Siemens SIMATIC TD 200, Руководство пользователя

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4-6
SIMATIC TD 200 Operator Interface
C79000-G7076-C272-01
NETWORK 1
LD SM0.0 // on every scan...
MOVB 16#80, VB12 // enable the message
FILL 16#2020, VW20, 10 // fill entire message with blanks
MOVD +0, AC0 // clear a space to work
MOVD +0, AC1 // ...
MOVB SMB28, AC0 // get the pot value
DIV +13, AC0 // divide pot value by 13 (20*13>256)
MOVB 16#FF, VB19 // create the full bar character
BMB VB19, VB20, AC0 // move full bars to message
MOVD AC0, AC1 // put remainder into accumulator 1
SRD AC1, 16 // move remainder to lower word
DIV +3, AC1 // divide remainder by 3 to get fifths
+I 16#FA, AC1 // create character (number of fifths)
MOVD &VB20, AC2 // point to start of message
+I AC0, AC2 // offset to first blank space
MOVB AC1, *AC2 // store partial block to buffer
Network 1
Ladder Logic Statement List
SM0.0
IN
16#2020
FILL_N
EN
N
10
OUT
VW20
IN
+0
MOV_DW
EN
OUT
AC0
IN1
AC0
DIV
EN
IN2
+13
OUT
AC0
IN
VB19
BLKMOV_B
EN
N AC0 OUT
VB20
IN AC0
SHR_DW
EN
N
16
OUT
AC1
IN1
AC1
DIV
EN
IN2
+3
OUT
AC1
IN 16#80
MOV_B
EN
OUT
VB12
IN
+0
MOV_DW
EN
OUT
AC1
IN
SMB28
MOV_B
EN
OUT
AC0
IN 16#FF
MOV_B
EN
OUT VB19
IN1
16#FA
ADD_I
EN
IN2
AC2
OUT
AC2
IN &VB20
MOV_DW
EN
OUT AC2
IN1 AC0
ADD_I
EN
IN2
AC2
OUT
AC2
IN AC1
MOV_B
EN
OUT *AC2
Figure 4-5 Sample Program for Creating a Bar Graph
Creating Sample Programs