Watlow EZ-ZONE RM Limit Module Rev C Manuel d'utilisateur télécharger pdf (Page 7)

Watlow EZ-ZONE

RML Module • 4 • Chapter 1 Overview

Introduction

The EZ-ZONE

Rail Mount Limit Module (RML)

is used in thermal applications to limit inadvertent

over-temperature conditions. The RML controller

provides multi-loop (12 loops maximum) safety assur-

ance against instances where over or under tempera-

ture runaway conditions could occur from a shorted

input sensor or an output device that could fail in a

closed position. The RML is recommended for any

application where thermal runaway could result

in large product scrap costs, affect operator safety,

cause damage to equipment, or create a fire hazard.

It just got a whole lot easier to solve the thermal

requirements of your system. The EZ-ZONE RML

module is provided in a space-saving, rail-mount

package and is highly scalable where you only pay

for what you need. Ordering options allow for 1 to

12 loops and for those applications that require the

ability to configure/monitor over a network the Mod-

bus RTU communication protocol is an option. Other

communications protocols are also available (e.g.,

EtherNet/IP, DeviceNet, Modbus TCP and Profibus

DP) when used in conjunction with a Rail Mount Ac-

cess (RMA) module or when using a Remote User In-

terface/ Gateway (RUI/GTW).

Standard Features and Benefits

EZ-ZONE configuration communications and

software

• Saves time and improves the reliability of control

ler set up

FM Approved Over-under Limit with Auxiliary

Outputs

• Increases user and equipment safety for over-

under temperature conditions

Parameter Save & Restore Memory

• Reduces service calls and down time

Agency approvals: UL Listed, CSA, CE, RoHS,

W.E.E.E. FM

• Assures prompt product acceptance

• Reduces end product documentation costs

• FM approval on Limit Models

• Semi F47-0200

Three-year warranty

• Demonstrates Watlow’s reliability and product

support

Touch-safe Package

• IP2X increased safety for installers and operators

Removable cage clamp wiring connectors

• Reliable wiring, reduced service calls

• Simplified installation

Programmable Menu System

• Reduces set up time and increases operator effi-

ciency

Full-featured Alarms

• Improves operator recognition of system faults

• Control of auxiliary devices

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Watlow EZ-ZONE RM Limit Module Rev C Manuel d'utilisateur Page 7

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