Emerson ELQ 500 User Manual

www.El-O-Matic.com
TM
Electric Actuators ELQ Series
Installation Operation & Maintenance manual ELQ
DOC.55.EDN Rev: E
October 2012
D Installations-, Betriebs-und Wartungshandbuch ELQ
Elektrische Antriebe ELQ Serie
NL Installatie- Bedrijfs- & Onderhoudshandleiding ELQ
Elektrische Aandrijvingen ELQ Serie

Emerson ELQ 500 Specifications

General

Controller Type	Programmable Logic Controller (PLC)
Series	ELQ 500
I/O Points	Up to 512
Programming Language	Ladder Logic, Function Block Diagram, Structured Text
Power Supply	24 VDC
Inputs	Digital and Analog
Enclosure Rating	IP20
Communication Ports	Ethernet, RS-485
Outputs	Digital and Analog

Summary

Before You Start

Safety Instructions and Regulations

General safety guidelines and regulations for installation, operation, adjustment, and maintenance.

Identification and ATEX Information

ATEX Installation Instructions

Specific installation guidelines for ATEX explosion-proof certified ELQ actuators in hazardous areas.

Special ATEX Conditions for Safe Use

Special conditions and considerations for the safe operation of ATEX certified ELQ actuators.

Principles of Operation

Drive Principle

Mounting the ELQ Unit on a Valve

Direct Mounting Procedure

Steps for mounting the ELQ unit directly onto a valve, including placing the insert.

Bracket Mounting Procedure

Steps for mounting the ELQ unit using a bracket and adapter on the valve.

Normal Valve Rotation Setup

Stroke Adjustment

Setting Switches and Mechanical Limit Stops

Details on setting motor limit switches and mechanical limit stops for stroke adjustment, including procedure.

Torque Setting

Connecting Control Signals

Connecting Open and Close Signals

Limit Switches for Position Indicating

Basic Wiring for Limit Switches

Alternative Wiring for Limit Switches

Connecting Power Supply

Power Supply Specification

Power Supply Connection and Fuse

Connecting Power Cable to Power Board

Wiring Diagram