLGR parameter, you can select the length of the blocks of data to be transferred by
FB165.
0,0
0,1
0,2
0,3
0,4
. . .
0,255
6.1.2.3

Use of FB164/165 in the Various Programmable Controllers

When using the FB164/165 in programmable controllers, please note the points in the following
table, when interrupting the user program and when starting the program.
S5-115
64
32
32
64
128
. . .
128
32
32
64
128
. . .
128
General Notes
6 - 3