Allen-Bradley PowerFlex 755T User Manual

Rockwell Automation Publication 750COM-UM009A-EN-P - May 2017 99
Using Explicit Messaging Chapter 5
ControlLogix Controller
Examples
For supported classes, instances, and attributes, see Appendix D, EtherNet/IP
Objects.
Ladder Logic Program to Read a Single Parameter
A Get Attribute Single message is used to read a parameter. This read message
example reads the value of the 32-bit REAL (floating point) 10:3 - [Output
Current] in a PowerFlex 755T drive.
Table 10 - Example Controller Tags to Read a Single Parameter
Figure 19 - Example Ladder Logic to Read a Single Parameter
TIP To display the Message Configuration dialog box in RSLogix 5000® software,
add a message instruction (MSG), create a tag for the message (Properties:
Base tag type, message data type, controller scope), and click the
button in the message instruction.
IMPORTANT The Explicit Messaging examples in this section can be performed with
RSLogix 5000 software version 20 or Studio 5000® application, version 21 or
later.
IMPORTANT The read and write messaging examples in this section are for Device
parameters, which use Class Code 0x93. For Host parameters, use Class Code
0x9F and format the rest of the message in the same way as these examples.
Do not use the Service Type Parameter Read, which accesses the Parameter
object (class 0x0F). The Parameter object is not supported in PowerFlex 755T
drives.
Operand Controller Tags for Single Read Message Data Type
XIC Execute_Single_Read_Message BOOL
MSG Single_Read_Message MESSAGE

Allen-Bradley PowerFlex 755T Specifications

General

Altitude	Up to 1000 m (3280 ft) without derating
Power Range	0.75-2500 kW
Output Voltage	0…Rated Input Voltage
Control Methods	Sensorless Vector Control
Communication Options	EtherNet/IP, DeviceNet, ControlNet, PROFIBUS DP, PROFINET, EtherCAT
Enclosure Type	NEMA/UL Type 1, NEMA/UL Type 12
Operating Temperature	-20°C to 50°C (-4°F to 122°F)
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Relative Humidity	5…95% noncondensing
Input Voltage Range	200-240V AC, 380-480V AC, 500-690V AC

Summary

User Manual

Important User Information

Safety Warnings and Precautions

Provides critical safety information, including warnings for hazardous environments, personal injury, and equipment damage.

Chapter 1: Getting Started

Setup and Required Components

Details physical components, features, dual Ethernet ports, required equipment, and Ethernet switch selection.

Safety Precautions for Setup

Outlines essential safety measures to be followed during the initial setup and operation of the drive.

Chapter 2: Configure the Interface

IP Address Configuration Methods

Explains various methods for setting the IP address, including rotary switches, BOOTP, DHCP, and interface parameters.

Network Connection and Initial Power-Up

Covers connecting the interface to the network and the steps for applying power and checking status indications.

Key Drive Parameter Configuration and Fault Actions

Guides on configuring drive parameters, communication hierarchy, and fault actions for network communication.

BOOTP and DHCP Server Configuration

Details configuring IP addresses, subnet masks, and gateway addresses using BOOTP or DHCP servers.

Chapter 3: Configuring the Drive in a Logix System

Establishing Network Communication

Outlines establishing communication between a computer, network, and controller using RSLinx Classic software.

Adding Controller, Bridge, and Drive to I/O Configuration

Describes adding the ControlLogix controller, bridge, and drive to the I/O configuration in Studio 5000.

Chapter 4: Using the I/O

I/O Messaging and Control Concepts

Explains I/O messaging, ControlLogix I/O image structure, and the use of logic command/status and reference/feedback.

Datalink Functionality for Data Transfer

Explains using datalinks for transferring parameter values to/from the controller without explicit messages.

Ladder Logic Program Examples

Provides information on ladder logic program examples for drive control using AOPs.

Chapter 5: Using Explicit Messaging

Performing Explicit Messaging Operations

Describes the five basic events in the Explicit Messaging process for configuring and monitoring devices.

Reading and Writing Parameters via Explicit Messaging

Provides ladder logic programs and formatting for reading and writing single/multiple drive parameters using explicit messages.

Chapter 6: Troubleshooting

Interface Diagnostic Items and Status Indicators

Explains viewing diagnostic items and understanding drive/interface status indicators for troubleshooting.

Specific Indicator Troubleshooting

Details troubleshooting for ENET, LNK1, and LNK2 status indicators, covering causes and corrective actions.

Appendix A: Status Indicators

ENET Network Connection Status Indicator

Describes the red/green ENET status indicator and its meanings for network connection status.

LINK Status Indicators for Network Activity

Explains LNK1/LNK2 indicators for Ethernet connectors showing network link and activity.

Appendix B: Specifications

Communication and Regulatory Specifications

Details communication specs like protocol, data rates, and regulatory compliance information for the adapter.

Appendix C: Interface Parameters

Interface Parameter Organization and List

Explains parameter organization, viewing methods, and provides a detailed list of Port 0 parameters.

Appendix D: EtherNet/IP Objects

EtherNet/IP Object Definitions and Data Types

Defines EtherNet/IP objects like Identity, Assembly, and DPI Parameter, along with supported data types.

Appendix E: Logic Command/Status Words

Logic Command and Status Words Reference for Drives and Bus Supplies

Defines bit assignments for logic commands and status words for PowerFlex 755T drives and bus supplies.

Glossary

Key Definitions for Network Communication and Configuration

Defines terms like Adapter, ADC, BOOTP, DHCP, EtherNet/IP Network, Explicit Messaging, and IP Addresses.

Glossary of Operation, Protocol, and Data Terms

Defines terms for operation, protocols, and data like Fault Action, Gateway, HIM, Logic Command/Status, and Duplex.