HEIDENHAIN EIB 741 User Manual

July 2013
User’s Manual
EIB 741
EIB 742
External Interface Box
for Connecting
HEIDENHAIN Encoders

HEIDENHAIN EIB 741 Specifications

General

Protection Class	IP20
Transmission Rate	100 Mbit/s
Storage Temperature	–20 °C to 70 °C
Protocol	EnDat2.2
Power Supply	24 V DC
Operating Temperature	0 °C to +55 °C

Summary

Part 1: Features

1 General Description of Function

Overview of the EIB 74x's purpose and capabilities.

2 Encoder Input Configuration

Setup for connecting and configuring encoders.

2.1 Incremental Signal Processing

Detailed handling of incremental encoder signals.

2.3 Reference Mark Handling

How reference marks are used for absolute positioning.

2.5 EnDat Signal Processing

Support and configuration for EnDat encoders.

2.6 Auxiliary Axis Setup

Configuration and operation of an auxiliary axis.

3 Trigger Event Processing

How trigger events control data acquisition.

3.1 Trigger I/O Configuration

Configuration of trigger signals.

3.3 Trigger Module Functionality

Selection and control of trigger sources.

4 Timestamp Functionality

Functionality for time stamping data.

5 Status Word Interpretation

Interpretation of status and error bits.

6 Ethernet Interface

6.1 Ethernet Interface Overview

Description of the Ethernet interface for configuration and data transmission.

7 Operating Modes

7.1 Data Packet Configuration

Setting up data transmission packets.

7.2 Polling Mode

Mode for requesting data on demand.

7.3 Soft Real-Time Mode

Mode for continuous data streaming.

7.4 Streaming Mode

Mode for consolidated data transmission.

7.5 Recording Mode

Mode for saving data to memory.

8 Firmware Update

8.1 Firmware Update Procedure

Procedure for updating the device firmware.

9 Reset

9.1 Reset Information

Information on resetting the device.

Part 2: Driver Software

1 General Driver Information

Overview of the provided driver software.

2 Driver Installation Instructions

Steps to install the driver software.

2.1 Windows Installation

Installation for Windows systems.

2.2 Linux Installation

Installation for Linux systems.

3 Driver Function Overview

General overview of driver functions and communication.

3.1 Establishing Communication

How to connect to the EIB 74x via the driver.

3.2 Data Packet Configuration

Driver configuration for data packets.

4 Data Types

4.1 Simple Data Types

Basic data types used in the driver.

4.4 Data Packet Configuration Structure

Structure for data packet configuration.

5 Parameters and Return Codes

5.1 Function Parameters and Return Codes

Explanation of function parameters and return codes.

6 Auxiliary Functions

6.1 Determining IP Address

Function to get the device IP address.

7 Device Functions

7.1 Opening EIB Connection

Establishing a TCP connection.

7.2 Closing EIB Connection

Terminating the TCP connection.

7.10 Selecting Operating Mode

Setting the operational mode of the EIB 74x.

7.11 Saving Network Parameters

Configuring Ethernet network settings.

8 Axis Functions

8.1 Axis Initialization

Configuring an encoder axis.

8.5 Interrogating Axis Position

Reading encoder position data.

8.17 EnDat 2.1 Position Reading

Reading position for EnDat 2.1.

8.24 EnDat 2.2 Position & Datum Reading

Reading data for EnDat 2.2.

9 IO Functions

9.1 Input Port Configuration

Setting up digital or trigger inputs.

9.2 Output Port Configuration

Setting up digital or trigger outputs.

9.5 Logical Port Status

Reading the state of a logical input or output.

10 General Functions

10.1 Reading Driver ID

Retrieving the driver product number.

10.2 Error Message to Text Conversion

Translating error codes to text messages.