Danfoss VLT FC 360 User Manual

Bits no. 12-15 transfer parameter commands from master
to slave and return processed slave responses to the
master.
Parameter commands master ⇒ slave
Bit no. Parameter command
15 14 13 12
0 0 0 0 No command
0 0 0 1 Read parameter value
0 0 1 0 Write parameter value in RAM (word)
0 0 1 1 Write parameter value in RAM (double
word)
1 1 0 1 Write parameter value in RAM and
EEprom (double word)
1 1 1 0 Write parameter value in RAM and
EEprom (word)
1 1 1 1 Read text
Table 3.5 Parameter Commands
Response slave ⇒ master
Bit no. Response
15 14 13 12
0 0 0 0 No response
0 0 0 1 Parameter value transferred (word)
0 0 1 0 Parameter value transferred (double
word)
0 1 1 1 Command cannot be performed
1 1 1 1 text transferred
Table 3.6 Response
If the command cannot be performed, the slave sends this
response:
0111 Command cannot be performed
- and issues the following fault report in the parameter
value:
Error code
FC+ Specification
0 Illegal Parameter Number
1 Parameter cannot be changed.
2 Upper or lower limit exceeded
3 Subindex corrupted
4 No Array
5 Wrong Data Type
6 Not used
7 Not used
9 Description element not available
11 No parameter write access
15 No text available
17 Not while Running
18 Other error
100
>100
130 No bus access for this parameter
131 Write to factory set-up not possible
132 No LCP access
252 Unknown viewer
253 Request not supported
254 Unknown attribute
255 No error
Table 3.7 Slave Report
3.4.8
Parameter Number (PNU)
Bits no. 0-11 transfer parameter numbers. The function of
the relevant parameter is defined in the parameter
description in the VLT
®
AutomationDrive FC 360
Programming Guide.
3.4.9
Index (IND)
The index is used together with the parameter number to
read/write-access parameters with an index, for example,
15-30 Alarm Log: Error Code. The index consists of 2 bytes;
a low byte, and a high byte.
Only the low byte is used as an index.
3.4.10
Parameter Value (PWE)
The parameter value block consists of 2 words (4 bytes),
and the value depends on the defined command (AK). The
master prompts for a parameter value when the PWE block
contains no value. To change a parameter value (write),
write the new value in the PWE block and send from the
master to the slave.
When a slave responds to a parameter request (read
command), the present parameter value in the PWE block
is transferred and returned to the master. If a parameter
RS-485 Installation and Set...
VLT
®
AutomationDrive FC 360 Design Guide
MG06B202 - VLT
®
is a registered Danfoss trademark 45
3
3

Danfoss VLT FC 360 Specifications

General

Brand	Danfoss
Model	VLT FC 360
Category	DC Drives
Language	English

Summary

Introduction

How to Read This Design Guide

Guide on manual structure, symbols, and abbreviations.

Definitions and Concepts

Glossary of terms related to frequency converters, motors, references, and miscellaneous items.

Safety Precautions and Regulations

Essential safety warnings, regulations, and precautions for operation and maintenance.

CE Labelling and EMC Compliance

CE conformity, labelling, and compliance with EMC directives.

Environmental Considerations

Air humidity, aggressive environments, and vibration/shock specifications.

Product Overview

Enclosure Type Overview

Classification of enclosure types based on frame size and power.

Electrical Installation

Basic wiring schematic and terminal connections for the frequency converter.

Control Structures

Principles, modes, and internal structures of converter control including VVCplus.

Reference Handling

Systems for calculating and handling references for speed control, including limits and scaling.

PID Control

Configuration, parameters, optimization, and tuning of PID controllers for speed and process.

General Aspects of EMC

Information on EMC emissions, test results, and immunity requirements.

Electrical Safety and Isolation

Details on Galvanic Isolation (PELV) and Earth Leakage Current.

Brake Functions

Overview of brake functions, dynamic braking, and brake resistor selection.

Advanced Control and Protection

Smart Logic Controller, extreme running conditions, and motor thermal protection.

RS-485 Installation and Set-up

RS-485 Installation and Setup Introduction

Overview, network connection, hardware setup, and parameter settings for RS-485.

FC Protocol and Network Configuration

Overview of FC protocol, Modbus RTU, and network configuration parameters.

FC Protocol Message Framing Structure

Detailed breakdown of FC protocol message structure, fields, and bytes.

Examples of Modbus RTU Commands

Examples of reading/writing parameters and coils using Modbus RTU.

Modbus RTU Overview

Detailed explanation of Modbus RTU protocol operation and converter communication.

Modbus RTU Message Framing Structure

Details on Modbus RTU message structure, fields, and addressing.

How to Access Parameters

Methods for accessing parameters, including data types, storage, and conversion.

Application Examples

Application Examples

Examples for encoder connection, closed loop systems, and common functionalities.

Type Code and Selection

Ordering Information

How to order FC 360 series, using name plate and Drive Configurator.

Options and Accessories

List of available options and accessories for the FC 360.

Brake Resistor Ordering

Ordering numbers for 10% and 40% duty cycle brake resistors.

Sine-wave Filters

Information on Sine-wave filters for dampening acoustic motor noise.

Specifications

Power-dependent Specifications

Specifications related to power output, current, and mains supply.

General Specifications

Detailed electrical, mechanical, input/output, and environmental specifications.

Fuse Specifications and CE Compliance

Recommendations for fuses, circuit breakers, and CE compliance.

Efficiency, Noise, and dU/dt Conditions

Details on efficiency, acoustic noise, and dU/dt conditions.

Special Conditions and Derating

Manual and automatic derating based on special operating conditions.