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Multi Function Timers
APB Controllers provide multi-function timer support

Universal multi-timer controller

The low cost APB family of controllers provide an excellent alternative for applications requiring 2 or more conventional timers. Up to 320 unique timers may be defined with resolutions from 10 to 999.59.59.990 msec with the capability to add control logic to replace external relay logic, an integrated HMI display to display and modify specific timer parameters and the timers may be controlled with either digital or analog inputs. The APB controller is a universal multi-timer controller.

Application note AP-11 APB Timer Functions discusses the 6 integral timer functions (Time ON delay, Time OFF delay, ON/OFF Delay, Pulse Delay, Keep ON and Blinker), 2 special function timers, time sequencers, time of day timers and elapsed time timers available in the APB controller. Up to 16 of the counter/timers may be defined as 'retentive' timers that  retain the timer value in case of a power failure.

The APB controller is available with either 4 or 8 outputs and expansion units may be added to support up to 64 outputs. The outputs may be solid state (NPN or PNP) or normally open (NO) relays. Low cost relays may be added to provide NO/NC relay connections if required.

Simple timer replacement applications require minimum programming. The types of timers required are selected from a list of function blocks and the Trigger, Reset and Output pins are connected to the appropriate Input and Output points. Due to the simplicity of APB Functional Block programming additional control logic typically found in conventional timer applications may be easily added.

Further information on the APB controller family

APB Technical Support

 


Timers   >   Multi Function Timers  
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