Edwards STP Series User manual

STP Series Turbomolecular Pump

& Control Unit

STP EtherCAT®Interface

Instruction Manual

Read through the Safety Precautions and each

section of this Manual carefully before using the STP

pump.

Keep this Manual in a place where you can quickly

access it at any time.

Read this Manual thoroughly and keep it with the

Turbomolecular Pump and Control unit Instruction

Manual.

Applicable Models

◼SCU-800

◼SCU-801

◼SCU-1600

◼SCU-1601

MT-49E-A01-E

2023.08

This page is intentionally blank.

 
 
STP EtherCAT®Interface 
 
MT-49E-A01-E 
Page i 
PAGE 
i 
CONTENTS 
Section Title Page 
1INTRODUCTION 1 
1.1 Scope and definitions 1 
1.2 General description 2 
1.3 User connections and indicator for the EtherCAT interface 3 
2TECHNICAL DATA 5 
2.1 EtherCAT network connectors 5 
2.2 USB connector 5 
2.3 Operating and storage data 5 
3INSTALLATION 7 
3.1 Unpacking 7 
3.2 Precautions before installation 7 
3.3 EtherCAT Interface panel 7 
3.3.1 EtherCAT IN and OUT connector 8 
3.3.2 Mini-USB connector 8 
4 OPERATION 11 
4.1 Setting communication parameters 11 
4.2 LED’s 12 
4.3 DEVICE ID Rotary Switches 12 
4.4 Taking and releasing control 13 
4.5 Using Turbo Low Speed (available for SCU-1600/1601 only) 14 
4.6 Rotation INHIBIT (available for SCU-1600/1601 only) 15 
4.7 Protocol 16 
4.8 Alternate PDO Mapping 16 
4.9 Firmware Update Over EtherCAT 16 
5MAINTENANCE 29 
5.1 Inspect the electrical connections 29 
6SERVICE, SPARES AND ACCESSORIES 31 
6.1 Introduction 31 
6.2 Service 31 
6.3 Spares 31 
6.4 Accessories 31 
 
 
 

STP EtherCAT®Interface

MT-49E-A01-E

Page ii

PAGE

ILLUSTRATIONS

Figure Title Page

1 SCU-800/801, SCU-1600/1601 with EtherCAT Interface 2

2 User interface of EtherCAT Interface 7

3 Example of cable installation in metallic duct 9

4 Front panel of SCU-800/801 and SCU-1600/1601 13

TABLES

Table Title Page

1 EtherCAT socket pin-out 8

2 Setting values for STP pump 11

3 LED functions 12

4 Device Profile objects 17

TRADEMARK CREDITS

EtherCAT®is a registered trademark and patented technology, licensed by Beckhoff Automation

GmbH, Germany.

STP EtherCAT®Interface

MT-49E-A01-E

Page 1

INTRODUCTION

1 INTRODUCTION

1.1 Scope and definitions

This manual provides installation, operation and maintenance instructions for the STP EtherCAT®

Interface (abbreviated to "EtherCAT Interface" throughout this manual). You must use the EtherCAT

Interface as specified in this manual otherwise the protection provided by the equipment may be

impaired. Edwards takes no responsibility for damage or injury caused by improper use of the

equipment.

Read this manual and the STP control unit manual before you attempt to install, operate or maintain

the EtherCAT Interface.

Important safety information is highlighted as WARNING and CAUTION instructions; you must obey

these instructions. The use of WARNINGS and CAUTIONS is defined below.

WARNING

Warnings are given where failure to observe the instruction could result in serious injury

or death to people.

Throughout this manual, page, figure and table numbers are sequential.

The units used throughout this manual conform to the SI international system of units of

measurement; where appropriate, US equivalent units of measurement are also given.

The following IEC warning labels/symbols appear on this Instruction Manual:

Warning - This symbol denotes general warning

Refer to accompanying documentation and instruction manual.

CAUTION

Cautions are given where failure to observe the instruction could result in minor personal injury or

damage to the equipment, associated equipment and/or process.

STP EtherCAT®Interface

MT-49E-A01-E

Page 2

INTRODUCTION

1.2 General description

The EtherCAT Interface acts as a gateway between the EtherCAT protocol and RS232/RS485 based

ASCII serial protocol used by the STP control unit. It realizes the remote control through EtherCAT

network. The EtherCAT Interface is integrated into the rear side of the STP control unit. The setting

switches, indicators and connectors for the EtherCAT are on the rear panel. Refer to Figure 1.

The EtherCAT Interface starts up after turning on the main power switch of the STP control unit.

(a) Rear panel of SCU-800/801 with EtherCAT Interface

(b) Rear panel of SCU-1600/1601 with EtherCAT Interface

Figure 1 - SCU-800/801, SCU-1600/1601 with EtherCAT Interface

EtherCAT Interface

STP EtherCAT®Interface

MT-49E-A01-E

Page 3

INTRODUCTION

1.3 User connections and indicator for the EtherCAT interface

•RJ45 socket 1 and 2 –EtherCAT IN and OUT network connectors.

•USB Mini socket –connection for software upgrades by Edwards service personnel.

•L/A (Link/Activity) LED (green) (one over each RJ45 socket) –indicates network activity.

•Power LED (green) (one over each RJ45 socket) –indicates power status of unit.

•RUN LED (green) –indicates EtherCAT SubordinateDevice operating status.

•ERROR LED (red) –indicates EtherCAT SubordinateDevice fault status.

•DEVICE ID Rotary Switches –sets the Explicit Device Identification value.

STP EtherCAT®Interface

MT-49E-A01-E

Page 4

INTRODUCTION

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STP EtherCAT®Interface

MT-49E-A01-E

Page 5

TECHNICAL DATA

2 TECHNICAL DATA

2.1 EtherCAT network connectors

Connector type: RJ45 socket

Mating part: Standard RJ45 plug

Signal levels: Ethernet 100 base TX compliant

2.2 USB connector

Connector type: USB Min-B socket

Mating part: USB Min-B plug

Protocol: USB 2.0 full speed compatible

2.3 Operating and storage data

Operating temperature range: 0 to +40°C

Storage temperature range: -25 to +55°C

Operating humidity range: 30 to 95 %Rh (no condensing)

Note : Refer to each instruction manual for technical data related to the STP pump and the STP

control unit.

STP EtherCAT®Interface

MT-49E-A01-E

Page 6

TECHNICAL DATA

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