Siemens SIMATIC TD 200, User Manual

Page: 42 / 132

2-20
SIMATIC TD 200 Operator Interface
C79000-G7076-C272-01
NETWORK 1
LD
SM0.1 // if this is the first scan
MOVB 16#80, VB14 // ...enable the first message
MOVB 0, MB0 // ...clear all function key bits
NETWORK 2
LD
M0.0 // if F1 has been pressed
MOVB 16#40, VB14 // ...enable message 2 for display
R M0.0, 1 // ...reset F1 key M bit
NETWORK 3
LD
V114.2 // if new setpoint edit bit is set
R V114.2, 1 // ...reset edit bit
MOVR VD116, AC0 // ...get edited real value
*R 10.00000, AC0 // ...times 10 for scaling
TRUNC AC0, AC1 // ... convert to an integer
MOVW AC1, VW98 // ... update prev. setpoint value
MOVB 16#20, VB14 // ...enable message 3 for display
NETWORK 4
LD
V158.1 // if message 3 acknowledge bit is set
R V158.1, 1 // ...reset message 3 acknowledge bit
MOVB 16#80, VB14 // ...enable message 1 for display
NETWORK 5
LD
M0.1 // if F2 has been pressed
MOVB 16#E0, VB14 // ...enable all 3 messages at once
R M0.1, 1 // ...reset F2 key M bit
NETWORK 6
LD
M0.2 // if F3 has been pressed
MOVB 0, VB14 // ...disable all messages
R M0.2, 1 // ...reset F3 key M bit
Network 1
Ladder Logic Statement List
SM0.1
IN1
VD116
MUL_R
EN
IN2 10.00000 OUT
AC0
IN
16#80
MOV_B
EN
OUT VB14
IN
AC0
TRUNC
EN
OUT
AC1
IN 0
MOV_B
EN
OUT
MB0
Network 2
M0.0
IN
16#80
MOV_B
EN
OUT
VB14
M0.0
R
1
Network 3
V114.2
V114.2
R
1
IN
AC1
MOV_W
EN
OUT
VW98
IN
16#20
MOV_B
EN
OUT VB14
Network 4
V158.1
V158.1
R
1
IN
16#80
MOV_B
EN
OUT
VB14
Network 5
M0.1
IN 16#E0
MOV_B
EN
OUT
VB14
M0.1
R
1
Network 6
M0.2
IN
0
MOV_B
EN
OUT
VB14
M0.2
R
1
Figure 2-18 Sample Program in the Ladder and Statement List Editors
Configuring the TD 200