Danfoss VLT 5000 Montage- und Bedienungsanleitung
VLT®5000 DeviceNet and Allen Bradley Control logix 5550
1
MN.51.T1.02 - VLT is a registered Danfoss trademark
Foreword.......................................................................... 2
VLT 5000 DeviceNet card ............................................... 2
Configuring the VLT 5000 with RS Networx ............... 4
I/O communication with RS Logix 5000 ...................... 6
Explicit messages with RS Logix 5000......................... 8
MN.51.T1.02 - VLT is a registered Danfoss trademark2
VLT®5000 DeviceNet and Allen Bradley Control logix 5550
NOTE!:
The examples do not describes all the
functions needed for a real application, for
example error handling.
The examples are based upon that a RS Logix5000
project has been created, and the 1756-DNB has
been added to the I/O configuration.
Details of some of the components/software:
VLT5000 with DeviceNet - Host chip version 2.9.
1756-DNB Series A Firmware Revision 3.3
RS Networx 2.11.51
RS Logix 2.25
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■Foreword
This application note describes how to set up
DeviceNet communication between a Danfoss VLT
5000 frequency converter and 1756-DNB DeviceNet
Scanner from Allen Bradley. It is assumed that you
have some knowledge of Control Logix 5550, the
1756-DNB Scanner and ladder logic.
This note describes:
●VLT 5000 DeviceNet card
●Configuring of the VLT 5000 with RS Networx
●I/O communication with RS Logix 5000
●Explicit messages with RS Logix 5000
Device status
LED
Revisions number
18115D
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■VLT 5000 DeviceNet card
The photo shows the DeviceNet card which can
be installed in VLT 5001 - 5500.
Network status
LED
Device status
LED
Network status
LED
Address switch and
baud rate setting
ON = 0
OFF = 1
VLT®5000 DeviceNet and Allen Bradley Control logix 5550
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MN.51.T1.02 - VLT is a registered Danfoss trademark
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■DeviceNet connection
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■DeviceNet termination
Termination resistors should be installed at each end
of the bus line.
The resistors must be mounted between terminal 2
CAN_L and terminal 4 CAN_H and should have the
following specification:
5 V+
4 CAN_H
3 drain
2 CAN_L
1 V–
red
white
bare
blue
black
1 2 3 4 5
121 Ohm, 1 % Metal film and 1/4 Watt
■LEDs
For the device status LED:
1. when the LED is off, the device is off
2. when the LED is green, the device is
operational
3. When the LED is flashing green, the device
is in standby
4. when the LED is flashing red, the device
detects a minor fault
5. when the LED is red, the device detects
an unrecoverable fault
6. when the LED is flashing red/green, the
device is self testing
For the network status LED:
1. when the LED is off, the network is non-
powered/not online
2. when the LED is flashing green, the
network is online but not connected
3. when the LED is green, the network is
online and connected
4. when the LED is flashing red, the network
has a connection time-out
5. when the LED is red, the network has a
critical link failure.
■Cable length
Transmission speed Max. total cable length [m]
125 kBaud 500
250 kBaud 250
500 kBaud 100
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■Cable specification
- Cross section: max. 0.78 mm2,
corresponding to AWG 18
- Cable type: twisted in pairs, 2 x 2 wires with
drain wire in center
- Screening: Copper-braided screen
or braided screen and foil screen
It is recommended to use the same cable type in
the entire network to avoid impedance mismatch.
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■Address and baud rate setting
Dip switch 1-6 set the VLT frequency converters
address and 7-8 the baud rate.
When setting the address/Mac ID you must ensure
that each device on the network has a unique
address. The address/Mac ID can be read in
parameter 918 Mac ID.
Switch 6 is the Most Significant Bit (MSB) and
Switch 1 is the Least Significant Bit (LSB).
If the address is to be set to 3, the dip switches
should be set as follow:
12345678
ON
ON = 0
OFF = 1
Switch Settings for DeviceNet Module Baud Rate:
Baud Switch Switch
Rate Setting Setting
87
125kBPS 0 0
250kBPS 0 1
500kBPS 1 0
125kBPS 1 1
MN.51.T1.02 - VLT is a registered Danfoss trademark4
VLT®5000 DeviceNet and Allen Bradley Control logix 5550
■Configuring the VLT 5000 with RS Networx
In this example we will only have one VLT 5000 set
up to address 4 and the Master (1756-DNB) set up
to address 0.
Start RS Networx and a new project.
First install the EDS file by using the EDS wizard
under TOOLS and IMPORT EDS FILE. The file can
be ordered from your local Danfoss sales company.
After you have powered up the system and
browsed for active nodes on the DeviceNet you
map the I/O area of the VLT 5000 DeviceNet card
to the 1756 DeviceNet Scanner.
VLT®5000 DeviceNet and Allen Bradley Control logix 5550
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MN.51.T1.02 - VLT is a registered Danfoss trademark
Double click on the 1756-DNB Scanner.
Click on Scanlist and add VLT 5000 from Available
Devices to the Scanlist.
Click on Input and if you click on AutoMap the I/O
area of VLT 5000 will be added to the first free area,
here I 0.0. This means that the Status word will be
read from the VLT 5000 to I/O area I:0.0 to I:0.15
and the Main Actual Reference to I:0.16 to I:0.32.
Do the same with the Output to map Control word
and reference.
Save the file and download the RS networx to the
Scanner.
■Configuring the VLT 5000 with RS Networx
Double click on the VLT 5000.
Click on EDS I/O default. Here is shown that VLT
5000 support Polled I/O.
The actual PPO type is type 1 using 4 byte Input
and 4 byte Output.
Parameter
904 Polled Size
Rx Polled Size
Tx
PPO1
PPO2
PPO3
PPO4
4 Bytes 4 Bytes
8 Bytes
4 Bytes
8 Bytes
8 Bytes
4 Bytes
8 Bytes
The PPO type can be changed in parameter 904
PPO Selection.
The 4 byte Input is Status word and Main Actual
Value from the VLT 5000.
The 4 byte Output is Control word and reference to
the VLT 5000.
Click on OK
MN.51.T1.02 - VLT is a registered Danfoss trademark6
VLT®5000 DeviceNet and Allen Bradley Control logix 5550
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■I/O communication with RS Logix 5000
Start RS Logix 5000 and a new project.
Make the I/O configuration and click on Controller
tags.
Click on Local:1:I and on Local 1:I.Data. Now you
can see the full input area of the DeviceNet system.
Local:1:I.Data[0] indicates mapping of status word
and Main Actual Reference. Choose to see the
format in Hex. See the status word in the DeviceNet
manual.
Example on status words from the VLT 5000 (par.
512 Telegram profile = FC Drive [1]):
Stand by: 0607 Hex
VLT running: 0F07 Hex Speed = ref.
VLT running: 0E07 Hex Speed ≠ref. i.e. ramping
Warning: 0F87 Hex
Status Word
Main Actual Reference
VLT®5000 DeviceNet and Allen Bradley Control logix 5550
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MN.51.T1.02 - VLT is a registered Danfoss trademark
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■I/O communication with RS Logix 5000
Click on Local:1:O and on Local 1:O.Data. Now
you can see the full Output area of the DeviceNet
system. Local:1:O.Data[0] indicates mapping of
Control word and reference.
To start the VLT 5000 when using FC Drive profile
(See par. 512) the start command should be 047C
Hex. The Reference goes from 0 – 4000 Hex,
corresponding to 0 –100 %.
Example on Control words to the VLT 5000 (par.
512 Telegram profile = FC Drive [1]):
Start: 047C Hex via ramp time in Par. 207
Stop: 043C Hex via ramp time in Par. 207
Coast: 0474 Hex
Quick Stop: 046C Hex via ramp time in Par. 212
Reversing: 847C
Remember by reversing to set par. 200 to both
direction and par. 506 to Bus [1].
Example on reference to the VLT 5000 (par. 202
High output frequency and 205 Max. reference = 50
Hz):
1000 Hex ~ 25 % reference = 12.5 Hz
2000 Hex ~ 50 % reference = 25.0 Hz
4000 Hex ~ 100 % reference = 50.0 Hz
Control WordReference
MN.51.T1.02 - VLT is a registered Danfoss trademark8
VLT®5000 DeviceNet and Allen Bradley Control logix 5550
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■Explicit messages with RS Logix 5000
Click on Controller Tags and add a new tag called
MESSAGE1. This message will be set up to read
parameter 518 Data read-out: Frequency.
Click on box next to INT and in Select Data type
choose MESSAGE.
VLT®5000 DeviceNet and Allen Bradley Control logix 5550
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MN.51.T1.02 - VLT is a registered Danfoss trademark
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■Explicit messages with RS Logix 5000
Add a new tag called VLT_READOUT.
Click on box next to INT and in Select Data type
chose INT with an Array of 1.
Now all the Tags are created to read parameter 518
on address number 4.
MN.51.T1.02 - VLT is a registered Danfoss trademark10
VLT®5000 DeviceNet and Allen Bradley Control logix 5550
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■Explicit messages with RS Logix 5000
Under I/O configuration double click on 1756-DNB
Scanner.
Give the Scanner a name, for example Dnet and
click on OK.
Click on Main routine and add a new rung.
Click on the Input/Output tag and drag and drop a
MSG block to the rung.
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