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Nicotra DDMP 9/9 User Manual

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1
Rev. 2 – 10
th
November2015
DDMP FAN
Operating Manual
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Nicotra DDMP 9/9 Specifications

General IconGeneral
BrandNicotra
ModelDDMP 9/9
CategoryFan
LanguageEnglish

Summary

Definitions and Warnings

Qualified Personnel

Defines who is qualified to work on the equipment.

Intended Use and Reading Instructions

Specifies intended use and emphasizes reading safety instructions.

Safety Instructions

General Safety Guidelines

Covers general warnings, cautions, and notes for safe operation.

Safety Categories and Procedures

Driver Specifications

Connection

Analog Signal Command

Speed Relationship

Illustrates fan speed proportional to analog input voltage.

Parallel Fan Control and Performance

Fan Performance Curve Description

Explains fan performance based on speed and load.

Performance Curve Explanation

Working Point Example

Illustrates a working point on the performance curve with limits.

Parallel Analog Signal Control

Constant Airflow Mode

Master/Slave Functioning

Thermal Protection

Driver Derating

Explains how the driver reduces performance due to overheating.

Motor Thermal Protector

Describes the motor's protection against overheating.

Modbus Communication

Protocol and Functions

Details Modbus RTU protocol and supported functions.

Holding Registers

Register Descriptions

Lists and describes available Modbus holding registers.

Default Register Values

1KW and 2KW Driver Parameters

Provides default values for Modbus registers across fan models.

Modbus Address and Fan Limits

Fan Speed, Current, and Power Limits

Details limits for speed, current, and power based on fan models.

Adjusting Fan Limits

Reducing Max Current

Alarm Handling

Alarm Monitoring and Driver Actions

Explains how alarms are monitored and driver responses.

Modbus Alarm Registers

Alarm Description and Actions

Maps Modbus registers to alarm descriptions and actions.

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