XC-CPU121-2C256K.pdf

User Manual

08/10 MN05003002Z-EN

replaces 04/08 AWB2724-1578G

Modular PLC

XC-CPU121-2C256K

All brand and product names are trademarks or registered

trademarks of the owner concerned.

Emergency On Call Service

Please call your local representative:

http://www.eaton.com/moeller/aftersales

Hotline After Sales Service:

+49 (0) 180 5 223822 (de, en)

AfterSalesEGBonn@eaton.com

Original Operating Instructions

The German-language edition of this document is the original

operating manual.

Translation of the original operating manual

All editions of this document other than those in German language

are translations of the original German manual.

1 st published 2005, edition date 08/05

2 nd edition 2007, edition date 04/07

3 rd edition 2007, edition date 05/07

4 th edition 2008, edition date 04/08

5 th edition 2010, edition date 08/10

see revision protocol in the “About this manual“ chapter

Editor: Thomas Kracht

Translation: globaldocs GmbH

No part of this manual may be reproduced in any form

(printed, photocopy, microfilm or any other process) or processed,

duplicated or distributed by means of electronic systems without

written permission of Eaton Industries GmbH, Bonn.

Subject to alteration without notice.

Danger!

Dangerous electrical voltage!

Before commencing the installation

• Disconnect the power supply of the device.

Wherever faults in the automation system may cause injury or

material damage, external measures must be implemented to

ensure a safe operating state in the event of a fault or

malfunction (for example, by means of separate limit switches,

mechanical interlocks etc.).

Ensure that devices cannot be accidentally restarted.

Verify isolation from the supply.

Earth and short circuit the device.

Cover or enclose any adjacent live components.

Depending on their degree of protection, adjustable frequency

drives may contain live bright metal parts, moving or rotating

components or hot surfaces during and immediately after

operation.

Follow the engineering instructions (IL04020001E) for the

device concerned.

Only suitably qualified personnel in accordance with

EN 50110-1/-2 (VDE 0 105 Part 100) may work on this

device/system.

Removal of the required covers, improper installation or

incorrect operation of motor or adjustable frequency drive may

cause the failure of the device and may lead to serious injury or

damage.

Before installation and before touching the device ensure

that you are free of electrostatic charge.

The applicable national accident prevention and safety

regulations apply to all work carried on live adjustable

frequency drives.

The functional earth (FE, PES) must be connected to the

protective earth (PE) or the potential equalisation. The system

installer is responsible for implementing this connection.

The electrical installation must be carried out in accordance

with the relevant regulations (e. g. with regard to cable cross

sections, fuses, PE).

Connecting cables and signal lines should be installed so

that inductive or capacitive interference does not impair the

automation functions.

Transport, installation, commissioning and maintenance work

must be carried out only by qualified personnel (IEC 60364,

HD 384 and national occupational safety regulations).

Install automation devices and related operating elements in

such a way that they are well protected against unintentional

operation.

Installations containing adjustable frequency drives must be

provided with additional monitoring and protective devices in

accordance with the applicable safety regulations.

Modifications to the adjustable frequency drives using the

operating software are permitted.

Suitable safety hardware and software measures should be

implemented for the I/O interface so that an open circuit on the

signal side does not result in undefined states in the

automation devices.

Ensure a reliable electrical isolation of the extra-low voltage of

the 24 V supply. Only use power supply units complying with

IEC 60 364-4-41 (VDE 0 100 Part 410) or HD384.4.41 S2.

All covers and doors must be kept closed during operation.

To reduce the hazards for people or equipment, the user must

include in the machine design measures that restrict the

consequences of a malfunction or failure of the drive

(increased motor speed or sudden standstill of motor).

These measures include:

Deviations of the mains voltage from the rated value must

not exceed the tolerance limits given in the specifications,

otherwise this may cause malfunction and dangerous

operation.

– Other independent devices for monitoring safety-related

variables (speed, travel, end positions etc.).

– Electrical or non-electrical system-wide measures

(electrical or mechanical interlocks).

– Never touch live parts or cable connections of the adjustable

frequency drive after it has been disconnected from the

power supply. Due to the charge in the capacitors, these

parts may still be live after disconnection. Fit appropriate

warning signs.

Emergency stop devices complying with IEC/EN 60204-1 must

be effective in all operating modes of the automation devices.

Unlatching the emergency-stop devices must not cause a

restart.

Devices that are designed for mounting in housings or control

cabinets must only be operated and controlled after they have

been installed and with the housing closed. Desktop or

portable units must only be operated and controlled in

enclosed housings.

Measures should be taken to ensure the proper restart of

programs interrupted after a voltage dip or failure. This should

not cause dangerous operating states even for a short time.

If necessary, emergency-stop devices should be implemented.

08/10 MN05003002Z-EN

Contents

About this manual

List of revisions

Additional documentation

Reading conventions

1 Design of the XC121

2 XC-CPU121 functions

Operating mode switch (S1)

SET button (S5)

APPLICATION switch (S2)

DIP switch mode

Memory card MCC

– Data access on the MMC

– Erasing functions

LED status indication RUN/STOP and SF

Real-time clock

Limit values for memory usage

Serial interface COM1/COM2

CANopen interface CAN1/CAN2

– XC121 as a CAN Device (CAN1 and/or CAN2)

– Setting of the XC121 as a CAN Master/CAN Device

– Using the CAN libraries

– CAN Direct

– Bus termination resistors

– Properties of the CANopen cable

3 Mounting

Mounting the XC121 on a top-hat rail

Mounting the XIO-EXT121-1

APPLICATION switch setting

Input/output wiring

4 Engineering

Control panel layout

– Ventilation

– Layout of units

Preventing interference

– Suppressor circuitry for interference sources

–Shielding

Lighting protection

Connections

– Connecting the power supply

– Connecting sensors and actuators

5 Configuration of the XIO-EXT121-1

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