LOVATO ELECTRIC VLG3 Series Communications Manual
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LOVATO ELECTRIC VLG3 Series Communications Manual

LOVATO ELECTRIC VLG3 Series Communications Manual

Variable speed drives
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LOVATO ELECTRIC S.P.A.
24020 GORLE (BERGAMO) ITALIA
VIA DON E. MAZZA, 12
TEL. 035 4282111
L
E
E-mail info@
ovato
lectric.com
L
E
Web www.
ovato
lectric.com
1
SAFETY INFORMATION
– Always follow safety instructions to prevent accidents and potentially hazardous situations.
– Safety precautions are classified into "WARNING" and "CAUTION," and their meanings are as follows:
WARNING
Indicates a potentially hazardous situation which, if not avoided, may cause death or serious injury.
CAUTION
Indicates a potentially hazardous situation, which, if not avoided, may cause minor injury or damage to the product.
– Symbols used in this document and on the product indicate the following.
Read and follow the instructions carefully to avoid dangerous situations.
Presence of "dangerous voltage" inside the product that may cause harm or electric shock.
– Keep the operating instructions handy for quick reference.
– Read the operating instructions carefully to fully understand the functions of the VLG3 series variable speed drives and use them properly.
CAUTION
– Be careful not to damage the CMOS elements on the communication board.
Static charge may cause malfunctioning of the product.
– Turn off the drive before connecting communication cables. Otherwise, the module may be damaged or a communication error may result.
– Correctly align the communication board to the installation connector for installation and ensure that it is firmly connected to the drive. Otherwise, the module may be damaged or a
communication error may result.
– Check the parameter units when configuring the parameter values.
Otherwise, a communication error may occur.
2 TECHNICAL SPECIFICATIONS
Items
Communication Protocol
Communication speed
Communication type
Communication range
Service
Max. number of stations
Topology
Communication range
Recommended cable
GB VARIABLE SPEED DRIVES VLG3 SERIES
MODBUS-TCP COMMUNICATION MANUAL
VLGXL01
Description
Modbus TCP
100Mbps
Auto negotiation
100 m (twisted pair)
Smart scaling
Up to 8 words
64 stations
Line/Ring topology
100 m (twisted pair)
UTP, FTP, STP
1

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Summary of Contents for LOVATO ELECTRIC VLG3 Series

  • Page 1 Presence of "dangerous voltage" inside the product that may cause harm or electric shock. – Keep the operating instructions handy for quick reference. – Read the operating instructions carefully to fully understand the functions of the VLG3 series variable speed drives and use them properly. CAUTION –...

  • Page 2: External Layout

    EXTERNAL LAYOUT INSTALLATION 1 Connect the included RJ-45 cable to VLGXL01 communication module. 2 Remove the front cover from the VLG3 variable speed drive. 3 Connect the VLGXL01 communication module to the VLG3 variable speed drive using the included RJ-45 network cable. 4 Hook up the VLGXL01 communication module to the installation slot on the drive.

  • Page 3: Network Connection

    NETWORK CONNECTION Pin no. Signal Description Cable color Data transmission (+) White/Yellow Data transmission (-) Yellow Data reception (+) White/Green NONE Not used Blue NONE Not used White/Blue Data reception (-) Green NONE Not used White/Brown NONE Not used Brown Note.
  • Page 4 KEYPAD PARAMETERS FOR VLGXL01 COMMUNICATION MODULE The following table lists the drive parameters related to Modbus TCP communication features. Set drv parameter (Cmd Source) to “4 (Fieldbus)” using the keypad to operate the VLG3 drive via the VLGXL01 communication module. Set Freq parameter (Frq Ref Src) to “8 (Fieldbus)”...
  • Page 5 Keypad parameters related to VLGXL01 communication module Code No. Parameter Name Initial Value Range Description CM-30 Para Status Num 0 – 8 Automatically set according to the CIP Input Instance. CM-31 Para Status-1 000A 0x0000 Sets up the inverter data address to be read by the client. (Hex.) -0xFFFF CM-32 Para Status-2...
  • Page 6 DESCRIPTION OF KEYPAD PARAMETERS RELATED TO VLGXL01 COMMUNICATION MODULE 9.1 Description of keypad parameters (simplified) The following table lists the simplified information of keypad parameters. The detailed information is provided in the parameter group section. Code Parameter Name Description Cmd Source Command Source Freq Ref Src Frequency reference source...
  • Page 7 9.3 CM Group 1 – [CM-06] FBus S/W Ver: Communication option S/W version Automatically indicates the version of the communication board installed to the VLG3 drive. 2 – [CM-07] FBus ID: Station ID of the communication board (communication board ID) R: Set the station ID for the VLGXL01 communication module.
  • Page 8 2 – Read Input registers Read Input registers are functions used to read the server (inverter) data. The following table explains the components of a request data frame from a client to a server. Request frame Length Value Function code 1 byte 0x04 Comm.
  • Page 9 10.3 Exception (Except) frame An exception frame is a response frame from a server when an error occurs while responding to the client. The following table explains the components of an exception frame. Error frame Length Value Error code 1bytes 0x80 + function code requested by the client Exception code 1bytes...

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