Control Techniques UD77 DeviceNet Guida utente

Page 1 of 77

Start Up Guide

for

UD77 DeviceNet

Systems

Version 1.00 August 2000

Control Techniques, 2000

P/N UD77-SUG

SLC 500

Page 2 of 77

Unidrive UD77 DeviceNet

Start-Up Guide

Overview

This Start-Up Guide is intended to aid installation of one or more Unidrives, each fitted with the

UD77 DeviceNetoption and an Allen Bradley Modular SLC 500 PLC.

This guide presents an example start up of a SLC 5/04 PLC used with a 1747-SDN DeviceNet

Scanner and two or more Unidrives, each Unidrive fitted with the UD77 DeviceNet option.

However, the same principles should apply when using the SLC 5/02, or SLC 5/03, or SLC 5/05

(other types of SLC) in conjunction with a 1747-SDN DeviceNet Scanner. This guide could also

provide some limited guidance for installing the MD25 DeviceNet interface for the Mentor 2 with

a SLC 500 PLC.

WARNING

This guide does not address power wiring and associated safety practices.

Start-up of this nature can be hazardous and should only be performed

by qualified technicians familiar with motors and drives of this sort. This

guide is meant to supplement the Unidrive Installation Manual and the

User’s Guide which must be consulted (specifically section 2-1 in the User

Guide) prior to this guide being used. Power wiring, keypad operation and

related instructions are to be found in these manuals.

A experienced start-up engineer will be able to apply previous experience when a line is being

commissioned that uses a DeviceNet fieldbus to link the PLC to the Unidrives. Prior to the

application of power, the engineer will need to determine if that section of the system is both

safe and ready for power to resume. The engineer will also need to check, correct and validate

the entire “process pyramid” in manageable pieces and will need to proceed in a thorough and

systematic manner until everything is functioning as designed and as required.

The experienced startup engineer will learn the techniques used to establish and validate useful

communication and control links from the PLC(s) to the Unidrives via DeviceNet. The engineer

will also learn how product configuration information from Control Techniques, with software-

based configuration tools from other vendors, is integrated to establish the required

communication and control links on a system that uses a DeviceNet fieldbus.

Every complex control scheme can be broken down and evaluated as a series of combinations

of a simple control scheme. The simple control scheme presented in this guide consists of a

single executive controller and two controlled Motor / Drive / Machine-process Sections, with

some form of communication and control link between the controller and the controlled. On a

Control Techniques supplied DeviceNet system, the executive controller is usually a separate

PLC or Process computer with some form of Human Interface, and the controlled Drive is a

Page 3 of 77

Unidrive (or Mentor 2 or Quantum 3) fitted with a DeviceNet Interface. The link is a DeviceNet

fieldbus.

In the context of modern “smart” and “programmable” Motor Drives, such as the Unidrive, the

default configuration provided serves as the standard product design. The use of the default

DeviceNet configuration files is illustrated in this guide, as is the configuration and establishment

of the default cyclic links between the 1747-SDN Scanner and the Unidrives.

DeviceNet Manager (and RSLogix500 as well) is organized around the concept of a “project”.

In this sense, a “project” functions as a “container” for the various files and data structures

created (or needed) by the program during the specification and configuration of one or more

related DeviceNet networks.

This start up guide is organized as a series of blocks that take the reader through the required

concepts and tasks for installation of the hardware and software and for creation of a DeviceNet

project. References to other materials for guidance about tasks not covered here are provided

at the end of the document.

Page 4 of 77

Table of Contents

OVERVIEW................................................................................................................................................................ 2

TABLE OF CONTENTS............................................................................................................................................ 4

REQUIRED MATERIALS........................................................................................................................................ 5

DEVICENET NETWORK SOFTWARE CONFIGURATION TOOLS REQUIREMENTS ........................................................... 5

SLC 500 PLC PROGRAMMING TOOLS REQUIREMENTS ............................................................................................. 5

PC HARDWARE REQUIREMENTS................................................................................................................................5

FUNCTIONAL DEVICENET NETWORK HARDWARE REQUIREMENTS ........................................................................... 6

HARDWARE INSTALLATION............................................................................................................................... 9

STEP 1. ASSEMBLE MODULES AND SLC RACK INTO A COMPLETE PLC .................................................................... 9

STEP 2. ASSEMBLE THE DEVICENET NETWORK...................................................................................................... 10

STEP 3. USING A “EMPTY.RSS” PROJECT .............................................................................................................. 15

DEVICENET MANAGER INSTALLATION ....................................................................................................... 16

STEP 1. DEVICENET MANAGER INSTALLATION TO HARD DRIVE............................................................................. 16

STEP 2. INSTALLATION OF CONTROL TECHNIQUES “EDS” FILES TO DEVICENET MANAGER .................................. 18

STEP 3. CREATION OF THE “FIRST” DEVICENET PROJECT WITH DEVICENET MANAGER ....................................... 22

STEP 4. CONFIGURING INITIAL “INTERFACE-TO-SCANNER” COMMUNICATION ....................................................... 24

STEP 5. UNIDRIVE UD77 NETWORK CONFIGURATION ............................................................................................. 28

STEP 6. DEFINING AND MAPPING CYCLIC LINKS ..................................................................................................... 30

RSLOGIX500 AND RSLINX LITE USE ............................................................................................................... 50

STEP 1. CONFIGURING INITIAL COMMUNICATION TO THE SLC 500......................................................................... 50

STEP 2. USING AN “EMPTY.RSS” PROJECT TO INITIALIZE A SLC 5/0X PROCESSOR.............................................. 59

STEP 3. USING A “FIRST.RSS” PROJECT TO CONFIRM DEVICENET NETWORK....................................................... 59

STEP 4. SLC FAULT-AT-RUN TROUBLESHOOTING................................................................................................... 69

STEP 5. CLOSING RSLOGIX500 AND RSLINX LITE.................................................................................................. 74

APPENDIX................................................................................................................................................................ 77

USEFUL PUBLICATIONS AND APPLICATION NOTES .................................................................................................. 77

Page 5 of 77

Required Materials

DeviceNet Network Software Configuration Tools Requirements

DeviceNet Manager for Windows (P/N 1787-MGR available from Allen Bradley)

•Version 3.01 is the minimum usable

•Ver 3.04 is current product

•Ver 3.02 is used in this guide

•RSNetWorx for DeviceNet (is also usable, but not described in this guide)

Generic Electronic Data Sheets, bitmap and icon files for the Unidrive

•*.EDS, *.BMP and *.ICO files for Unidrive and Mentor 2 are available for free from the

Control Techniques SSPD support site and any Control Techniques Drive Center. These are

usually distributed as a single compressed file, “DEVNET.ZIP”.

SLC 500 PLC Programming Tools Requirements

SLC 500 PLC Program Development Software

•RSLogix500 (P/N 9324-RL0300ENx is English/Standard edition available from Allen

Bradley)

•Version 3.01.09 is illustrated, Ver 3.0x.0x is current product

RSLinx Lite (is included on RSLogix installation CDROM)

•Version 2.0.18 minimum for use with DeviceNet

PC Hardware Requirements

Recommended PC minimums reflect the guide’s use of a single serial port for both configuring

the fieldbus and programming the SLC 500.

PC - Pentium Class PC @100 MHz or better with:

•32 MB available RAM with Win95 or Win98 for OS

•64 MB available RAM with NT4.0 for OS

•120 MB Total Hard Disk Space free (20 MB for Applications, and 100 MB for OS swap file

use)

•CDROM quad-speed or better (for loading of RSLogix500 and RSLinx Lite)

•3 ½ “ 1.44 MB floppy drive (needed for RSLogix500 and loading DeviceNet Manager)

•1 available serial port, 16550 compatible UART

•Mouse and suitable port (PS-2 style requires PS-2 port, serial mouse requires a second

serial port)

Note that NT4.0 requires “Local Administrator” or “Power User” privileges to install software

on the machine. Use the latest applicable OS Service Release(s) available.

Also note that, while this guide has not been tested with Windows 2000, the requirements

should be similar to the NT 4.0 requirements, and it is assumed that the tasks described in

this guide can also be accomplished under Windows 2000 Professional.

Page 6 of 77

Functional DeviceNet Network Hardware Requirements

Note: This guide describes a small DeviceNet network, or something larger that has been

reduced to two Unidrives and two UD77s.

Modular SLC 500 PLC, SLC 5/02 processor or better.

•SLC 5/04 is recommended, unless additional Ethernet connectivity required.

•SLC 5/05 is recommended if additional Ethernet connectivity is needed.

SLC 500 modular chassis

Needed to house the power supply, processor, scanner and I/O module(s). A 1746-A4 4-

slot-rack is described in this guide.

SLC 500 power supply

A 1746-P1 rated at 2.0A/0.46A (at 5 V/24V) is described in this guide.

At least one Discrete Input Module.

•A “1746-IO12DC” combination input/output module is recommended for a small DeviceNet

network and is described, but not used, in this guide.

1747-SDN DeviceNet scanner module

PC-to-DeviceNet interface

This is required for configuring the scanner, and useful for commissioning the Unidrives.

•M/N 1770-KFD RS-232 interface is described in this guide. This interface can take its power

directly from the DeviceNet 24.0 VDC supply, so an optional 9.0 VDC supply is not required

unless isolating point-to-point taps are used with the interface.

Note that the interface cable that comes with this scanner can also be used as a 1747-CP3

cable into channel 0 of the processor to permit communication between the processor and

the PC.

•M/N 1784-PCD PCMCIA interface is usable, but not described further.

•M/N 1784-PCID PCI interface is also usable, but not described further.

Unidrive size 1 is recommended for evaluation, due to size. This includes Model Number(s)

UNI1401, UNI1402, UNI1403, UNI1404 or UNI1405. The Unidrive comes configured for

open loop operation as default, and this mode is assumed in this guide.

UD77 (UD70 with DeviceNet Interface) for each Unidrive.

The UD77TB (P/N 9290-56) is a small adapter PCB that provides a standard DeviceNet

open-style terminal connector and one is supplied with each UD77. A UD77 that is “up to

revision” contains the following subassemblies and firmware:

•UD70 System file DNET.SYS (V2.6.0 is earliest, V2.7.6 or later is recommended)

•UD70 Hardware UD70 issue 3

•UD77 Firmware (V2.00)

•UD77 Hardware UD77 Issue 2

DeviceNet Physical Media (the wire, power supply and terminating resistors)

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DeviceNet cable with five (5) conductors

•1 pair for 24V DC

•1 pair for CAN data transmission

•1 shield

•Conductors (color coded to Open DeviceNet Network Vendors Association standard)

Thin Cable and/or Thick Cable.

•Thin Cable P/N 1485C-P1-Cxxx (where xxx is length in meters) is rated at 3.0 amps DC.

Thin Cable can be used for the physical media for both Trunk Line and any Drop Line on a

small DeviceNet network.

•Thick Cable P/N 1485-A1-Axxx (where xxx is length in meters) is rated at 4.0 amps DC

(NEC in North America) or 8.0 amps elsewhere in the world. Thick Cable is usually used for

a DeviceNet Trunk Line, and details of its use are not described further in this guide.

Note: This guide describes an open-style daisy chain DeviceNet network with a single Trunk

Line utilizing Thin Cable.

Terminating Resistor

DeviceNet cable uses two open-style terminating resistors. These are included with

each 1747-SDN scanner. These have a value of 121 ohms (+/- 1%) and are rated at ¼

watt.

24 Volt DC regulated power supply

Rated from 1.0 to 8.0 amps, depending on the media used. For verification of a small

DeviceNet network such as described in this guide, the unregulated 24 Volt DC supply

found on the SLC 500 is adequate, and the use of Thin Cable for the media is

recommended. A regulated AC to DC +24 volt power supply rated at 1.0 amp (25 watts)

minimum to a maximum of 3.0 amps (75 watts) is required for a practical DeviceNet

network. Switching Regulators in a DIN-rail mounting format are among the latest

designs for these applications and are recommended.

Page 8 of 77

UD77

*T.R.

UD77

TB *T.R.

+24V DC

P/S

1747-SDN

DeviceNet

Scanner

(slot 1)

UD77

Unidrive

# 2

Unidrive

# 1

SLC 5/04

Processor

(slot 0)

1746-IO12DC

6 - Discrete Inputs

6 - Discrete Outputs

(slot 2)

Evaluation DeviceNet Network

logical layout

*T.R. - Termination

Rit

1770-KFD

DevceNet

RS-232

serial interface

RS-232 to Host PC

SLC500 Rack

Page 9 of 77

Hardware Installation

Step 1. Assemble Modules and SLC Rack into a Complete PLC

Complete SLC 500 PLC 4 slot Modular Rack, Power Supply, 5/04 Processor, Scanner and

Combination I/O. Note that discrete I/O module is not yet plugged in, and is not used in this

guide.

Refer to the following Allen Bradley installation instructions for additional and more detailed

information (these Allen Bradley publications are included with the respective module).

•SLC 500 Modular Chassis

•SLC 500 Power Supplies

•SLC 5/03, 5/04, and 5/05 Modular Processors

•DeviceNet Scanner Module

•DeviceNet RS-232 Interface Module

•Discrete I/O Modules

1. Be sure the incoming AC supply is turned off.

2. Mount and properly ground your SLC chassis. Use a dedicated ground strap.

3. Align and slide the SLC power supply until flush with the chassis, then fasten the supply to

the chassis with the screws to the left side of the supply. Set the input voltage jumper to

match the input voltage, then connect the chassis ground and incoming AC power. Finally

remove the protective label.

4. Insure the back-up battery is properly connected to the processor, then insert the SLC 5/0x

processor into the leftmost slot (slot 0) of the SLC Rack.

Power Supply

Module

SLC 5/04

rocessor

1747-SDN

DeviceNet

Scanner 1746-IODC 12

Discrete I/O

Page 10 of 77

5. Insert the 1747-SDN scanner into the rack. This guide recommends using slot 1, which is

right next to the SLC 5/0x processor slot.

6. Insert the Discrete I/O module into the next slot. Do not yet seat the module into the back-

plane connector. The initial RSLogix500 project file does not declare an I/O module, and

downloading a project file with undeclared modules fitted to a rack produces a major fault.

Step 2. Assemble the DeviceNet Network

1. Assemble the UD77 DeviceNet Module(s) and fit the assembly into each respective

Unidrive.

A. Fit one UD77TB DeviceNet open-style terminal connector to each UD77 Coprocessor.

B. Insert the assembled Co-processor into the large option bay in each Unidrive.

2. Continue to insure incoming power is turned off, and mount and properly earth ground each

Unidrive as appropriate.

3. Continue to insure incoming power is turned off, and connect the input voltage and control

connections to the Unidrive. Then connect the motor leads as described in the Unidrive

Installation and User’s Guide.

A. For a development and evaluation DeviceNet network that is not fitted with any AC

Motors, or is only operating the AC Motors unloaded, the Unidrive(s) can be adequately

powered via a fused, single phase 415 to 460 VAC supply. Operation without motors is

normally done only in open loop mode on the Unidrive.

B. Practical networks on real control systems driving real motor loads have the Unidrive(s)

powered via fused 460 VAC 3 phase supplies following guidelines set out by the NEC

(or equivalent jurisdiction) regarding the details concerning wiring conductor size,

insulation type, and over-current protection requirements. This guide does not provide

further guidance on this subject.

C. A development and evaluation DeviceNet network requires a jumper or a single pole

single throw switch controlling continuity from terminal 31 to terminal 30 (Drive enable)

on each Unidrive as the minimum control connection required for useful operation. This

means one jumper or switch for each Unidrive.

D. Practical networks on real control systems driving real motor loads have Emergency

Stop / Reset logic in hardwired relay ladders that provide a contact to each Unidrive to

control continuity from terminal 31 to terminal 30. This means one normally open

contact for each Unidrive, closed in a no-fault (reset) condition.

4. Mount the 1770-KFD DeviceNet interface.

A. For most network configuration(s) the 1770-KFD Interface can take its power from the

DeviceNet network 24 Volt supply.

B. A separate 9.0 Volt DC supply just for the Interface is only needed if the DeviceNet

Interface is connected to the network via isolating taps and network +24 Volts DC is not

available to the 1770-KFD interface. Continue to insure power is off, and connect the

DeviceNet devices together using the appropriate DeviceNet cabling.

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