Rockwell Automation Publication 1756-UM001O-EN-P - October 2014
195
Troubleshoot the Module
Appendix A
1756-L7
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Controller
Status Indicators
The status indicators are below the status display on the controller. They indicate
the state of the controller as described in these tables.
RUN Indicator
Use the mode switch on the front of the controller or use the Controller Status
menu in the Logix Designer application to change the controller mode that is
shown by the RUN indicator.
FORCE Indicator
The Force indicator shows if I/O forces are enabled on the controller.
SD Indicator
The SD indicator shows if the SD card is in use.
Table 52 - RUN Indicator
State
Description
Off
The controller is in Program or Test mode.
Steady green
The controller is in Run mode.
Table 53 - FORCE Indicator
State
Description
Off
No tags contain I/O force values.
Solid amber
I/O forces are active (enabled) though I/O force values and can be configured.
Use caution if you install (add) a force. If you install (add) a force, it immediately takes
effect.
Flashing amber
One or more input or output addresses have been forced to an On or Off state, but the forces have
not been enabled.
Use caution if you enable I/O forces. If you enable I/O forces, all existing I/O forces also
take effect.
Table 54 - SD Indicator
State
Description
Off
No activity is occurring with the SD card.
Flashing green
The controller is reading from or writing to the SD card.
Do not remove the SD card while the controller is reading or writing.
Solid green
Flashing red
The SD card does not have a valid file system.
Solid red
The controller does not recognize the SD card.
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Страница 4: ...4 Rockwell Automation Publication 1756 UM001O EN P October 2014 Summary of Changes Notes...
Страница 18: ...18 Rockwell Automation Publication 1756 UM001O EN P October 2014 Preface Notes...
Страница 78: ...78 Rockwell Automation Publication 1756 UM001O EN P October 2014 Chapter 3 Start Using the Controller Notes...
Страница 126: ...126 Rockwell Automation Publication 1756 UM001O EN P October 2014 Chapter 7 Manage Controller Communication Notes...
Страница 136: ...136 Rockwell Automation Publication 1756 UM001O EN P October 2014 Chapter 8 I O Modules...
Страница 168: ...168 Rockwell Automation Publication 1756 UM001O EN P October 2014 Chapter 10 Develop Applications Notes...
Страница 182: ...182 Rockwell Automation Publication 1756 UM001O EN P October 2014 Chapter 12 Redundant Systems Notes...
Страница 210: ...210 Rockwell Automation Publication 1756 UM001O EN P October 2014 Index Notes...
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