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High accuracy current and voltage measurement

• Characterizes process performance

• Supports comparing (fingerprinting) equipment operation

Integrated, scalable solution

• Allows connection from the temperature control system at

one point communicating with up to 16 power controllers

• Offers greater than 60% reduction in wiring footprint and

costs compared to other multi-zone systems

• Eliminates need for current transformer and associated

wiring with integrated current measurement

Industry-leading design and serviceability

• Offers a robust SCR design to meet a rugged industrial

environment’s high quality and reliability needs

• Enables fast troubleshooting by providing helpful thermal

system diagnostics

100KA short circuit current rating (SCCR)

• Enables greater protection in the event of a short circuit

c-UL® 508 Listed

• Shortens project schedules, agency testing and expenses

Closed-loop control on: Voltage, current or power

• Compensates for line voltage variations and thermal

component tolerances (e.g. heater wattage, insulation

variation, etc.)

Load firing modes: Zero-cross, burst fire, phase angle,

soft start

• Handles a wide range of load types

• Protects and extends the life of connected loads

Open heater and shorted SCR indication

• Minimizes production downtime with easy to understand,

intelligent, troubleshooting diagnostics

Integrated USB for configuration

• Easily and safely program configuration settings with

electronics powered through USB connection

• Eliminates a user from having to work in a high voltage,

hazardous environment. High voltage to controller or

system panel can be turned off while setting controller

configuration

Heater bakeout

• Protects heater on startup

• Eliminates labor and time associated with checking for wet

heaters

Cooling options

• Integrates DIN-rail mountable heat sink option for

simplifying implementation

• Offers base plate option for flexibility in removing heat from

the electrical box

Modular and Scalable Power Controllers Enable Increased 

Throughput and Yield While Reducing System Complexity

The ASPYRE® AT is a family of flexible, compact and scalable smart

SCR power controllers. It features multiple advanced firing and control

mode algorithms combined with sophisticated diagnostics.

The ASPYRE AT integrates easily with EZ-ZONE® RM, PM PLUS® and

RMA PLUS™ controllers as part of a Watlow® ecosystem solution.

Features and Benefits

Key component of a Watlow ecosystem solution

• Integrates with EZ-ZONE® RM, RMA PLUS™ and PM PLUS®

controllers for a complete solution including Modbus® TCP,

EtherNet/IP™, or EtherCAT® communication

• Eliminates discrete wiring between temperature controllers

and power controllers for each heater through the highspeed

backplane interface with Watlow controllers

• Enables data collection and diagnostics from the power controllers

• Customizes for your application with programmable

function blocks including logic, math, compare and more

High accuracy current and voltage measurement

• Characterizes process performance

• Supports comparing (fingerprinting) equipment operation

Integrated, scalable solution

• Allows connection from the temperature control system at

one point communicating with up to 16 power controllers

• Offers greater than 60% reduction in wiring footprint and

costs compared to other multi-zone systems

• Eliminates need for current transformer and associated

wiring with integrated current measurement

Watlow’s new ASPYRE® DT family of intelligent power controllers is flexible and scalable,

and available with a variety of options allowing one platform to be re-used across a wide

range of applications, which can help save time and money. ASPYRE DT models available

include sizes from 35 to 2100 amps. Contact your local sales office or distributor for

availability in your region.

This power controller family features multiple advanced microprocessor-based firing and

control mode algorithms. Combined with diagnostics and several communications options

the product enables equipment and factory automation.

Controller firing modes include zero cross, burst firing, single cycle, delayed triggering and

phase angle. These smart algorithms enable the product to easily control a wide base of 

heater loads including nichrome, moly, silicon carbide, tungsten quartz and infrared lamps

and transformer-coupled loads.

ASPYRE DT offers a comprehensive list of modular options that deliver space and labor savings

including controlled legs (1. 2 or 3), semiconductor fusing, load current measurement, 

amperage size and user interface.

Firmware Update

Check version of firmware currently running in your ASPYRE DT power controller to select the

correct firmware update. See “Updating the Firmware” in the user guide for your model for

instructions on how to update the firmware.

Serial communication capabilities

• Provides a wide range of protocol choices including

Modbus® RTU, EtherNet/IP™, Modbus® TCP, PROFIBUS DP,

DeviceNet™ and J1939 CAN bus

• Supports network connectivity to a PC or PLC

Enhanced control options

• Easily handles complex process problems such as cascade,

ratio, differential, square-root, motorized valve control

without slidewire feedback, wet-bulb/dry-bulb, compressor

control and peltier loads

Countdown timer option

• Provides batch process control

• Supports set point change during countdown

10-point linearization curve

• Improves sensor accuracy

Remote set point operation

• Supports convenient set point manipulation from a remote

device such as a master control or PLC

Profile capability

• Offers pre-programmed process control

• Allows ramp/soak programming with 40 total steps

Retransmit output

• Supports industry needs for recording

Factory Mutual (FM) approved over/under limit with

auxiliary outputs

• Increases user and equipment safety for over/under

temperature conditions

Memory for saving and restoring parameter settings

• Decreases service calls and time down

Agency approvals: UL® listed, CSA, CE, RoHS, W.E.E.E., FM,

SEMI F47-0200. Class 1. Div. 2 rating on selected models

• Assures prompt product acceptance

• Reduces end product documentation costs

Touch-safe package

• Increases safety for installer/operator

• Complies with IP2X requirements

Programmable function key

• Enables simple, one-touch operation of user-defined,

repetitive activities

Programmable menu system

• Reduces setup time and increases operator efficiency

Three-year warranty

• Provides product support and reliability

EZ-LINK™ mobile application for iPhone® and Android™

• Expedites controller setup with intuitive navigation

• Simplifies setting parameters with plain text names

and descriptions

• Connects quickly and easily via Bluetooth® wireless

communications

Configuration communications with software

• Includes Watlow standard bus communications used by

COMPOSER®

Advanced PID control algorithm

• Offers TRU-TUNE®+ adaptive control to provide tighter

control for demanding applications

• Provides auto-tune for fast, efficient start-up

Built-in sensor compensation curves

• Saves cost of buying compensated sensors

• Includes Vaisala RH and altitude (pressure) curves

Features and Benefits

Intuitive menu flow

• Reduces menu structure to a list of lists allowing the

controller to be easily configured

• Offers easy to read characters and color coding making

the display visible from many angles

SMOOTH TOUCH keypad

• Eliminates contamination points on the front of the

controller

• No mechanical components will wear out

• Creates a better seal on front panel

• Easy to clean

Bluetooth® compatible with EZ-LINK™ mobile app

• Provides full descriptions of parameters and error codes

• Allows remote access capabilities without the use of cables

or converters

• Provides the ability to configure the product and save

parameter sets

Integrated PID and limit controller

• Reduces wiring time and termination complexity compared

with connecting discrete products

• Decreases required panel space

• Lowers installation costs

• Increases user and equipment safety for over/under

temperature conditions

High amperage power control output

• Drives 15 ampere resistive loads directly

• Reduces component count

• Decreases cost of ownership

Current monitoring

• Detects heater current flow and provides alarm indication

of a failed output device or heater load

• Drives output on open or shorted heater

Memory for saving and restoring parameter settings

• Decreases service calls and time down

Agency approvals: UL® listed, CSA, CE, RoHS, W.E.E.E., FM,

SEMI F47-0200. Class 1. Div. 2 rating on selected models

• Assures prompt product acceptance

• Reduces end product documentation costs

Touch-safe package

• Increases safety for installer/operator

• Complies with IP2X requirements

Programmable function key

• Enables simple, one-touch operation of user-defined,

repetitive activities

Programmable menu system

• Reduces setup time and increases operator efficiency

Three-year warranty

• Provides product support and reliability

Watlow’s PM PLUS™ Enhances the User Experience

With an Interface That Enables Easy Set Up

Watlow’s PM PLUS™, the enhanced EZ-ZONE® PM, is now

more intuitive and features an enhanced interface for easier

programming and readability with a SMOOTH-TOUCH™

keypad creating an industry leading user experience. The

PM PLUS is backwards compatible with legacy EZ-ZONE

PM controllers but offers many user upgrades including

an intuitive menu flow allowing the controller to be easily

configured. It also continues to offer the industry leading

Bluetooth® connectivity with the EZ-LINK™ mobile app for

remote access capability and full descriptions of parameters

and error codes. The PM PLUS improves the user experience

by reducing the complexity at the front of the control while

eliminating the dependency of cables when configuring the

product.

Like the original EZ-ZONE PM, the PM PLUS can be ordered

as a PID controller, or an integrated controller with multiple

functions combined into one.

Now Watlow’s PM PLUS is available through Watlow SELECT®,

a program that enables you to quickly identify, configure

and receive your thermal products faster and easier than

ever before. With SELECT, you use a variety of tools to guide

your decision, configure products for an exact fit and quickly

receive your order.

Improved Process Control

For a Wide Variety of Load Types

> 20 firing combinations to align with a variety of load types

> Advanced control modes protect heater from damage

on start up and extends overall heater element life

> Six available power control modes to maximize thermal performance

> Multiple digital and analog I/O to increase system control functionality

Integrated Functions

Lower Ownership Costs

>UL® 508 rating results in reduced labor and project costs

>Smaller footprint and less weight than legacy power controllers reduces

cabinet space and shipping expenses

> Integrated design reduces system complexity, inventory and labor to

install and wire

>ASPYRE DT features SCR switching, voltage sensor, data logging,

Wi-Fi, current sensor, semiconductor fusing, user interface, communications,

relay alarm, cooling fan, back-up power supply and more in one device

Communication Access to Important Data

Connectivity for Automation

>USB device port (file transfers – configuration or data log)

>Data logging

>Wireless Wi-Fi and mobile application

>Communication protocols 232/485 Modbus® RTU (up to 2), Modbus® TCP (Ethernet),

Profibus, Profinet

>4-20mA retransmit