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Vacon NX OPTC2 User Manual

Vacon NX OPTC2
42 pages
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vacon nx
ac drives
optc2/c8
modbus/n2 option board
user manual
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Vacon NX OPTC2 Specifications

General IconGeneral
Product TypeFrequency Converter
CategoryIndustrial Electrical
Protection classIP20
Communication ProtocolRS-485
Operating temperature-10°C to +50°C
Storage temperature-40 to +70 °C
Humidity95% (non-condensing)
Communication interfaceRS-485

Summary

3. RS-485 Fieldbus Board Layout and Connections

3.3 Grounding Methods

Explains various grounding methods for the RS-485 fieldbus board.

3.3.1 Grounding by Clamping Cable to Converter Frame

Explains how to ground the cable shield using the converter frame for effective connection.

3.3.2 Grounding Only One Point on the Net

Describes an alternative grounding method where the shield connects to ground at only one point.

3.5 Bus Biasing

Explains the necessity of bus biasing for reliable RS-485 communication.

4. Installation of Vacon NX RS-485 Board

4.D Install RS-485 Option Board in Slot E

Instructs to install the board in slot E, ensuring the grounding plate fits.

5. Commissioning

5.1 Fieldbus Board Parameters

Explains how to commission the board using parameters in menu M7.

5.1 Fieldbus Board Parameters (Continued)

Lists RS-485 parameters like Protocol, Slave Address, and Baud Rate.

6. Modbus Protocol

6.1 Modbus RTU Protocol Introduction

Introduces the Modbus RTU protocol as an industrial communication system.

6.1.1 Supported Modbus Functions

Lists supported Modbus function codes like Read Holding Registers and Write Single Register.

6.2 Modbus Interface

6.2.1 Modbus Registers

Describes the mapping of Vacon variables and parameters to Modbus registers.

6.2.2 Modbus Process Data Overview

Explains the structure of process data fields for controlling and monitoring the drive.

6.2.5 Modbus Parameters

Details how parameters are activated and lists supported functions.

6.3 Modbus Start-up Test

7. Metasys N2 Protocol

7.2 Metasys N2 Interface Features

Lists features of the N2 interface for controlling and monitoring the drive.

7.3 Metasys N2 Point Map

8. Fault Tracking and Responses

8.1 RS-485 Option Board Faults

Lists fault codes, possible causes, and correcting measures for the RS-485 option board.