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Reddington

Knowledge Base

Totalizing Counters

Totalizing counters are used to sum the total number of cycles or inputs to a device. These counters have no "outputs". Totalizers can be Mechanical, Electromechanical or Electronic.

Totalizers are typically used to total cycle count, piece count, and linear length or to indicate position. Displays for Mechanical & Electromechanical Totalizers are molded figure wheels usually displaying 0-9 digits on a contrasting background and have a count capacity of 3-8 figures.

Mechanical Totalizers

The input for Mechanical Totalizers can be Rotary, Stroke or Rotary Ratchet. Mechanical Totalizers require no operating power or sensor and are easy to install. For hand operated applications you need to consider our Model 18, Model 19 or Model 46 with thumb lever option.

Basic operation of a mechanical stroke counter

The illustration below shows the lever in the rest position with a total shaft rotation of X+Y+Z. Although these angles may differ from model to model, the total shaft rotation contains a pre-travel (X), a count stroke (Y), and an over-travel (Z). The lever must start in the pre-travel area and continue through to the over-travel area to register a count. It is recommended that the spring furnished with the counter be used to simplify adjustment of count stroke to drive mechanism.

Note: This illustrates rotations 2 and 3 only.

Typical Applications
  • Punchpress

  • Gaming

  • Inventory

  • Printing Press

Electromechanical Totalizers

These count on AC or DC voltage input signals. Electro-mechanical Totalizers are often used when it is desirable to mount the totalizer in a "remote" location. The input can be from a variety of sensors including a Proximity switch, Photoelectric or Mechanical switch. Several choices are available for mounting, reset and add-subtract counting.

Typical Applications
  • Printing Press

  • Photocopiers

  • Gaming

Electronic Totalizers

Electronic Totalizers utilize LED's or LCD's as displays with a variety of colors and digits sizes. The count capacity can be up to 8 digits with leading "0" suppression. Electronic Totalizers provide the user with several advantages over Mechanical or Electromechanical Totalizers. Electronic Totalizers are silent, have high-speed count/input capability, interface easily with a variety of sensors, have communications, programmable decimal points, input scaling and quadrature inputs.

Typical Applications
  • Office Equipment

  • Control Panels

  • Injection Molding

  • Test Equipment

Predetermining Counters/Timers

Predetermining counters can provide the user with an output signal when a preset number is reached. Typical applications are controlling batch or lot size, positioning, punching, converting or cut-to-length.

Electromechanical Predetermining Counters

Electromechanical predetermining counters are easy to preset and apply. They are ideal for slow batch counting and remote locations. They are limited on their count speed and do not have automatic reset capability. The input signal is an AC/DC voltage source and can come from switch or relay contacts, photoelectric control or proximity switch.

Typical Applications
  • Process Control

  • Batch Control

Electronic Predetermining Counters/Timers

They provide an output signal, relay contacts or solid state, when a preset number is reached. They can be used for cut-to length, batch or cycle counting, punching and positioning. They can also interface with most sensors including Encoders, Proximity switches and Photoelectric controls. Some models are available with an analog input and output.

They feature high speeds, silent operation, instant reset, without loss of incoming counts, bi-directional count capability, data communications, LED or LCD displays, programmable decimal points and input scaling.

Typical Applications
  • Process Control

  • Batching

Rate Indicators and Controllers

Rate Indicators and Controllers can be used to monitor or measure frequency or RPM. Hand Held Tachometers are available to measure RPM or Linear speed. Panel mount indicators/controllers can display and control High-Low set-point limits and provide an output signal for controlling.

Typical Applications
  • Flow Level and Control

  • Temperature

  • Hand-Held Tachometer

Digital Panel Meters

Digital Panel Meters can be used to solve a wide range of applications. These include, Indication or Controlling, Volts, Current, Ohms, Temperature, Frequency and RPM. The Redington Model 85 is modular and the main housing, with modules, can be utilized to solve all of the applications below. The Model 85 has "plug-in" modules, which can be configured to the users needs or specifications. The 1/8 DIN enclosure is rated for IP65 and is available with a RED or GREEN LED display.

Typical Applications
  • Temperature

  • Volts/Amps

Hour/Maintenance Meters

Hour/Maintenance Meters are used to record "running" hours for preventive maintenance or warranty purposes. There are several mounting variations available, 2-Hole rectangular, flush-round, flush rectangular, 3-Hole round and PCB Modules. Other models are available for mounting by a DIN rail kit. A wide range of voltages, AC DC or Inductive, makes the Meters adaptable to almost any application. Most Hour Meters are available with 6-7 figures or digits. "Redi-Alert" maintenance alarms can be programmed into the Electronic meters. When the maintenance is due the display will flash off - on and can provide an electrical output by relay or solid-state circuit.

Electromechanical Hour Meters

Totally sealed Models are provided for harsh environments that conform to SAE J1378 specifications. Models are available with 6-7 figures on a contrasting background. Manual-reset, remote reset and non-reset models provide a wide choice of options. Most models are agency approved, UL/cUL/CSA recognized and CE compliant. This technology is time tested and has proven to be ultra reliable.

Typical Applications
  • Test Equipment

  • Control Panel

Electronic Hour Meters (LCD)

The standard mountings for the industry are available. These products are microprocessor based and can be specifically programmed for an application. Models are available with Redi-Alerts, electrical outputs, tachometers, battery operation, or EEPROM memory. Models are also available with an Hour Meter and Counter in the same meter. Totally sealed models conform to SAE-1378 and NEMA 4X specifications.

Typical Applications
  • Construction Equipment

  • Generators

  • Medical Equipment

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