Siemens Simatic S7-200 System Manual page 85

Viewing the Current Status of Program Elements
You can use the Status Chart to monitor or modify the current values of any I/O points or
memory locations. Reopen the Chart window, if necessary, and select the menu command
Debug Chart Status On, as shown in Figure 4-16. As you switch inputs on or off with the
CPU in RUN mode, the Status Chart shows the current status of each element.
To view the current PLC value of the elements in your program, click the Single Read
button
To stop the reading of status, click the Continuous Read button
window.
STEP 7-Micro/WIN - c:\microwin\project1.prj
Project Edit View CPU Debug Tools Setup Window Help Debug
Status Chart
Address
"Start_1"
"Start_2"
"Stop_1"
"Stop_2"
"High_Level"
"Low_Level"
"Reset"
"Pump_1"
"Pump_2"
"Mixer_Motor"
"Steam_Valve"
"Drain_Valve"
"Drain_Pump"
"Hi_Lev_Reached"
"Mix_Timer"
"Cycle_Counter"
Figure 4-16 Monitoring the Status Chart of the Sample Program
S7-200 Programmable Controller System Manual
C79000-G7076-C230-02
or the Continuous Read button
Execute Scans...
Single Read
Write
Chart Status On
Format Current Value
Mark Forced
Bit 2#1
Unmark Forced
Bit 2#0
Force Value
Bit 2#1
Bit 2#0
Unforce Value
Bit 2#0
Read All Forced
Bit
2#0
Unforce All
Bit
2#0
Bit 2#1
Bit 2#0
Bit 2#0
Bit 2#0
Bit 2#0
Bit 2#0
Bit 2#0
Signed +0
Signed +0
Getting Started with a Sample Program
in the Status Chart window.
in the Status Chart
Change Value
4-17