467
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 CP1L - 12-2007
Page 3: ...iv...
Page 9: ...x...
Page 13: ...xiv TABLE OF CONTENTS...
Page 21: ...xxii...
Page 33: ...xxxiv Conformance to EC Directives 6...
Page 65: ...32 Function Blocks Section 1 5...
Page 428: ...395 Clock Section 6 9...
Page 429: ...396 Clock Section 6 9...
Page 523: ...488 Troubleshooting Unit Errors Section 9 4...
Page 531: ...496 Replacing User serviceable Parts Section 10 2...
Page 563: ...528 Auxiliary Area Allocations by Function Appendix C...
Page 611: ...576 Auxiliary Area Allocations by Address Appendix D...
Page 638: ...603 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 639: ...604 Connections to Serial Communications Option Boards Appendix F...
Page 669: ...634 Index...
Page 671: ...636 Revision History...