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efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive
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off-state leakage current
When a mechanical switch is opened (off-state), no current flows through
the switch. Semiconductor switches and transient suppression
components which are sometimes used to protect switches, have a small
current flow when they are in the off state. This current is referred to as
the off-state leakage current. To ensure reliable operation, the off-state
leakage current rating must be less than the minimum operating current
rating of the device that is connected.
on-delay time
The ON delay time is a measure of the time required for the controller
logic to recognize that a signal has been presented at the input terminal of
the controller.
one shot
A programming technique that sets a bit ON or OFF for one program
scan.
online
When a device is scanning/controlling or when a programming device is
communicating with the controller.
operating voltage
For inputs, the voltage range needed for the input to be in the On state.
For outputs, the allowable range of user-supplied voltage.
output device
A device, such as a pilot light or a motor starter coil, that receives a signal
or command from the controller.
output scan
The controller turns on, off, or modifies the devices connected to the
output terminals.
PCCC
Programmable Controller Communications Commands
processor
A Central Processing Unit. (See CPU.)
Publication 1763-RM001C-EN-P - October 2009
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