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453
Trial Operation and Debugging
Section 8-2
8-2-2
Differential Monitoring
When the CPU Unit detects that a bit set by the CX-Programmer has changed
from OFF to ON or from ON to OFF, the results are indicated in the Differenti-
ate Monitor Completed Flag (A508.09). The Flag will turn ON when conditions
set for the differential monitor have been met. The CX-Programmer can moni-
tor and display these results on screen.
CX-Programmer Operation
1,2,3...
1.
Right-click the bit for differential monitoring.
2.
Click Differential Monitor from the PLC Menu. The Differential Monitor Di-
alog Box will be displayed.
3.
Click Rising or Falling.
4.
Click the Start Button. The buzzer will sound when the specified change is
detected and the count will be incremented.
5.
Click the Stop Button. Differential monitoring will stop.
Related Auxiliary Bits/Words
CPU Unit
Bit A
I/O memory
Moni-
tored for
OFF to
ON transi-
tion.
CX-Programmer
Detects bit A OFF
to ON transition.
Name
Address
Description
Differentiate Monitor
Completed Flag
A508.09
Turns ON when the differential monitoring condition has been met dur-
ing differential monitoring.
Note: The flag will be cleared when differential monitoring is started.
Summary of Contents for CP1H-CPU - 05-2006
Page 2: ...CP1H X40D CP1H XA40D CP1H Y20DT D CP1H CPU Unit Operation Manual Revised May 2006...
Page 3: ...iv...
Page 11: ...xii TABLE OF CONTENTS...
Page 15: ...xvi...
Page 19: ...xx...
Page 31: ...xxxii Conformance to EC Directives 6...
Page 71: ...40 Function Blocks Section 1 5...
Page 133: ...102 Computing the Cycle Time Section 2 7...
Page 169: ...138 CPM1A Expansion I O Unit Wiring Section 3 6...
Page 411: ...380 Clock Section 6 8...
Page 519: ...488 Replacing User serviceable Parts Section 10 2...
Page 527: ...496 Standard Models Appendix A...
Page 535: ...504 Dimensions Diagrams Appendix B...
Page 628: ...597 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 629: ...598 Connections to Serial Communications Option Boards Appendix F...
Page 659: ...628 PLC Setup Appendix G...
Page 665: ...634 Index work words 159 write protection 370...
Page 667: ...636 Revision History...