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Transcript of 1 Titre Tous droits réservés – Le contenu et les spécifications peuvent être modifiés sans...
1
Titre
Tous droits réservés – Le contenu et les spécifications peuvent être modifiés sans avis préalable
Digital process controller
eNod3
2
Presentation
eNod3 is a measurement transmitter and powerful weighing process controller
It transforms any strain gauge sensor into intelligent digital system.
eNod3-C allows the control of static process as well as dynamic.
eNod3-D allows the control of mono-product dosing processes.
What is eNod3 ?
3
Presentation
eNod3-C includes three advanced operating modes to release the automatism
eNod3-C applications
Measu
remen
t transm
itter
• High speed measurement acquisition and transmission
• Triggering and samppling functions
1
Ch
eckweig
her
• Cycle management dedicated to dynamic weighing
• Calculation functions for sorting process and checkweighing
2
Peak co
ntro
l
• Acquisition and calculation of directly usable values (Min, max, peak to peak)
• Cycle management dedicated to manufacturing process
3
4
Presentation
eNod3-D includes two advanced operating modes to release the automatism
eNod3-D applications
Me
as
ure
me
nt tra
ns
mitte
r
• High speed measurement acquisition and transmission
• Triggering and samppling functions
1
Do
sing
• Mono-product dosing by filling or by unloading
• Fine and coarse feed management
• Automatic in-flight correction
2
5
Presentation
A choice of several versions
Its various housing allow a perfect adaptation to the environment
eNod3-C/D BOX
• Aluminum housing
• Direct connection of 1 load cell
• Protection IP65
• Aluminum housing
• Direct connection and trimming of 4 load cells
• Protection IP65
eNod3-C/D JB4
• Board on DIN rail support
eNod3-C/D DIN
6
Interfaces
eNod3 Sensor input
Power supply 10-28Vdc
Up to 4 load cells, resistance 350
Standard input range: 0 - 7,8mV/V
4 or 6wire connection
Torque sensors
eNod3-C/D is able to run up to 4 strain gauge sensor, with 4 or 6wire connection
Load cells Force sensors Pressure sensors
7
Interfaces
Communication
eNod3-C/D interfaces allow an easy integration to the automated systems
eNod3-C/D
Perfect connectivity with Schneider Electric PLCs
• One RS485/RS232 selectable output • Half/Full duplex selectable
• One CANbus 2B output
eNod3-C/D supports MODBUS-RTU, SCMBUS and CAN-Open
CANopen and SCMBUS: Optimized protocols for eNod3
1 … 32
Automate
• High speed transmission up to 1000meas/s.
• Periodic or triggered measurement transmission
8
Interfaces
eNod3-C logical input / output
• Assignment to Triggering, Zero, Tare, or Clear functions
• Adjustable debbouncing
2 opto-isolated logical inputs
• Assignment to set point control, Default, input recopy, measurement ready
• Relays contact rating 55V/400mA
2 opto-isolated logical outputs (static relays)
PLC
Set points control
• Windows mode• Hysteresis mode
2Inputs
2Outputs
9
Interfaces
eNod3-D logical Input / outputs
PLC
• Cycle start, Zero, Tare, Clear
• Adjustable debbouncing
2 opto-isolated inputs
• Fine/Coarse feed, emptying/ejection, limits control, Defect
• Static relays 55V/400mA
4 opto-isolated outputs
Logical I/O
AK Load cell
10
eNod3
DA
reg
ula
tor
10
-2
8V
dc
Sensor
Structure
eNod3-C Internal structure
Signalprocessing
µP
• Filtering• Calibration• Scaling• Zero, Tare
EEPROM
Pts ADC
Gross/Net
Resultweight
Min/MaxPeak-peak
Checkweigher
Peak control
• Triggering• Average device
• Triggering• Calculation
transmitter
• Triggering• sampling
Inte
rfac
es
RS
23
2C
AN
RS
48
5
co
mm
un
ica
tion
2 In
2O
ut
I/O m
an
ag
em
en
t
11
eNod3
DA
reg
ula
tor
10
-2
8V
dc
Sensor
Structure
eNod3-D Internal structure
Signalprocessing
µP
• Filtering• Calibration• Scaling• Zero, Tare
EEPROM
Pts ADC
MeasureGross/Net
Dosing results
transmitter
• Triggering• sampling
Inte
rfac
es
RS
23
2C
AN
RS
48
5
co
mm
un
ica
tion
2 I 4
O
I/O m
an
ag
em
en
t
Dosing
• Cycle control• Fine/coarse feed• In-flight correction• Ctrl limits• Emptying
Filling Unloading
12
µControlerConverter
Signal processing
Amplification - conversion
• Input signal: 7.8mV/V, 7.8 mV/V
• Sampling frequency 4KHz
• 24 bits resolution
• Low-pass filter
Converter
Converter rate
6.25 to 1600Hz
Post-Filtering
• Auto-adaptative• Butterworth
• Scaling1 000 000 pts
max
13
Measurement transmission
eNod3-C/D - Transmitter mode
eNod3-C/D allows high speed measurement acquisition and transmission
PLC
MODBUS-RTU, SCMBUS
Bds rateNb
meas/sProtocole
115200 900SCMbus
115200 400MODBUS
1000CANopen
Triggered transmission
(SCMBus & CANopen)
14
Dynamic weighing
eNod3-C - Checkweigher mode
PLC
eNod3-C makes high speed measurement acquisition
eNod3-C calculates the weight value and send it to the PLC
Process
time
Load cell signal
communication
15
Process
• Cycle management without detector
• Sample with limit value control
Automate
Dynamic weighing
eNod3-C - Checkweigher mode
Level triggering
16
Processus
• Cycle management with detector
PLC
Dynamic weighing
eNod3-C - Checkweigher mode
External triggering
17
Automate
Process control
eNod3-C - Peak detection mode
Min, Max and Peak-to-Peak value acquisition.
Level or external Triggering management
Process
time
Load cell signal
Max. Value
Force
PLC
20
eNodView
What is eNodView ?
eNodview offers many tools to facilitate eNod3 implementation.
It’s also a powerful measurement acquisition and analysis software.
It allows parameter setting and calibration of eNod3.
21
eNodView
Which functionnalities ?
2 31 Set up
• Automatic detection of all eNod connected to the network
• Access to all eNod3-C/D parameters
• physical or theoretical calibration
Analyse
• Measurement aquisition and displaying
• Frequency analysis (FFT)
• Digital filters simulation and displaying
Real time display
• Graphical supervision of dosing processes