Rockwell-automation GMLC Reference Manual Manual de usuario Pagina 534

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Publication GMLC-5.2 - November 1999
Chapter
27
Controller Variables
Controller variables let you use timer values and states, analog input
values, the last character received from the operator interface, and the
current task number as elements in an expression. These controller
variables are all general system variables:
Each of these variables is explained below.
Variable Units
Analog_Input_0 Volts
Analog_Input_1 Volts
Analog_Input_2 Volts
Analog_Input_3 Volts
Free_Running_Clock Seconds
Timer1 Seconds
Timer2 Seconds
Timer3 Seconds
Timer4 Seconds
Last_Keypress Decimal ASCII Value
Current_Task Integer (0 to 9)
CPU_utilitzation Normalized Percent
CPU_utilization_peak Normalized Percent
Controller_Address Integer (0 to 7)
AxisLink_configuration_nodes Integer (0 to 255)
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