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Vacon CX Series User Manual

Vacon CX Series
23 pages
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Modbus
Fieldbus
Option Board
USER’S MANUAL
Subject to changes without notice
VACON
CX/CXL/CXS
FREQUENCY CONVERTERS
F O R S M O O T H C O N T R O L
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Vacon CX Series Specifications

General IconGeneral
TypeMedia Converter
ModelCX Series
Power Supply24 VDC
ProtocolsEtherNet/IP
ConnectorsRJ45
Weight0.2 kg

Summary

1. General Information

2. Specifications

3. Modbus Protocol

3.1 Modbus Protocol Overview

Overview of the Modbus protocol for industrial communication and control.

3.2 Modbus Frame Structure

Details the structure and format of Modbus RTU frames used for communication.

3.3 Supported Modbus Functions

Lists and explains the Modbus function codes supported by the Fieldbus board for Vacon CX.

3.4 Modbus Error Detection

Explains mechanisms for detecting communication errors in Modbus, including CRC.

3.5 Modbus Exception Responses

Describes how slaves handle errors and inform the master via exception responses and codes.

4. Fieldbus Board Installation

Installation Steps

Step-by-step guide for physically installing the Fieldbus board into the frequency converter.

5. Connections and Terminals

5.1 Fieldbus Board Layout

Illustrates the physical layout of terminals and connectors on the Fieldbus board.

5.2 Modbus Connector Wiring

Details the wiring and pin assignments for the Modbus D-sub connector.

5.3 I/O and Control Connections

Describes the terminal connections for digital inputs, outputs, and other control signals.

6. Commissioning and Operation

Start-up Test: Drive Application

Procedure for initial testing of the drive application and Fieldbus control.

Master Software Control

Commands and expected responses for controlling the Vacon CX via Modbus master software.

7. Modbus-Vacon CX Interface

7.1 Modbus Function Code Overview

Overview of Modbus function codes used for Vacon CX control and monitoring.

7.2 VACON Control Interface

Explains direct control of Vacon CX using specific function codes and addresses.

7.3 VACON Parameter Access

Details how to read and write Vacon parameters and variables using Modbus.

7.4 Connections for Small Modbus Board

7.4.1 Board Layout

Illustrates the layout of the small Modbus board for Vacon CXS/CX2110PT.

7.4.2 Modbus Connections

Details the screw connector terminals for Modbus communication on the small board.

7.5 CX211OPT Option Board Installation

Installation Steps

Step-by-step guide for installing the CX211OPT option board in Vacon CXS drives.

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