EMS EM250 Series User Manual

EM250
Operational and
Installation Guide
Professional Digital Readout
System for
Manually Operated Machine Tools
EMS (International) Limited
Brookfield Works : Canal Street : Littleborough, Lancashire, OL15 0HA, England
Telephone: +44 (0) 116 279 3035
e-mail: info@ems-i.co.uk : web: www.ems-i.co.uk

EMS EM250 Series Specifications

General

Display Type	LCD
Input Signal	TTL square wave
Resolution	0.005mm / 0.0002" / 5µm
Operating Temperature	0°C to 50°C
Input Voltage	9-30V DC
Storage Temperature	-20°C to 70°C

Summary

Safety and Preparation

Please Read Before Proceeding

Important safety information, handling, and warranty guidelines.

Quick Setup Guide

Common Functions

Absolute / Incremental mode (ABS / INC)

Switches between absolute and relative positioning modes.

Inch / Metric Measurements

Zero an Axis Value

Sets the current axis position to zero.

Set an Axis Value

Shrink Function

Compensates for material shrinkage in machining.

Reference Function

Calculator Function

Lathe Functions

Radius / Diameter mode

Sets X-axis to display Diameter or Radius.

Lathe Tool Offsets

Compensates for tool length/diameter variations.

Milling Functions

Work-to-Zero

Sets DRO to display distance from desired position.

Sub-datums (SDM)

Defines multiple workpiece reference positions.

PCD (Pitch Circle Diameter) / Bolt-Hole

Calculates hole positions in a circular pattern.

Line-Hole Function

Calculates positions for holes along a straight line.

Inclined Machining

Machines features on an inclined plane.

Machining a Radius

Setting the Z-Step Method

Simple Radius Function (R-Function)

Enhanced Radius Function (Auto-R)

Machines a broad range of arcs with more parameters.

Trouble Shooting