Siemens Canada Siemens Milltronics Process Instruments LR400 SITRANS LR 400 User Manual sitranslrd3

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chap6.fm Page 39 Tuesday, October 9, 2001 2:26 PM
By using SIMATIC PDM, you can display a list of all echoes in your vessel. It provides
the distance between the flange and the measuring medium’s surface, as well as
the distances of fixed targets. These may be directly used and transferred to the fix
distance list.
4.2.3.9: Auto False Echo Suppression (F = use)
Learns and records the current signal up to the suppression distance setting. These
signals are then ignored during operation.
off
Values
record
use
If all signals fall below this defined threshold, then the failsafe timer is initiated.
4.2.3.A: Auto False Echo Suppression Distance (F = 2/3
vessel height)
Defines the end point of the Auto False echo suppression distance
variable
4.2.4: Level Parameter
4.2.4.1: Level URV (= parameter 1.5)
4.2.4.2: Level URV (= parameter 1.6)
4.2.4.3: Level URV (= parameter 1.7)
4.2.4.4: MinLim Level (F = 0 m)
Lower limit value of the level (see “Functional Dimensions” on page 25)
Value
numerical value
Set the lower limit value of the level as a height above the LRV.
4.2.4.5: MaxLim Level (F = 0 m)
Upper limit value of the level (see “Functional Dimensions” on page 25)
Value
numerical value
Set the upper limit value of the level as a height above the LRV.
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mmmmm
Parameters (HART)
Value
chap6.fm Page 40 Tuesday, October 9, 2001 2:26 PM
4.2.4.6: HYST Level (F = 0.5 m)
Hysteresis of the level limit values
Value
numerical value
Set the hysteresis of the limit values in the units system selected according to Parameter
4.1.1 (see diagram below).
Limit value alarm
measuring variable
measuring variable
upper limit
value
hysteresis
hysteresis
limit value
alarm
lower limit
value
Parameters (HART)
mmmmm
time
limit value
alarm
time
4.2.5: Volume parameters
To calculate the volume of the measuring medium, you need the level parameters (see
parameter 4.2.4) in the units selected according to parameter 4.1.1 and additionally a
vessel characteristic (parameter 4.2.5.7).
4.2.5.1: Volume URV (F = 20 m3)
Full scale of the volume
Value
numerical value
4.2.5.2: Volume LRV (F = 0 m3)
Start of scale of the volume
Value
numerical value
4.2.5.3: Volume Damping (F = 1 s)
Damping of the volume
Value
Page 40
numerical value
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4.2.5.4: MinLim Volume (F = 0 m3)
Lower limit value of the volume
Value
numerical value
4.2.5.5: MaxLim Volume (F = 0 m3)
Upper limit value of the volume
Value
numerical value
4.2.5.6: HYST Volume (F = 0.5 m3)
Hysteresis of the volume limit values
Value
numerical value
4.2.5.7: Tank Characteristic (F = Calibrate/table)
Calibrate/table
Calculate
Select the option “Calculate” or “Calibrate/Table” as required. The selection controls the
display of Parameter 4.2.5.8.
The possibilities of each parameter are listed below. For the values associated with
Parameter 4.2.5.8: Calculate, go to page 43.
4.2.5.8: Calibrate/table
If your vessel deviates from the forms offered, the necessary data is not available or is
unknown or you need a vessel characteristic with greater accuracy you must calibrate it
by liters. You can enter reference values from a table provided by the vessel
manufacturer or do the calibration manually and enter the determined reference values.
You can only enter pairs of values consisting of level and volume.
Note: Entering the vessel characteristic with the operation and monitoring module
can be a time-consuming procedure. It can be done more quickly and comfortably
with the SIMATIC PDM software. There, an entered table can be edited simply – an
option which is only conditionally possible with the operating and monitoring module.
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mmmmm
Value
Parameters (HART)
Determining the vessel characteristic
chap6.fm Page 42 Tuesday, October 9, 2001 2:26 PM
The 4.2.5.8: Calibrate parameter offers the following selection possibilities:
4.2.5.8.1: Calibrate
Here you can enter up to 50 reference values whose levels SITRANS LR 400 measures.
Enter the appropriate volume (determined by manual calibration).
If you access this parameter, first the currently measured level is displayed. Accept it by
pressing . Enter the appropriate volume, save it by pressing
or reject it by pressing
Then the device displays the “Calibrate” selection again. Access again (press ) to
select a further reference value. The device automatically offers you the next undefined
reference value.
It is recommended to enter a maximum of two or three reference values for the linear
range of the vessel and to use the others for the non-linear portion
If you enter a second volume value for the same level, the reference value saved earlier is
overwritten.
Parameters (HART)
mmmmm
4.2.5.8.2: Enter table
Manual entry of a table
Value
numerical value
Here you can enter up to 50 reference values provided by the vessel manufacturer in any
order.
The first reference value is offered when you access the parameter. Enter the level as a
distance from the floor of the vessel in the units selected according to parameter 4.1.1
(parameter “Enter level” and the volume corresponding to the level (parameter “Enter
volume”).
The device then displays the selection “Enter table” again. Access again to enter a
further reference value. The device automatically offers you the next undefined reference
value.
It is recommendable to enter a maximum of two or three reference values for the linear
range of the vessel and to use the others for the non-linear part.
If you enter a second volume value for the same level, the reference value saved earlier is
overwritten.
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4.2.5.8.3: Show table
Display table
Value
selection
Here you can display the entered reference values sorted on levels. In the second line,
the level corresponding to the first reference value appears first and then the
corresponding volume value when you switch further. Each switching accesses a further
reference value.
4.2.5.8.4: Clear table
Delete table
Value
selection
If you access the “all” selection in this parameter, the entire saved table is deleted. You
can delete individual reference values with the selection “1st”,“2nd” etc. which were
displayed in parameter 4.2.5.8.3.
4.2.5.8: Calculate
Automatic calculation of a vessel characteristic is faster than manual entry by calibrating
or a table. However, the calculated vessel characteristic is not as accurate as a manually
calibrated characteristic – especially in the non-linear areas of the vessel in which errors
of ≤ 1 % may occur. As well, the necessary data which you can get from the design
documents of your vessel must still correspond to the real conditions.
The 4.2.5.8: Calculate parameter requires the following parameters:
4.2.5.8.1: Tank Design (F = Vertical Cylinder)
Linear
Value
Vertical cylinder
Horizontal cylinder
sphere
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mmmmm
or
Parameters (HART)
Note: The reference values are sorted in order of filling states and do not necessarily
correspond to the order of the value pairs you have entered.
chap6.fm Page 44 Tuesday, October 9, 2001 2:26 PM
Enter the external form of your vessel. You can choose from:
•
•
•
•
Linear (any form with vertical walls and a flat floor)
Vertical cylinder (vertically standing cylindrical form with curved covers)
Horizontal cylinder (horizontal cylindrical form with curved caps)
Sphere
4.2.5.8.2: Bottom Design (F = Dished end)
Dished end
Value
Basket end
Bullet bottom
Enter the form of the two vessel cover caps. You can choose from:
•
•
•
Dished (according to DIN 28011)
Basket (according to DIN 28013)
Bullet (hemispherical shaped floor)
Parameters (HART)
mmmmm
4.2.5.8.3: Tank volume (F = 20 m3)
Value
numerical value
4.3: Analog Output
4.3.1: Error Level (F = D: Error Signal)
Level for the error signal to alarm in Analog or Digital output
D: Error Signal
Value
D+F: Error Signal
D+F+W: Error Signal
When D is selected, all errors are displayed. When D+F is selected, there is special
handling for failsafe. When D+F+W is selected, there is special handling for warnings.
4.3.2: AO Select (F = Level)
Assignment of a measured value to the analog output
Values
Level
Volume
Here you can set whether the analog output supplies the level or the volume to the
control system.
The selection controls the following parameter 4.3.3.
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4.3.3: Level Parameter (= Parameter 4.2.4)
or
4.3.3: Volume Parameter (= Parameter 4.2.5)
4.3.4: Current Limit (F = 20 mA)
Upper current limit
Value
20 - 22.5 mA
Here you can set the upper current limit of the output signal in steps of 0.1 mA (see
Current limiting diagram below).
Current limiting
current
22,5 mA
setting range
20,0 mA
4.3.5: Error Signal (F = 3.6 mA)
Current value of the error signal
3.6 mA
22.0 mA
24.0 mA
Value
Hold 10 s
Hold 1 min
Hold 2 min
Hold 3 min
Hold continuously
In the event of a fault the device applies the current defined here to the analog output.
You can choose between 3.6 mA, 22 mA, 24 mA, Hold 10 s, Hold 1 min, Hold 2 min, Hold 3
min and Hold permanent.
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mmmmm
The URV is always at 20 mA. If you set the current limit to a higher value, you can have the
measured values output outside the measuring range (up to approx. 115%).
Parameters (HART)
measured value
chap6.fm Page 46 Tuesday, October 9, 2001 2:26 PM
In the “Hold...” parameters, the device outputs the last valid value until the set time has
run out or the fault has been eliminated. If the fault persists after the set time runs out,
the analog output switches to an error signal of 3.6 mA.
4.4 Digital Output
4.4.1: parameter DO (F = Alarm)
Assignment of the digital output
MaxLim Level
MinLim Level
Value
MaxLim Volume
MinLim Volume
Alarm
Parameters (HART)
mmmmm
No Function
Here you can select whether the digital output supplies the upper or lower limit value of
level or volume or an alarm (device error, measurement error; see parameter 3.1) to the
control system. If you select the “No function” option, the digital output is switched off.
Selection of a limit value enables parameter 4.4.3.
4.4.2: Error Level (F = D: Error Signal)
Level for the error signal to alarm in Analog or Digital output
D: Error Signal
Value
D+F: Error Signal
D+F+W: Error Signal
When D is selected, all errors are displayed. When D+F is selected, there is special
handling for failsafe. When D+F+W is selected, there is special handling for warnings.
4.4.3: Signal Type DO (F = Relay closes)
Value
Relay closes
Relay opens
Here you can determine the behavior of the digital output. Select whether its contact
closes or opens at an event.
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electronic fuse
Device
External supply
9W
The following parameters are only enabled when the digital output supplies a limit value.
4.6.9.6: Antenna offset (see page 51)
4.6.9.7: Reference distance (see page 51)
4.4.4: Level Parameter (= Parameter 4.2.4)
or
4.4.4: Volume Parameter (= Parameter 4.2.5)
4.5.1: Multi-Display
4.5.1.1: Line 1 Local (F = Level)
Choice of measured value in line 1
Value
Level
Volume
4.5.1.2: Display Local (F = Eng Unit)
Method of display in line 1
Eng unit
Value
Bar graph
4.5.1.3: Level Parameter (= Parameter 4.2.4)
or
4.5.1.3: Volume Parameter (= Parameter 4.2.5)
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mmmmm
Parameters (HART)
4.5: Display Parameters
chap6.fm Page 48 Tuesday, October 9, 2001 2:26 PM
4.5.1.4: Line 2 Local (F = S/N ratio)
Display in line 2
Level
Volume
Temperature
Value
Validity
S/N ratio
Amplitude
Digital output
Analog output
4.5.1.5: Level Parameter (= Parameter 4.2.4)
or
4.5.1.5: Volume Parameter (= Parameter 4.2.5)
Parameters (HART)
mmmmm
4.5.2: Language Local (= parameter 1.1)
4.5.3: LCD Lighting (F = off)
Background illumination of the LCD
Value
on
off
4.6: Device Information
4.6.1: Power Supply (F according to customer specifications)
Voltage range of the built-in power supply unit
Value
non-editable
4.6.2: Flange Temperature (according to customer
specifications)
Temperature range of the flange in °C
Value
Page 48
non-editable
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4.6.3: Electrical Connection (according to customer
specifications
Value
non-editable
4.6.4: Antenna and Flange
4.6.4.1: Flange Size (according to customer specifications)
Size of the flange
DN 80, 3 in
Value
DN 100, 4 in
DN 150, 6 in
Special Design
4.6.4.2: Flange Type (according to customer specifications)
Type of flange
Value
ANSI
JIS
Special Design
4.6.4.3: Pressure Stage (according to customer
specifications)
Pressure range of the process connection
Value
non-editable
4.6.4.4: Antenna Type (according to customer settings)
Horn type long
Value
Horn type short
Special design
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mmmmm
Parameters (HART)
DIN 2527
chap6.fm Page 50 Tuesday, October 9, 2001 2:26 PM
4.6.4.6: Flange Material (according to customer
specifications)
Value
316/316L
Special Design
4.6.4.7: Seal Material (according to customer
specifications)
Sealing material
Teflon
Kalrez
Value
Viton
Perbunan
Special Design
Parameters (HART)
mmmmm
4.6.5: Tag (according to customer specifications)
Device identification
Value
up to any eight characters
4.6.6: Descriptor (according to customer specifications)
Measuring point description
Value
up to any 16 characters
4.6.7: Message (according to customer specifications)
Measuring point message, e.g. the date of the last check or clean
Value
up to any 32 characters
4.6.8: Manufacturer Identification
4.6.8.1: Serial Number (F = unique number)
Factory serial number
Value
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non-editable
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4.6.8.2: Order Number (according to customer
specifications)
Device order number (delivery state)
Value
non-editable
4.6.8.3: Fld Dev Rev (F = Number)
Device version
Value
non-editable
4.6.8.4: Software Revision (F = Number)
Value
non-editable
4.6.8.5: Hardware Revision (F = Number)
Value
non-editable
The antenna offset defines the propagation time of the measuring signal between the
sensor and the flange as a distance. It is preset at the factory and cannot be changed.
4.6.8.7: Reference Difference (F = approx. 106 m [calibration
value])
Internal reference distance
The length of the reference distance in the units system selected according to parameter
4.1.5 can only be read out and not changed. The device uses this to calibrate itself so that
no manual adjustment is necessary in long-term operation.
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mmmmm
Distance sensor/flange
Parameters (HART)
4.6.8.6: Antenna Offset (F = approx. 0.5 m [calibration value])
chap6.fm Page 52 Tuesday, October 9, 2001 2:26 PM
5. Options
5.1: Enter Code
Input of customer code to enable programmability
Value
Customer code
The device compares a code number which you enter here with the code number defined
by parameter 5.2. If your entry matches the customer code completely, it releases the
programming lock for all parameters. Any other code number locks and disables
programming.
5.2: Customer Code (F = 0)
Determination of customer code
Value
up to 4-digit code
Parameters (HART)
mmmmm
Here you define the up to four digit long *customer code with which you can protect the
device parameters against undesirable programming errors.
Meaning and parameter of the customer code are explained in “Disabling and enabling
programming” on page 22
5.3: Factory Reset (F = no)
Reset all parameters to factory setting
Value
yes
no
This parameter allows you to reset all parameters to the original factory setting as
described in “Parameters (HART)” on page 25.
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Parameters (Profibus PA)
Parameters (Profibus PA)
Device parameter,
parameter, menu Description
identification
1: Auto-Setup
Language local
Language of the local
user interface
Length Unit
Factory
Setting
Setting
Possibilities
English
0m
English
Deustch
cm
mm
ft
in
numerical value
20 m
20 m
numerical value
numerical value
0m
numerical value
Nozzle height
Height flange to top of
tank
Height tank bottom to top
Full scale of level (see
Functional Dimensions
Diagram)
Start of scale of level (See
Functional Dimensions
Diagram)
Damping of level in s
Use of the vessel
Tank Height
Level URV
Level LRV
Level damping
Application type
2.2: Level
2.3: Volume
2.5: Current Output
Display of two measured Level in Sigvalues
nal-to-noise
ratio in dB
Level of measured
medium
Volume of measured
m3
medium
Value of the analog output
in mA
non-editable
non-editable
non-editable
non-editable
3: Diagnostics
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mmmmm
Current bus address
Parameters (Profibus PA)
1.8: Bus address
2: Display
2.1: Multi-display
1s
numerical value
Liquid (store) Liquid (store)
Liquid (process)
Silo1 (solids)
Silo2 (solids)
User tank1
User tank2
126
numerical value
chap6.fm Page 54 Tuesday, October 9, 2001 2:26 PM
Parameters (Profibus PA)
Device parameter,
parameter, menu Description
identification
Parameters (Profibus PA)
mmmmm
3.1: Status
3.1.1: Wear
3.1.1.1: Operating
Hours
Factory
Setting
Total previous operating
time of the device in
hours (approximate value)
3.1.1.2: Maximum
Previous maximum tem- 26°C
temp.
perature of device
3.1.1.3: Minimum
Previous minimum tem- 26°C
temp.
perature of the device
3.1.1.4: Aging
Approximate value for the
previous life of the device
in % (100% = approx. 10
years)
3.1.1.5: Hours > 85°C Previous time during
which the maximum permissible sensor temperature was exceeded in
hours
3.1.x: Sensor
Diagnostic messages of
and/or
the sensor
3.1.x: Electronics
Diagnostic messages of
and/or
the electronics
3.1.x: Software
Diagnostic messages of
and/or
the software
3.1.x: Application
Diagnostic messages to
and/or
the application
3.1.x: Parameters
Display of the false
and/or
parameters
3.1.x: Service
for service purposes only
3.2: Device test
3.2.1: Self-test
Check device state
3.2.2: Display test
Visual check of LCD
3.3: Sensor variables
3.3.1: Raw value
Distance from flange to
measured medium
3.3.2: Echo Amplitude Measure of quality of
reflection
3.3.3: S/N ratio
Signal-to-noise ratio of
the measured value in dB
3.3.4: Validity
Validity of the measured
value in %
Page 54
Setting
Possibilities
non-editable
non-editable
non-editable
non-editable
non-editable
non-editable
non-editable
non-editable
non-editable
non-editable
non-editable
non-editable
non-editable
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Parameters (Profibus PA)
Device parameter,
parameter, menu Description
identification
3.3.5: SensorTemp
4: Device data
4.1: Units
4.1.1 Length unit
4.1.2: Volume unit
Factory
Setting
Setting
Possibilities
m3
bbl
yd3
ft3
in3
bush
bbl (fl.)
m3
hL
Gal
ImpGal
°C
°F
SI unit
US/UK unit
Sensor temperature
= [1.2]
4.1.4: Temperature
Unit
Unit of the sensor temperature
4.1.5: Other units
Units system for all other SI
units
7ML19985FH01
100 mm
yes
no
numerical value
Liquid (store) Liquid (store)
Liquid (process)
Silo1 (solids-pellets)
Silo2 (solids-powders)
User tank1
User tank2
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mmmmm
If yes: Pipe diameter Diameter (= internal) of
the stilling pipe
4.2.2: Measuring conditions
4.2.2.1: Applic. type Use of the tank
no
Parameters (Profibus PA)
4.2: Operating parameters
4.2.1: Tank geometry
4.2.1.1: Nozzle height = [1.3]
4.2.1.2: Tank height
= [1.4]
4.2.1.3: Stilling pipe? Stilling pipe available?
°C
chap6.fm Page 56 Tuesday, October 9, 2001 2:26 PM
Parameters (Profibus PA)
Device parameter,
parameter, menu Description
identification
4.2.2.2: Surface
4.2.2.3: Dead band
Surface structure of the wavy
measured medium
Not displayed if a user
tank is selected in
[4.2.2.3].
Area beneath the flange 0.26 m
in which measured values
are ignored
Parameters (Profibus PA)
4.2.2.4: Correction
factor
mmmmm
Factory
Setting
Setting
Possibilities
smooth
wavy
turbulent
1.0
numerical value,
Minimum value =
Length of the
antenna
numerical value
200 mm/min
numerical value
Hold
100 %
0%
Hold
1 min
2 min
etc.
1m
2m
etc.
Correction factor for
physical measuring influences
4.2.2.5: Filling speed Typical speed of change
of the level
Not displayed if a user
tank is selected in
[4.2.2.3].
4.2.2.7: Failsafe Level Selects the default measurement in the even the
failsafe timer expires
4.2.2.8: Failsafe Timer Sets the time delay, in
minutes, before going into
fail-safe level
4.2.2.9: Range Exten- Sets the distance below
sion
the tank height included
in the evaluation
4.2.3: Sensor parameter
4.2.3.1: Sensor damp- Averaging of measuring
ing
signal
Not displayed if a user
tank is selected in
[4.2.2.3].
4.2.3.2: Multiple echo Evaluate multiple echo
10 s
numerical value
on
4.2.3.3: Echo motion
on
on
off
on
off
on
off
on
off
on
off
4.2.3.4: Window
tracking
4.2.3.5: Tank empty
detect.
4.2.3.6: Auto fix dist.
Page 56
Evaluate echo motion
10 min
3m
on
on
Automatic fixed target
detection
on
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Parameters (Profibus PA)
Device parameter,
parameter, menu Description
identification
4.2.3.7: Fix dist. list
4.2.3.9: Auto False
Echo Suppression
4.2.3.A: Auto False
Echo Suppression
Distance
4.2.4: Level param.
4.2.4.1: Level URV
4.2.4.2: Level LRV
4.2.4.3: Level damping
4.2.4.4: Min Warn
level
4.2.4.5: MinLim level
Manual input of up to nine
fixed targets
Learns and records the
use
current signal up to the
suppression distance setting. These signals are
then ignored during operation
Defines the end point of 0 m
the Auto False echo
suppression distance
use
record
off
variable
Start of scale of the volume
Damping of the volume
Limit before reach lower
limit value
Lower limit value of the
volume
Upper limit value of the
volume
0m
numerical value
0m
numerical value
0m
numerical value
0m
numerical value
0.5 m
numerical value
20 m3
numerical value
0m
numerical value
1s
numerical value
0m
numerical value
0 m3
numerical value
0 m3
numerical value
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mmmmm
7ML19985FH01
numerical values
Parameters (Profibus PA)
4.2.5.3: Volume
damping
4.2.5.4: MinWarn volume
4.2.5.5: MinLim volume
4.2.5.6: MaxLim volume
Setting
Possibilities
= [1.5]
= [1.6]
= [1.7]
Limit before reach lower
limit value
Lower limit value of the
level (See Functional
Dimensions Diagram)
4.2.4.6: MaxLim level Upper limit value of the
level (See Functional
Dimensions Diagram)
4.2.4.7: MaxWarn
Limit before reach upper
level
limit value
4.2.4.8: HYST level
Hysteresis of the level
limit values
4.2.5: Volume param.
4.2.5.1: Volume URV Full scale of the volume
4.2.5.2: Volume LRV
Factory
Setting
chap6.fm Page 58 Tuesday, October 9, 2001 2:26 PM
Parameters (Profibus PA)
Device parameter,
parameter, menu Description
identification
4.2.5.7: MaxWarn vol- Limit before reach upper
ume
limit value
4.2.5.8: HYST volume Hysteresis of the volume
limit values
4.2.5.0: Tank charac- Determining the tank
teristic
characteristic
4.2.5.A: Calibrate/table
or
4.2.5.A: Calculate
4.2.5.A.1: Calibrate
Automatic litering
or
4.2.5.A.1: Tank design
Parameters (Profibus PA)
mmmmm
4.2.5.A.2: Enter table Manual entry of a table
or
4.2.5.A.2: Bottom
design
4.2.5.A.3: Show table Display table
or
4.2.5.A.3: Tank volume
4.2.5.A.4: Clear table Delete table
or
= [4.2.1.2]
4.2.5.A.4: Tank height
4.3: Output parameter
4.3.1: BusIdentNr.
4.3.2: Bus address
4.4: Display param.
4.4.1: Multi display
4.4.1.1: Line 1 local
4.4.1.2: Display local
Page 58
Factory
Setting
Setting
Possibilities
0m
numerical value
0.5 m3
numerical value
Calibrate/
table
Calibrate/table
Calculate
Confirm input
Vertical cylin- Linear
der
Vertical cylinder
Horizontal
Cylinder
Sphere
numerical value
Dished end
Dished end
Basket end
Bullet bottom
Selection
numerical value
20 m3
Selection
Profile specific
Manufacturer specific
= [1.8}
Choice of measured value Level
in line 1
Method of display in line 1 Eng unit
Level
Volume
Eng unit
Bargraph
SITRANS LR 400 – INSTRUCTION MANUAL DRAFT
7ML19985FH01

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