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Watlow Series 981/982 Ramping Control - Retrofit Guide

Watlow has discontinued the Series 981/982. They are no longer available

Use the Retrofit Application below to find the Watlow recommended replacement
for your Watlow Series 981/982 Control or call us for help.
The Watlow Series 981/982 Ramping Controls offered four-file / 24-step program capability, or easy-to-use non-ramping set point operation. The control was designed with most typical programming needs in mind. The Series 981/982 was among the most easy-to-use ramping controls. Ramping operations included four files with six steps in each file. Programming options included ramp-rate or time-based profiles, guaranteed soak deviation, program looping and program status selection after power outage. The files could be linked to create a single 24-step program.

The primary analog input accepted 11 different thermocouple types, RTD or scalable process inputs. A second analog input could be factory configured for a slidewire feedback input common in gas valve control. With up to two event inputs, the Series 981/982 offered remote program start or hold capability and allowed the operator to program a wait-for event.

The Series 981/982 was packaged with a NEMA 4X front panel to withstand harsh environments, four inch case depth and touch-safe wiring terminal. The Series 981/982 featured a three-year warranty.

Download Watlow Series 981 Control Brochure (pdf)

Download Watlow EZ-Zone PM Spec Sheet (pdf)
Watlow Series 981/982 Retrofit Application
The Watlow recommended replacement for the Series 981/982 is the Watlow EZ-Zone PM Series. To find the recommended EZ-Zone PM replacement for your Watlow Series 981/982 Controller, please enter the part number of your existing Watlow 981/982 using the pull down menus below, then click on the submit button below, the replacement part number and price will be shown on the next page.
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**Some models have non-standard overlays or preset parameters designated by the 11th and 12th digits. If the last two digits are AA, AB, AC, AD, AE, AF, AG, AH, BA, BC, BF, BH, BJ, BK, BL, BM, BP, BR, BV, BW, CJ, CM, CN, CP, CR, CS, CU, CY, DB, DH, DT, DU, EA, EB, EC, ED, EE, EH, FA, FB, FE, FF, FJ, FK, FP, FR, FS, FW, or GC use the RR default to find the retrofit controller. The retrofit controller may work in these applications if a standard controller with a Watlow logo and Red/Green displays are acceptable.

This page last modified on 1/25/2021

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