DSP D ig ital I / O D u a lpo rt M e m o ry
PCM A n a log I / O C o n tro l u n it
: : : :
: :
:
B F I M e m o ry UPS
:
PG
R o tary P art
S tatio na ry P a rt
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distance between measuring zones PCM transmission charge amplifier
Robust design by solid roll granting stability Robust design by solid roll granting stability Closed barrel surface; thus, there is no danger to the strip surface Closed barrel surface; thus, there is no danger to the strip surface Barrel surface hardened Barrel surface hardened Same service expenditure as for standard deflector rollers Same service expenditure as for standard deflector rollers
C h arg e AMP : :
P uls e C o de d O p to-C o u ple r M od u lation T ra ns m itter : : : :
B F I R a ck
PCMD e co d e r D ig ital I / O
P ro ce ss C o m p u ter
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Charge Amplifier
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Summing Box closed by Charge Amplifier
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Charge Amplifier and PCM Transmission
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Arrangement of PCM rotary transmitter
Optiroll PLC
RAM 2 PCM Decoder RAM 1
Test Points
A
D
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Arrangement of Measuring Transducers
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Roll signal in a 40° divided system
40°
0° Trigger 360° Trigger
26
Measuring Resolution
600 400 200 0 0 50 100 150 200 250
Actual length distribution
Indication of the edge measuring zone, not assessable without edge detection
ACHENBACH
B U S C H H Ü T T E N
EXIT
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1
TECHNOLOGY
FOR FUTURE CONCEPTS
® i2 OPTIROLL
SFC/ SFM
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2
OPTIROLL i2 ® ®
System overview System overview
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Measuring Electronic Charge Amplifier
FR C 6.3 C 6.2 C 6.1 FR voltage in Volt FR 5 4 3 2 1 0 quartz
charge amplifier dynamometer
upper limit of effective range 750 N 3000 N 12000 N
Bearing journal
Sensor Roll body
Bore
Central bore 21.02.2009
10
Sensor Installation
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11
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13
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Summing Box and Charge Amplifier
Principle of Flatness Principle of Flatness Measurement Measurement
OPTIROLL®
i2
Software Software Calibration Calibration
Strip Flatness Strip Flatness Control SFC Control SFC
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5
Thickness, Flatness
QUALITY
m ∆N/mm² (I-Units)
FLEXIBILITY
Speed & Area Optimisation PRODUCTIVITY
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6
Measuring Roll I
Solid roll with digital PCM (Pulse Code Modulation)
1 2 3 4
9 1 2 3 4
1 2 3 4 5 6 7 8 9
5 6 7 8 9
pulse generator pulse generator light distance for transmission of control signals to the charge amplifier light distance for transmission of control signals to the charge amplifier power transmission power transmission light distance for transmission of measuring values light distance for transmission of measuring values connector connector anti-rotation lock anti-rotation lock PCM converter PCM converter A/D converter A/D converter connector for charge amplifier connector for charge amplifier
Principle of Flatness Principle of Flatness Measurement Measurement
OPTIROLL®
i2
Software Software Calibration Calibration
Strip Flatness Strip Flatness Control SFC Control SFC
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8
SFC Solid Roll Measuring Chamber
Cover O-Ring Sensor Sensor Housing
Support Ring
Roll Body
Cable
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9
Optiroll®i2: Technological Development new SFC Measuring Roll
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Force sensor
Quartz load cell Quartz load cell Sensitivity typ -4.15pC/N Sensitivity typ -4.15pC/N Response Threshold 0,01N Response Threshold 0,01N Measuring Range up to 35kN Measuring Range up to 35kN Overload up to 42kN Overload up to 42kN Linearity deviation < 0,1% Linearity deviation < 0,1% Hysteresis < 1% Hysteresis < 1% Temperature range -196/+200°C Temperature range -196/+200°C No voltage supply required for the cell No voltage supply required for the cell No wear, no aging No wear, no aging High Impedance 10e15 Ohm High Impedance 10e15 Ohm
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Hardware structure of the OPTIROLL I2 ® SFC system
M e as u ring -R o ll
D ig ital P ro c es s in g
M ea s urin g ro ll :
P aralle l s w itc hin g bo x :
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PCM Unit / Front Panel
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PCM Unit / Front Panel