Danfoss FC 300 Interbus Manuale utente

Contents

2. Introduction

About this Manual 5

Technical Overview 5

Assumptions 5

Hardware 5

Background Knowledge 5

Abbreviations 6

3. How to Install

Cabling 7

Installation of Option 8

LEDs 10

Configure the FC 300 11

4. How to Configure the System

Configure the Interbus Network 13

5. How to Control the FC 300

Process Data 17

The Drivecom State Machine 21

Drivecom 21 Control Profile 24

Danfoss FC Control Profile 26

6. How to Access the FC 300 Parameters

PCP Communication 31

7. Parameters

Data Types Supported by FC 300 39

8. Troubleshooting

LED Behaviour Stopped Interbus Comm. 43

Index

FC 300 Interbus Operating Instructions Contents

MG.33.H3.02 - VLT is a registered Danfoss trademark

1. Safety Note - FC 300 Interbus FC 300 Interbus Operating Instructions

MG.33.H3.02 - VLT is a registered Danfoss trademark

1.1.1. Copyright, Limitation of Liability and Revision Rights

This publication contains information proprietary to Danfoss A/S. By accepting and using this manual the user agrees that the information contained

herein will be used solely for operating equipment from Danfoss A/S or equipment from other vendors provided that such equipment is intended for

communication with Danfoss equipment over an Interbus serial communication link. This publication is protected under the Copyright laws of Denmark

and most other countries.

Danfoss A/S does not warrant that a software program produced according to the guidelines provided in this manual will function properly in every

physical, hardware or software environment.

Although Danfoss A/S has tested and reviewed the documentation within this manual, Danfoss A/S makes no warranty or representation, either express

or implied, with respect to this documentation, including its quality, performance, or fitness for a particular purpose.

In no event shall Danfoss A/S be liable for direct, indirect, special, incidental, or consequential damages arising out of the use, or the inability to use

information contained in this manual, even if advised of the possibility of such damages. In particular, Danfoss A/S is not responsible for any costs including

but not limited to those incurred as a result of lost profits or revenue, loss or damage of equipment, loss of computer programs, loss of data, the costs

to substitute these, or any claims by third parties.

Danfoss A/S reserves the right to revise this publication at any time and to make changes in its contents without prior notice or any obligation to notify

previous users of such revisions or changes.

FC 300 Interbus Operating Instructions 1. Safety Note - FC 300 Interbus

MG.33.H3.02 - VLT is a registered Danfoss trademark

1.2. Safety Note

The voltage of the frequency converter is dangerous whenever connected to mains. Incorrect installation of the motor, frequency

converter or fieldbus may cause damage to the equipment, serious personal injury or death. Consequently, the instructions in this

manual, as well as national and local rules and safety regulations, must be complied with.

1.2.1. Safety Regulations

1. The frequency converter must be disconnected from mains if repair work is to be carried out. Check that the mains supply has been disconnected

and that the necessary time has passed before removing motor and mains plugs.

2. The [OFF] key on the control panel of the frequency converter does not disconnect the equipment from mains and is thus not to be used as a

safety switch. 3. Correct protective earthing of the equipment must be established, the user must be protected against supply voltage, and the

motor must be protected against overload in accordance with applicable national and local regulations.

3. Correct protective earthing of the equipment must be established, the user must be protected against supply voltage, and the motor must be

protected against overload in accordance with applicable national and local regulations.

4. The earth leakage currents are higher than 3.5 mA.

5. Protection against motor overload is not included in the factory setting. If this function is desired, set par. 1-90 Motor

Thermal Protection

data value

ETR trip

or data value

ETR warning

. Note: The function is initialised at 1.16 x rated motor current and rated motor frequency. For

the North American market: The ETR functions provide class 20 motor overload protection in accordance with NEC.

6. Do not remove the plugs for the motor and mains supply while the frequency converter is connected to mains. Check that the mains supply has

been disconnected and that the necessary time has passed before removing motor and mains plugs.

7. Please note that the frequency converter has more voltage inputs than L1, L2 and L3, when load sharing (linking of DC intermediate circuit) and

external 24 V DC have been installed. Check that all voltage inputs have been disconnected and that the necessary time has passed before

commencing repair work.

1.2.2. Warning Against Unintended Start

1. The motor can be brought to a stop by means of digital commands, bus commands, references or a local stop, while the frequency converter

is connected to mains. If personal safety considerations make it necessary to ensure that no unintended start occurs, these stop functions are

not sufficient.

2. While parameters are being changed, the motor may start. Consequently, the stop key [STOP/RESET] must always be activated; following which

data can be modified.

3. A motor that has been stopped may start if faults occur in the electronics of the frequency converter, or if a temporary overload or a fault in

the supply mains or the motor connection ceases.

1.2.3. Warning

Touching the electrical parts may be fatal - even after the equipment has been disconnected from mains.

Also make sure that other voltage inputs have been disconnected, such as external 24 V DC, load sharing (linkage of DC intermediate circuit), as well as

the motor connection for kinetic back up.

Please refer to the relevant Operating Instructions for further safety guidelines.

1. Safety Note - FC 300 Interbus FC 300 Interbus Operating Instructions

MG.33.H3.02 - VLT is a registered Danfoss trademark

2. Introduction

2.1.1. About this Manual

First time users can obtain the most essential information for quick installation and set-up in these chapters:

Introduction

How to Install

How to Configure the System

For more detailed information including the full range of set-up options and diagnosis tools please refer to the chapters:

How to Control the FC 300

How to Access FC 300 Parameters

Parameters

Troubleshooting

2.2.1. Technical Overview

The Interbus system is divided into two different systems: remote and local.

The remote system enables the user to connect up to 256 stations on a single system with a maximum of 400m cable length between stations.

The local bus system enables the user to establish communication to Input/Output devices through a single twisted pair of Cables. This type of commu-

nication typical uses simple devices, e.g. Digital I/O devices.

The Interbus option described in this manual supports remote bus only. For communication on the remote bus, the Interbus system provides two different

types of communication: Process Data and PCP (Peripherals Communication Protocol). The Process Data is cyclic communication to devices with high

priority.

Examples of this type of communication are digital and analogue I/O or control word and reference to frequency converters.

PCP communication is used for communications which do not require high speed and typically only are activated on request from the user-written program.

Typical time to read/write a single value is 100 to 200 milliseconds. Examples of this type of communication are configuration data, or reading of service

parameters such as running hours, numbers of power ups and kWh.

2.3.1. Assumptions

This manual assumes that you are using a Danfoss Interbus Option in conjunction with a Danfoss FC 300 Automation Drive. It is also assumed that your

master is a PLC or PC that is equipped with a serial communication card supporting all the Interbus communication services required by your application,

and that all requirements stipulated in the Interbus standard as well as those set up in the Drivecom frequency converter Profile and its company-specific

implementation, as well as those pertaining to the VLT frequency converter are strictly observed as well as all limitations therein fully respected.

2.4.1. Hardware

This manual relates to the Interbus option type no. 130B1211.

2.5.1. Background Knowledge

The Danfoss Interbus Option is designed to communicate with any master abiding by the Interbus standard. It is therefore assumed that you have full

knowledge of the PC or PLC you intend to use as a master in your system. Any questions pertaining to hardware or software produced by any other

manufacturer are beyond the scope of this manual and are of no concern to Danfoss.

If you have questions about how to set up master-to-master communication or communication to a non-Danfoss slave, please consult the appropriate

manuals.

FC 300 Interbus Operating Instructions 2. Introduction

MG.33.H3.02 - VLT is a registered Danfoss trademark

The following literature is available for the , 200 and series.

Title Literature no.

Operating Instructions MG.11.AX.YY

Design Guide MG.11.BX.YY

Programming Guide MG.11.CX.YY

VLT AQUA Drive FC 200 Operating Instructions MG.20.NX.YY

VLT AQUA Drive FC 200 Design Guide MG.20.MX.YY

VLT AQUA Drive FC 200 Programming Guide MG.20.OX.YY

VLT AutomationDrive FC 300 Operating Instructions MG.33.AX.YY

VLT AutomationDrive FC 300 Design Guide MG.33.BX.YY

VLT AutomationDrive FC 300 Programming Guide MG.33.MX.YY

VLT AutomationDrive , 200 and 300 PROFIBUS Operating Instructions MG.33.CX.YY

VLT AutomationDrive , 200 and 300 DeviceNet Operating Instructions MG.33.DX.YY

VLT AutomationDrive FC 300 MCT 10 Software Dialogue MG.33.EX.YY

PROFIBUS DP V1 Design Guide MG.90.EX.YY

2.7.1. Abbreviations

ACK ACKnowledge

BOOL Boolean

CTW Control Word

EDS Electronic Data Sheet

EMC Electromagnetic Compatibility

HF High Frequency

HPFB High Performance Field Bus

IBS Interbus

I/O Input/Output

LCD Liquid Crystal Display

LCP Local Control Panel

LED Light Emitting Diode

LSB Least Significant Bit

MSB Most Significant Bit

MAV Main Actual Value

MRV Main Reference Value

N/A Not applicable

PC Personal Computer

PCD Process Data

PCP Peripherals Communication Protocol

PIW Peripheral input word

PLC Programmable Logic Control

PNU Parameter NUmber

PPO Parameter-Process Data Object

SINT Signed integer

STW Status Word

VSD Variable Speed Drive

UDINT Unsigned double integer

UNIT Unsigned integer

2. Introduction FC 300 Interbus Operating Instructions

MG.33.H3.02 - VLT is a registered Danfoss trademark

3. How to Install

3.1.1. Cabling

The Interbus network topology is based on a logical ring structure, implemented in a one-cable structure, making a physical bus structure with a bit rate

of 500 kbps.

Interbus supports networks with a total cable length of up to 12.8 km, with a maximum of 400 meters between nodes.

The maximum cable length is only achievable when the bus cable has the following properties:

Impedance: 120 ohm ±20% @ 64kHz, 100 ohm ±15% @ >1 MHz.

Resistance: < 9.6 ohm/100 m

Capacity: < 60 nF/km

Cross section: minimum 0.2 mm2, corresponding to AWG 25

Cable type: twisted in pairs, 3 x 2 wires

Screening: Copper-braided screen or braided screen and foil screen

Use of the same cable type throughout the entire network is recommended in order to avoid impedance mismatch.

The Interbus option has two network interfaces, one for the incoming bus and one for the outgoing bus. Both are D-sub 9 type.

FC 300 Interbus Operating Instructions 3. How to Install

MG.33.H3.02 - VLT is a registered Danfoss trademark

3.2.1. EMC Precautions

The following EMC precautions are recommended in order to achieve interference-free operation of the Interbus network. Additional EMC information is

available in the FC 300 series Operating Instructions (MG33AXYY) and Design Guide (MG33BXYY).

NB!

Relevant national and local regulations, for example regarding protective earth connection, must be observed.

The Interbus communication cable must be kept away from motor and brake resistor cables to avoid coupling of high frequency noise from one cable to

the other. Normally a distance of 200 mm (8 inches) is sufficient, but maintaining the greatest possible distance between the cables is recommended,

especially where cables run in parallel over long distances. If the Interbus cable has to cross a motor and brake resistor cable they must cross each other

at an angle of 90 degrees.

3.3.1. Installation of Option

The Interbus option is installed in its own cabinet, designed for DIN-rail mounting.

The option is connected to the FC 302 via terminal X22 on the option to terminal 68 and 69 on the frequency converter. Screened cable is recommended

(120 cm cable supplied with frequency converter).

3. How to Install FC 300 Interbus Operating Instructions

MG.33.H3.02 - VLT is a registered Danfoss trademark

The RS-485 termination switch on the FC 300 (BUS-TER.) must be set to “ON”.

Interbus option FC 302

X22-1 61 (RS 485 com)

X22-2 68 (RS 485 +)

X22-3 69 (RS 485 -)

X22-4 chassis on FC 300

NB!

Grounding of the Interbus option is mandatory and can be achieved in several ways:

-Via the DIN-rail

-Via the connections X23-4 or X22-4

3.3.2. I/O Specifications

X22: FC-bus X23: Power supply X24+25: Digital I/O

RS-485 Voltage level: 24 V dc ± 15%

Current consumption: max. 160 mA ex-

cluding load on digital outputs.

Digital inputs:

Voltage level: 0-24 V DC

Voltage level, logic “0”:< 5 V DC

Voltage level, logic “1”:> 9 V DC

Maximum input voltage: 28 V DC

Minimum input voltage: -28 V DC

Frequency range: DC to 250 Hz

Duty cycle min. pulse width: 2 ms

Input resistance: approx. 4 kΩ

Digital outputs:

Voltage level: 0-24 V DC (open collector

PNP) short-circuit protected.

Maximum output current: 25 mA

FC 300 Interbus Operating Instructions 3. How to Install

MG.33.H3.02 - VLT is a registered Danfoss trademark

3.3.3. General Specifications

Operating temperature ÷10 - +55°C

Max. relative humidity 5% - 95% non condensing

Enclosure IP 20

3.4.1. LEDs

Name Colour Indicates ON OFF

Out 1 - Out 2 Green State of outputs* Output high Output low

In 1 - In 4 Green State of inputs Input high Input low

FC BUS Green Activity on FC-Bus

RD Red Status of outgoing bus Out. bus stopped Out. bus active

TR Green Transmit/Receive PCP comm. running No PCP comm.

BA Green Bus Active Bus active Bus stopped

CC Green Cable check Incoming bus active Incoming bus off

UL Green Power O.K. Voltage O.K. No voltage

*= Flashing by external short circuit.

3. How to Install FC 300 Interbus Operating Instructions

MG.33.H3.02 - VLT is a registered Danfoss trademark

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