Publication 1756-UM001G-EN-P - January 2007
132
LED Indicators
FORCE LED Indicator
RS232 LED Indicator
BAT LED Indicator
Color
Description
Recommended Action
Off
•
No tags contain I/O force values.
•
I/O forces are inactive (disabled).
None
Solid amber
•
I/O forces are active (enabled).
•
I/O force values may or may not exist.
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.
Color
Description
Recommended Action
Off
There is no activity.
No action is required.
Solid green
Data is being received or transmitted
No action is required.
Color
Description
Recommended Action
Off
The battery supports memory.
None
Solid green
If the
controller is
Then
Series A
The controller does not
show this indication.
None
Series B
During power-down, the
controller is saving the
project to its internal
nonvolatile memory. If the
BAT LED is solid red before
you turn off the power, the
BAT LED remains solid red
even during the save.
None
Solid red
Either the battery is:
•
not installed.
Install a battery.
•
95% or more discharged.
Replace the battery.
Содержание controllogix 1756-L55M12
Страница 4: ...Publication 1756 UM001G EN P January 2007 Summary of Changes 4 Notes...
Страница 10: ...Publication 1756 UM001G EN P January 2007 10 Notes...
Страница 20: ...Publication 1756 UM001G EN P January 2007 20 Directly Connect to the Controller via the Serial Port Notes...
Страница 66: ...Publication 1756 UM001G EN P January 2007 66 Place Configure and Monitor I O Modules Notes...
Страница 82: ...Publication 1756 UM001G EN P January 2007 82 Develop Applications Notes...
Страница 122: ...Publication 1756 UM001G EN P January 2007 122 Maintain Nonvolatile Memory Notes...
Страница 130: ...Publication 1756 UM001G EN P January 2007 130 Maintain the Battery Notes...
Страница 134: ...Publication 1756 UM001G EN P January 2007 134 LED Indicators Notes...