a brief introduction to fieldbus
DESCRIPTION
4. hf. NETLOGIC. A BRIEF INTRODUCTION TO FIELDBUS. TRADITIONAL CABLING SYSTEM . PLC. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. TERMINAL BOARD. FIELDBUS SYSTEM. PLC MASTER. OUTPUTS. I/O SLAVE. CAMPO. FIELD. INPUTS. FIELDBUS COMMUNICATION. NETWORK INPUTS (ALL) POLLING. - PowerPoint PPT PresentationTRANSCRIPT
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A BRIEF INTRODUCTION TO
FIELDBUS
4hfNETLOGIC
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PLC
123
987
10
TRADITIONAL CABLING SYSTEM
456
TERMINAL BOARD
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PLC MASTER
FIELDBUS SYSTEM
CAMPOFIELD
OUTPUTS
INPUTS
I/O S
LAVE
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MASTER
I/O SLAVE (1)
OUTPUT Order:Slave address (2)Output address (3) I/O SLAVE (2)
I/O SLAVE (3)
Output 1
Output 2
Output 3
CompletedCommunication(with address)
Input 1
Input 2
Each Inputs has:Slave address(2)Input address(1), (2)
SLAVE NODE
NETWORK INPUTS (ALL) POLLING
Master receivesAddressed InputsFrom the field(input 1, slave 2)
FIELDBUS COMMUNICATION
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FIELDBUSFEATURES
4hfNETLOGIC
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•no input & output cabling to PLC
•each slave node needs to be addressed
•communications diagnostic available
•easy network plug & play expansibility
•high number of I/O through a single PLC
•guaranteed transmission speed
•PLC is always isolated from the field (PLC supplies the field-bus only)
FIELDBUS FEATURES
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4hfNETLOGICVesta Fieldbus
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4hfNETLOGIC
OUTPUT = 4HF SOLENOIDSINPUT = 24V DC DIGITAL SIGNALS
I/O SLAVE NODE
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VESTA SLAVE NODE(UNCABLED Input e Output)
Snap M8
CABLES WITH PLUGS
NON CABLED PLC
THE SYSTEM
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INTEGRATEDSLAVE
24V DC POWER SUPPLY
MASTER PLC
INTERFACES
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4hfNETLOGIC4hf NETLOGIC
ELEMENTSFEATURES
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Outputs (solenoids) max = 128 Inputs max = 128
HEAD ISLANDUp to 32 Solenoids (16 valve stations)
EXPANSION ISLANDUp to 16 solenoids (8 valve stations)
Up to 6 expansion islands (32+6x16=128 solenoids)
DIGITAL INPUTS BOX (24V DC)Up to 8 inputs
Up to 16 Input BOXES (8x16=128 Input)
I/Os
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VESTA SLAVE NODE EXAMPLE
Y cable for expansions
connection
Y cable for input boxes
connection
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ADDITIONAL OUTPUTS
ADDITIONAL 24V DC POWER SUPPLY
N°8 DIGITAL OUTPUTSSNAP M8 CONNECTOR
10Watt FOR OUTPUT
SUB-D 9 PLUG FOR EXPANSIONISLANDS
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PC
NODE ADDRESSING
NODE DIAGNOSTIC (ADDRESS, N° OUTPUT, N° INPUT)
INTERNETREMOTE CUSTOMER
SUPPORT
MIF CABLE(MONITOR INTERFACE)
DIAGNOSTIC
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SUPPORTED PROTOCOLS
Ethernet IP, Modbus TCP
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4hfNETLOGIC4hf NETLOGIC
FEATURES
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4hfNETLOGIC• EASY NODE ELEMENTS CONNECTION (EXPANSIONS, DIGITAL INPUTS BOXES) WITH PLUGGED CABLES (PLUG & PLAY).
• SERIAL COMMUNICATION AMONG 4HF NETLOGIC AND NODE ELEMENTS.
• AUTOMATIC I/O ALLOCATION TO THE 4HF NETLOGIC CHIPSET
• EXPANSIONS & DIGITAL INPUTS BOXES ARE 4HF NETLOGIC SERIES ONLY
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• MAX SPEED AVAILABILITY FOR EACH PROTOCOL
•CE MARKING (89/336/CE)
• MAX 128 OUTPUT, MAX 128 INPUT
• WORKING TEMPERATURE = -10°/ +50° C
•NODE DIAGNOSTIC THROUGH MIF CABLE
• MAX CABLES LENGHT (INPUTS & EXP.) = 5 M
4hfNETLOGIC
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Thank you.VESTA AUTOMATION S.R.L.Via Martiri di Belfiore, 69/A45100 ROVIGO, ITALYWeb: www.vesta.it
SALES INTERNATIONALTel.+39 0425 474313Fax +39 0425 474670
Email: [email protected]