Percentage Timers

PTA1015M

Lead Time: 10 Days

$219.91 (USD) / EACH

Description Of Function

Upon initial application of input voltage, the output is energized and time delay (t1) begins. Time Delay (t1) is adjustable as a percentage of the overall cycle time (t2). At the end of time delay (t1), the output is de-energized for the remainder of overall cycle (t2-t1). The sequence then repeats until input voltage is removed. If input voltage is removed and reapplied, the timing cycle will continue from where it left off when the input voltage was removed. A setting of 100% energizes the output continuously while a setting of 0% de-energizes the output continuously.

Function Chart

Product Overview

Features

The PTA Series is a microprocessor-based Percentage Timer that delivers reliable and accurate timing for critical applications where a repeating ON time of a fixed length cycle must be adjustable. These products provide an economical way to deliver precise and reliable repeat cycle timing in all types of industrial environments. Typical applications include controls for irrigation, chemical feeding, electric heating and cooling, motors, and lubrication systems.

  • Industry-standard panel cutout dimensions and mounting pattern
  • Retains timing sequence in the event of power loss
  • Time ranges: 15 seconds to one hour
  • Onboard potentiometer for easy time delay adjustment
  • LED indicates relay status
  • Terminal block design makes wiring easier from top or bottom
  • Robust pressure plate terminal block provides secure termination with bare wire or crimp terminals
  • Memory and no memory options available
Enclosure Style

Panel mount with supplied hardware

Configuration / Contact Rating
  • SPNO
  • 10A @ 240VAC / 7A @ 28V DC SPNO, 1/4HP @ 120V AC
Application Information
  • Voltage Tolerance: AC Operation: +10/-15% of nominal at 50/60 Hz.
  • Load (Burden): Maximum of 2 VA for all voltages
  • Indicator LED: LED remains on steady during relay OFF time, LED blinks during relay ON time
  • Repeat Accuracy (Constant Voltage and Temperature) : +0.1% or + 0.04 seconds, whichever is greater
  • Reset Time: 300ms
  • Output Contacts: 10A @ 240VAC / 7A @ 28V DC SPNO, 1/4HP @ 120V AC
  • Life: Mechanical: 10,000,000 operations; Full Load: 100,000 operations
  • Temperature: -28° to 65° C (-18° to 149° F)
Approvals
UL #: E109466

Operation

FUNCTION: PERCENTAGE
Upon initial application of input voltage, the output is energized and time delay (t1) begins. Time Delay (t1) is adjustable as a percentage of the overall cycle time (t2). At the end of time delay (t1), the output is de-energized for the remainder of overall cycle (t2-t1). The sequence then repeats until input voltage is removed. If input voltage is removed and reapplied, the timing cycle will continue from where it left off when the input voltage was removed. A setting of 100% energizes the output continuously while a setting of 0% de-energizes the output continuously.

macromatic, percentage timer, pta, repeat cycle timing, irrigation control

FUNCTION: PERCENTAGE (NO MEMORY)
Upon initial application of input voltage, the output is energized and time delay (t1) begins. Time Delay (t1) is adjustable as a percentage of the overall cycle time (t2). At the end of time delay (t1), the output is de-energized for the remainder of overall cycle (t2-t1). The sequence then repeats until input voltage is removed. If input voltage is removed and reapplied, the timing cycle will be reset. A setting of 100% energizes the output continuously while a setting of 0% de-energizes the output continuously.

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