Siemens SIMATIC S7-200 System Manual page 289

MAIN OB1
Network 1
SM0.1
*Refer to page 9-149
SUBROUTINE 0
SM0.0 EN
0.75 IN
30.0
EN
0 INT
10 EVNT
INTERRUPT 0
Network 1
I_DI
SM0.0 EN
AIW0 IN
Network 2
I0.0
VB100
0
Network 3
SM0.0
VB108
32000.0
Figure 9-28 Example of PID Loop Control for SIMATIC LAD, STL, and FBD (continued)
S7-200 Programmable Controller System Manual
A5E00066097-02
SBR0*
EN
MOV_R
ENO
OUT VD104 0.25
MOV_R
EN ENO
IN
OUT VD120 0.0
ATCH
ENO
DI_R
ENO EN ENO
IN
OUT AC0 AC0 OUT
PID
EN ENO
TBL
LOOP
MUL_R
EN ENO
IN1 OUT AC0 AC0
OUT
IN2
FBD
MOV_R
EN ENO
IN OUT VD112 0.10
MOV_R
EN ENO
IN OUT VD124 100
ENI
DIV_R
EN ENO
IN1 OUT
AC0 AC0 OUT AC0
32000.0 IN2
ROUND
EN ENO
IN OUT AC0 AC0
SIMATIC Instructions
MOV_R
EN ENO
IN OUT VD116
MOV_B
EN ENO
IN OUT SMB34
MOV_R
EN ENO
AC0 IN OUT VD100
DI_I
EN ENO
IN OUT AQW0
9-101