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Watlow Series F4P to F4T Control
Retrofit Guide

Use the Retrofit Application below to find the Watlow recommended upgrade
for your Watlow Series F4P Control to the new F4T Series or call us for help.
Watlow Series 988 Control

The Watlow Series F4P 1/4 DIN temperature process controllers offer the performance and features to meet a wide range of industrial processing needs. The F4 process controllers are ideally suited for semiconductor manufacturing equipment, plastic processing and packaging equipment, and industrial process control applications.

This competitively priced controller features a four line, high definition LCD interface display along with an information key that makes set up and control operation significantly easier with less chance for error. A 16 bit microprocessor support all the accuracy and performance advantages that you have come to expect from a Watlow controller.

The enhanced software option enables the Series F4P to support complex control applications such as cascade, ratio and differential control.

The four digital inputs can be used to remotely modify the operation of the controller or enable the display of pre-defined operator messages.

Serial communication and dual alarm relays are included in the base unit. The Series F4P is packaged with a NEMA 4X front face to withstand harsh environments and a four inch deep case with removable connectors for wiring convenience.

The Series F4P controller is manufactured by ISO 9001 registered Watlow Controls and is backed with a three-year warranty. Two to four day availability on all standard models.

Features & Benefits

  • High definition four line LCD display
  • Information Key
  • Menu customization
  • Software guided set up
  • High performance 16 bit microprocessor
  • 20Hz update rates
  • ±0.1% calibration accuracy
  • Cascade control
  • Multiple PID sets
  • Full features alarms
  • Universal analog inputs
  • Digital inputs
  • Retransmit outputs
  • Serial communications
  • Field upgradable
  • Three-year warranty
Watlow Series F4P to F4T Retrofit Application
The Watlow recommends upgrading Series F4P with the Watlow F4T Series. To find the recommended F4T replacement for your Watlow Series F4P Controller, please enter the part number of your existing Watlow F4P using the pull down menus below, answer the option questions, then click on the submit button below, the replacement part number(s) and price(s) will be shown on the next page. Download the Watlow F4T Series Spec Sheet.
- - */**
Do you use/want the Cascade feature?
Do you use/want the 232/485 Communications feature?

* English language only available on the F4T. 500ohm RTD input not available on the F4T.
**Some models have non-standard overlays or custom firmware designated by the 11th and 12th digits. If the last two digits are not RG, AA, AC, or AJ you may need to contact the OEM for the proper replacement.

This page last modified on 11/22/2016

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