Rockwell Automation 1738 Assembly User Manual

Assembly Connections for POINT I/O and ArmorPOINT I/O EtherNet/IP Adapters

Catalog Numbers Bulletins 1734 and 1738 User Manual

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

http://literature.rockwellautomation.com

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

available from your local Rockwell Automation sales office or online at

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.

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, such as a drive or motor, to alert people that dangerous voltage may be present.

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

Allen-Bradley, Rockwell Automation, POINT I/O, ArmorPOINT I/O, RSView, RSLinx, RSLogix 5000 and TechConnect are trademarks of Rockwell Automation, Inc.

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

Table of Contents Preface

Why Read This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Who Should Use This Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

About the Vocabulary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Related Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Common Techniques Used in this Manual. . . . . . . . . . . . . . . . . . . . . . vi

Chapter 1

Introduction

About Assembly Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Choose a Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Data Headers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Listen Only Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Connection Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Chapter 2

Configuration

About This Chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Configure the Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Chassis Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Data Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Individual Module Configuration Options. . . . . . . . . . . . . . . . . . . . 7

Module Configuration Sent with the Connection Request . . . . . . . 8

Module Configuration with RSNetWorx for DeviceNet. . . . . . . . . 8

Calculate the Connection Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Connection Size Calculation Example . . . . . . . . . . . . . . . . . . . . . . . 9

Troubleshooting Connection Size Errors. . . . . . . . . . . . . . . . . . . . 10

Preface

Read this preface to familiarize yourself with the rest of the manual. It provides information concerning:

• the purpose of this manual

• related documentation

• conventions used in this manual

Why Read This Manual

Who Should Use This Manual

About the Vocabulary

This manual is a reference guide for using Assembly Connections with POINT I/O and ArmorPOINT I/O modules.

You must be able to program and configure industrial automation controllers and I/O to use the connections specified in this manual. You should also be familiar with the POINT I/O or ArmorPOINT I/O families of product to use these connections.

We assume that you are familiar with the material presented in this manual. If you are not, refer to product-specific documentation before you attempt to use this manual. Related documentation for Rockwell Automation products is listed in the table below.

In this manual, we refer to the:

• 1734 family as POINT I/O modules

• 1738 family as ArmorPOINT I/O modules

Common Techniques Used in this Manual

The following conventions are used throughout this manual:

• Bulleted lists such as this one provide information, not procedural steps.

• Numbered lists provide sequential steps or hierarchical information.

• Italic type is used for emphasis.

An article on wire sizes and types for grounding electrical equipment.

. To order paper copies of

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Introduction

Chapter

1

About Assembly Connections

This document describes Assembly connections, a new connection type for POINT I/O and ArmorPOINT I/O EtherNet/IP adapters. These adapters currently support Rack Optimized connections between ControlLogix or CompactLogix controllers and the discrete I/O modules in the chassis.

They are also capable of bridging direct connections between any EtherNet/IP-capable connection originator and the I/O modules, via the backplane. This new functionality being presented will permit the exchange of data between an originator and all POINT I/O modules present in the chassis in one connection.

This new Assembly connection is mutually exclusive to other connection types, for example, Rack Optimized or Direct to module connections. In other words, if this connection is in use by one connection originator, other originators are prevented from making Rack Optimized or Direct Connections to the modules in the same chassis. Furthermore, the connection is all-inclusive; every module present in the backplane participates in the connection.

The I/O data that is exchanged with the adapter takes the following form:

Adapter Data Exchange

T → O produced I/O data O → T consumed I/O data

64-bit Status header Run/Idle header Slot 1 data Slot 1 data Slot 2 data Slot 2 data :: ::

(1)

Slot N

data

(1)

N is the number of I/O modules

The 64-bit Status header is optional and the packing of the data is dependant on the selected alignment choice. The exact method for determining the data structure is covered in the following sections.

Choose a Connection

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The Assembly connection supports an optional 64-bit status header and also supports requests from listen-only originators.

Slot N data

2 Introduction

Data Headers

In the Target to Originator (T → O) direction, the adapter can be configured to produce a status header for the connection. The header consists of an 8-byte bitmap, where bits 1 - 63 indicate the health of each of the 63 possible backplane connections. This is similar to existing Rack Optimized connections. A "1" indicates that a module is not connected or that slot is not populated. A "0" indicates that the module is actively participating in the connection. Currently, Bit 0 is reserved and should be ignored.

When the header is used, modules may be removed and reinserted without breaking the I/O connection to the adapter. Modules not present or that are failed are reflected in the status header.

If the optional status header is not included, the adapter cannot support RIUP without breaking the I/O connection. If any one I/O module fails or is removed, the adapter will break the connection to the connection originator. Since no status is provided, this is the only way to reflect the fact that a problem exists with the I/O modules on the backplane.

In the Originator to Target (O → T) direction the adapter supports the 4-byte Run/Idle header. Sending a "1" indicates that the controller is in the Run mode and that the adapter should apply the data that was just received. Sending a "0" indicates that the controller is in program or idle mode and that the adapter should put the I\O modules in their idle mode.

Listen Only Connections

Using an Assembly connection will allow multiple originators to consume data from the POINT I/O system. However, only one owner of the connection is permitted. That one owner will control all output devices present in the chassis as well as the configuration of the connection.

Connection Points

The following table lists the connection points that are supported for the different connection styles discussed.

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Supported Connection Points for Connection Styles

Introduction 3

Connection Configuration

Connection Point

Consumed Connection Point

Produced Connection Point

Exclusive Owner 102 100 101 Listen-only 102 191 101 Input-only 102 190 101 Owning with no status header 102 100 103 Listen-only with no status header 102 191 103 Input-only with no status header 102 190 103

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4 Introduction

Notes:

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Configuration

Chapter

2

About This Chapter

This chapter describes the various configuration options that you can use to set up assembly connections.

Configure the Connection

This connection is accepted with or without a configuration assembly present. If a configuration assembly is present, it must contain the following minimum information.

Minimal Adapter Configuration Assembly

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Config 0 Reserved (Set to 0) Config 1 Reserved (Set to 0) Config 2 Reserved (Set to 0) Config 3 Reserved (Set to 0) Config 4 Chassis size (Low Byte) Config 5 Chassis size (High Byte) Config 6 Alignment for Produced Assembly (T → O) Config 7 Size per slot (T→ O) (in Bytes) Config 8 Alignment for Consumed Assembly (O → T) Config 9 Size per slot (O → T) (in Bytes)

Chassis Size

Before establishing I/O connections, you must configure the 1734 adapters for chassis size. This ensures that the correct number of modules are present in the chassis at power up. The chassis size must include 1 count for the adapter (Chassis Size = number of I/O modules + 1).

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6 Configuration

TIP

Data Alignment

Some computing devices require data to be aligned on boundaries that are proper for their data type. There are several alignment options available to reduce or prevent shifting operations in the originator:

Byte Boundaries

Each node's I/O data is mapped at the next available byte. Byte data can appear at any address.

Word Boundaries

If a node's I/O data is one byte in length, it is mapped at the next available byte. Otherwise the previous data is padded so that the node's data starts on a 16-bit boundary.

This does not mean that every slot occupies two bytes in the image. Word data can only begin on even addresses, for example, 0, 2, 4, 8, 0xA, or 0xC.

Double Word Boundaries

If a node's I/O data is one byte in length, it is mapped at the next available byte. If a node's data is two bytes in length, padding is added to ensure that it is mapped to an even address. If a node's data is greater than 2 bytes in length, padding is added to ensure that the data is mapped to a Double Word boundary.

This does not mean that every slot occupies 4 bytes in the image. Double Word data and array data larger than 2 bytes in size must be aligned on addresses ending in 0, 4, 8, and 0xC.

Fixed Boundaries

The fixed boundary allows you to choose the fixed "size per slot" that each module occupies in the I/O data. Mapping size ranges from 1…24 bytes.

The alignment choices are independently selected for each direction; O → T and T

→ O. If Fixed Boundaries are selected, the Size per Slot choice

determines how many bytes are reserved for each slot in the I/O packet. If the size selected is larger than a module's data, that module's data is padded with 0's out to the size selected. If the size selected is smaller than a module's data, that module's data is truncated at the size selected.

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Configuration 7

When Fixed Boundaries are selected, the formula for mapping is: H+(N-1)(size per slot), where N = slot position and H is the size of the optional status header (8 if used, 0 if not used).

The choice of alignment is highly dependent on the originator used and application-specific requirements.

• If data size is at a premium, Byte alignment is the most efficient choice.

• If the originator can only process data on DINT boundaries (as is the case with RSLogix controllers), then Double Word alignment should be used.

• If ease of programming is desired, the Fixed Boundaries option allows for easy location of the data within the data packet. Additionally the use of Fixed Boundaries along with the 1734-ARM module will allow modules to be added later without having the location of any slot's data change. The ARM module will reserve data space for future modules. Since each slot occupies the same size in the data image, when the ARM module is replaced with a future module, the data boundaries are preserved.

Individual Module Configuration Options

The request for an Assembly connection is accepted with or without a configuration assembly present. If a configuration assembly is present, it must contain the minimum information presented in the Configuring the Connection section. See TableMinimal Adapter Configuration Assembly on page 5. If individual module configuration is required, it can be appended to the end of the minimum configuration structure for any or all modules that require configuration. The construction of this configuration data structure is a manual process.

Alternatively any tool that is capable of sending CIP packets can configure the parameters of individual POINT I/O modules. The configuration is stored locally in the module's non-volatile storage. When the configuration is sent from the connection originator via the connection request, the adapter also stores a copy of this configuration and restores it if that module is ever replaced. This is similar to the Automatic Device Replacement feature of DeviceNet scanners. If the configuration is sent from the connection originator via the connection request, the configuration assembly size is limited to the maximum packet size of 510 bytes. This may be an issue in larger systems that require module configuration. Configuring modules through a separate tool will allow the configuration to be sent to modules individually, effectively eliminating the packet size limitation. Furthermore, the configuration tool of choice may provide a rich graphical user interface, reducing the possibility that configuration is incorrectly entered. One such tool is RSNetWorx for DeviceNet.

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8 Configuration

Module Configuration Sent with the Connection Request

Individual module configuration must be manually constructed and appended to the minimal configuration assembly specified in the table Minimal Adapter Configuration Assembly on page 5. For each module that needs to be configured, the following information must be provided:

Module Configuration Information

Field Data Type Description

Slot number USINT The slot number to identify modules that require

configuration data.

Configuration size USINT The size, in bytes, of the Configuration Data for the

given module. It does not include the size of the first three fields shown here.

Configuration assembly instance

Configuration data Array of

UINT The adapter reads this field to access the module

configuration assembly’s instance number. The configuration assembly data as defined by the

BYTE

module's EDS file.

This structure may be repeated for as many modules as necessary until the whole assembly exceeds 509 bytes. The module order is not important as long as all module configuration follows the minimal header information from the table Minimal Adapter Configuration Assembly on page 5.

If any part of the configuration assembly is wrong (either the minimal assembly or a portion directed to an I/O module), the connection request will be rejected with the General Return Code indicating an Error in the Data Segment (0x09). The Extended Error code will indicate the byte offset into the configuration data segment where the error was detected. The Configuration assembly details for all of the 1734 and 1738 I/O modules are presented in Module Assembly Information on page 31.

Module Configuration with RSNetWorx for DeviceNet

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RSNetWorx for DeviceNet provides a rich parameter-based configuration user interface. The POINT I/O and ArmorPOINT I/O adapters have the capability to present their backplane as a DeviceNet subnet to RSLinx. The subnet can be used to bridge configuration data from RSNetWorx for DeviceNet to backplane devices. With this method, all configuration for a POINT I/O backplane can be stored to the DeviceNet network file (.DNT) and restored via this file if necessary.

Configuration 9

Cat # A

E N T

I B 8

I E 2 C

O B 4 E

Slot # 0 1 2 3

Module Tx size Rx size

IB8 1 – byte 0 OB4E 1 – byte 1 – byte IE2C 6

- int

- byte

0

Calculate the Connection Size

The I/O assembly size is limited to the maximum size that can be specified in the standard Forward_Open service (509 bytes). The size needs to be manually calculated based on the alignment choices, inclusion of the optional status header, and the I/O sizes for the modules present in the chassis. The adapter validates the connection size in the forward open against what it calculates from the backplane and the alignment choice. If the two do not match, the connection request is rejected with extended error code 0x0109, Invalid Connection Size.

Connection Size Calculation Example

The following system will be used to demonstrate the connection size calculation. The adapter's produced size (T optional status header is included. In some software the consumed size (O

→T) does not need to account for the 4 byte Run/Idle header as it is

assumed and already included. For the example both header sizes have been included.

POINT I/O system example

→ O) must include 8 bytes if the

T → O alignment T → O size O → T alignment O → T size

1 Byte 16 bytes Byte 5 bytes

status 8 bytes slot 1 byte slot 2 int slot 2 int slot 2 byte slot 2 byte slot 3 byte

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run /idle 4 bytes

slot 3 byte

10 Configuration

T → O alignment T → O size O → T alignment O → T size

2 Double Word 19 bytes Double Word 5 bytes

status 8 bytes slot 1 byte slot 1 pad slot 1 pad slot 1 pad slot 2 int slot 2 int slot 2 byte slot 2 byte slot 3 byte

3 6 bytes per slot 26 bytes 1 byte per slot 7 bytes

run / idle 4 bytes slot 3 byte

status 8 bytes slot 1 6 bytes slot 2 6 bytes slot 3 6 bytes

run /idle 4 bytes slot 1 byte slot 2 byte slot 3 byte

In row 1, the data is packed on byte boundaries. This is the most efficient data representation when alignment is not a concern.

In row 2 the data for slot 1 is padded so that slot 2's data began on a Double Word bound ary.

In row 3 every slot takes up the selected size per slot regardless of whether that module has any data to produce.

This section touches briefly on data alignment. More comprehensive examples of data alignment are provided in Assembly Structure Examples on page 23.

Troubleshooting Connection Size Errors

If the adapter returns the Invalid Connection Size error in response to a connection request, it is possible to query the adapter for its calculated size.

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This section highlights a technique that can be used to help resolve connection size errors.

The adapter cannot validate connection sizes until the request to open the connection is received. It is within that request that the adapter receives the alignment choice and status election. Based on all the information in the request and the modules present, the request may be rejected by the adapter because of a size error.

Configuration 11

1. Open the adapter's web page and select the Diagnostics folder.

2. On the Diagnostic Messaging tab, enter the Slot, Class, Instance, and

Attribute to get the adapter's calculated connection sizes.

Diagnostic Messaging Field Description

Field Description

Service Get Attribute Single Slot Position 0 Class 4

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12 Configuration

Diagnostic Messaging Field Description

Field Description

Instance 100 (O → T data)

101 (T → O data with status) 103 (T → O data without status)

Attribute 4 Response 8E 00 00 00 xx xx

8E 00 — Indicates message was processed successfully 00 00 — 0 = success. Non-zero indicates an error code

xx xx — Indicates size (Little Endian format)

(1)

in Little Endian format, the least significant byte is shown first. A returned value of A2 01 should be interpreted as 0x01A2 hex (418 decimal).

(1)

Once you have the sizes from the adapter, return to your calculations to resolve the differences between your expected size and the size from the adapter.

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Using an Assembly Connection

Chapter

3

Use an Assembly Connection with RSNetWorx for EtherNet/IP

This section provides an illustration of the steps needed to configure the Assembly connection using RSNetWorx for EtherNet/IP.

1. Browse the EtherNet/IP network.

2. Select the connection originator that will make the connection to the

1734-AENT. Right click that device and select Scanlist Configuration to launch the Scanlist Configuration tool.

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14 Using an Assembly Connection

3. Right click the targeted adapter and select Insert Connection to display the Connection Properties dialog.

4. On the Connection tab of this dialog, select the connection from the Connection Name pull-down (for example, Exclusive Owner and Listen-Only connections). Listen-Only connections are only accepted if an Exclusive Owner connection already exists.

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Using an Assembly Connection 15

TIP

You can also select the Requested Packet Interval and connection sizes. For a full discussion on connections sizes, refer to the Configuration Setting tab step that follows and Calculate the Connection Size. The defaults reflect an empty system (with the adapter only).

In RSNetWorx, the 4-byte Run/Idle header is not considered when calculating the Output Size. When you enter the connection size on this dialog, make sure to subtract 4 bytes from your calculated size. Also note that this dialog expresses the size in Words. If your calculation was performed in Bytes, you must divide by 2.

5. In the Details tab, you can select between Point to Point and Multicast

for the Target to Scanner data.

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16 Using an Assembly Connection

TIP

6. The Configuration Setting tab displays the configuration options for the connection. Here, you can specify the Chassis Size and Data Alignment. The terms T2O and O2T are abbreviations for Target to Originator and Originator to Target.

Use an Assembly Connection with RSLogix5000

Remember when specifying the Chassis Size to include 1 for the adapter.

See Data Alignment for alignment choices.

The Assembly connection can be used with RSLogix5000 and the Generic EtherNet/IP profile. When this connection is used in RSLogix5000, there are no intelligent Tags created for the adapter. All Input, Output, and Configuration data are in unstructured Tag arrays.

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Using an Assembly Connection 17

Add the Hardware to the I/O Configuration Tree

1. Add a new module to the Ethernet network in the I/O Configuration

section of the Controller Organizer pane.

2. Select a Generic Ethernet Module.

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18 Using an Assembly Connection

Enter the Connection Parameters

In the New Module Properties dialog, enter Connection Parameters, the Comm Format, the module's IP Address, and a name.

Enter a Name for the module that RSLogix 5000 uses in the tags that are created for this module. The Data - SINT Comm Format should be selected, indicating that all sizes are to be interpreted as a number of bytes. If this connection is a Listen only connection, select the Input Data - SINT Comm Format since it is otherwise not possible to enter an Output config assembly size of 0.

Next, enter the Assembly Instances for the desired connection as described in Connection Points. Enter the sizes (in bytes) for the Input and Output instances per your calculations. See Calculate the Connection Size for details on obtaining the sizes. If the optional status header is being used, its size (8 bytes) must be included in the Input Size. For RSLogix 5000 the Output Size does not include the Run/Idle header. Here the terms Input and Output refer to the adapter's Produced and Consumed data respectively.

It is possible to make the connection without sending any configuration data. The adapter's Chassis Size can be set from its web page and the adapter will align produced and consumed data by default on byte boundaries. If these options and the default configuration of all I/O modules are acceptable, a 0 can be entered for the Configuration Size on the Module Properties dialog. The configuration Assembly Instance must be entered even if the size is 0. The following section will describe the steps taken when configuration is needed.

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Build the Configuration Tag

If any configuration is required, the minimum configuration header must be sent and then any individual module configuration may follow. Open the

Using an Assembly Connection 19

Controller Tags by right-clicking the Controller Tags option from the Controller Organizer pane. Select Monitor Tags.

Monitor Tags

You should see three Tags with the module's name. They will have an C, I, or O suffix denoting Configuration, Input, or Output respectively. Note that the I and O Tags are sized according to the sizes that were entered on the properties page. The C Tag always has 400 bytes allocated for it regardless of the size specified.

Add Configuration Header

Bytes 0…9 must contain the minimum configuration header information described in Minimal Adapter Configuration Assembly. As can be seen from the figure below, the Chassis Size is set to 0x12 (18 decimal). The produced

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20 Using an Assembly Connection

and consumed alignment choice is Double Word alignment which is enumerated as a 4. See the following table for valid alignment values.

Alignment choices for configuration header

Alignment Choice Value

Byte 0 Word 2 Double Word 4 Fixed size per slot 0xFF

Add I/O Module Configuration

If individual module configuration is required, it can be appended to the configuration header. In the example shown below a 1734-OB4E module is being configured. Byte 10 indicates that the data is to be sent to slot 2. Byte 11 specifies the size of the data as 8 bytes. Bytes 12 and 13 specify the OB4E module configuration assembly instance 0x7B. The instance number is entered in little endian (least significant byte first). In byte 16 the value of 7 indicates that when the module is in Idle mode, Hold Last State should be enabled for channels 0, 1, and 2 but not channel 3. If more module configuration is needed, it could begin at byte 22 with the slot number of the next module to be configured.

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Using an Assembly Connection 21

For more information on configuration, see 1734/1738 I/O Module Assembly Information.

After the configuration has been entered into the tag, remember to save the RSLogix 5000 project. The tags are only retained upon a save. Also remember that any configuration added here must be reflected in the Configuration Size of the Connection Parameters entered on the Module Properties dialog.

If any part of the configuration assembly is wrong (either the minimal assembly or a portion directed to an I/O module), the connection request will be rejected with the General Return Code indicating an Error in the Data Segment (0x09). The Extended Error code will indicate the byte offset into the configuration data segment where the error was detected.

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22 Using an Assembly Connection

The error shown above was created by entering an invalid configuration assembly size on the Module Properties page. A size of 18 bytes was entered. The error here points to an offset of 0x000b (11 decimal). If we return to the configuration tag, byte 0x000b is the location that contains the size of the I/O module configuration. The header is 10 bytes and the module has 8 bytes of configuration. However, we have neglected to add the 4 bytes of overhead needed to describe the slot 2 configuration. When the adapter parsed the configuration assembly to byte 0x000b it saw that it needed 8 more bytes of information. It had already parsed through byte 11, therefore 18 would not be an adequate size. The adapter returns the offset of the first byte where the error is detected (0x000b).

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Assembly Structure

Chapter

4

Assembly Structure Examples

Produced Assembly, Byte Aligned

Byte, Word, and Double Word Alignment

The following chassis is used to demonstrate how the data is aligned for the Byte, Word, and Double Word alignment options. This chassis was intentionally assembled as shown to demonstrate as many use cases as possible. Discrete and analog modules are intermixed. An ARM module is used to reserve space for a future device. The 1734-IB4D module in slot 8 is configured to produce 2 bytes while the IB4D module in slot 7 is configured to produce 1 byte. The ASCII module in slot 10 is configured to produce 9 bytes.

Example POINT system

A

O W 4

I B 4

3

I

Cat # A

B

E

4

N T

Slot # 0 1234567891011121

I

B

8

2

O

S

R

E

B

C

M

2

4

8

4

2

C

D

E

I

O

Byte Bit 7 Bit 6 Bit5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Produce 0 Slot 7 status Slot 6 status Slot 5 status Slot 4 status Slot 3 status Slot 2 status Slot1 status Slot 0 status Produce 1 Slot 15 status Slot 14 status Slot 13 status Slot 12 status Slot 11 status Slot 10 status Slot 9 status Slot 8 status Produce 2 Slot 23 status Slot 22 status Slot 21 status Slot 20 status Slot 19 status Slot 18 status Slot 17 status Slot 16 status Produce 3 Slot 31 status Slot 30 status Slot 29 status Slot 28 status Slot 27 status Slot 26 status Slot 25 status Slot 24 status Produce 4 Slot 39 status Slot 38 status Slot 37 status Slot 36 status Slot 35 status Slot 34 status Slot 33 status Slot 32 status Produce 5 Slot 47 status Slot 46 status Slot 45 status Slot 44 status Slot 43 status Slot 42 status Slot 41 status Slot 40 status Produce 6 Slot 55 status Slot 54 status Slot 53 status Slot 52 status Slot 51 status Slot 50 status Slot 49 status Slot 48 status Produce 7 Slot 63 status Slot 62 status Slot 61 status Slot 60 status Slot 59 status Slot 58 status Slot 57 status Slot 56 status Produce 8 Reserved Slot 1 Bit 3 Slot 1 Bit 2 Slot 1 Bit 1 Slot 1 Bit 0 Produce 9 Slot 2 Bit 7 Slot 2 Bit 6 Slot 2 Bit 5 Slot 2 Bit 4 Slot 2 Bit 3 Slot 2 Bit 2 Slot 2 Bit 1 Slot 2 Bit 0 Produce 10 Reserved Slot 3 Bit 1 Slot 3 Bit 0 Produce 11 Reserved Slot 4 Bit 1 Slot 4 Bit 0 Produce 12 Reserved Slot 5 Bit 3 Slot 5 Bit 2 Slot 5 Bit 1 Slot 5 Bit 0 Produce 13 Slot 6 Bit 7 Slot 6 Bit 6 Slot 6 Bit 6 Slot 6 Bit 4 Slot 6 Bit 3 Slot 6 Bit 2 Slot 6 Bit 1 Slot 6 Bit 0 Produce 14 Slot 7 Bit 7 Slot 7 Bit 6 Slot 7 Bit 5 Slot 7 Bit 4 Slot 7 Bit 3 Slot 7 Bit 2 Slot 7 Bit 1 Slot 7 Bit 0

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24 Assembly Structure

Produced Assembly, Byte Aligned

Byte Bit 7 Bit 6 Bit5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Produce 15 Slot 8 Bit 7 Slot 8 Bit 6 Slot 8 Bit 5 Slot 8 Bit 4 Slot 8 Bit 3 Slot 8 Bit 2 Slot 8 Bit 1 Slot 8 Bit 0 Produce 16 Slot 8 Bit 15 Slot 8 Bit 14 Slot 8 Bit 13 Slot 8 Bit 12 Slot 8 Bit 11 Slot 8 Bit 10 Slot 8 Bit 9 Slot 8 Bit 8 Produce 17 Slot 9 Channel 0 - Low Byte Produce 18 Slot 9 Channel 0 - High Byte Produce 19 Slot 9 Channel 1 - Low Byte Produce 20 Slot 9 Channel 1 - High Byte Produce 21 Slot 9 Channel 0 - Status Produce 22 Slot 9 Channel 1 - Status Produce 23 Slot 10 ASCII Data 1 Produce 24 Slot 10 ASCII Data 2 Produce 25 Slot 10 ASCII Data 3 Produce 26 Slot 10 ASCII Data 4 Produce 27 Slot 10 ASCII Data 5 Produce 28 Slot 10 ASCII Data 6 Produce 29 Slot 10 ASCII Data 7 Produce 30 Slot 10 ASCII Data 8 Produce 31 Slot 10 ASCII Data End of String Delimiter Produce 32 Slot 11 ARM - Reserved Byte Produce 33 Reserved Slot 13 Bit 3 Slot 13 Bit 2 Slot 13 Bit 1 Slot 13 Bit 0

Consumed Assembly, Byte Aligned

Byte Bit 7 Bit 6 Bit5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Consume 0 Reserved Run/Idle Consume 1 Reserved Consume 2 Reserved Consume 3 Reserved Consume 4 Reserved Slot 4 Bit 1 Slot 4 Bit 0 Consume 5 Reserved Slot 5 Bit 3 Slot 5 Bit 2 Slot 5 Bit 1 Slot 5 Bit 0 Consume 6 Slot 6 Bit 7 Slot 6 Bit 6 Slot 6 Bit 5 Slot 6 Bit 4 Slot 6 Bit 3 Slot 6 Bit 2 Slot 6 Bit 1 Slot 6 Bit 0 Consume 7 Slot 10 ASCII Data 1 Consume 8 Slot 10 ASCII Data 2 Consume 9 Slot 10 ASCII Data 3 Consume 10 Slot 10 ASCII Data 4 Consume 11 Slot 10 ASCII Data 5 Consume 12 Slot 10 ASCII Data End of String Delimiter Consume 13 Reserved Slot 12 Bit 3 Slot 12 Bit 2 Slot 12 Bit 1 Slot 12 Bit 0

Publication 1734-UM016A-EN-P - October 2010

Assembly Structure 25

Produced Assembly, Word Aligned

Byte Bit 7 Bit 6 Bit5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Produce 0 Slot 7 status Slot 6 status Slot 5 status Slot 4 status Slot 3 status Slot 2 status Slot1 status Slot 0 status Produce 1 Slot 15 status Slot 14 status Slot 13 status Slot 12 status Slot 11 status Slot 10 status Slot 9 status Slot 8 status Produce 2 Slot 23 status Slot 22 status Slot 21 status Slot 20 status Slot 19 status Slot 18 status Slot 17 status Slot 16 status Produce 3 Slot 31 status Slot 30 status Slot 29 status Slot 28 status Slot 27 status Slot 26 status Slot 25 status Slot 24 status Produce 4 Slot 39 status Slot 38 status Slot 37 status Slot 36 status Slot 35 status Slot 34 status Slot 33 status Slot 32 status Produce 5 Slot 47 status Slot 46 status Slot 45 status Slot 44 status Slot 43 status Slot 42 status Slot 41 status Slot 40 status Produce 6 Slot 55 status Slot 54 status Slot 53 status Slot 52 status Slot 51 status Slot 50 status Slot 49 status Slot 48 status Produce 7 Slot 63 status Slot 62 status Slot 61 status Slot 60 status Slot 59 status Slot 58 status Slot 57 status Slot 56 status Produce 8 Reserved Slot 1 Bit 3 Slot 1 Bit 2 Slot 1 Bit 1 Slot 1 Bit 0 Produce 9 Slot 2 Bit 7 Slot 2 Bit 6 Slot 2 Bit 5 Slot 2 Bit 4 Slot 2 Bit 3 Slot 2 Bit 2 Slot 2 Bit 1 Slot 2 Bit 0 Produce 10 Reserved Slot 3 Bit 1 Slot 3 Bit 0 Produce 11 Reserved Slot 4 Bit 1 Slot 4 Bit 0 Produce 12 Reserved Slot 5 Bit 3 Slot 5 Bit 2 Slot 5 Bit 1 Slot 5 Bit 0 Produce 13 Slot 6 Bit 7 Slot 6 Bit 6 Slot 6 Bit 6 Slot 6 Bit 4 Slot 6 Bit 3 Slot 6 Bit 2 Slot 6 Bit 1 Slot 6 Bit 0 Produce 14 Slot 7 Bit 7 Slot 7 Bit 6 Slot 7 Bit 5 Slot 7 Bit 4 Slot 7 Bit 3 Slot 7 Bit 2 Slot 7 Bit 1 Slot 7 Bit 0 Produce 15 Pad Produce 16 Slot 8 Bit 7 Slot 8 Bit 6 Slot 8 Bit 5 Slot 8 Bit 4 Slot 8 Bit 3 Slot 8 Bit 2 Slot 8 Bit 1 Slot 8 Bit 0 Produce 17 Slot 8 Bit 15 Slot 8 Bit 14 Slot 8 Bit 13 Slot 8 Bit 12 Slot 8 Bit 11 Slot 8 Bit 10 Slot 8 Bit 9 Slot 8 Bit 8 Produce 18 Slot 9 Channel 0 - Low Byte Produce 19 Slot 9 Channel 0 - High Byte Produce 20 Slot 9 Channel 1 - Low Byte Produce 21 Slot 9 Channel 1 - High Byte Produce 22 Slot 9 Channel 0 - Status Produce 23 Slot 9 Channel 1 - Status Produce 24 Slot 10 ASCII Data 1 Produce 25 Slot 10 ASCII Data 2 Produce 26 Slot 10 ASCII Data 3 Produce 27 Slot 10 ASCII Data 4 Produce 28 Slot 10 ASCII Data 5 Produce 29 Slot 10 ASCII Data 6 Produce 30 Slot 10 ASCII Data 7 Produce 31 Slot 10 ASCII Data 8 Produce 32 Slot 10 ASCII Data End of String Delimiter Produce 33 Slot 11 ARM - Reserved Byte Produce 34 Reserved Slot 13 Bit 3 Slot 13 Bit 2 Slot 13 Bit 1 Slot 13 Bit 0

Publication 1734-UM016A-EN-P - October 2010

26 Assembly Structure

Consumed Assembly, Word Aligned

Byte Bit 7 Bit 6 Bit5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Consume 0 Reserved Run/Idle Consume 1 Reserved Consume 2 Reserved Consume 3 Reserved Consume 4 Reserved Slot 4 Bit 1 Slot 4 Bit 0 Consume 5 Reserved Slot 5 Bit 3 Slot 5 Bit 2 Slot 5 Bit 1 Slot 5 Bit 0 Consume 6 Slot 6 Bit 7 Slot 6 Bit 6 Slot 6 Bit 5 Slot 6 Bit 4 Slot 6 Bit 3 Slot 6 Bit 2 Slot 6 Bit 1 Slot 6 Bit 0 Consume 7 Pad Consume 8 Slot 10 ASCII Data 1 Consume 9 Slot 10 ASCII Data 2 Consume 10 Slot 10 ASCII Data 3 Consume 11 Slot 10 ASCII Data 4 Consume 12 Slot 10 ASCII Data 5 Consume 13 Slot 10 ASCII Data End of String Delimiter Consume 14 Reserved Slot 12 Bit 3 Slot 12 Bit 2 Slot 12 Bit 1 Slot 12 Bit 0

Produced Assembly, Double Word Aligned

Byte Bit 7 Bit 6 Bit5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Produce 0 Slot 7 status Slot 6 status Slot 5 status Slot 4 status Slot 3 status Slot 2 status Slot1 status Slot 0 status Produce 1 Slot 15 status Slot 14 status Slot 13 status Slot 12 status Slot 11 status Slot 10 status Slot 9 status Slot 8 status Produce 2 Slot 23 status Slot 22 status Slot 21 status Slot 20 status Slot 19 status Slot 18 status Slot 17 status Slot 16 status Produce 3 Slot 31 status Slot 30 status Slot 29 status Slot 28 status Slot 27 status Slot 26 status Slot 25 status Slot 24 status Produce 4 Slot 39 status Slot 38 status Slot 37 status Slot 36 status Slot 35 status Slot 34 status Slot 33 status Slot 32 status Produce 5 Slot 47 status Slot 46 status Slot 45 status Slot 44 status Slot 43 status Slot 42 status Slot 41 status Slot 40 status Produce 6 Slot 55 status Slot 54 status Slot 53 status Slot 52 status Slot 51 status Slot 50 status Slot 49 status Slot 48 status Produce 7 Slot 63 status Slot 62 status Slot 61 status Slot 60 status Slot 59 status Slot 58 status Slot 57 status Slot 56 status Produce 8 Reserved Slot 1 Bit 3 Slot 1 Bit 2 Slot 1 Bit 1 Slot 1 Bit 0 Produce 9 Slot 2 Bit 7 Slot 2 Bit 6 Slot 2 Bit 5 Slot 2 Bit 4 Slot 2 Bit 3 Slot 2 Bit 2 Slot 2 Bit 1 Slot 2 Bit 0 Produce 10 Reserved Slot 3 Bit 1 Slot 3 Bit 0 Produce 11 Reserved Slot 4 Bit 1 Slot 4 Bit 0 Produce 12 Reserved Slot 5 Bit 3 Slot 5 Bit 2 Slot 5 Bit 1 Slot 5 Bit 0 Produce 13 Slot 6 Bit 7 Slot 6 Bit 6 Slot 6 Bit 6 Slot 6 Bit 4 Slot 6 Bit 3 Slot 6 Bit 2 Slot 6 Bit 1 Slot 6 Bit 0 Produce 14 Slot 7 Bit 7 Slot 7 Bit 6 Slot 7 Bit 5 Slot 7 Bit 4 Slot 7 Bit 3 Slot 7 Bit 2 Slot 7 Bit 1 Slot 7 Bit 0 Produce 15 Pad Produce 16 Slot 8 Bit 7 Slot 8 Bit 6 Slot 8 Bit 5 Slot 8 Bit 4 Slot 8 Bit 3 Slot 8 Bit 2 Slot 8 Bit 1 Slot 8 Bit 0

Publication 1734-UM016A-EN-P - October 2010

Assembly Structure 27

Produced Assembly, Double Word Aligned

Byte Bit 7 Bit 6 Bit5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Produce 17 Slot 8 Bit 15 Slot 8 Bit 14 Slot 8 Bit 13 Slot 8 Bit 12 Slot 8 Bit 11 Slot 8 Bit 10 Slot 8 Bit 9 Slot 8 Bit 8 Produce 18 Pad Produce 19 Pad Produce 20 Slot 9 Channel 0 - Low Byte Produce 21 Slot 9 Channel 0 - High Byte Produce 22 Slot 9 Channel 1 - Low Byte Produce 23 Slot 9 Channel 1 - High Byte Produce 24 Slot 9 Channel 0 - Status Produce 25 Slot 9 Channel 1 - Status Produce 26 Pad Produce 27 Pad Produce 28 Slot 10 ASCII Data 1 Produce 29 Slot 10 ASCII Data 2 Produce 30 Slot 10 ASCII Data 3 Produce 31 Slot 10 ASCII Data 4 Produce 32 Slot 10 ASCII Data 5 Produce 33 Slot 10 ASCII Data 6 Produce 34 Slot 10 ASCII Data 7 Produce 35 Slot 10 ASCII Data 8 Produce 36 Slot 10 ASCII Data End of String Delimiter Produce 37 Slot 11 ARM - Reserved Byte Produce 38 Reserved Slot 13 Bit 3 Slot 13 Bit 2 Slot 13 Bit 1 Slot 13 Bit 0

Consumed Assembly, Double Word Aligned

Byte Bit 7 Bit 6 Bit5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Consume 0 Reserved Run/Idle Consume 1 Reserved Consume 2 Reserved Consume 3 Reserved Consume 4 Reserved Slot 4 Bit 1 Slot 4 Bit 0 Consume 5 Reserved Slot 5 Bit 3 Slot 5 Bit 2 Slot 5 Bit 1 Slot 5 Bit 0 Consume 6 Slot 6 Bit 7 Slot 6 Bit 6 Slot 6 Bit 5 Slot 6 Bit 4 Slot 6 Bit 3 Slot 6 Bit 2 Slot 6 Bit 1 Slot 6 Bit 0 Consume 7 Pad Consume 8 Slot 10 ASCII Data 1 Consume 9 Slot 10 ASCII Data 2 Consume 10 Slot 10 ASCII Data 3

Publication 1734-UM016A-EN-P - October 2010

28 Assembly Structure

Consumed Assembly, Double Word Aligned

Byte Bit 7 Bit 6 Bit5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Consume 11 Slot 10 ASCII Data 4 Consume 12 Slot 10 ASCII Data 5 Consume 13 Slot 10 ASCII Data End of String Delimiter Consume 14 Reserved Slot 12 Bit 3 Slot 12 Bit 2 Slot 12 Bit 1 Slot 12 Bit 0

Fixed Size per Slot Alignment

The following chassis is used to demonstrate how the Fixed Size per Slot alignment option might be used. This chassis is built to show a machine that sometimes uses 5 analog modules, but usually only needs 3 modules. In order to maintain data structure consistency (and therefore the same control logic), Fixed Size per Slot alignment of 6 bytes is used and the unused slots are populated with Address Reserve Modules.

Example POINT system with unused slots

A

I

Cat # A

Slot # 012345678

Produced Assembly, Fixed Size per Slot Alignment

Byte Bit 7 Bit 6 Bit5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Produce 0 Slot 7 status Slot 6 status Slot 5 status Slot 4 status Slot 3 status Slot 2 status Slot1 status Slot 0 status Produce 1 Slot 15 status Slot 14 status Slot 13 status Slot 12 status Slot 11 status Slot 10 status Slot 9 status Slot 8 status Produce 2 Slot 23 status Slot 22 status Slot 21 status Slot 20 status Slot 19 status Slot 18 status Slot 17 status Slot 16 status Produce 3 Slot 31 status Slot 30 status Slot 29 status Slot 28 status Slot 27 status Slot 26 status Slot 25 status Slot 24 status Produce 4 Slot 39 status Slot 38 status Slot 37 status Slot 36 status Slot 35 status Slot 34 status Slot 33 status Slot 32 status Produce 5 Slot 47 status Slot 46 status Slot 45 status Slot 44 status Slot 43 status Slot 42 status Slot 41 status Slot 40 status Produce 6 Slot 55 status Slot 54 status Slot 53 status Slot 52 status Slot 51 status Slot 50 status Slot 49 status Slot 48 status Produce 7 Slot 63 status Slot 62 status Slot 61 status Slot 60 status Slot 59 status Slot 58 status Slot 57 status Slot 56 status Produce 8 Slot 1 Channel 0 - Low Byte Produce 9 Slot 1 Channel 0 - High Byte Produce 10 Slot 1 Channel 1 - Low Byte Produce 11 Slot 1 Channel 1 - High Byte Produce 12 Slot 1 Channel 0 - Status Produce 13 Slot 1 Channel 1 - Status

I

R

R M

B 4

E

M

2

N

C

T

I

B

4

Publication 1734-UM016A-EN-P - October 2010

Assembly Structure 29

Produced Assembly, Fixed Size per Slot Alignment

Byte Bit 7 Bit 6 Bit5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Produce 14 Slot 2 Channel 0 - Low Byte Produce 15 Slot 2 Channel 0 - High Byte Produce 16 Slot 2 Channel 1 - Low Byte Produce 17 Slot 2 Channel 1 - High Byte Produce 18 Slot 2 Channel 0 - Status Produce 19 Slot 2 Channel 1 - Status Produce 20 Slot 3 Channel 0 - Low Byte Produce 21 Slot 3 Channel 0 - High Byte Produce 22 Slot 3 Channel 1 - Low Byte Produce 23 Slot 3 Channel 1 - High Byte Produce 24 Slot 3 Channel 0 - Status Produce 25 Slot 3 Channel 1 - Status Produce 26 Slot 4 ARM - Reserved Byte Produce 27 Slot 4 ARM - Reserved Byte Produce 28 Slot 4 ARM - Reserved Byte Produce 29 Slot 4 ARM - Reserved Byte Produce 30 Slot 4 ARM - Reserved Byte Produce 31 Slot 4 ARM - Reserved Byte Produce 32 Slot 5 ARM - Reserved Byte Produce 33 Slot 5 ARM - Reserved Byte Produce 34 Slot 5 ARM - Reserved Byte Produce 35 Slot 5 ARM - Reserved Byte Produce 36 Slot 5 ARM - Reserved Byte Produce 37 Slot 5 ARM - Reserved Byte Produce 38 Reserved Slot 6 Bit 3 Slot 6 Bit 2 Slot 6 Bit 1 Slot 6 Bit 0 Produce 39 Pad Produce 40 Pad Produce 41 Pad Produce 42 Pad Produce 43 Pad Produce 44 Slot 7 Bit 3 Slot 7 Bit 2 Slot 7 Bit 1 Slot 7 Bit 0 Produce 45 Pad Produce 46 Pad Produce 47 Pad Produce 48 Pad Produce 49 Pad Produce 50 Slot 8 Bit 3 Slot 8 Bit 2 Slot 8 Bit 1 Slot 8 Bit 0 Produce 51 Pad

Publication 1734-UM016A-EN-P - October 2010

30 Assembly Structure

Produced Assembly, Fixed Size per Slot Alignment

Byte Bit 7 Bit 6 Bit5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Produce 52 Pad Produce 53 Pad Produce 54 Pad Produce 55 Pad

Publication 1734-UM016A-EN-P - October 2010

Chapter

5

1734/1738 I/O Module Assembly Information

Module Assembly

Discrete Modules

Information

POINT I/O and ArmorPOINT I/O Discrete I/O modules

Cat. No Description Configuration

Assembly Instance

1734-IB2 1738-IB2

1734-IB4 1738-IB4

1734-IB4D 1738-IB4D

1734-IB8 1738-IB8

1734-IV2 2 point DC source input 103 8 1 0 1734-IV4

1738-IV4 1734-IV8

1738-IV8 1734-OB2E

1738-OB2E

2 point DC sink input 103 8 1 0

4 point DC sink input 103 16 1 0

2 point DC sink input with diagnostics 103 18 2,1 0

8 point DC sink input 103 32 1 0

4 point DC source input 103 16 1 0

8 point DC source input 103 32 1 0

2 point DC source output 123 8 1 1

Configuration Size

Produced Size Consumed Size

1734-OB4E 1738-OB4E

1734-OB2 2 point DC source output 123 8

1734-OB4 4 point DC source output 123 8 1 1 1734-OB8 8 point DC source output 123 8 1 1 1734-OB8E

1738-OB8E 1734-OW2 2 point relay output 103 4 0 1 1734-OW4

1738-OW4 1734-OV2E 2 point 24V DC sink output 123 8 1 1 1734-OV4E

1738-OV4E 1734-OV8E 8 point 24V DC sink output 123 8 1 1 1734-OX2 2 point Form C Relay output 103 4 0 1

31 Publication 1734-UM016A-EN-P - October 2010

4 point DC source output 123 8 1 1

(1)

1

8 point DC source output 123 8 1 1

4 point relay output 103 4 0 1

4 point 24V DC sink output 123 8 1 1

1

32 1734/1738 I/O Module Assembly Information

POINT I/O and ArmorPOINT I/O Discrete I/O modules

Cat. No Description Configuration

Assembly

Configuration Size

Produced Size Consumed Size

Instance

1734-OB2EP

2 point 24V DC 2A Protected output 123 8 1 1

1738-OB2EP 1734-IA2

2 point 120V AC input 103 8 1 0

1738-IA2 1734-IA4 4 point 120V AC input 103 16 1 0 1734-IM2 2 point 220V AC input 103 8 1 0 1734-IM4 4 point 220V AC input 103 16 1 0 1734-OA2

2 point 120V/220V AC output 103 4 0 1

1738-OA2 1734-OA4 4-channel 120V/220V AC output 103 4 0 1 1738-IB16 16 point 24V DC sink input 103 6 2,3 0 1738-OB16 16 point 24V DC source input 123 2 1 2 1734-8CFG

1738-8CFG

(1)

While these modules (OB2, OB4, and OB8) have no meaningful data, they return a byte of 0 to be compatible with the "E" modules. In this manner they can be interchanged. Also these modules expect the same 8-byte configuration assembly even though only the first 4 bytes are meaningful.

8 point 24V DC configurable sink input/source output

103 8 1 1

Analog and Specialty I/O Modules

POINT and ArmorPOINT Analog and Specialty I/O modules

Cat. No Description Configuration

Assembly Instance

1734-VHSC5 1 point 5V, 2 out very high speed counter 108 54 6 2,2,4 1734-VHSC24

1 point 24V, 2 out very high speed counter 108 54 6 2,2,4

1738-VHSC24 1734-IJ

1 point 5V counter 123 18 6 1

1738-IJ 1734-IK 1 point 24V counter 123 18 6 1 1734-IE2C

2 point analog current input 123 38 6 0

1738-IE2C 1734-IE4C

4 point analog current input 123 74 12 0

1738-IE4C 1734-IE8C 8 point analog current input 123 146 24 0 1734-OE2C

2 point analog current output 123 36 2 4

1738-OE2C

Configuration Size

Produced Size Consumed Size

Publication 1734-UM016A-EN-P - October 2010

POINT and ArmorPOINT Analog and Specialty I/O modules

1734/1738 I/O Module Assembly Information 33

Cat. No Description Configuration

Assembly Instance

1734-OE4C 1738-OE4C

1734-IT21 1738-IT21

1734-IR2 1738-IR2

1734-IR2E 2 point enhanced RTD input 123 38 6 0 1734-IE2V

1738-IE2V 1734-OE2V

1738-OE2V 1734-SSI

1738-SSI 1734-232ASC

1738-232ASC 1734-485ASC

1738-485ASC 1734-ARM Address reserve N/A 0 1 0

4 point analog current output 123 72 4 8

2 point thermocouple input 103 46 8 0

2 channel, 2point RTD input 123 38 6 0

2 point analog voltage input 123 38 6 0

2 point analog voltage output 123 36 2 4

POINT I/O synchronous serial interface

POINT I/O RS232 ASCII interface

POINT I/O RS485 ASCII interface

123 26 10 2

103 18 4…132

Configuration Size

Produced Size Consumed Size

default = 24

4…132 default = 24

Data Format

The POINT I/O products specify multi-byte data values in little endian format. The term little endian refers to the ordering method in which:

• The least significant byte of a data item is ordered first.

• The most significant byte of a data item is ordered last

• All bytes in between are ordered sequentially, from least significant byte to most significant byte.

Layout for 16 bit numbers:

TagName[Low Byte] TabName[High Byte]

Layout for 32 bit numbers:

TagName[Low Byte] TagName

Publication 1734-UM016A-EN-P - October 2010

34 1734/1738 I/O Module Assembly Information

TagName TabName[High Byte]

Layout for Array data:

TagName[0] TagName[1] TagName[2] : : TabName[N]

Module Specific Details

Two-channel Discrete Input Modules

All two-channel discrete input modules use the same configuration and input assemblies. Use the tables shown below for the following modules:

• 1734-IB2 or 1738-IB2

• 1734-IV2 or 1738-IV2

• 1734-IA2 or 1738-IA2

• 1734-IM2 or 1738-IM2

Configuration Assembly Instance 103

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Input 0 Off to On Filter Low Byte 1 Input 0 Off to On Filter High Byte 2 Input 0 On to Off Filter Low Byte 3 Input 0 On to Off Filter High Byte 4 Input 1 Off to On Filter Low Byte 5 Input 1 Off to On Filter High Byte 6 Input 1 On to Off Filter Low Byte

Publication 1734-UM016A-EN-P - October 2010

7 Input 1 On to Off Filter High Byte

Produced Input Data Assembly 2

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Reserved Ch 1 Ch 0

1734/1738 I/O Module Assembly Information 35

Four-channel Discrete Input Modules

All four channel discrete input modules use the same configuration and input assemblies. Use the tables shown below for the following modules:

• 1734-IB4 or 1738-IB4

• 1734-IV4 or 1738-IV4

• 1734-IA4 or 1738-IA4

• 1734-IM4 or 1738-IM4

Configuration Assembly Instance 103

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Input 0 Off to On Filter Low Byte 1 Input 0 Off to On Filter High Byte 2 Input 0 On to Off Filter Low Byte 3 Input 0 On to Off Filter High Byte 4 Input 1 Off to On Filter Low Byte 5 Input 1 Off to On Filter High Byte 6 Input 1 On to Off Filter Low Byte 7 Input 1 On to Off Filter High Byte 8 Input 2 Off to On Filter Low Byte 9 Input 2 Off to On Filter High Byte 10 Input 2 On to Off Filter Low Byte 11 Input 2 On to Off Filter High Byte 12 Input 3 Off to On Filter Low Byte 13 Input 3 Off to On Filter High Byte 14 Input 3 On to Off Filter Low Byte 15 Input 3 On to Off Filter High Byte

Produced Input Data Assembly 3

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Reserved Ch 3 Ch 2 Ch 1 Ch 0

Eight-channel Discrete Input Modules

All eight-channel discrete input modules use the same configuration and input assemblies. Use the tables shown below for the following modules:

Publication 1734-UM016A-EN-P - October 2010

36 1734/1738 I/O Module Assembly Information

• 1734-IB8 or 1738-IB8

• 1734-IV8 or 1738-IV8

Configuration Assembly Instance 103

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Input 0 Off to On Filter Low Byte 1 Input 0 Off to On Filter High Byte 2 Input 0 On to Off Filter Low Byte 3 Input 0 On to Off Filter High Byte 4 Input 1 Off to On Filter Low Byte 5 Input 1 Off to On Filter High Byte 6 Input 1 On to Off Filter Low Byte 7 Input 1 On to Off Filter High Byte 8 Input 2 Off to On Filter Low Byte 9 Input 2 Off to On Filter High Byte 10 Input 2 On to Off Filter Low Byte 11 Input 2 On to Off Filter High Byte 12 Input 3 Off to On Filter Low Byte 13 Input 3 Off to On Filter High Byte 14 Input 3 On to Off Filter Low Byte 15 Input 3 On to Off Filter High Byte 16 Input 4 Off to On Filter Low Byte 17 Input 4 Off to On Filter High Byte 18 Input 4 On to Off Filter Low Byte 19 Input 4 On to Off Filter High Byte 20 Input 5 Off to On Filter Low Byte 21 Input 5 Off to On Filter High Byte 22 Input 5 On to Off Filter Low Byte 23 Input 5 On to Off Filter High Byte 24 Input 6 Off to On Filter Low Byte 25 Input 6 Off to On Filter High Byte 26 Input 6 On to Off Filter Low Byte 27 Input 6 On to Off Filter High Byte 28 Input 7 Off to On Filter Low Byte 29 Input 7 Off to On Filter High Byte

Publication 1734-UM016A-EN-P - October 2010

30 Input 7 On to Off Filter Low Byte 31 Input 7 On to Off Filter High Byte

Configuration Assembly Instance 123

1734/1738 I/O Module Assembly Information 37

Produced Input Data Assembly 4

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Ch 7 Ch 6 Ch 5 Ch 4 Ch 3 Ch 2 Ch 1 Ch 0

Two-channel Discrete Output Modules with Status

All two-channel "enhanced" discrete output modules use the same configuration and I/O assemblies. Use the tables shown below for the following modules:

• 1734-OB2E or 1738-OB2E

• 1734-OV2E or 1738-0V2E

• 1734-OB2EP or 1738-OB2EP

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Reserved Fault State 1 Fault State 0 1 Reserved Fault Value 1 Fault Value 0 2 Reserved Idle State 1 Idle State 0 3 Reserved Idle Value 1 Idle Value 0 4 Reserved Enable No Load 1 Enable No Load 0 5 Reserved Reset mode 1 Reset mode 0 6 Reserved Enable Latched Alarms 1 Enable Latched Alarms 0 7 Pad

Produced Input Data Assembly 42

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Reserved Ch 1

Status

Consumed Output Data Assembly 32

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Reserved Ch 1 Ch 0

Ch 0 Status

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38 1734/1738 I/O Module Assembly Information

Two-channel Discrete Output Modules

Use the tables shown below for the following modules:

• 1734-OB2 or 1738-OB2

Configuration Assembly Instance 123

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Reserved Fault State 1 Fault State 0 1 Reserved Fault Value 1 Fault Value 0 2 Reserved Idle State 1 Idle State 0 3 Reserved Idle Value 1 Idle Value 0 4 Reserved (Set to 0) 5 Reserved (Set to 0) 6 Reserved (Set to 0) 7 Pad

Produced Input Data Assembly 42

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Reserved

Consumed Output Data Assembly 32

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Reserved Ch 1 Ch 0

Four-channel Discrete Output Modules with Status

All four-channel "enhanced" discrete output modules use the same configuration and I/O assemblies. Use the tables shown below for the following modules:

• 1734-OB4E or 1738-OB4E

• 1734-OV4E or 1738-0V4E

Publication 1734-UM016A-EN-P - October 2010

1734/1738 I/O Module Assembly Information 39

Configuration Assembly Instance 123

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Reserved Fault State 3 Fault State 2 Fault State 1 Fault State 0 1 Reserved Fault Value 3 Fault Value 2 Fault Value 1 Fault Value 0 2 Reserved Idle State 3 Idle State 2 Idle State 1 Idle State 0 3 Reserved Idle Value 3 Idle Value 2 Idle Value 1 Idle Value 0 4 Reserved Enable No Load 3 Enable No Load 2 Enable No Load 1 Enable No Load 0 5 Reserved Reset mode 3 Reset mode 2 Reset mode 1 Reset mode 0 6 Reserved Enable Latched

Alarms 3

7 Pad

Produced Input Data Assembly 43

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Reserved

Consumed Output Data Assembly 33

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Reserved Ch 3 Ch 2 Ch 1 Ch 0

Four-channel Discrete Output Modules

Use the tables shown below for the following modules:

• 1734-OB4 or 1738-OB4

Enable Latched Alarms 2

Enable Latched Alarms 1

Enable Latched Alarms 0

Configuration Assembly Instance 123

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Reserved Fault State 3 Fault State 2 Fault State 1 Fault State 0 1 Reserved Fault Value 3 Fault Value 2 Fault Value 1 Fault Value 0 2 Reserved Idle State 3 Idle State 2 Idle State 1 Idle State 0 3 Reserved Idle Value 3 Idle Value 2 Idle Value 1 Idle Value 0 4 Reserved (Set to 0) 5 Reserved (Set to 0) 6 Reserved (Set to 0) 7 Pad

Publication 1734-UM016A-EN-P - October 2010

40 1734/1738 I/O Module Assembly Information

Produced Input Data Assembly 43

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Reserved

Consumed Output Data Assembly 33

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Reserved Ch 3 Ch 2 Ch 1 Ch 0

Eight-channel Discrete Output Modules with Status

All eight-channel "enhanced" discrete output modules use the same configuration and I/O assemblies. Use the tables shown below for the following modules:

• 1734-OB8E or 1738-OB8E

• 1734-OV8E or 1738-OV8E

Configuration Assembly Instance 123

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Fault State 7 Fault State 6 Fault State 5 Fault State 4 Fault State 3 Fault State 2 Fault State 1 Fault State 0 1 Fault Value 7 Fault Value 6 Fault Value 5 Fault Value 4 Fault Value 3 Fault Value 2 Fault Value 1 Fault Value 0 2 Idle State 7 Idle State 6 Idle State 5 Idle State 4 Idle State 3 Idle State 2 Idle State 1 Idle State 0 3 Idle Value 7 Idle Value 6 Idle Value 5 Idle Value 4 Idle Value 3 Idle Value 2 Idle Value 1 Idle Value 0 4 Enable No

Load 7 5 Reset Mode 7 Reset Mode 6 Reset Mode 5 Reset Mode 4 Reset Mode 3 Reset Mode 2 Reset mode 1 Reset mode 0 6 Enable

Latched

Alarms 7 7 Pad

Enable No Load 6

Enable Latched Alarms 6

Enable No Load 5

Enable Latched Alarms 5

Produced Input Data Assembly 44

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Ch 7

Enable No Load 4

Enable Latched Alarms 4

status

Ch 6 status

Enable No Load 3

Enable Latched Alarms 3

Ch 5 status

Enable No Load 2

Enable Latched Alarms 2

Ch status

Ch 3 status

Enable No Load 1

Enable Latched Alarms 1

Ch 2 status

Ch 1 status

Enable No Load 0

Enable Latched Alarms 0

Ch 0 status

Publication 1734-UM016A-EN-P - October 2010

Consumed Output Data Assembly 34

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Ch 7 Ch 6 Ch 5 Ch 4 Ch 3 Ch 2 Ch 1 Ch 0

1734/1738 I/O Module Assembly Information 41

Eight-channel Discrete Output Modules

Use the tables shown below for the following modules:

• 1734-OB8 or 1738-OB8

Configuration Assembly Instance 123

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Fault State 7 Fault State 6 Fault State 5 Fault State 4 Fault State 3 Fault State 2 Fault State 1 Fault State 0 1 Fault Value 7 Fault Value 6 Fault Value 5 Fault Value 4 Fault Value 3 Fault Value 2 Fault Value 1 Fault Value 0 2 Idle State 7 Idle State 6 Idle State 5 Idle State 4 Idle State 3 Idle State 2 Idle State 1 Idle State 0 3 Idle Value 7 Idle Value 6 Idle Value 5 Idle Value 4 Idle Value 3 Idle Value 2 Idle Value 1 Idle Value 0 4 Enable No

Load 7 5 Reset Mode 7 Reset Mode 6 Reset Mode 5 Reset Mode 4 Reset Mode 3 Reset Mode 2 Reset mode 1 Reset mode 0 6 Enable

Latched

Alarms 7 7 Pad

Enable No Load 6

Enable Latched Alarms 6

Enable No Load 5

Enable Latched Alarms 5

Enable No Load 4

Enable Latched Alarms 4

Enable No Load 3

Enable Latched Alarms 3

Enable No Load 2

Enable Latched Alarms 2

Enable No Load 1

Enable Latched Alarms 1

Enable No Load 0

Enable Latched Alarms 0

Produced Input Data Assembly 44

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Reserved

Consumed Output Data Assembly 34

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Ch 7 Ch 6 Ch 5 Ch 4 Ch 3 Ch 2 Ch 1 Ch 0

Four-channel Discrete Diagnostic Input Modules

Use the tables shown below for the following modules:

• 1734-IB4D or 1738-IB4DM12

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Configuration Assembly Instance 103

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Input 0 Off to On Filter Low Byte 1 Input 0 Off to On Filter High Byte 2 Input 0 On to Off Filter Low Byte 3 Input 0 On to Off Filter High Byte 4 Input 1 Off to On Filter Low Byte 5 Input 1 Off to On Filter High Byte 6 Input 1 On to Off Filter Low Byte 7 Input 1 On to Off Filter High Byte 8 Input 2 Off to On Filter Low Byte 9 Input 2 Off to On Filter High Byte 10 Input 2 On to Off Filter Low Byte 11 Input 2 On to Off Filter High Byte 12 Input 3 Off to On Filter Low Byte 13 Input 3 Off to On Filter High Byte 14 Input 3 On to Off Filter Low Byte 15 Input 3 On to Off Filter High Byte 16 Autobaud

Disable

17 Produced Assembly Instance

Enable Open Wire Detect 3

Enable Open Wire Detect 2

Enable Open Wire Detect 1

Enable Open Wire Detect 0

This POINT I/O input module produces 1 or 2 bytes of input data based on which produced assembly is selected. The default assembly (instance 101) is 2 bytes. This module does not consume I/O data.

Produced Diagnostic Input Data Assembly 101

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Fault 3 Fault 2 Fault 1 Fault 0 Input 3 Input 2 Input 1 Input 0 1 Short

Circuit 3

Produced Input Data Assembly 23

Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

0 Fault 3 Fault 2 Fault 1 Fault 0 Input 3 Input 2 Input 1 Input 0

Short Circuit 2

Short Circuit 1

Short Circuit 0

Off Wire 3

Off Wire 2

Off Wire 1

Off Wire 0

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1734/1738 I/O Module Assembly Information 43

Two-channel Relay and AC Output Modules

All two-channel relay and AC output modules use the same Consumed I/O assembly. There are no Produced or Configuration assemblies for these modules. Use the table shown below for the following modules:

• 1734-OW2

• 1734-OX2

• 1734-OA2 or 1738-OA2M12AC3

Consumed Output Data Assembly 32

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Reserved Ch 1 Ch 0

Four-channel Relay and AC Output Modules

All four channel relay and AC output modules use the same Consumed I/O assembly. There are no Produced or Configuration assemblies for these modules. Use the table shown below for the following modules:

• 1734-OW4

• 1734-OW4M12 or 1738-OW4M12AC

• 1734-OA4

Consumed Output Data Assembly 32

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Reserved Ch 3 Ch 2 Ch 1 Ch 0

Sixteen-channel Discrete Diagnostic Input Modules

Use the table shown below for the following modules:

• 1738-IB16DM12

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Configuration Assembly Instance 103

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Input Off to On Filter Low Byte 1 Input Off to On Filter High Byte 2 Input On to Off Filter Low Byte 3 Input On to Off Filter High Byte 4 Produced Assembly 5 Reserved = 0

This POINT I/O input module produces 2 or 3 bytes of input data based on which produced assembly is selected. The default assembly instance 101 is 3 bytes. This module does not consume I/O data.

Produced Diagnostic Input Data Assembly Instance 101

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Ch 7 Ch 6 Ch 5 Ch 4 Ch 3 Ch 2 Ch 1 Ch 0 1 Ch 15 Ch 14 Ch 13 Ch 12 Ch 11 Ch 10 Ch 9 Ch 8 2 Reserved Fault LED

State

SSV Fault 12…15

SSV Fault 8…11

SSV Fault 4…7

SSV Fault 0…3

Produced Input Data Assembly Instance 5

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Ch 7 Ch 6 Ch 5 Ch 4 Ch 3 Ch 2 Ch 1 Ch 0 1 Ch 15 Ch 14 Ch 13 Ch 12 Ch 11 Ch 10 Ch 9 Ch 8

Sixteen-channel Discrete Output Modules

Use the table shown below for the following modules:

• 1738-OB16E19M23

• 1738-OB16E25DS

• 1738-OB16EM12

Configuration Assembly Instance 123

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Enable

Latched Faults

1 Reserved = 0

Idle Value Idle Action Fault Value Fault Action

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1734/1738 I/O Module Assembly Information 45

Produced Diagnostic Data Assembly 101

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Reserved Fault LED

State

Consumed Output Data Assembly 37

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Ch 7 Ch 6 Ch 5 Ch 4 Ch 3 Ch 2 Ch 1 Ch 0 1 Ch 15 Ch 14 Ch 13 Ch 12 Ch 11 Ch 10 Ch 9 Ch 8

Fault 12…15 Fault 8…11 Fault 4…7 Fault 0…3

Eight-channel Configurable Discrete Input/Output Modules

All eight channel "configurable" discrete I/O modules use the same configuration and I/O assemblies. Use the tables shown below for the following modules:

• 1734-8CFG

• 1738-8CFGM12

• 1738-8CFGM23

• 1738-8CFGM8

Configuration Assembly Instance 103

ByteBit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Input Off to On Filter Low Byte 1 Input Off to On Filter High Byte 2 Input On to Off Filter Low Byte 3 Input On to Off Filter High Byte 4 Fault Action 7 Fault Action 6 Fault Action 5 Fault Action 4 Fault Action 3 Fault Action 2 Fault Action 1 Fault Action 0 5 Fault Action 7 Fault Action 6 Fault Action 5 Fault Action 4 Fault Action 3 Fault Action 2 Fault Action 1 Fault Action 0 6 Idle Action 7 Idle Action 6 Idle Action 5 Idle Action 4 Idle Action 3 Idle Action 2 Idle Action 1 Idle Action 0 7 Idle Value 7 Idle Value 6 Idle Value 5 Idle Value 4 Idle Value 3 Idle Value 2 Idle Value 1 Idle Value 0

Produced Input Data Assembly 4

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Ch 7 Ch 6 Ch 5 Ch 4 Ch 3 Ch 2 Ch 1 Ch 0

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Consumed Output Data Assembly 34

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Ch 7 Ch 6 Ch 5 Ch 4 Ch 3 Ch 2 Ch 1 Ch 0

Very High Speed Counter Modules

Use the tables shown below for the following modules:

• 1734-VHSC5

• 1734-VHSC25 or 1738-VHSC24M23

The modules support 3 different consumed output data assemblies. The Active Output Assembly field of the Configuration assembly selects which output assembly will be used. Assembly 105 is the default. Other produced assemblies are possible but require separate configuration of the module. For more information regarding the specific fields of these assemblies, consult the product's user manual.

Produced Input Data Assembly 102

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Stored Channel Data [Low Byte] 1 Stored Channel Data [1] 2 Stored Channel Data [2] 3 Stored Channel Data [High Byte] 4 Status (Low Byte) 5 Status (High Byte)

Consumed Output Data Assembly 105

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Counter Control 1 Output Control

Consumed Output Data Assembly 106

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 PWM Value (Low Byte) 1 PWM Value (High Byte)

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1734/1738 I/O Module Assembly Information 47

Consumed Output Data Assembly 107

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 PWM Value (Low Byte) 1 PWM Value (High Byte) 2 Counter Control 3 Output Control

Configuration Assembly Instance 108

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Counter Configuration 1 Filter Selection 2 Decimal Position 3 Active Output Assembly 4 Time Base or PWM Period (low byte) 5 Time Base or PWM Period (high byte) 6 Gate Interval 7Scalar 8 Output 0 Ties 9 Output 1 Ties 10 Rollover Value [Low Byte] 11 Rollover Value [1] 12 Rollover Value [2] 13 Rollover Value [High Byte] 14 Preset Value [Low Byte] 15 Preset Value [1] 16 Preset Value [2] 17 Preset Value [High Byte] 18 ON Value # 1 [Low Byte] 19 ON Value # 1 [1] 20 ON Value # 1 [2] 21 ON Value # 1 [High Byte] 22 OFF Value #1 [Low Byte] 23 OFF Value #1 [1] 24 OFF Value #1 [2] 25 OFF Value #1 [High Byte] 26 ON Value # 2 [Low Byte] 27 ON Value # 2 [1] 28 ON Value # 2 [2]

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Configuration Assembly Instance 108

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

29 ON Value # 2 [High Byte] 30 OFF Value #2 [Low Byte] 31 OFF Value #2 [1] 32 OFF Value #2 [2] 33 OFF Value #2 [High Byte] 34 ON Value # 3 [Low Byte] 35 ON Value # 3 [1] 36 ON Value # 3 [2] 37 ON Value # 3 [High Byte] 38 OFF Value #3 [Low Byte] 39 OFF Value #3 [1] 40 OFF Value #3 [2] 41 OFF Value #3 [High Byte] 42 ON Value # 4 [Low Byte] 43 ON Value # 4 [1] 44 ON Value # 4 [2] 45 ON Value # 4 [High Byte] 46 OFF Value #4 [Low Byte] 47 OFF Value #4 [1] 48 OFF Value #4 [2] 49 OFF Value #4 [High Byte] 50 PWM Safe State Value (low byte) 51 PWM Safe State Value (high byte) 52 Counter Control SSV 53 Output Control SSV

Counter Modules

Use the tables shown below for the following modules:

Publication 1734-UM016A-EN-P - October 2010

• 1734-IJ or 1738-IJM23

• 1734-IK

The modules support 3 different consumed input data assemblies. The produced input assembly can be set with the Requested Change of State Produce Assembly filed of the Configuration assembly. Assembly 102 is the

1734/1738 I/O Module Assembly Information 49

default produced assembly. For more information regarding the specific fields of these assemblies, consult the product's user manual.

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Counter Configuration 1 Filter Selection 2 Decimal Position 3 Reserved 4 Time Base (low byte) 5 Time Base (high byte) 6 Gate Interval 7Scalar 8 Rollover Value [Low Byte] 9 Rollover Value [1] 10 Rollover Value [2] 11 Rollover Value [High Byte] 12 Preset Value [Low Byte] 13 Preset Value [1] 14 Preset Value [2] 15 Preset Value [High Byte] 16 Counter Control SSV 17 Reserved (set to 0)

Produced Input Data Assembly 102

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Stored Channel Data [Low Byte] 1 Stored Channel Data [1] 2 Stored Channel Data [2] 3 Stored Channel Data [High Byte] 4 Status (Low Byte) 5 Status (High Byte)

Consumed Output Data Assembly 105

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Counter Control

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Two-channel Analog Input Modules

Use the tables shown below for the following modules:

• 1734-IE2C

• 1734-IE2V

• 1738-IE2CM12 or 1738-IE2VM12

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Low Engineering Channel 0 (Low Byte) 1 Low Engineering Channel 0 (High Byte) 2 High Engineering Channel 0 (Low Byte) 3 High Engineering Channel 0 (High Byte) 4 Digital Filter Channel 0 (Low Byte) 5 Digital Filter Channel 0 (High Byte) 6 Low Alarm Channel 0 (Low Byte) 7 Low Alarm Channel 0 (High Byte) 8 High Alarm Channel 0 (Low Byte) 9 High Alarm Channel 0 (High Byte) 10 Low Low Alarm Channel 0 (Low Byte) 11 Low Low Alarm Channel 0 (High Byte) 12 High High Alarm Channel 0 (Low Byte) 13 High High Alarm Channel 0 (High Byte) 14 Range Channel 0 15 Alarm Latch Channel 0 16 Alarm Disable Channel 0 17 Alignment (reserved = 0) 18 Low Engineering Channel 1 (Low Byte) 19 Low Engineering Channel 1 (High Byte) 20 High Engineering Channel 1 (Low Byte) 21 High Engineering Channel 1 (High Byte) 22 Digital Filter Channel 1 (Low Byte) 23 Digital Filter Channel 1 (High Byte) 24 Low Alarm Channel 1 (Low Byte)

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25 Low Alarm Channel 1 (High Byte) 26 High Alarm Channel 1 (Low Byte)

1734/1738 I/O Module Assembly Information 51

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

27 High Alarm Channel 1 (High Byte) 28 Low Low Alarm Channel 1 (Low Byte) 29 Low Low Alarm Channel 1 (High Byte) 30 High High Alarm Channel 1 (Low Byte) 31 High High Alarm Channel 1 (High Byte) 32 Range Channel 1 33 Alarm Latch Channel 1 34 Alarm Disable Channel 1 35 Notch Filter 36 Update Rate (Low Byte) 37 Update Rate (High Byte)

Produced Input Data Assembly 101

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Channel 0 Data (Low Byte) 1 Channel 0 Data (High Byte) 2 Channel 1 Data (Low Byte) 3 Channel 1 Data (High Byte) 4 Channel 0 Status 5 Channel 1 Status

Four-channel Analog Input Modules

Use the tables shown below for the following modules:

• 1734-IE4C

• 1738-IE4CM12 or 1738-IE4VM12

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Low Engineering Channel 0 (Low Byte) 1 Low Engineering Channel 0 (High Byte) 2 High Engineering Channel 0 (Low Byte) 3 High Engineering Channel 0 (High Byte) 4 Digital Filter Channel 0 (Low Byte)

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Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

5 Digital Filter Channel 0 (High Byte) 6 Low Alarm Channel 0 (Low Byte) 7 Low Alarm Channel 0 (High Byte) 8 High Alarm Channel 0 (Low Byte) 9 High Alarm Channel 0 (High Byte) 10 Low Low Alarm Channel 0 (Low Byte) 11 Low Low Alarm Channel 0 (High Byte) 12 High High Alarm Channel 0 (Low Byte) 13 High High Alarm Channel 0 (High Byte) 14 Range Channel 0 15 Alarm Latch Channel 0 16 Alarm Disable Channel 0 17 Alignment (reserved = 0) 18 Low Engineering Channel 1 (Low Byte) 19 Low Engineering Channel 1 (High Byte) 20 High Engineering Channel 1 (Low Byte) 21 High Engineering Channel 1 (High Byte) 22 Digital Filter Channel 1 (Low Byte) 23 Digital Filter Channel 1 (High Byte) 24 Low Alarm Channel 1 (Low Byte) 25 Low Alarm Channel 1 (High Byte) 26 High Alarm Channel 1 (Low Byte) 27 High Alarm Channel 1 (High Byte) 28 Low Low Alarm Channel 1 (Low Byte) 29 Low Low Alarm Channel 1 (High Byte) 30 High High Alarm Channel 1 (Low Byte) 31 High High Alarm Channel 1 (High Byte) 32 Range Channel 1 33 Alarm Latch Channel 1 34 Alarm Disable Channel 1 35 Alignment (reserved = 0) 36 Low Engineering Channel 2 (Low Byte) 37 Low Engineering Channel 2 (High Byte)

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38 High Engineering Channel 2 (Low Byte) 39 High Engineering Channel 2 (High Byte) 40 Digital Filter Channel 2 (Low Byte)

1734/1738 I/O Module Assembly Information 53

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

41 Digital Filter Channel 2 (High Byte) 42 Low Alarm Channel 2 (Low Byte) 43 Low Alarm Channel 2 (High Byte) 44 High Alarm Channel 2 (Low Byte) 45 High Alarm Channel 2 (High Byte) 46 Low Low Alarm Channel 2 (Low Byte) 47 Low Low Alarm Channel 2 (High Byte) 48 High High Alarm Channel 2 (Low Byte) 49 High High Alarm Channel 2 (High Byte) 50 Range Channel 2 51 Alarm Latch Channel 2 52 Alarm Disable Channel 2 53 Alignment (reserved = 0) 54 Low Engineering Channel 3 (Low Byte) 55 Low Engineering Channel 3 (High Byte) 56 High Engineering Channel 3 (Low Byte) 57 High Engineering Channel 3 (High Byte) 58 Digital Filter Channel 3 (Low Byte) 59 Digital Filter Channel 3 (High Byte) 60 Low Alarm Channel 3 (Low Byte) 61 Low Alarm Channel 3 (High Byte) 62 High Alarm Channel 3 (Low Byte) 63 High Alarm Channel 3 (High Byte) 64 Low Low Alarm Channel 3 (Low Byte) 65 Low Low Alarm Channel 3 (High Byte) 66 High High Alarm Channel 3 (Low Byte) 67 High High Alarm Channel 3 (High Byte) 68 Range Channel 3 69 Alarm Latch Channel 3 70 Alarm Disable Channel 3 71 Notch Filter 72 Update Rate (Low Byte) 73 Update Rate (High Byte)

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Produced Input Data Assembly 101

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Channel 0 Data (Low Byte) 1 Channel 0 Data (High Byte) 2 Channel 1 Data (Low Byte) 3 Channel 1 Data (High Byte) 4 Channel 2 Data (Low Byte) 5 Channel 2 Data (High Byte) 6 Channel 3 Data (Low Byte) 7 Channel 3 Data (High Byte) 8 Channel 0 Status 9 Channel 1 Status 10 Channel 2 Status 11 Channel 3 Status

Eight-channel Analog Input Modules

Use the tables shown below for the following modules:

• 1734-IE8C

• 1734-IE8V

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Low Engineering Channel 0 (Low Byte) 1 Low Engineering Channel 0 (High Byte) 2 High Engineering Channel 0 (Low Byte) 3 High Engineering Channel 0 (High Byte) 4 Digital Filter Channel 0 (Low Byte) 5 Digital Filter Channel 0 (High Byte) 6 Low Alarm Channel 0 (Low Byte) 7 Low Alarm Channel 0 (High Byte) 8 High Alarm Channel 0 (Low Byte) 9 High Alarm Channel 0 (High Byte)

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10 Low Low Alarm Channel 0 (Low Byte) 11 Low Low Alarm Channel 0 (High Byte)

1734/1738 I/O Module Assembly Information 55

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

12 High High Alarm Channel 0 (Low Byte) 13 High High Alarm Channel 0 (High Byte) 14 Range Channel 0 15 Alarm Latch Channel 0 16 Alarm Disable Channel 0 17 Alignment (reserved = 0) 18 Low Engineering Channel 1 (Low Byte) 19 Low Engineering Channel 1 (High Byte) 20 High Engineering Channel 1 (Low Byte) 21 High Engineering Channel 1 (High Byte) 22 Digital Filter Channel 1 (Low Byte) 23 Digital Filter Channel 1 (High Byte) 24 Low Alarm Channel 1 (Low Byte) 25 Low Alarm Channel 1 (High Byte) 26 High Alarm Channel 1 (Low Byte) 27 High Alarm Channel 1 (High Byte) 28 Low Low Alarm Channel 1 (Low Byte) 29 Low Low Alarm Channel 1 (High Byte) 30 High High Alarm Channel 1 (Low Byte) 31 High High Alarm Channel 1 (High Byte) 32 Range Channel 1 33 Alarm Latch Channel 1 34 Alarm Disable Channel 1 35 Alignment (reserved = 0) 36 Low Engineering Channel 2 (Low Byte) 37 Low Engineering Channel 2 (High Byte) 38 High Engineering Channel 2 (Low Byte) 39 High Engineering Channel 2 (High Byte) 40 Digital Filter Channel 2 (Low Byte) 41 Digital Filter Channel 2 (High Byte) 42 Low Alarm Channel 2 (Low Byte) 43 Low Alarm Channel 2 (High Byte) 44 High Alarm Channel 2 (Low Byte) 45 High Alarm Channel 2 (High Byte) 46 Low Low Alarm Channel 2 (Low Byte) 47 Low Low Alarm Channel 2 (High Byte)

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Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

48 High High Alarm Channel 2 (Low Byte) 49 High High Alarm Channel 2 (High Byte) 50 Range Channel 2 51 Alarm Latch Channel 2 52 Alarm Disable Channel 2 53 Alignment (reserved = 0) 54 Low Engineering Channel 3 (Low Byte) 55 Low Engineering Channel 3 (High Byte) 56 High Engineering Channel 3 (Low Byte) 57 High Engineering Channel 3 (High Byte) 58 Digital Filter Channel 3 (Low Byte) 59 Digital Filter Channel 3 (High Byte) 60 Low Alarm Channel 3 (Low Byte) 61 Low Alarm Channel 3 (High Byte) 62 High Alarm Channel 3 (Low Byte) 63 High Alarm Channel 3 (High Byte) 64 Low Low Alarm Channel 3 (Low Byte) 65 Low Low Alarm Channel 3 (High Byte) 66 High High Alarm Channel 3 (Low Byte) 67 High High Alarm Channel 3 (High Byte) 68 Range Channel 3 69 Alarm Latch Channel 3 70 Alarm Disable Channel 3 71 Alignment (reserved = 0) 72 Low Engineering Channel 4 (Low Byte) 73 Low Engineering Channel 4 (High Byte) 74 High Engineering Channel 4 (Low Byte) 75 High Engineering Channel 4 (High Byte) 76 Digital Filter Channel 4 (Low Byte) 77 Digital Filter Channel 4 (High Byte) 78 Low Alarm Channel 4 (Low Byte) 79 Low Alarm Channel 4 (High Byte) 80 High Alarm Channel 4 (Low Byte)

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81 High Alarm Channel 4 (High Byte) 82 Low Low Alarm Channel 4 (Low Byte) 83 Low Low Alarm Channel 4 (High Byte)

1734/1738 I/O Module Assembly Information 57

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

84 High High Alarm Channel 4 (Low Byte) 85 High High Alarm Channel 4 (High Byte) 86 Range Channel 4 87 Alarm Latch Channel 4 88 Alarm Disable Channel 4 89 Alignment (reserved = 0) 90 Low Engineering Channel 5 (Low Byte) 91 Low Engineering Channel 5 (High Byte) 92 High Engineering Channel 5 (Low Byte) 93 High Engineering Channel 5 (High Byte) 94 Digital Filter Channel 5 (Low Byte) 95 Digital Filter Channel 5 (High Byte) 96 Low Alarm Channel 5 (Low Byte) 97 Low Alarm Channel 5 (High Byte) 98 High Alarm Channel 5 (Low Byte) 99 High Alarm Channel 5 (High Byte) 100 Low Low Alarm Channel 5 (Low Byte) 101 Low Low Alarm Channel 5 (High Byte) 102 High High Alarm Channel 5 (Low Byte) 103 High High Alarm Channel 5 (High Byte) 104 Range Channel 5 105 Alarm Latch Channel 5 106 Alarm Disable Channel 5 107 Alignment (reserved = 0) 108 Low Engineering Channel 6 (Low Byte) 109 Low Engineering Channel 6 (High Byte) 110 High Engineering Channel 6 (Low Byte) 111 High Engineering Channel 6 (High Byte) 112 Digital Filter Channel 6 (Low Byte) 113 Digital Filter Channel 6 (High Byte) 114 Low Alarm Channel 6 (Low Byte) 115 Low Alarm Channel 6 (High Byte) 116 High Alarm Channel 6 (Low Byte) 117 High Alarm Channel 6 (High Byte) 118 Low Low Alarm Channel 6 (Low Byte) 119 Low Low Alarm Channel 6 (High Byte)

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Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

120 High High Alarm Channel 6 (Low Byte) 121 High High Alarm Channel 6 (High Byte) 122 Range Channel 6 123 Alarm Latch Channel 6 124 Alarm Disable Channel 6 125 Alignment (reserved = 0) 126 Low Engineering Channel 7 (Low Byte) 127 Low Engineering Channel 7 (High Byte) 128 High Engineering Channel 7 (Low Byte) 129 High Engineering Channel 7 (High Byte) 130 Digital Filter Channel 7 (Low Byte) 131 Digital Filter Channel 7 (High Byte) 132 Low Alarm Channel 7 (Low Byte) 134 Low Alarm Channel 7 (High Byte) 135 High Alarm Channel 7 (High Byte) 136 Low Low Alarm Channel 7 (Low Byte) 137 Low Low Alarm Channel 7 (High Byte) 138 High High Alarm Channel 7 (Low Byte) 139 High High Alarm Channel 7 (High Byte) 140 Range Channel 7 141 Alarm Latch Channel 7 142 Alarm Disable Channel 7 143 Notch Filter 144 Update Rate (Low Byte) 145 Update Rate (High Byte)

Produced Input Data Assembly 101

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Channel 0 Data (Low Byte) 1 Channel 0 Data (High Byte) 2 Channel 1 Data (Low Byte)

Publication 1734-UM016A-EN-P - October 2010

3 Channel 1 Data (High Byte) 4 Channel 2 Data (Low Byte) 5 Channel 2 Data (High Byte) 6 Channel 3 Data (Low Byte) 7 Channel 3 Data (High Byte)

1734/1738 I/O Module Assembly Information 59

Produced Input Data Assembly 101

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

8 Channel 4 Data (Low Byte) 9 Channel 4 Data (High Byte) 10 Channel 5 Data (Low Byte) 11 Channel 5 Data (High Byte) 12 Channel 6 Data (Low Byte) 13 Channel 6 Data (High Byte) 14 Channel 7 Data (Low Byte) 15 Channel 7 Data (High Byte) 16 Channel 0 Status 17 Channel 1 Status 18 Channel 2 Status 19 Channel 3 Status 20 Channel 4 Status 21 Channel 5 Status 22 Channel 6 Status 23 Channel 7 Status

Two-channel Analog Output Modules

Use the tables shown below for the following modules:

• 1734-OE2C

• 1734-OE2V

• 1738-OE2CM12 or 1738-OE2VM12

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Fault Data Channel 0 (Low Byte) 1 Fault Data Channel 0 (High Byte) 2 Idle Data Channel 0 (Low Byte) 3 Idle Data Channel 0 (High Byte) 4 Low Engineering Channel 0 (Low Byte) 5 Low Engineering Channel 0 (High Byte) 6 High Engineering Channel 0 (Low Byte)

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Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

7 High Engineering Channel 0 (High Byte) 8 Low Clamp Channel 0 (Low Byte) 9 Low Clamp Channel 0 (High Byte) 10 High Clamp Channel 0 (Low Byte) 11 High Clamp Channel 0 (High Byte) 12 Range Channel 0 13 Fault Action Channel 0 14 Idle Action Channel 0 15 Alarm Latch Channel 0 16 Alarm Disable Channel 0 17 Alignment (reserved = 0) 18 Fault Data Channel 1 (Low Byte) 19 Fault Data Channel 1 (High Byte) 20 Idle Data Channel 1 (Low Byte) 21 Idle Data Channel 1 (High Byte) 22 Low Engineering Channel 1 (Low Byte) 23 Low Engineering Channel 1 (High Byte) 24 High Engineering Channel 1 (Low Byte) 25 High Engineering Channel 1 (High Byte) 26 Low Clamp Channel 1 (Low Byte) 27 Low Clamp Channel 1 (High Byte) 28 High Clamp Channel 1 (Low Byte) 29 High Clamp Channel 1 (High Byte) 30 Range Channel 1 31 Fault Action Channel 1 32 Idle Action Channel 1 33 Alarm Latch Channel 1 34 Alarm Disable Channel 1 35 Alignment (reserved = 0)

Produced Input Data Assembly 101

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Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Channel 0 Status 1 Channel 1 Status

1734/1738 I/O Module Assembly Information 61

Consumed Output Data Assembly 102

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Channel 0 Data (Low Byte) 1 Channel 0 Data (High Byte) 2 Channel 1 Data (Low Byte) 3 Channel 1 Data (High Byte)

Four-channel Analog Output Modules

Use the tables shown below for the following modules:

• 1734-OE4C

• 1738-OE4CM12 or 1738-OE4VM12

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Fault Data Channel 0 (Low Byte) 1 Fault Data Channel 0 (High Byte) 2 Idle Data Channel 0 (Low Byte) 3 Idle Data Channel 0 (High Byte) 4 Low Engineering Channel 0 (Low Byte) 5 Low Engineering Channel 0 (High Byte) 6 High Engineering Channel 0 (Low Byte) 7 High Engineering Channel 0 (High Byte) 8 Low Clamp Channel 0 (Low Byte) 9 Low Clamp Channel 0 (High Byte) 10 High Clamp Channel 0 (Low Byte) 11 High Clamp Channel 0 (High Byte) 12 Range Channel 0 13 Fault Action Channel 0 14 Idle Action Channel 0 15 Alarm Latch Channel 0 16 Alarm Disable Channel 0 17 Alignment (reserved = 0) 18 Fault Data Channel 1 (Low Byte) 19 Fault Data Channel 1 (High Byte)

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Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

20 Idle Data Channel 1 (Low Byte) 21 Idle Data Channel 1 (High Byte) 22 Low Engineering Channel 1 (Low Byte) 23 Low Engineering Channel 1 (High Byte) 24 High Engineering Channel 1 (Low Byte) 25 High Engineering Channel 1 (High Byte) 26 Low Clamp Channel 1 (Low Byte) 27 Low Clamp Channel 1 (High Byte) 28 High Clamp Channel 1 (Low Byte) 29 High Clamp Channel 1 (High Byte) 30 Range Channel 1 31 Fault Action Channel 1 32 Idle Action Channel 1 33 Alarm Latch Channel 1 34 Alarm Disable Channel 1 35 Alignment (reserved = 0) 36 Fault Data Channel 2 (Low Byte) 37 Fault Data Channel 2 (High Byte) 38 Idle Data Channel 2 (Low Byte) 39 Idle Data Channel 2 (High Byte) 40 Low Engineering Channel 2 (Low Byte) 41 Low Engineering Channel 2 (High Byte) 42 High Engineering Channel 2 (Low Byte) 43 High Engineering Channel 2 (High Byte) 44 Low Clamp Channel 2 (Low Byte) 45 Low Clamp Channel 2 (High Byte) 46 High Clamp Channel 2 (Low Byte) 47 High Clamp Channel 2 (High Byte) 48 Range Channel 2 49 Fault Action Channel 2 50 Idle Action Channel 2 51 Alarm Latch Channel 2 52 Alarm Disable Channel 2

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53 Alignment (reserved = 0) 54 Fault Data Channel 3 (Low Byte) 55 Fault Data Channel 3 (High Byte)

1734/1738 I/O Module Assembly Information 63

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

56 Idle Data Channel 3 (Low Byte) 57 Idle Data Channel 3 (High Byte) 58 Low Engineering Channel 3 (Low Byte) 59 Low Engineering Channel 3 (High Byte) 60 High Engineering Channel 3 (Low Byte) 61 High Engineering Channel 3 (High Byte) 62 Low Clamp Channel 3 (Low Byte) 63 Low Clamp Channel 3 (High Byte) 64 High Clamp Channel 3 (Low Byte) 65 High Clamp Channel 3 (High Byte) 66 Range Channel 3 67 Fault Action Channel 3 68 Idle Action Channel 3 69 Alarm Latch Channel 3 70 Alarm Disable Channel 3 71 Alignment (reserved = 0)

Produced Input Data Assembly 101

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Channel 0 Status 1 Channel 1 Status 2 Channel 2 Status 3 Channel 3 Status

Produced Input Data Assembly 101

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Channel 0 Data (Low Byte) 1 Channel 0 Data (High Byte) 2 Channel 1 Data (Low Byte) 3 Channel 1 Data (High Byte) 4 Channel 2 Data (Low Byte) 5 Channel 2 Data (High Byte) 6 Channel 3 Data (Low Byte) 7 Channel 3 Data (High Byte)

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64 1734/1738 I/O Module Assembly Information

Two-channel RTD Input Modules

Use the tables shown below for the following modules:

• 1734-IR2

• 1734-IR2E or 1738-IR2M12

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Low Engineering Channel 0 (Low Byte) 1 Low Engineering Channel 0 (High Byte) 2 High Engineering Channel 0 (Low Byte) 3 High Engineering Channel 0 (High Byte) 4 Digital Filter Channel 0 (Low Byte) 5 Digital Filter Channel 0 (High Byte) 6 Low Alarm Channel 0 (Low Byte) 7 Low Alarm Channel 0 (High Byte) 8 High Alarm Channel 0 (Low Byte) 9 High Alarm Channel 0 (High Byte) 10 Low Low Alarm Channel 0 (Low Byte) 11 Low Low Alarm Channel 0 (High Byte) 12 High High Alarm Channel 0 (Low Byte) 13 High High Alarm Channel 0 (High Byte) 14 Alarm Latch Channel 0 15 Alarm Disable Channel 0 16 Sensor Type Channel 0 17 Temperature Units Channel 0 18 Low Engineering Channel 1 (Low Byte) 19 Low Engineering Channel 1 (High Byte) 20 High Engineering Channel 1 (Low Byte) 21 High Engineering Channel 1 (High Byte) 22 Digital Filter Channel 1 (Low Byte) 23 Digital Filter Channel 1 (High Byte) 24 Low Alarm Channel 1 (Low Byte) 25 Low Alarm Channel 1 (High Byte) 26 High Alarm Channel 1 (Low Byte)

Publication 1734-UM016A-EN-P - October 2010

27 High Alarm Channel 1 (High Byte)

1734/1738 I/O Module Assembly Information 65

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

28 Low Low Alarm Channel 1 (Low Byte) 29 Low Low Alarm Channel 1 (High Byte) 30 High High Alarm Channel 1 (Low Byte) 31 High High Alarm Channel 1 (High Byte) 32 Alarm Latch Channel 1 33 Alarm Disable Channel 1 34 Sensor Type Channel 1 35 Temperature Units Channel 1 36 Notch Filter 37 Alignment (reserved = 0)

Produced Input Data Assembly 101

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Channel 0 Data (Low Byte) 1 Channel 0 Data (High Byte) 2 Channel 1 Data (Low Byte) 3 Channel 1 Data (High Byte) 4 Channel 0 Status 5 Channel 1 Status

Two-channel Thermocouple Input Modules

Use the tables shown below for the following modules:

• 1734-IR2I or 1738-IR2IM12

Configuration Assembly Instance 103

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Cold Junction Notch Filter 1 Cold Junction Produced 2 Low Engineering Channel 0 (Low Byte) 3 Low Engineering Channel 0 (High Byte) 4 High Engineering Channel 0 (Low Byte) 5 High Engineering Channel 0 (High Byte) 6 Alarm Disable Channel 0

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66 1734/1738 I/O Module Assembly Information

Configuration Assembly Instance 103

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

7 Alarm Latch Channel 0 8 Notch Filter Channel 0 9 Sensor Type Channel 0 10 Digital Filter Channel 0 (Low Byte) 11 Digital Filter Channel 0 (High Byte) 12 Low Alarm Channel 0 (Low Byte) 13 Low Alarm Channel 0 (High Byte) 14 High Alarm Channel 0 (Low Byte) 15 High Alarm Channel 0 (High Byte) 16 Low Low Alarm Channel 0 (Low Byte) 17 Low Low Alarm Channel 0 (High Byte) 18 High High Alarm Channel 0 (Low Byte) 19 High High Alarm Channel 0 (High Byte) 20 Temperature Units Channel 0 21 Cold Junction Enable Chan 0 22 Cold Junction Offset Chan 0 (Low Byte) 23 Cold Junction Offset Chan 0 (High Byte) 24 Low Engineering Channel 1 (Low Byte) 25 Low Engineering Channel 1 (High Byte) 26 High Engineering Channel 1 (Low Byte) 27 High Engineering Channel 1 (High Byte) 28 Alarm Disable Channel 1 29 Alarm Latch Channel 1 30 Notch Filter Channel 1 31 Sensor Type Channel 1 32 Digital Filter Channel 1 (Low Byte) 33 Digital Filter Channel 1 (High Byte) 34 Low Alarm Channel 1 (Low Byte) 35 Low Alarm Channel 1 (High Byte) 36 High Alarm Channel 1 (Low Byte) 37 High Alarm Channel 1 (High Byte) 38 Low Low Alarm Channel 1 (Low Byte) 39 Low Low Alarm Channel 1 (High Byte)

Publication 1734-UM016A-EN-P - October 2010

40 High High Alarm Channel 1 (Low Byte) 41 High High Alarm Channel 1 (High Byte) 42 Temperature Units Channel 1

1734/1738 I/O Module Assembly Information 67

Configuration Assembly Instance 103

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

43 Cold Junction Enable Chan 1 44 Cold Junction Offset Chan 1 (Low Byte) 45 Cold Junction Offset Chan 1 (High Byte)

Produced Input Data Assembly 101

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Channel 0 Data (Low Byte) 1 Channel 0 Data (High Byte) 2 Channel 1 Data (Low Byte) 3 Channel 1 Data (High Byte) 4 Channel 0 Status 5 Channel 1 Status 6 CJC Data (Low Byte) 7 CJC Data (High Byte)

Synchronous Serial Interface Modules

Use the tables shown below for the following modules:

• 1734-SSI or 1738-SSIM12

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0Run 1 Gray/Binary 2 SSI Word Length 3 Data Rate 4 Gray to Binary Conversion 5 Standardization 6 SSI Word Delay Time (Low Byte) 7 SSI Word Delay Time (High Byte) 8 Trailing bits 9 Latch Input Control 10 Sensor Resolution (Low Byte) 11 Sensor Resolution (High Byte)

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68 1734/1738 I/O Module Assembly Information

Configuration Assembly Instance 123

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

12 Sensor Cycles (Low Byte) 13 Sensor Cycles (High Byte) 14 SSI Word Filter Control 15 Alignment (reserved = 0) 16 Comparator 1 Value [Low Byte] 17 Comparator 1 Value [1] 18 Comparator 1 Value [2] 19 Comparator 1 Value [High Byte] 20 Comparator 2 Value [Low Byte] 21 Comparator 2 Value [1] 22 Comparator 2 Value [2] 23 Comparator 2 Value [High Byte] 24 Comparator 1 Control 25 Comparator 2 Control

Produced Input Data Assembly 101

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Present SSI Word [Low Byte] 1 Present SSI Word [1] 2 Present SSI Word [2] 3 Present SSI Word [High Byte] 4 Latched SSI Word [Low Byte] 5 Latched SSI Word [1] 6 Latched SSI Word [2] 7 Latched SSI Word [High Byte] 8 Module Status (Low Byte) 9 Module Status (High Byte)

Consumed Output Data Assembly 102

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Master Ack Byte Output Control 1 Reserved = 0

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1734/1738 I/O Module Assembly Information 69

Address Reserve Module

Use the table shown below for the 1734-ARM. This module has no configuration and does not consume any I/O data.

Produced Input Data Assembly 4

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Reserved = 0

ASCII Interface Modules

Use the tables shown below for the following modules:

• 1734-232ASC

• 1734-485ASC

• 1738-232ASCM12 or 1738-48ASCM12

Configuration Assembly Instance 103

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 ASCII Serial Character Format 1 ASCII Serial Comm Speed 2 ASCII Max Number of Receive Characters 3 ASCII Receive Record Start Mode 4 ASCII Receive Start Delimiter 5 ASCII Receive Record End Mode 6 ASCII Receive End Delimiter 7 ASCII Receive String Data Type 8 ASCII Pad Mode 9 ASCII Pad Character 10 ASCII Receive Swap Mode 11 Handshake Mode 12 ASCII Max Number of Transmit Characters 13 ASCII Transmit End Delimiter Mode 14 ASCII Transmit End Delimiter Character

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70 1734/1738 I/O Module Assembly Information

Configuration Assembly Instance 103

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

15 ASCII Consume String Data Type 16 ASCII Transmit Swap Mode 17 Transmit Handshake Mode

The format and length of the Produced and Consumed I/O assemblies vary with the configuration of the module. For more information regarding the specific fields of these assemblies and how they are impacted by the configuration, refer to the product user manual.

Produced Input Data Assembly 101

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 RX Transaction ID 1 Status 2

3

Reserved or Length

(2)

4 ASCII Data (from 1 to 128 bytes)

(1)

N

(1)

(2)

<CR> Terminator

The length of the assembly depends on the amount of ASCII Data transmitted.

The meaning of these fields depends on the configuration of the module.

Consumed Output Data Assembly 102

Byte Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1Bit 0

0 Reserved 1 TX Transaction ID 2 Reserved 3 Length 4 ASCII Data (from 1 to 128 bytes)

(1)

N

(1)

<CR> Terminator

The length of the assembly depends on the amount of ASCII Data transmitted.

Publication 1734-UM016A-EN-P - October 2010

Index

Numerics

16 bit numbers 33 16-bit boundary 1734/1738 I/O module

assembly information

1734-ARM module 6 bytes

28

6

31

7

A

AC output

modules two-channel

Active Output Assembly adapter

data exchange

add hardware Address Reserve Module alignment

Byte Double Word Fixed Size per Slot option Word

alignment options analog I/O modules ARM module Array data assemblies

configuration data I/O input produced

Assembly assembly

configuration data information output data produced structure

assembly connection

about RSLogix5000

Automatic Device Replacement

43

46

1

17

28

6, 23

20, 23

7, 10, 20, 23

20, 28

28

20, 23

6

32

23

34

43

46

37, 38, 40

34, 35

43, 46

23

34, 46, 1, 16, 24, 26, 27, 43

34

31, 37, 38, 39, 40 37, 38, 39, 40

23, 25, 26, 28

23

1, 5, 13

1

16, 13

B

boundaries 6

10, 18

byte

7

DINT

6, 7

fixed

7

boundary

16-bit

6

double word

Byte

data

6

6, 23

byte

aligned least significant most significant

byte boundaries

6, 10

23

33 33

6

C

chassis 23

16

size

chassis size choose a connection CIP packets CompactLogix

controllers

configuration

assembly instance connection data header setting tab tag

configuration assemblies configuration assembly Configuration Setting

tab

configure

assembly connection

connection

all-inclusive backplane choose I/O listen only Listen-Only name originator parameters Rack Optimized request size tab

connection name connection points

supported

connection request connection size

calculated Invalid

5, 19

1

7

1 5, 34, 45

31

2

16

18, 19

16, 31

18, 19

7, 34, 37, 38, 39, 40, 46

15

5

13

1, 2, 5, 7, 13

2

1, 2, 5

2, 5

2

14

2, 7, 13

18, 2, 14

1

7, 8, 9, 21

9, 15, 2, 3

14

2

3

8

9

11, 9

10

43

71 Publication 1734-UM016A-EN-P - October 2010

72 Index

resolve 10 validate

connection tab connection type Consumed consumed I/O assembly Controller Organizer

pane

controller tags

option

ControlLogix conventions

10

14

1

43

17

19

1

vi

D

data

alignment boundaries exchange headers multi-byte SINT values

data alignment data assemblies data assembly data boundaries data headers data structure different

connection styles

direct connections discrete

modules

discrete diagnostic input

sixteen-channel

discrete I/O discrete input

eight-channel four-channel two-channel

discrete input/output

eight-channel

discrete output

eight-channel four-channel sixteen-channel two-channel

double word

boundary

6, 34

7

1

2

33

18

33

6, 10, 16

46

34

7

2

7

31

1

34, 35

35 35 34

configurable

37, 38, 40

40, 41 38

37, 38

7, 23

6

2

1

43

45

44

43

double word boundaries

6

E

eight-channel 35, 40

configurable discrete input/output modules discrete input modules

EtherNet/IP

network profile

EtherNet/IP profile

generic

exchange

data

13

16

1

35, 41, 40

F

fixed boundaries 6 Fixed Size per Slot Fixed size per slot

alignment

Forward_Open service four-channel

discrete diagnostic input modules relay and AC output modules

28

9

38

43

H

hardware

add

17

I

I/O assemblies 45 I/O configuration I/O data I/O module

I/O modules I/O packet input

input assemblies input data

input modules

1, 6

analog and specialty configuration discrete

19

tag

SINT

18

discrete

17

32

20

31

1

6

35

34, 35

45

41, 35, 39, 38

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Index 73

insert connection 14 intelligent tags Invalid Connection Size

16

L

layout 33 least significant byte Listen-Only

connections originators

little endian

1

20, 33

33

2, 14

M

manuals

C tag I tag O tag

7

19

33

15

2

minimal Monitor tag

Monitor tags most significant byte Multicast multiple originators

O

O-->T 9

16

O2T order

first

33

last sequential

ordering

method

Originator to Target originators

multiple

output

consumed tag

output assembly

33

2

46

19

46

P

packet size

limitation

7

10

17

pane Point to Point Produced produced assemblies profile

EtherNet/IP

properties

connection

publications

43

43, 46

16

14

v

R

Rack Optimized 1

connections direct connections

related documentation related publications relay output

two-channel

Remove and Insert Under Power Requested Packet Interval RIUP

2

RSLogix5000 RSNetWorx RSNetWorx for EtherNet/IP Run/Idle header

1, 2

1

v

43

15

16

7, 8, 13, 15

13

15

S

scanlist configuration 13 SINT

18

data input data

sixteen-channel

discrete diagnostic input modules

Size

Consumed Produced

size

connection

Size per Slot specialty I/O modules Status header

64-bit

status header

optional

supported

connection points

18

31

9

6

32

1, 2, 3

1

7, 9, 18

2

43, 44

Publication 1734-UM016A-EN-P - October 2010

74 Index

T

T-->O 9 T2O

16

tag arrays

unstructured

Target to Originator troubleshooting

connection size errors

two-channel

discrete Input modules relay and AC output modules

16

2

10

34, 37

34, 38, 37

U

unstructured tag arrays 16

V

values

33

data

43

W

word 6, 23 word boundaries

15

words

6

Publication 1734-UM016A-EN-P - October 2010

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Installation Assistance

If you experience a problem within the first 24 hours of installation, review the information that is contained in this manual. You can contact Customer Support for initial help in getting your product up and running.

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Use the Worldwide Locator your local Rockwell Automation representative.

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Publication 1734-UM016A-EN-P - October 2010 76

Rockwell Automation 1738 Assembly User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Important User Information

Table of Contents

Preface

Why Read This Manual

Who Should Use This Manual

About the Vocabulary

Related Documentation

Common Techniques Used in this Manual

About Assembly Connections

Choose a Connection

Data Headers

Listen Only Connections

Connection Points

About This Chapter

Configure the Connection

Chassis Size

Data Alignment

Individual Module Configuration Options

Module Configuration Sent with the Connection Request

Module Configuration with RSNetWorx for DeviceNet

Calculate the Connection Size

Connection Size Calculation Example

Troubleshooting Connection Size Errors

Use an Assembly Connection with RSNetWorx for EtherNet/IP

Use an Assembly Connection with RSLogix5000

Add the Hardware to the I/O Configuration Tree

Enter the Connection Parameters

Build the Configuration Tag

Assembly Structure Examples

Byte, Word, and Double Word Alignment

Fixed Size per Slot Alignment

Discrete Modules

Analog and Specialty I/O Modules

Data Format

Module Specific Details

Two-channel Discrete Input Modules

Four-channel Discrete Input Modules

Eight-channel Discrete Input Modules

Two-channel Discrete Output Modules with Status

Two-channel Discrete Output Modules

Four-channel Discrete Output Modules with Status

Four-channel Discrete Output Modules

Eight-channel Discrete Output Modules with Status

Eight-channel Discrete Output Modules

Four-channel Discrete Diagnostic Input Modules

Two-channel Relay and AC Output Modules

Four-channel Relay and AC Output Modules

Sixteen-channel Discrete Diagnostic Input Modules

Sixteen-channel Discrete Output Modules

Eight-channel Configurable Discrete Input/Output Modules

Very High Speed Counter Modules

Counter Modules

Two-channel Analog Input Modules

Four-channel Analog Input Modules

Eight-channel Analog Input Modules

Two-channel Analog Output Modules

Four-channel Analog Output Modules

Two-channel RTD Input Modules

Two-channel Thermocouple Input Modules

Synchronous Serial Interface Modules

Address Reserve Module

ASCII Interface Modules

Index

Numerics