Allen-Bradley POINT I/O 1734-232ASC User Manual

POINT I/O RS-232
ASCII Module
1734-232ASC
User Manual
Spare Allen-Bradley Parts

Allen-Bradley POINT I/O 1734-232ASC Specifications

General

Brand	Allen-Bradley
Model	POINT I/O 1734-232ASC
Category	Control Unit
Language	English

Summary

Important User Information

Chapter 1: Installing the RS-232 ASCII Module

Installing the I/O Module

Explains how to correctly key and insert an I/O module into the mounting base, with safety warnings.

Installing the Removable Terminal Block (RTB)

Describes the process of reinserting the removable terminal block (RTB) into the base unit.

Wiring and Cable Considerations

Explains wiring requirements, shielded cable necessity, and proper grounding techniques.

Reading Serial Data Input

Details steps to read data from serial devices, including configuration and monitoring.

Writing Serial Output Data

Explains how to send data to serial devices, covering data, length, and transaction ID parameters.

Setting Up DeviceNet I/O Connections

Guides on configuring serial links and I/O connections, including input/output sizes.

Operating Mode Selections: Handshake vs. Immediate

Produce vs. Master/Slave Handshake

Chapter 2: Configuring Your RS-232 ASCII Module

Adding the Module to the DeviceNet Network

Provides steps to add the module to the network using RSNetWorx software.

Adding POINT I/O Modules to the Network

Guides on adding I/O modules to the network and configuring their node addresses.

Module Parameter Configuration

Explains how to access and view module parameters through a pop-up screen with various tabs.

Editing and Downloading Module Parameters

Details editing parameters via the "Parameters" tab and downloading changes to the module.

Checking I/O Status and Viewing EDS File

POINT I/O Parameters

Receiving Serial Data from ASCII Devices

Explains how the module receives characters and transmits them to the DeviceNet master.

Setting Receive Character Buffer Length

Pad Mode Configuration and Usage

Delimiter Operation for Data Reception

Scanner I/O Receive Size Setup

Transmitting Serial Data to ASCII Devices

Describes data transmission from DeviceNet to ASCII devices via I/O or explicit messages.

Transmit Character Buffer Length

Transmit Delimiter Setup and Usage

Transmit Handshake vs. Transmit Immediate

Serial Data Transmission Logic

Scanner I/O Transmit Size Setup

Produce vs. Master/Slave Handshake Modes

Chapter 3: Diagnostics

Troubleshooting with Module Indicators

Explains how to interpret module and network status indicators for troubleshooting.

Module and Network Status Indicators

Lists module/network status indications and their probable causes for troubleshooting.

Appendix A: Specifications

1734-232ASC Module Specifications

Appendix B: ControlLogix System Application Examples

Reading Data into ControlLogix

Shows RSNetWorx mapping for reading data into ControlLogix, including header byte locations.

ControlLogix Ladder Logic for Data Reception

Illustrates ladder logic for monitoring transaction IDs and copying received data.

Transmitting Data from ControlLogix

Shows RSNetWorx mapping for transmitting data from ControlLogix via the module's header.

ControlLogix Ladder Logic for Data Transmission

Illustrates ladder logic for counter incrementing and updating transmit transaction IDs.