Allen-Bradley POINT I/O User Manual

Publication 1734-UM014A-EN-P - November 2010
About the Adapters 3
Empty Slots and RIUP Situations
The POINT I/O system cannot detect an empty terminal base. For this
reason, there are numerous situations in which you can potentially configure a
system that is unusable or one that exercises unintended control.
In an attempt to address these situations, you must observe the following rules
for I/O system construction and the
removal and reinsertion of modules.
• A correct I/O system does not have any empty terminal bases.
• After you cycle power, the adapter will not allow any I/O connections
until the number of modules comprising the chassis plus one for the
adapter equals the stored chassis size.
– It cannot assume any safe operation until there is a match between
the number of modules indicating their presence in the chassis and
what the adapter has saved in non-volatile memory because it cannot
detect empty terminal bases.
– Actual module identification (such as, electronic keying) is done
when connection establishment requests are received from the
controller or controllers.
• A POINT I/O module removed under power does not disrupt
operation of the other I/O modules. On the other hand,
ArmorPOINT I/O modules are not intended to be removed under
power.
– When you remove a module, the adapter detects what changed.
– Whenever you remove a module with an active connection from the
POINT I/O system, the adapter indicates this by flashing the
POINTBus Status LED red and reports a minor recoverable fault.
• If more than one contiguous module is removed under power,
connections to all modules in the contiguous missing module set are
disallowed until all modules are replaced. Because the adapter cannot
detect an empty base, it does not know the physical positioning of the
modules until all the missing modules are replaced.
• If a module separating two sets of contiguous missing modules is
removed, the two sets merge into a single set. All the modules must be
replaced before connections are permitted to any module in the set.
• If modules of different types are removed and returned to the wrong
locations, attempts to connect to these modules will fail during
verification of the electronic ID (providing that keying has not been
disabled).
• If modules of the same type are removed and returned to the wrong
locations, they accept connections from the controller or controllers and
reconfigure with the correct data once they pass their electronic keying
check.

Allen-Bradley POINT I/O Specifications

General

Power Supply	24V DC
Mounting	DIN Rail
Wiring Method	Removable terminal blocks
Communication Protocols	EtherNet/IP, DeviceNet, ControlNet
Operating Temperature Range	-20°C to 60°C (-4°F to 140°F)
Number of Channels	Varies by module (e.g., 8, 16, 32)
Certifications	CE, cUL
Type	Digital and Analog I/O Modules
Output Voltage	24V DC

Summary

Chapter 1 About the Adapters

Important Adapter Considerations

Notes important considerations before using the adapter and warns about module compatibility.

Set the Chassis Size

Explains the procedure for configuring the chassis size for I/O connections.

Specify the Requested Packet Interval (RPI)

Support of Rack-optimized and Direct Connections

Chapter 2 Install Your Adapter

Mount the I/O Adapter

Mount the POINT I/O Adapter on a DIN Rail

Mount the ArmorPOINT I/O Adapter and Base on a Wall or Panel

Install the POINT I/O Adapter Module

Install the ArmorPOINT I/O Adapter Module

Wire the POINT I/O Adapter

Wire the ArmorPOINT I/O Adapter

Chapter 3 Configure the Adapter for Your EtherNet/IP Network

Configuration Requirements

Outlines requirements for configuring IP address, subnet mask, and gateway address.

IP Address

Set the Network Address

Set the Network Address for POINT I/O Adapter

Set the Network Address for ArmorPOINT I/O Adapter

Use the Rockwell BootP/DHCP Utility

Guides on using the BootP/DHCP utility for IP address configuration.

Use DHCP Software to Configure Your Adapter

Warns about using DHCP and recommends fixed IP addresses for stability.

Chapter 4 Configure the Adapter for Direct Connection in RSLogix 5000 Software

Configure the I/O

Details adding modules to the controller's I/O configuration.

Add the POINT I/O Adapter to the I/O Configuration

Describes adding the POINT I/O adapter as a child of the Ethernet bridge.

Add the POINT I/O Modules to the I/O Configuration

Guides adding POINT I/O modules to the configuration list.

Create the Ladder Program

Configure the Adapter with Fixed IP Address

Details configuring a fixed IP address to maintain communication.

Recover From an Overloaded Adapter

Chapter 5 Configure the Adapter for Direct Connection and Rack Optimization in RSLogix 5000 Software

Set Up the Hardware

Describes setting up the I/O hardware for a ControlLogix system.

Create the Example Application

Configure the I/O Modules

Details adding I/O modules to the controller I/O configuration.

Add the Local EtherNet/IP Bridge to the I/O Configuration

Explains adding the EtherNet/IP bridge module to the I/O configuration.

Add the I/O Adapter to the I/O Configuration

Describes adding the I/O adapter as a child of the Ethernet bridge.

Add the POINT I/O Module and Configure for Rack-optimized Connection

Guides adding POINT I/O modules and configuring rack-optimized connections.

Add the POINT I/O Module and Configure For Direct Connection

Guides adding POINT I/O modules and configuring direct connections.

Download the Program to the Controller

Provides steps to download the program to the ControlLogix controller.

Verify the Module Chassis Size

Explains synchronizing chassis size from software to hardware.

Access Module Data

Appendix A EtherNet/IP I/O Adapter Specifications

General Specifications – POINT I/O and ArmorPOINT I/O 2 Port EtherNet/IP Adapters 1734-AENTR, 1738-AENTR

Lists general specifications for POINT and ArmorPOINT I/O 2 Port EtherNet/IP Adapters.

Specifications – POINT I/O 2 Port EtherNet/IP Adapter 1734-AENTR

Specifications – ArmorPOINT I/O 2 Port EtherNet/IP Adapter 1738-AENTR

Appendix B Adapter Web Dialogs

Work with the Diagnostics Pages

Use the Diagnostic Overview Page

Use the Network Settings Page

Use the Ethernet Statistics Page

Use the I/O Connections Page

Work with the Configuration Pages

Use the Network Configuration Page

Appendix C Configure the RSLinx Ethernet Communication Driver

Install the RSLinx Software

Provides instructions for installing the RSLinx software.

Configure the AB_ETH Driver

Details configuring the AB_ETH Ethernet communication driver.

Configure the AB_ETH/IP Driver

Explains how to configure the AB-ETHIP Ethernet communication driver.