Rockwell Automation 1440-TTC06-00RE User Manual

XM-361/362 Temperature Module

User Guide

Firmware Revision 5

1440-TUN06-00RE, 1440-TTC06-00RE

Important User Information

WARNING

IMPORTANT

ATTENTION

SHOCK HAZARD

BURN HAZARD

Solid state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (publication SGI-1.1 available from your local Rockwell Automation sales office or online at http://literature.rockwellautomation.com wired electromechanical devices. Because of this difference, and also because of the wide variety of uses for solid state equipment, all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable.

In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment.

The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and requirements associated with any particular installation, Rockwell Automation, Inc. cannot assume responsibility or liability for actual use based on the examples and diagrams.

No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or software described in this manual.

Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell Automation, Inc., is prohibited.

Throughout this manual, when necessary, we use notes to make you aware of safety considerations.

Identifies information about practices or circumstances that can cause an explosion in a hazardous environment, which may lead to personal injury or death, property damage, or economic loss.

) describes some important differences between solid state equipment and hard-

Identifies information that is critical for successful application and understanding of the product.

Identifies information about practices or circumstances that can lead to personal injury or death, property damage, or economic loss. Attentions help you identify a hazard, avoid a hazard, and recognize the consequence

Labels may be on or inside the equipment, for example, a drive or motor, to alert people that dangerous voltage may be present.

Labels may be on or inside the equipment, for example, a drive or motor, to alert people that surfaces may reach dangerous temperatures.

Allen-Bradley, Rockwell Automation, and XM are trademarks of Rockwell Automation, Inc.

Trademarks not belonging to Rockwell Automation are property of their respective companies.

Safety Approvals

WARNING

AVERTISSEMENT

IMPORTANT

The following information applies when operating this equipment in hazardous locations.

Products marked "CL I, DIV 2, GP A, B, C, D" are suitable for use in Class I Division 2 Groups A, B, C, D, Hazardous Locations and nonhazardous locations only. Each product is supplied with markings on the rating nameplate indicating the hazardous location temperature code. When combining products within a system, the most adverse temperature code (lowest "T" number) may be used to help determine the overall temperature code of the system. Combinations of equipment in your system arfe subject to investigation by the local Authority Having Jurisdiction at the time of installation.

EXPLOSION HAZARD -

•Do not disconnect equipment unless power has been removed or the area is known to be nonhazardous.

•Do not disconnect connections to this equipment unless power has been removed or the area is known to be nonhazardous. Secure any external connections that mate to this equipment by using screws, sliding latches, threaded connectors, or other means provided with this product.

•Substitution of components may impair suitability for Class I, Division 2.

•If this product contains batteries, they must only be changed in an area known to be nonhazardous.

Informations sur l’utilisation de cet équipement en environnements dangereux.

Les produits marqués "CL I, DIV 2, GP A, B, C, D" ne conviennent qu'à une utilisation en environnements de Classe I Division 2 Groupes A, B, C, D dangereux et non dangereux. Chaque produit est livré avec des marquages sur sa plaque d'identification qui indiquent le code de température pour les environnements dangereux. Lorsque plusieurs produits sont combinés dans un système, le code de température le plus défavorable (code de température le plus faible) peut être utilisé pour déterminer le code de température global du système. Les combinaisons d'équipements dans le système sont sujettes à inspection par les autorités locales qualifiées au moment de l'installation.

RISQUE D’EXPLOSION –

•Couper le courant ou s'assurer que l'environnement est classé non dangereux avant de débrancher l'équipement.

•Couper le courant ou s'assurer que l'environnement est classé non dangereux avant de débrancher les connecteurs. Fixer tous les connecteurs externes reliés à cet équipement à l'aide de vis, loquets coulissants, connecteurs filetés ou autres moyens fournis avec ce produit.

•La substitution de composants peut rendre cet équipement inadapté à une utilisation en environnement de Classe I, Division 2.

•S'assurer que l'environnement est classé non dangereux avant de changer les piles.

Wiring to or from this device, which enters or leaves the system enclosure, must utilize wiring methods suitable for Class I, Division 2 Hazardous Locations, as appropriate for the installation in accordance with the product drawings as indicated in the following table.

Model Catalog Number Haz Location Drawings* Model Catalog Number Haz Location Drawings*

w/o Barriers

XM-120 1440-VST0201RA XM-121 1440-VLF0201RA XM-360 1440-TPR0600RE XM-122 1440-VSE0201RA XM-361 1440-TUN0600RE XM-123 1440-VAD0201RA XM-361 1440-TTC0600RE XM-160 1440-VDRS0600RH XM-161 1440-VDRS0606RH XM-441 1440-REX0004RD 48241-HAZ N/A XM-162 1440-VDRP0600RH XM-442 1440-REX0304RG 48642-HAZ N/A XM-220 1440-SPD0201RB 48640-HAZ 48641-HAZ

48178-HAZ 48179-HAZ

51263-HAZ 51264-HAZ

* Drawings are available on the included CD

w/ Barriers

w/o Barriers

XM-320 1440-TPS0201RB 48238-HAZ 48239-HAZ

48295-HAZ 48299-HAZ

XM-440 1440-RMA0004RC 48240-HAZ N/A

w/ Barriers

Introduction

Installing the XM-361/362 Temperature Modules

Chapter 1

Introducing the XM-361 and XM-362 Modules. . . . . . . . . . . . . . . . . . . 1

XM-361 and XM-362 Module Components . . . . . . . . . . . . . . . . . . . . . 2

Using this Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Organization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Document Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Chapter 2

XM Installation Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

System Wiring Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

RTD Wiring Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Grounding Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Mounting the Terminal Base Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

DIN Rail Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Interconnecting Terminal Base Units. . . . . . . . . . . . . . . . . . . . . . . 16

Panel/Wall Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Connecting Wiring for Your Module . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Terminal Block Assignments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Connecting the Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Connecting the 4-20 mA Outputs . . . . . . . . . . . . . . . . . . . . . . . . . 22

Connecting a Remote Relay Reset Signal . . . . . . . . . . . . . . . . . . . . 24

XM-361 Module Sensor Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

XM-362 Module Sensor Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

PC Serial Port Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

DeviceNet Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Mounting the Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Module Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Basic Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Powering Up the Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Manually Resetting Relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Chapter 3

Configuration Parameters

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General Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Channel Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Alarm Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Relay Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

4-20 mA Output Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Triggered Trend Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

I/O Data Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Data Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Channel Data Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Alarm and Relay Status Parameters . . . . . . . . . . . . . . . . . . . . . . . . 63

Device Mode Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Specifications

DeviceNet Information

DeviceNet Objects

Appendix A

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Appendix B

Electronic Data Sheets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Changing Operation Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Transition to Program Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Transition to Run Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

XM Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Invalid Configuration Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

XM-361/362 I/O Message Formats. . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Poll Message Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

COS Message Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Bit-Strobe Message Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

ADR for XM Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Appendix C

Identity Object (Class ID 01H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Class Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Instance Attributes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

DeviceNet Object (Class ID 03H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Class Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Instance Attributes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Assembly Object (Class ID 04H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Class Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Instances. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Instance Attributes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Assembly Instance Attribute Data Format. . . . . . . . . . . . . . . . . . . 88

Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Connection Object (Class ID 05H). . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Class Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Instances. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Instance Attributes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Analog Input Point Object (Class ID 0AH). . . . . . . . . . . . . . . . . . . . . 94

Class Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Instances. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Instance Attributes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

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vii

Parameter Object (Class ID 0FH). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Class Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Instances. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Instance Attributes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Analog Input Group Object (Class ID 20H) . . . . . . . . . . . . . . . . . . . 100

Class Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Instances. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Instance Attributes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Acknowledge Handler Object (Class ID 2BH) . . . . . . . . . . . . . . . . . 102

Class Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Instances. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Instance Attributes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Alarm Object (Class ID 31DH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Class Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Instances. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Instance Attributes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Device Mode Object (Class ID 320H) . . . . . . . . . . . . . . . . . . . . . . . . 104

Class Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Instance Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Relay Object (Class ID 323H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Class Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Instances. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Instance Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

4-20 mA Output Object (Class ID 32AH) . . . . . . . . . . . . . . . . . . . . . 108

Class Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Instances. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Instance Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Glossary

Index

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

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Chapter

Introduction

This chapter provides an overview of the XM-361 Universal Temperature and the XM-362 Isolated Thermocouple Temperature modules. It also discusses the components of the modules.

For information about See page

Introducing the XM-361 and XM-362 Modules 1 XM-361 and XM-362 Module Components 2 Using this Manual 3

Introducing the XM-361 and XM-362 Modules

The XM-361 Universal Temperature module and the XM-362 Isolated Thermocouple Temperature module are members of the Allen-Bradley™

XM protection modules that operate both in stand-alone applications or integrate with Programmable Logic Controllers (PLCs) and control system networks.

The XM-361 and XM-362 modules are intelligent 6-channel temperature monitors. The XM-361 module can be configured to measure either Resistance Temperature Detector (RTD) or Thermocouple (TC), or a mixture of RTD or TC inputs. The XM-362 module provides 250V dc of channel-to-channel isolation and is specifically designed to measure temperature with Thermocouple inputs.

For applications where it is not possible to integrate XM data directly via DeviceNet, the XM-361 and XM-362 provide separate 4-20mA outputs for each channel. And for applications requiring relays, the modules support connecting up to two XM-441 Expansion Relay modules, providing a total of eight relays. The XM-361/362 can also collect trend data on an event such as a relay actuation.

The modules can operate stand-alone, or they can be deployed on a standard or dedicated DeviceNet network where they can provide real-time data and status information to other XM modules, PLCs, distributed control systems (DCS), and Condition Monitoring Systems.

Series, a family of DIN rail mounted condition monitoring and

The XM-361 and XM-362 can be configured remotely via the DeviceNet network, or locally using a serial connection to a PC or laptop. Refer to Chapter 3 for a list of the configuration parameters.

1 Publication GMSI10-UM008D-EN-P - August 2010

XM-944 Temperature Module Terminal Base Unit

Cat. No. 1440-TB-E

XM-361 Universal Temperature Module

Cat. No. 1440-TUN06-00RE

XM-362 Isolated Thermocouple Temperature Module

Cat. No. 1440-TTC06-00RE

IMPORTANT

XM-361 and XM-362 Module Components

The XM-361 and XM-362 consist of a terminal base unit and an instrument module. The XM-361 and XM-362 Temperature modules and the XM-944 Temperature Terminal Base are shown below.

Figure 1.1 XM-361/362 Module Components

• XM-944 Temperature Module Terminal Base - A DIN rail mounted base unit that provides terminations for all field wiring required by XM Temperature modules, including the XM-361 and XM-362.

• XM-361/362 Temperature Module - The module mounts on the XM-944 terminal base via a keyswitch and a 96-pin connector. The module contains the measurement electronics, processors, and serial interface port for local configuration.

Up to two XM-441 Expansion Relay modules may be connected to the XM-361 or XM-362 module via the XM-944 terminal base.

When connected to the module, the Expansion Relay modules simply "expand" the capability of the XM-361 or XM-362 by providing a total of up to eight relays. The Temperature module controls the operation of the Expansion Relay modules.

Publication GMSI10-UM008D-EN-P - August 2010

TIP

Using this Manual

This manual introduces you to the XM-361 and XM-362 Temperature modules. It is intended for anyone who installs, configures, or uses the XM-361 and XM-362 Temperature modules.

Organization

To help you navigate through this manual, it is organized in chapters based on these tasks and topics.

Chapter 1 "Introduction" contains an overview of this manual and the XM-361 and XM-362 modules.

Chapter 2 "Installing the XM-361/362 Temperature Module" describes how to install, wire, and use the XM-361 and XM-362 modules.

Chapter 3 "Configuration Parameters" provides a complete listing and description of the XM-361 and XM-362 parameters. The parameters can be viewed and edited using the XM Serial Configuration Utility software and a personal computer.

Appendix A "Specifications" lists the technical specifications for the XM-361 and XM-362 modules.

Appendix B "DeviceNet Information" provides information to help you configure the XM-361 and XM-362 over a DeviceNet network.

Appendix C "DeviceNet Objects" provides information on the DeviceNet objects supported by the XM-361 and XM-362 modules.

For definitions of terms used in this Guide, see the Glossary at the end of the Guide.

Document Conventions

There are several document conventions used in this manual, including the following:

The XM-361 and XM-362 Temperature modules are referred to as XM-361/362, Temperature modules, devices, or modules throughout this manual.

A tip indicates additional information which may be helpful.

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EXAMPLE

This convention presents an example.

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Chapter

ATTENTION

Installing the XM-361/362 Temperature Modules

This chapter discusses how to install and wire the XM-361 and XM-362 Temperature modules. It also describes the module indicators and the basic operations of the modules.

For information about See page

XM Installation Requirements 6 Mounting the Terminal Base Unit 14 Connecting Wiring for Your Module 17 Mounting the Module 42 Module Indicators 43 Basic Operations 45

Environment and Enclosure

This equipment is intended for use in a Pollution Degree 2 Industrial environment, in overvoltage Category II applications (as defined in IED publication 60664–1), at altitudes up to 2000 meters without derating.

This equipment is supplied as “open type” equipment. It must be mounted within an enclosure that is suitably designed for those specific environmental conditions that will be present, and appropriately designed to prevent personal injury resulting from accessibility to live parts. The interior of the enclosure must be accessible only by the use of a tool. Subsequent sections of this publication may contain additional information regarding specific enclosure type ratings that are required to comply with certain product safety certifications.

See NEMA Standards publication 250 and IEC publication 60529, as applicable, for explanations of the degrees of protection provided by different types of enclosures.

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ATTENTION

IMPORTANT

XM Installation Requirements

This section describes requirements and considerations for an XM system.

System Wiring Requirements

Use solid or stranded wire. All wiring should meet the following specifications:

• 14 to 22 AWG copper conductors without pretreatment; 8 AWG required for grounding the DIN rail for electromagnetic interference (emi) purposes

• Recommended strip length 8 millimeters (0.31 inches)

• Minimum insulation rating of 300 V

• Soldering the conductor is forbidden

• Wire ferrules can be used with stranded conductors; copper ferrules

recommended

See the XM Documentation and Configuration Utility CD for Hazardous Locations installation drawings. The XM Documentation and Configuration Utility CD is packaged with the XM modules.

RTD Wiring Considerations

When using RTDs as inputs, give special consideration when selecting the input cable. Select a cable that has consistent impedance throughout its entire length.

The XM-361 requires three wires to compensate for lead resistance error. We recommend that you do not use 2-wire RTDs if long cable runs are required, as it reduces the accuracy of the system. However, if a 2-wire configuration is required, reduce the effect of the lead wire resistance by using a lower-gauge wire for the cable (for example, use 16 AWG instead of 24 AWG).

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IMPORTANT

ATTENTION

When using a 3-wire configuration, the XM-361 compensates for resistance error due to lead wire length. For example, in a 3-wire configuration, the XM-361 reads the resistance due to the length of the wires and assumes that the resistance of the other wire is equal. If the resistance of the individual lead wires is much different, an error may exist. The closer the resistance values are to each other, the greater the amount of error is eliminated.

To ensure temperature or resistance value accuracy, the resistance difference of the cable lead wires must be equal to or less than 0.01 ohm.

To ensure that the lead values match as closely as possible:

• Keep lead resistance as small as possible and less than 50 ohms.

• Use quality cable that has a small tolerance impedance rating.

• Use a heavy-gauge lead wire which has less resistance per foot.

Power Requirements

Before installing your module, calculate the power requirements of all modules interconnected via their side connectors. The total current draw through the side connector cannot exceed 3 A. Refer to the specifications for the specific modules for power requirements.

A separate power connection is necessary if the total current draw of the interconnecting modules is greater than 3 A.

Figure 2.1 is an illustration of wiring modules using separate power connections.

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Any limited power source that satisfies the requirements specified below

Figure 2.1 XM Modules with Separate Power Connections

Power Supply Requirements

XM Power Supply Requirements

Listed Class 2 rated supply, or

Protection

Fused* ITE Listed SELV supply, or

Fused* ITE Listed PELV supply Output Voltage 24 Vdc ± 10% Output Power 100 Watts Maximum (~4A @ 24 Vdc) Static Regulation ± 2% Dynamic Regulation ± 3% Ripple < 100mVpp Output Noise Per EN50081-1 Overshoot < 3% at turn-on, < 2% at turn-off Hold-up Time As required (typically 50mS at full rated load) * When a fused supply is used the fuse must be a 5 amp, listed, fast acting fuse such as

provided by Allen-Bradley part number 1440-5AFUSEKIT

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IMPORTANT

See Application Technique "XM Power Supply Solutions", publication ICM-AP005A-EN-E, for guidance in architecting power supplies for XM systems.

Grounding Requirements

Use these grounding requirements to ensure safe electrical operating circumstances, and to help avoid potential emi and ground noise that can cause unfavorable operating conditions for your XM system.

DIN Rail Grounding

The XM modules make a chassis ground connection through the DIN rail. The DIN rail must be connected to a ground bus or grounding electrode conductor using 8 AWG or 1 inch copper braid. See Figure 2.2.

Use zinc-plated, yellow-chromated steel DIN rail (Allen-Bradley part no. 199-DR1 or 199-DR4) or equivalent to assure proper grounding. Using other DIN rail materials (e.g. aluminum, plastic, etc.), which can corrode, oxidize, or are poor conductors can result in improper or intermittent platform grounding.

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Power Supply

DYNAMIC MEASUREMENT

1440-VST02-01RA

DYNAMIC MEASUREMENT

1440-VST02-01RA

POSITION

1440-TSP02-01RB

MASTER RELAY

1440-RMA00-04RC

EXPANSION RELAY

1440-REX00-04RD

EXPANSION RELAY

1440-REX00-04RD

EXPANSION RELAY

1440-REX00-04RD

EXPANSION RELAY

1440-REX00-04RD

Power Supply

DYNAMIC MEASUREMENT

1440-VST02-01RA

DYNAMIC MEASUREMENT

1440-VST02-01RA

EXPANSION RELAY

1440-REX00-04RD

EXPANSION RELAY

1440-REX00-04RD

Figure 2.2 XM System DIN Rail Grounding

1 Use 14 AWG wire.

The grounding wire can be connected to the DIN rail using a DIN Rail Grounding Block (Figure 2.3).

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Figure 2.3 DIN Rail Grounding Block

Panel/Wall Mount Grounding

The XM modules can also be mounted to a conductive mounting plate that is grounded. See Figure 2.5. Use the grounding screw hole provided on the terminal base to connect the mounting plate the Chassis terminals.

Figure 2.4 Grounding Screw on XM Terminal Base

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Power Supply

Figure 2.5 Panel/Wall Mount Grounding

1 Use 14 AWG wire.

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IMPORTANT

To Ground Bus

24 V Common Grounding

24 V power to the XM modules must be grounded. When two or more power supplies power the XM system, ground the 24 V Commons at a single point, such as the ground bus bar.

If it is not possible or practical to ground the -24Vdc supply, then it is possible for the system to be installed and operate ungrounded. However, if installed ungrounded then the system must not be connected to a ground through any other circuit unless that circuit is isolated externally. Connecting a floating system to a non-isolated ground could result in damage to the XM module(s) and/or any connected device. Also, operating the system without a ground may result in the system not performing to the published specifications regards measurement accuracy and communications speed, distance or reliability.

The 24 V Common and Signal Common terminals are internally connected. They are isolated from the Chassis terminals unless they are connected to ground as described in this section. Refer to Terminal Block Assignments on page 18 for more information.

DeviceNet Grounding

The DeviceNet network is functionally isolated and must be referenced to earth ground at a single point. XM modules do not require an external DeviceNet power supply. Connect DeviceNet V- to earth ground at one of the XM modules, as shown in Figure 2.6.

Figure 2.6 Grounded DeviceNet V- at XM Module

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ATTENTION

Use of a separate DeviceNet power supply is not permitted. See Application Technique "XM Power Supply Solutions", publication ICM-AP005A-EN-E, for guidance in using XM with other DeviceNet products.

For more information on the DeviceNet installation, refer to the ODVA Planning and Installation Manual - DeviceNet Cable System, which is available on the ODVA web site (http://www.odva.org).

Mounting the Terminal Base Unit

The XM family includes several different terminal base units to serve all of the measurement modules. The XM-944 terminal base, Cat. No. 1440-TB-E, is the only terminal base unit used with the Temperature modules.

The terminal base can be DIN rail or wall/panel mounted. Refer to the specific method of mounting below.

The XM modules make a chassis ground connection through the DIN rail. Use zinc plated, yellow chromated steel DIN rail to assure proper grounding. Using other DIN rail materials (e.g. aluminum, plastic, etc.), which can corrode, oxidize or are poor conductors can result in improper or intermittent platform grounding.

You can also mount the terminal base to a grounded mounting plate. Refer to Panel/Wall Mount Grounding on page 11.

DIN Rail Mounting

Use the steps below to mount the XM-944 terminal base unit on a DIN rail (A-B pt no. 199-DR1 or 199-DR4).

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1. Position the terminal base on the 35 x 7.5 mm DIN rail (A).

Position terminal base at a slight angle and hook over the top of the DIN rail.

2. Slide the terminal base unit over leaving room for the side connector (B).

3. Rotate the terminal base onto the DIN rail with the top of the rail hooked under the lip on the rear of the terminal base.

4. Press down on the terminal base unit to lock the terminal base on the DIN rail. If the terminal base does not lock into place, use a screwdriver or similar device to open the locking tab, press down on the terminal base until flush with the DIN rail and release the locking tab to lock the base in place.

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IMPORTANT

Interconnecting Terminal Base Units

Follow the steps below to install another terminal base unit.

Make certain you install the terminal base units in order of left to right.

1. Position the terminal base on the 35 x 7.5 mm DIN rail (A).

2. Make certain the side connector (B) is fully retracted into the base unit.

3. Slide the terminal base unit over tight against the neighboring terminal

base. Make sure the hook on the terminal base slides under the edge of the terminal base unit.

5. Gently push the side connector into the side of the neighboring terminal base unit to complete the backplane connection.

Panel/Wall Mounting

Installation on a wall or panel consists of:

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• laying out the drilling points on the wall or panel

• drilling the pilot holes for the mounting screws

• installing the terminal base units and securing them to the wall or panel

Use the following steps to install the terminal base on a wall or panel.

Side Connector

1. Lay out the required points on the wall/panel as shown in the drilling dimension drawing below.

Connecting Wiring for Your Module

2. Drill the necessary holes for the #6 self-tapping mounting screws.

3. Secure the terminal base unit using two #6 self-tapping screws.

4. To install another terminal base unit, retract the side connector into the base unit. Make sure it is fully retracted.

5. Position the terminal base unit up tight against the neighboring terminal

base. Make sure the hook on the terminal base slides under the edge of the terminal base unit.

6. Gently push the side connector into the side of the neighboring terminal base to complete the backplane connection.

7. Secure the terminal base to the wall with two #6 self-tapping screws.

Wiring to the module is made through the terminal base unit on which the module mounts. The XM-361 and XM-362 modules are compatible only with the XM-944 terminal base unit, Cat. No. 1440-TB-E.

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ATTENTION

WARNING

XM-944, Cat. No. 1440-TB-E

Figure 2.7 XM-944 Terminal Base Unit

Terminal Block Assignments

The terminal block assignments and descriptions for the XM-361 and XM-362 modules are shown below.

The terminal block assignments are different for different XM modules. The following table applies only to the Temperature modules. Refer to the installation instructions for the specific XM module for its terminal assignments.

EXPLOSION HAZARD

Do not disconnect equipment unless power has been removed or the area is known to be nonhazardous.

Do not disconnect connections to this equipment unless power has been removed or the area is known to be nonhazardous. Secure any external connections that mate to this equipment by using screws, sliding latches, threaded connectors, or other means provided with this product.

Terminal Block Assignments

Name

No. XM-361 XM-362 Description

0 Chassis Connection to DIN rail ground spring or panel mounting hole 1 Chassis Connection to DIN rail ground spring or panel mounting hole 2 Chassis Connection to DIN rail ground spring or panel mounting hole 3 RTD 1 (+) No Connection Constant current is sourced to the RTD 4 RTD 1 (+) No Connection

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Positive voltage across the RTD is measured here Redundant terminal should remain unterminated

Terminal Block Assignments

Name

No. XM-361 XM-362 Description

5 RTD 2 (+) No Connection Constant current is sourced to the RTD 6 RTD 2 (+ No Connection

Positive voltage across the RTD is measured here

Redundant terminal should remain unterminated 7 RTD 3 (+) No Connection Constant current is sourced to the RTD 8 RTD 3 (+) No Connection

Positive voltage across the RTD is measured here

Redundant terminal should remain unterminated 9 RTD 4 (+) No Connection Constant current is sourced to the RTD 10 RTD 4 (+) No Connection

Positive voltage across the RTD is measured here

Redundant terminal should remain unterminated 11 RTD 5 (+) No Connection Constant current is sourced to the RTD 12 RTD 5 (+) No Connection

Positive voltage across the RTD is measured here

Redundant terminal should remain unterminated 13 RTD 6 (+) No Connection Constant current is sourced to the RTD 14 RTD 6 (+) No Connection

Positive voltage across the RTD is measured here

Redundant terminal should remain unterminated 15 Chassis Connection to DIN rail ground spring or panel mounting hole 16 4-20 mA 1 (+) 4-20 mA output 1, positive side 17 4-20 mA 2 (+) 4-20 mA output 2, positive side 18 4-20 mA 3 (+) 4-20 mA output 3, positive side 19 TC 1 (+) / RTD 1 (-) TC 1 (+) Positive terminal when channel configured as a

thermocouple input

Negative side of the voltage across the RTD in an RTD

configuration

Positive side of the lead wire detection in a 3-wire RTD

configuration 20 TC 1 (-) / RTD 1 (-) TC 1 (-) Negative terminal when channel configured as a

thermocouple input

Constant current return in an RTD configuration

Negative side of the lead wire detection 21 TC 2 (+) / RTD 2 (-) TC 2 (+) Positive terminal when channel configured as a

thermocouple input

Negative side of the voltage across the RTD in an RTD

configuration

Positive side of the lead wire detection in a 3-wire RTD

configuration 22 TC 2 (-) / RTD 2 (-) TC 2 (-) Negative terminal when channel configured as a

thermocouple input

Constant current return in an RTD configuration

Negative side of the lead wire detection 23 TC 3 (+) / RTD 3 (-) TC 3 (+) Positive terminal when channel configured as a

thermocouple input

Negative side of the voltage across the RTD in an RTD

configuration

Positive side of the lead wire detection in a 3-wire RTD

configuration

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Terminal Block Assignments

Name

No. XM-361 XM-362 Description

24 TC 3 (-) / RTD 3 (-) TC 3 (-) Negative terminal when channel configured as a

thermocouple input

Constant current return in an RTD configuration

Negative side of the lead wire detection 25 TC 4 (+) / RTD 4 (-) TC 4 (+) Positive terminal when channel configured as a

thermocouple input

Negative side of the voltage across the RTD in an RTD

configuration

Positive side of the lead wire detection in a 3-wire RTD

configuration 26 TC 4 (-) / RTD 4 (-) TC 4 (-) Negative terminal when channel configured as a

thermocouple input

Constant current return in an RTD configuration

Negative side of the lead wire detection 27 TC 5 (+) / RTD 5 (-) TC 5 (+) Positive terminal when channel configured as a

thermocouple input

Negative side of the voltage across the RTD in an RTD

configuration

Positive side of the lead wire detection in a 3-wire RTD

configuration 28 TC 5 (-) / RTD 5 (-) TC 5 (-) Negative terminal when channel configured as a

thermocouple input

Constant current return in an RTD configuration

Negative side of the lead wire detection 29 TC 6 (+) / RTD 6 (-) TC 6 (+) Positive terminal when channel configured as a

thermocouple input

Negative side of the voltage across the RTD in an RTD

configuration

Positive side of the lead wire detection in a 3-wire RTD

configuration 30 TC 6 (-) / RTD 6 (-) TC 6 (-) Negative terminal when channel configured as a

thermocouple input

Constant current return in an RTD configuration

Negative side of the lead wire detection 31 4-20 mA 4 (+) 4-20 mA output 4, positive side 32 4-20 mA 5 (+) 4-20 mA output 5, positive side 33 4-20 mA 6 (+) 4-20 mA output 6, positive side 34 4-20 mA 1 (-) 4-20 mA output 1, negative side 35 4-20 mA 2 (-) 4-20 mA output 2, negative side 36 4-20 mA 3 (-) 4-20 mA output 3, negative side 37 +24 V In Connection to primary external +24 V power supply, positive

side 38 24 V Common Connection to external +24 V power supply, negative side

(internally DC-coupled to circuit ground) 39 Reserved

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24V dc Power Supply

Terminal Block Assignments

Name

No. XM-361 XM-362 Description

40 Common Internally DC-coupled to circuit ground 41 Chassis Connection to DIN rail ground spring or panel mounting hole 42 Chassis Connection to DIN rail ground spring or panel mounting hole 43 Chassis Connection to DIN rail ground spring or panel mounting hole 44 CAN_High DeviceNet bus connection, high differential (white wire) 45 CAN_Low DeviceNet bus connection, low differential (blue wire) 46 CAN Shield DeviceNet bus connection to chassis ground (bare wire) 47 DNet V (+) DeviceNet bus power input, positive side (red wire) 48 DNet V (-) DeviceNet bus power input, negative side (black wire) 49 4-20 mA 4 (-) 4-20 mA output 4, negative side 50 4-20 mA 5 (-) 4-20 mA output 5, negative side 51 4-20 mA 6 (-) 4-20 mA output 6, negative side

Connecting the Power Supply

The power supply to the module is nominally 24V dc (±10%) and must be a Class 2 rated circuit.

Wire the DC-input power supply to the terminal base unit as shown in Figure

2.8.

Figure 2.8 DC Input Power Supply Connections

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IMPORTANT

ATTENTION

A Class 2 circuit can be provided by use of an NEC Class 2 rated power supply, or by using a SELV or PELV rated power supply with a 5 Amp current limiting fuse installed before the XM module(s).

24Vdc needs to be wired to terminal 37 (+24 V In) to provide power to the device and other XM modules linked to the wired terminal base via the side connector.

The power connections are different for different XM modules. Refer to the installation instructions for your specific XM module for complete wiring information.

Connecting the 4-20 mA Outputs

The XM-361 and XM-362 include six 4-20 mA output channels into a maximum load of 600 ohms each. The 4-20 mA outputs are arranged into two isolated banks of three outputs each. Each bank of 4-20 mA outputs is electrically isolated from the other bank and from circuit power and ground. The isolation provided is up to 250 V.

The measurements that the 4-20 mA output tracks and the signal levels that correspond to the 4 mA and 20 mA are configurable. Refer to 4-20 mA Output Parameters on page 57 for a description of the 4-20 mA parameters.

Wire the 4-20 mA outputs to the terminal base unit as shown in Figure 2.9 and Figure 2.10.

The 4-20 mA output shields must be grounded at a single point. It is recommended that where possible the cable shield be grounded at the equipment wired to the 4-20 mA output and not at the XM terminal base.

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+ 97 hidden pages

Rockwell Automation 1440-TTC06-00RE User Manual

Table of Contents

Introduction

Introducing the XM-361 and XM-362 Modules

XM-361 and XM-362 Module Components

Using this Manual

Organization

Document Conventions

Installing the XM-361/362 Temperature Modules

XM Installation Requirements

System Wiring Requirements

RTD Wiring Considerations

Power Requirements

Grounding Requirements

Mounting the Terminal Base Unit

DIN Rail Mounting

Interconnecting Terminal Base Units

Panel/Wall Mounting

Connecting Wiring for Your Module

Terminal Block Assignments

Connecting the Power Supply

Connecting the 4-20 mA Outputs