SERIES EHG® SL10 Controller

Temperature, Power and Safety Limit Controller in One Package

The SERIES EHG SL10 integrated, multi-function controller is a key component to a powerful system that integrates a heater, an adjustable set point temperature controller, a high/low temperature alert, a power switching device and a high temperature safety limit. Its agency recognized controller/safety limit meets UL® 1998 and CE 60730 requirements.

An optional display/communications module can be easily added in the field to provide a digital display indication, adjustment of set point, RS485 Modbus® communications and other Human Machine Interface (HMI) features. As a scalable system, only what is needed can be purchased. The EHG SL10 controllers' easy to install, compact design, inherent reliability and integrated limit functions offer unmatched value. It is designed for easy integration with Watlow heaters to simplify engineering, reduce component count for new equipment and decrease ownership cost. For original equipment manufacturers (OEMs), CE, SEMI-S2 compliance and UL® recognition, the EHG controller reduces time and costs associated with global agency testing and validation.

Features & Benefits

Process controller and safety limit in one package eliminates the need for a thermal fuse on a heater

Optional display/communications module offers a low-cost field upgrade

Accurate and flexible temperature process controller replaces problematic bi-metal thermostats with accurate electronic temperature process controller

Integrated high/low temperature alert signal relay signals control status with three integrated LEDs

Health check diagnostics provides health check signal to inform operator that the process is working correctly

Universal power supply

Allows an input of 85 to 264VAC, 50/60Hz

Can be switched from on-off and PID algorithm

Offers selectable PID control algorithm for tighter temperature uniformity and increases product life

Universal 1⁄8 turn mounting bracket

Provides flexible mounting (vertical or horizantal) to most surfaces


Description Information
Control/Limit Loops 1/1
Mounting In-line/Sub-panel
Profiling No
Max Output 10A
Phase Configurations 1
Ambient Operating Range 0 to 70°C (32 to 128°F)
Agency Approvals UL® 1998/ C-UL®, CE 60730, SEMI-S2
Communication Protocols Modbus® RTU
TRU-TUNE®+ Adaptive Control No
Remote Limit Reset No
Warranty (Years) 3

Related Documentation

  • User Manuals

    Series EHG SL10 Integrated Temperature Controller

  • Agency Approvals

    Agency Approvals for Watlow Controllers

    CCC Winona Exemption Letter

  • Brochures

    Thermal Solutions for Photovoltaic Processing Equipment

  • Catalogs

    Controller Catalog (Section) - Integrated Multi-Function Controllers

    Controller Catalog (Section) - Temperature and Process Controllers

    Sensor & Controller Catalog

  • Software & Demos

    Comm7 - Communication Diagnostic Software ver.7

    EHG SL10 Software Download

    Sample Modbus Communications Modules for Programmers

  • Specification Sheets

    EHG CL Process Controller and Safety Limit

    EHG SL10 Process Controller and Safety Limit

    Communication Adapters

    Silver Series EM Operator Interface Terminal

  • White Papers

    Controls Integration Guide

    EHG SL10 Cables

    Wiring the EHG SL10 for EIA-485 Communications

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Quality Certificates

ISO 90012008 Certificate - Controllers Winona