Danfoss VLT 2800 User manual

VLT®2800 / FCD 300 DeviceNet
■Contents
Introduction ....................................................................................................... 3
About this manual .................................................................................................. 3
Assumptions .......................................................................................................... 3
What you should already know .............................................................................. 3
Available literature .................................................................................................. 4
Supplied with the unit ............................................................................................ 4
Product and Environment ...................................................................................... 5
Network ................................................................................................................. 5
User Profile ............................................................................................................ 5
Interface to DeviceNet Network ............................................................................. 5
Data Communication Interface ............................................................................... 5
Overall Function ..................................................................................................... 5
Control Card Self-test ............................................................................................ 5
Technical Data .................................................................................................. 6
Cable Lengths ........................................................................................................ 6
Topology ................................................................................................................ 6
Cable Specifications ............................................................................................... 6
Network Power Supply ......................................................................................... 6
Cable Cross Section .............................................................................................. 6
EMC Precautions ................................................................................................... 7
VLT Response Time ............................................................................................... 8
Electrical Installation .................................................................................... 9
VLT 2800 Connection of the Cable Screen ........................................................... 9
VLT 2800 Earth Connection ................................................................................... 10
VLT 2800 DeviceNet Connection ........................................................................... 10
FCD 300 Electrical connection ............................................................................... 11
User Interface ......................................................................................................... 12
Quick Setup ........................................................................................................... 13
Master-Slave configuration ....................................................................... 14
Drive Profile ....................................................................................................... 15
I/O Assembly Instances ......................................................................................... 15
Control Word and Status Word under
Instance 20/70 ....................................................................................................... 16
Control Word and Status Word
under Instance 21/71 ............................................................................................. 17
Bus speed reference value, under Instance 20/70 and 21/71 ............................... 19
Actual output speed, under Instance 20/70
and 21/71 ............................................................................................................. 19
Control Word and Status Word under Instance 100/150 and 101/151 ................. 20
Bus reference value ............................................................................................... 23
Actual output frequency ......................................................................................... 23
Process Data, PCD ................................................................................................ 24
DeviceNet object classes ........................................................................... 25
Class Code 0x01 ................................................................................................... 25
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VLT®2800 / FCD 300 DeviceNet
Class Code 0x02 ................................................................................................... 25
Class Code 0x03 ................................................................................................... 25
Class Code 0x04 ................................................................................................... 26
Class Code 0x05 ................................................................................................... 26
Class Code 0x28 ................................................................................................... 30
Class Code 0x29 ................................................................................................... 31
Class Code 0x2A ................................................................................................... 32
Danfoss Classes .................................................................................................... 33
DeviceNet Operation Mode ........................................................................ 34
Bit Strobe ............................................................................................................... 34
Polling .................................................................................................................... 35
Change of State, COS ........................................................................................... 35
EDS Files............................................................................................................. 36
VLT 2800 US version with DeviceNet .................................................................... 36
VLT 2800 European version with DeviceNet .......................................................... 36
FCD 300 European version with DeviceNet ........................................................... 37
Programming .................................................................................................... 38
Special Attention .................................................................................................... 38
Warning and Alarm Messages ............................................................................... 45
Abbreviations ......................................................................................................... 46
Factory settings - VLT 2800 .................................................................................. 47
Factory settings - FCD 300 .................................................................................... 55
Additional control features for VLT 2800 ............................................ 62
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VLT®2800 / FCD 300 DeviceNet
Introduction
■Introduction
■About this manual
This manual is intended to be used both as an
instructional and as a reference manual. It only
briefly touches on the basics of the DeviceNet
protocol. Whenever it is necessary for gaining
an understanding of the AC Drive Profile, please
refer to the ODVA version 2.0.
The manual is also intended to serve as a
guideline when you specify and optimize your
communication system.
Even if you are an experienced DeviceNet programmer,
we suggest that you read this manual in its entirety
before you start programming, since important
information can be found in all chapters.
■Assumptions
This manual assumes that you are using a DANFOSS
VLT 2800 or FCD 300 unit with DeviceNet. It is
also assumed that you are using a PLC or PC, as a
master, that is equipped with a serial communication
card supporting all the DeviceNet communication
services required by your application. Further more
it is assumed that all requirements stipulated in the
DeviceNet standard as well as those set up in the
AC Drive Profile and those pertaining to the VLT
Variable Speed Drive are strictly observed as well
as all limitations therein fully respected.
■What you should already know
The DANFOSS DeviceNet is designed to communicate
with any master abiding by the DeviceNet 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 is beyond the scope of this manual
and is of no concern to DANFOSS.
If you have questions about how to set up master
- master communication or communication to
a non-Danfoss slave, the appropriate manuals
should be consulted.
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VLT®2800 / FCD 300 DeviceNet
■Available literature
■Supplied with the unit
Below is a list of the literature available for VLT 2800
and FCD 300. It must be noted that there may be
deviations from one country to the next.
Supplied with the unit:
Operating instructions ....................................................................................................................... MG.28.AX.YY
Quick setup ....................................................................................................................................... MG.28.AX.62
Parameter list ................................................................................................................................... MG.28.DX.YY
Various literature:
Design Guide for VLT 2800 .............................................................................................................. MG.28.EX.YY
Data sheet for VLT 2800 .................................................................................................................. MD.28.AX.YY
Design Guide for FCD 300 ............................................................................................................... MG.04.AX.YY
Data sheet for FCD 300 ................................................................................................................... MD.04.AX.YY
Instructions for VLT 2800:
Assembly/disassembly ....................................................................................................................... MI.28.A1.02
LCP remote-mounting kit ................................................................................................................... MI.56.AX.51
Filter instruction .................................................................................................................................. MI.28.B1.02
Communication with VLT 2800 and FCD 300:
Profibus manual ................................................................................................................................ MG.90.AX.YY
VLT 2800 DeviceNet manual ............................................................................................................ MG.90.BX.YY
X = version number
YY = language version
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VLT®2800 / FCD 300 DeviceNet
Introduction
■Product and Environment
DeviceNet is a distributed control network. The
DeviceNet protocol is embedded in the control card
and is a communication protocol conforming to the
Open DeviceNet Vendor Association (ODVA) standard.
The control card allows DeviceNet compatible
controllers, sensors, and network management
tools to control, monitor, and supervise the
VLT frequency converter. The control card is
designed to the DeviceNet System Protocol for
Vendors as a slave device.
■Network
The VLT frequency converter will function as a slave
on the DeviceNet network. All addressing and linking
to nodes is done at installation time by a network
manager tool. The network installer and the network
management master have a significant influence on
how the node functions on the network. A DeviceNet
network can support up to 64 nodes.
■User Profile
The end-user is a network manager programmer
or a controller who see the DeviceNet control
card as a transparent bridge to the VLT frequency
converter. Control and supervision of the VLT
frequency converter will still be possible through
the standard parameter set.
■Interface to DeviceNet Network
The Interface connection to the DeviceNet network is
implemented through a CAN chip. Four different I/O
Assembly is available in the VLT frequency converter
DeviceNet interface, which can be configured by
the user. The I/O assembly can handle Polled
mode, Bit Strobe, Change of state (COS) and
Cyclic. For explicit messages, the interface has two
Unconnected Messages Manager (UCMM) available.
This allows two nodes on the DeviceNet to directly
access parameters in the VLT frequency converter
without involving a pre-configured master.
■Data Communication Interface
No direct data communication interface (e.g. via a
serial port) other than the DeviceNet interface and the
VLT frequency converter interface is considered.
LCP2 or Dialog can be used on the Sub D
plug while using DeviceNet.
■Overall Function
DeviceNet is a low-level network that standardizes
communications between industrial devices (sensors,
limit switches) and high level devices (controllers).
The communication network can be peer to peer or
master/slave. DeviceNet uses CAN technology for
Media Access Control and Physical Signaling and it
supports up to 64 nodes. DeviceNet also defines
device profiles for devices belonging to specific
classes. For other devices, a custom class must be
defined in order to make it DeviceNet compatible.
This further enhances the interchangeability and
interoperability of the network. Each node on the
network has its own unique media access control
identifier (MAC ID) to distinguish it on the network.
■Control Card Self-test
Please refer to parameter 620 in the
Programming chapter.
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VLT®2800 / FCD 300 DeviceNet
■Technical Data
■Cable Lengths
Drop LengthBaud Rate Max. total cable length [m]
Maximum Cumulative
125k baud 500 meters (1640 ft.) 156meters(512ft.)
250k baud 250 meters (820 ft.) 78 meters (256 ft.)
500k baud 100 meters (328 ft.)
6 meters (20 ft.)
for one drop 39 meters (128 ft.)
■Topology
■Cable Specifications
The cable is to be used according to ODVA
specifications.
■Network Power Supply
The DeviceNet option is an optically isolated node,
where transceiver power is provided by the network.
External network power supply requirements are:
11 - 25 VDC
10 mA draw per VLT frequency converter node.
■Cable Cross Section
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VLT®2800 / FCD 300 DeviceNet
Technical Data
■EMC Precautions
The following EMC precautions are recommended to
obtain interference free operation of the DeviceNet
network. Additional information on EMC can be
found in the FCD 300 and in the VLT 2800 Series
Operating Instructions and Design Guide.
NB!:
Relevant national and local regulations,
for example regarding protective earth
connection, must be observed
The DeviceNet 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 it is generally
recommended to keep the greatest possible distance
between the cables, especially where cables are
running in parallel over long distances.
If the DeviceNet cable has to cross a motor
and brake resistor cable they must cross each
other at an angle of 90 .
Example: VLT 2800 panel mounting
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VLT®2800 / FCD 300 DeviceNet
■VLT Response Time
The update time via the DeviceNet connection
can be divided into two parts:
1. The communication time, which is the time it
takes to transmit data from the master to the
slave (VLT with DeviceNet option).
2. The internal update time, which is the time it
takes to transmit data between the VLT frequency
converter control card and the DeviceNet interface.
Communication time (tcom) depends on the actual
transmission speed (baudrate) and the type of master
in use. More slaves or lower transmission speed
will increase the communication time.
Data Update
time, tint
Control word via I/O instances 14 msec
Main actual value via I/O instances 44 msec
Status word via I/O instances 14 msec
Reference via I/O instances 44 msec
Control via Class Code 0x29 14 msec
ReferenceviaClassCode0x2A 44msec
Change of parameter via Explicit
message and Danfoss Object
94 msec
Read of parameter via Explicit message
and Danfoss Object
14 msec
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VLT®2800 / FCD 300 DeviceNet
Electrical Installation
■Electrical Installation
■VLT 2800 Connection of the Cable Screen
Danfoss recommends that the screen of the DeviceNet
cable be connected to ground at both ends of
the cable at every DeviceNet station (see Danfoss
recommendation for further details).
It is very important to have a low impedance ground
connection of the screen, also at high frequencies.
This can be obtained by connecting the surface
of the screen to ground, for example by means of
a cable clamp or a conductive cable gland. VLT
frequency converter Series are provided with different
clamps and brackets to enable a proper ground
connection of the DeviceNet cable screen. The
screen connection is shown in the drawing.
For fulfilling the CE and EMC compliance.
VLT 2800 ODVA recommendation
Screen must be connected to ground at only
one point on the network.
NB!:
Please note, that this recommendation conflicts
with the EMC correct installation.
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VLT®2800 / FCD 300 DeviceNet
■VLT 2800 Earth Connection
It is important that all stations connected to the
DeviceNet network are connected to the same earth
potential. The earth connection must have a low HF
(high frequency) impedance. This can be achieved
by connecting a large surface area of the cabinet to
ground, for example by mounting the VLT frequency
converter on a conductive rear plate. Especially
when having long distances between the stations
in a DeviceNet network it can be necessary to use
additional potential equalizing cables, connecting the
individual stations to the same earth potential.
■VLT 2800 DeviceNet Connection
It is essential that the bus line be terminated properly.
Amis
match of impedance may result in reflections
on the line that will corrupt data transmission.
The DeviceNet control card is provided with
a pluggable connector.
By using a pluggable connector as a splice between
two trunk lines, removal of devices will not sever the
network. Strain relief, if required, must be provided by
the developer. In current installations of this type of
connector, the strain relief is attached to the product.
NB!:
Wires should not be installed while the
network is active. This will prevent problems
such as shorting the network supply or
disrupting communications.
VLT 2800 Drop cable
An alternative to splicing two trunk lines in the
connector on the control card, is using a DeviceNet
connection box or a T-connector. For this kind of
installation a drop cable is available as an option.
Drop cable ordering number: 195N3113
NB!:
Please note, that terminal 46 has been removed
from the DeviceNet card, meaning that
parameter 341-342 are not having any function.
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