NIVELCO NIVOCAP C-200 Owner's manual

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CONTENTS
1. INTRODUCTION ........................................................................................ 4
2. ORDER CODE (NOT ALL COMBINATIONS POSSIBLE!) ..................................... 5
2.1. ACCESSORIES ....................................................................................... 6
3. TECHNICAL DATA .................................................................................... 7
3.1. SPECIAL DATA FOR EX CERTIFIED MODELS............................................... 8
3.2. SPECIAL CONDITIONS FOR SAFE USE ....................................................... 8
3.3. SAP–202 DISPLAY MODULE .................................................................. 8
3.4. DIMENSIONS.......................................................................................... 9
3.5. ACCESSORIES ..................................................................................... 10
3.6. MAINTENANCE AND REPAIR .................................................................. 10
4. INSTALLATION........................................................................................ 11
4.1. MOUNTING AND WIRING ........................................................................ 11
4.2. CHECKING OF THE LOOP CURRENT ........................................................ 12
5. PROGRAMMING...................................................................................... 13
5.1. PROGRAMMING WITHOUT DISPLAY MODULE............................................ 14
5.2. PROGRAMMING WITH THE SAP–202 DISPLAY MODULE ........................... 17
5.2.1 Volume programming...............................................................................17
5.2.2 SAP–202 display module.........................................................................18
5.2.3 Steps of the programming........................................................................18
5.2.4 Indications of the SAP–202 Programming Module and the LEDs...........20
5.2.5 QUICKSET...............................................................................................21
5.2.6 Full parameter programming.................................................................... 23
6. PARAMETERS –DEFINITIONS AND PROGRAMMING.........................24
6.1. MEASUREMENT CONFIGURATION ...........................................................24
6.2. CURRENT OUTPUT................................................................................27
6.3. MEASUREMENT OPTIMALISATION...........................................................28
6.4. VOLUME MEASUREMENT .......................................................................28
6.5. 32-POINT LINEARISATION .....................................................................29
6.6. SERVICE PARAMETERS (READ ONLY) .....................................................31
6.7. TEST PARAMETERS ..............................................................................31
6.8. SIMULATION ........................................................................................32
6.9. ACCESS LOCK .....................................................................................32
7. ERROR CODES........................................................................................33
8. SUMMARY OF THE PARAMETERS........................................................35

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CAPACITANCE LEVEL MEASUREMENT

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Thank you for choosing a NIVELCO instrument
We are sure that you will be satisfied throughout its use
1. INTRODUCTION
NIVOCAP CT–200 is a 2-wire capacitance level transmitter for measuring level and volume (weight) of conductive or not-conductive liquids or free flowing solids.
APPLICATION
The active probe of the unit and the conductive wall of the vessel (or a grounded reference probe if the wall is not conductive) make up the plates of a capacitor.
Insulator of the probe, surrounding air or the material in the tank provide dielectric material.
If the tank is empty the basic capacitance is C0while the dielectric coefficient “r” of the air is 1. If the air will be replaced by material with higher dielectric constant
than that of the air, the capacitance will be changed, i.e., capacitance will increase with rising material. This change of the sensed capacitance converted to output
signal will be proportional to the level change. The same time the condition of level gauging is direct proportionality between the level change and the change of the
capacitance.
The value of capacitance also depends on the distance between the plates, the condition above will be met if the active probe is parallel to the tank wall or with the
reference probe. Thus, reference probe should be used in a tank with unusual shape or cylindric tank in a horizontal position even if the wall is conductive, provided
the medium is not conductive.
Due to the level measurement on the capacitance principle, it is essential to measure and store capacitance at two different levels in the tank (teaching), when the
unit is “learning “surrounding conditions of the actual application (e.g., C0 is different on the workshop bench and on site in the tank etc.).
Improper selection of the probe and very low dielectric constant may prevent the measurement.
For conductive materials (e.g., water, acid, bases, solutions with water, etc.) insulated active probes should be used., while value of the dielectric constant is
indifferent. Both insulated and uninsulated probes can be used for nonconductive materials but dielectric constant must be over 1.5 (r> 1.5).
VOLUME AND WEIGHT MEASUREMENT
This measurement is supported by the volumetric calculation feature and arithmetical formula for the most commonly used tank shapes in the software.
Thus, measuring level, volume or weight of the medium in the tank can be transmitted and displayed.
LINEARIZATION
If there is no direct proportionality between the change of capacitance and change of level the 32-point linearization feature should be applied. Linearization is the
method of assigning calibrated volume values to level values measured by the unit.

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2. ORDER CODE (NOT ALL COMBINATIONS POSSIBLE!)
N I V O C A P C – – *
TYPE CODE PROBE TYPE /
PROCESS CONNECTION CODE HOUSING MATERIAL CODE CODE PROBE LENGTH
ROD PROBE CODE OUTPUT /EXCODE
Transmitter T Rod
–
insulated / 1" NPT A
A
luminum 2 0 0 m 0 m 0 4…20 mA 2
Transmitter
+ display B Rod
–
insulated / 1½" NPT B Plastic 3 1 1 m 0.1 m 1 4…20 mA + HART 4
Rod
–
uninsulated / 1" NPT C 2 2 m 0.2 m 2 4…20 mA / Ex ia 6
High-temperature
transmitter H Rod
–
uninsulated / 1½" NPT D 3 3 m 0.3 m 3 4…20 mA + HART / Ex ia 8
Cable
–
insulated / 1" NPT E 0.4 m 4
High-temperature
transmitter
+ display
P
Cable
–
insulated / 1½" NPT F 0.5 m 5 *The order code of an Ex-version
should end in ‘Ex’.
Cable
–
uninsulated / 1" NPT G 0.6 m 6
Cable
–
uninsulated / 1½" NPT H 0.7 m 7
Cable
–
insulated / 1" BSP K 0.8 m 8
Cable
–
uninsulated / 1" BSP L 0.9 m 9
Rod
–
insulated / ¾" BSP M
Rod
–
uninsulated / 1" BSP P
CODE PROBE LENGTH
CABLE PROBE CODE
Rod
–
insulated / 1" BSP R
Rod
–
insulated /1½" BSP S 0 0 m 0 m 0
Rod
–
uninsulated / 1½" BSP T 1 10 m 1 m 1
Cable
–
insulated / 1½" BSP V 2 20 m 2 m 2
Cable
–
uninsulated / 1½" BSP W 3 m 3
Rod
–
insulated / ¾" NPT Z 4 m 4
5 m 5
6 m 6
7 m 7
8 m 8
9 m 9

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2.1. ACCESSORIES
HART modem SAT–304
Display module SAP–202
Weight for cable probe CTK–103–0M–40001
Reference (tube) probe
NIVOCAP C – 1 – 0
VERSION /THREAD CODE REF.PROBE CODE INSERTION LENGTH
Coaxial tube / BSP A Tube 1½" F CODE ROD
/
TUBE CODE
Coaxial tube / NPT D Rod 1" P0 0 m 0 m 0
Reference rod / BSP F 1 1 m 0.1 m 1
Reference rod / NPT E 2 2 m : :
3 3 m : :
0.9 m 9

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3. TECHNICAL DATA
Type Rod probe Cable probe
Measurement range 0.2…3 m (0.65…10 feet) 1…20 m (3.3…65.5 feet)
Material of
wetted parts
Threaded process connection 1.4571 stainless steel
Probe Fully or partially PFA coated 1.4301 stainless steel rod Fully or partially FEP coated stainless steel cable
Housing material Paint coated aluminum (EN AC-42000) or plastic (PBT)
Medium temperature (see: temperature diagram) Normal type: −30…+130 °C (−22…+266 °F), high-temperature type: −30…+200 °C (−22…+392 °F),
Ex version high-temperature type: −30…+190 °C (−22…+374 °F)
Pressure (see: pressure diagram) max. 40 bar (4 MPa) at +20 °C max. 16 bar (1.6 MPa)
A
mbient temperature (see: temperature diagram) −25…+70 °C (−13…+158 °F)
Maximum tensile force
–
7.7 kN
Saturation capacitance of the probe ~600 pF/m ~200 pF/m
Output
A
nalogue: 4…20 mA, 2-wire (3.9…20.5 mA),
Rmax = Ut– 11.4 V / 0.02 A galvanic isolation, protection against surge transients
SAP
–
202 display module: 6-digit LCD, engineering units and bargraph
Digital communication: HART, terminal resistance 250 Ω
Voltage output for current test Voltage measurement on a resistor in series: 10 mV / 1 mA
Capacitance range 0 pF…5 nF
Range of transmitted capacitance 10 pF, or 10% (min. SPAN)
Damping time 0, 3, 6, 10, 30, 60, 100, 300 s
Error indication Blinking of COM and VALID LED or transmitting 3.8 or 22 mA error indication current selected by programming
Power supply / current consumption 12…36 V DC, max. 22 mA / 48…800 mW
A
ccuracy ±0.3% (related to the length of the probe)
Temperature coefficient ± 0.02% / °C
Electrical connection
2× M20
x
1.5 plastic cable gland for Ø6…Ø12 mm (Ø0.23…Ø0.47") cable,
2× M20x1.5 metal cable gland for Ø7…Ø13 mm (Ø.275…Ø.511") cable, wire cross section: 0.5…1.5 mm2(AWG20…16),
2× internal thread for ½" NPT cable protective pipe
Process connection ¾" and 1" NPT or BSP external (male) thread
Ingress protection Probe: IP68, Housing: IP67
Electrical protection Class III
Mass ~2.3 kg with 0.5 m probe (~5.5 lb with 1.64 feet probe) ~1.9 kg with 3 m probe (~24.4 lb with 10 feet probe)

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Temperature diagram Pressure diagram
Standard probe High-temperature probe
3.1. SPECIAL DATA FOR EX CERTIFIED MODELS
Ex marking II 1 G Ex ia IIB T6…T3 Ga
Intrinsically safe data Ci≤15 nF, Li≤200
 H, Ui≤30 V, Ii≤140 mA, Pi ≤1.0 W
3.2. SPECIAL CONDITIONS FOR SAFE USE
Intrinsically safe units can only be used in certified intrinsically safe loops powered by an Ex ia IIB
certified power supply with the previously given technical data.
Temperature class table
Temperature class T6…T4 T3
The tank and the level transmitter should be connected to an EP network with copper wiring
q 4 mm2. Tambient +70 °C
(+158 °F)
+45 °C
(+113 °F)
Tmedium +80…+120 °C
(+176…+248 °F)
+190 °C
(+374°F)
The electronic circuitry of the level transmitter is grounded; therefore, an equipotential network
should be created in case of intrinsically safe loops. Distance between the transmitter and the
intrinsically safe power supply (placed outside of the hazardous area) should not exceed 100 m.
3.3. SAP–202 DISPLAY MODULE
Display 6-digit LCD, engineering units and bargraph
A
mbient temperature −25…+70 °C (−13…+158 °F)
Enclosure PBT glass fibre reinforced plastic (DuPont)

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3.4. DIMENSIONS
Rod probe Cable probe High-temperature rod probe
CT
–
2, 3
–

CB–2, 3–
CT
–
2, 3
–

CB–2, 3–
CH
–
2
–

CP–2–

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Display module HART modem Reference (Tube) probe
SAP–202 SAT–304 CF–1–0
3.5. ACCESSORIES
Warranty Card
Installation and Programming Manual
Declaration of Conformity
2 pcs M20x1.5 cable gland
3.6. MAINTENANCE AND REPAIR
The unit do not require regular maintenance.
Repair during or after the guarantee period should only be carried out by NIVELCO.
Before returning your device for repair, it has to be cleaned carefully, neutralize/decontaminate the parts wet from the medium might contain harmful substances. Our
official form (Returned Equipment Handling Form) must be enclosed after downloaded from our homepage www.nivelco.com. You should dispatch the device with a
declaration of decontamination. In the declaration, you have to provide a statement that the decontamination process is completed, and the device is clean and free
from harmful material and there is no hazardous substance on it.

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4. INSTALLATION
4.1. MOUNTING AND WIRING
The probe has to be installed vertically and for non-conductive materials reference probe should be used.
The NIVOCAP probes are mounted by 1" or 1½" process connections using S = 41 or S = 55 open end wrench, respectively.
It is recommended to fix the bottom end of the cable probes. This can be accomplished by fixing the cable loop or bore hole to the tank bottom or by the use of
weight.
The active probe and the reference probe should be installed parallel and next to each other.
Active probe and conductive tank wall
as reference probe Active probe and reference (tube) probe Active probe and reference (rod) probe

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TEMPERATURE
Electronics of the unit should be protected with shelter against development of too
high-temperature by direct sunshine.
WIRING
Power must be switched off before wiring the unit.
This instrument use electronic components that may be damaged by static
electricity thus apply precautions commonly used e.g., touching a properly
grounded point before removing cover of the enclosure
After removal of the cover of the housing and taking out the display module
(if any), the screw terminals can be accessed. Suggested cable core cross
section 0.5…1.5 mm2(AWG20…16). The unit has first to be grounded by the
inner or outer grounding screw.
After connecting the cable and unit programmed proper sealing and closing
should be ensured.
4.2. CHECKING OF THE LOOP CURRENT
After removal of the cover of the housing and taking out the display module (if any), voltage measuring instrument should be connected to the test connector.
Setting range to 200 mV the loop current can be measured with an accuracy of ~0.5%.

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5. PROGRAMMING
Since NIVOCAP is not measuring level directly, the basic element of the programming is measurement (learning) at two different levels during which the instrument is
learning conditions of the actual application (shape of the tank, medium to be measured, etc.). To reach accuracy given in the table of the Technical Data these two
levels should be possibly near to both end of the (rod or cable) probes (See Operation and Programming of NIVOCAP on page 4)
Learning will be represented (with Programming Without Display Module 5.1 and with QUICKSET) by the adjustment of 4 and 20 mA better to say assignment of 0%
and 100% to these two output values respectively. In units without display module level will be proportional to the output current while QUICKSET programming will
make possible display in % only.
If level, level in percentage, volume or volume percentage should be measured (a0 in P01) and measured values should be displayed in engineering units of the
length e.g., mand volume e.g., m3two data pair of the linearization table (0% and relevant minimum level in e.g., in m as well as 100% and the relevant
maximum level should be entered. Linearization should be disabled. (See P47 and P48 on page 30).
Not only the minimum (0%) and maximum (100%) level of the actual application can be assigned (directly) to the 4 and 20 mA output.
If for some reasons of the technology the tank cannot be filled to the maximum or emptied to the minimum level the 4 and the 20 mA can indirectly also be assigned
to the minimum (0 %) and maximum (100 %) with the help of two intermediate levels (say to 15% and to 80%).
Obviously - for the sake of accuracy – it is advised to fill/empty the tank to the maximum/minimum level and perform “direct” assignment as soon as possible.
The unit can also be programmed for inverse operation (4 mA = full and 20 mA = empty).
Programming without display module (See 5.1)
The transmitter is fully operable without display module. Basic parameters such as assignment of 4 and 20 mA to the minimum and maximum level, fault
indication by the output current and damping can be programmed
Programming with SAP–202 display module (See 5.2)
QUICKSET – 4 parameters can be programmed (See 5.2.4). Programming of the basic parameters will be aided by images on the display. Measured
values can only be displayed in percentage.
Full parameter programming (See 5.2.5.). All parameters and programming features of the unit can be accessed such as (measurement configuration,
outputs, measurement optimalisation, 11 pre-programmed tank shapes for volume calculation, 32-point linearization.
Measured values can be displayed in engineering units
The unit will measure during programming in accordance with the previous parameters. The new, modified parameters will only be effective after returning to the
Measurement Mode
If the transmitter is left in Programming Mode by mistake, it will automatically return to Measurement Mode after 30 minutes and will operate with the parameters
entered during the last programming completed.
FACTORY DEFAULT
Current output and bargraph is proportional to the (capacitance) level percentage. 4 mA and 0% is assigned to the 0-capacitance percentage (low level). 20 mA and
100% is assigned to 100% capacitance (high level). Current output of the fault indication is 22 mA. Damping: 10 sec.
Note: the 4 and 20 mA assignment is an absolute necessity of the programming.

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5.1. PROGRAMMING WITHOUT DISPLAY MODULE
PROGRAMMING FEATURES
4 mA output current (direct) assignment to the minimum (0%) level
20 mA output current (direct) assignment to the maximum (100%) level
4 mA output current (indirect) assignment to the minimum (0%) level by means of an
intermediate level
20 mA output current (indirect) assignment to the maximum (100%) level by means of an
intermediate level
Fault indication by the current output: 3.8 mA; or 22 mA
Damping (3 sec, 10 sec, 60 sec)
Reset to the Factory Default
Remark: current output can be programmed for inverse operation: 4 mA = 100% (full), 20 mA = 0% (empty)
Procedure of programming: press programming keys in the proper sequence and watch state of the LEDs. See interpretation of the LEDs below
= LED “Off”, = LED Blinking, = LED “On” lit, = LEDs blinking alternatively = Do not care
“Direct” assignment of 4 mA to the minimum level, 0% (or maximum level for inverse operation)
Fill the tank to the minimum (maximum) level
Programming steps LED State After Programming step
1) Press key and keep it pressed = NIVOCAP in programming mode
2) Press additionally key and keep it pressed = Assignment of 4 mA to the level in the tank
3) Release both keys = Programming completed
“Direct” assignment of 20 mA to the maximum level, 100%, (or minimum level for inverse operation)
Fill the tank to the maximum (minimum) level
Programming steps LED State After Programming step
1) Press key and keep it pressed = NIVOCAP in programming mode
2) Press additionally key and keep it pressed = Assignment of 20 mA to the level in the tank
3) Release both keys = Programming completed

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Indirect assignment of the minimum and maximum level to the output current with partially filled tank
For this programming the output current is to be measured on the test points as described in 4.2. Should higher accuracy be needed the current meter should be
inserted in the 4…20 mA loop.
Assuming a tank filled up to 15% approximately and the task is to accomplish “indirect” assignment of low level to 4 mA the procedure is the following. Since the
current output at the level of 15% is Iout= (16 mA x 0.15) +4 mA = 6.4 mA the current output should be changed with the keys , , until the value of 6.4 appears
on the current meter.
This procedure should be repeated with another, higher level for indirect assignment of 20 mA to the maximum level.
Obviously – for the sake of greater accuracy (it is not even sure whether the assumption of 15% is correct) – the “direct” assignment should be accomplished as soon
as it is possible
“Indirect” assignment of 4 mA to the minimum level with partially filled tank
Programming steps LED State After Programming steps
1) Press key and keep it pressed = NIVOCAP in programming mode
2) Press additionally key Eand keep it pressed, then release keys = 4 mA in programming mode
3) Set output current with keys , to the required value
Save adjustment with key Eor with key you can return to the value of 4 mA = 4 mA in programming mode
4) Release the key = Programming completed
“Indirect” assignment of 20 mA to the maximum level with partially filled tank
Programming steps LED State After Programming steps
1) Press key and keep it pressed = NIVOCAP in programming mode
2) Press key and keep it pressed, then release keys = 20 mA in programming mode
3)Set output current with keys , to the required value = 20 mA in programming mode
4) Save adjustment with key Eor with key you can return to the value of 20 mA = 20 mA in programming mode
5) Release the key = Programming completed

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Selecting “Fault indication” by the current output
As a result of the programming current output will be 3,8 mA; 22 mA.
Programming steps LED State After Programming steps
1) Press key and keep it pressed = NIVOCAP in programming mode
2) Press additionally key E, or
and keep it pressed
= – 3.8 mA
– 22 mA
3) Release both keys = Programming completed
Adjustment of DAMPING
Programming steps LED State After Programming steps
1) Press key
E
and keep it pressed = NIVOCAP in programming mode
2) Press additionally key , or
, or
and keep it pressed
– 3 sec
= – 10 sec
– 60 sec
3) Release both keys = Programming completed
Return to DEFAULT
Programming steps LED State After Programming steps
1) Press key and keep it pressed = NIVOCAP in programming mode
2) Press key Eand keep it pressed = loading DEFAULT
Indication of programming error with the LED
Programming steps LED State After Programming steps = Fault indicated Correction
Any programming attempt = blinking twice = no stable surface Wait for stable surface
Any programming attempt = blinking three times = no access possible With SAP–202 – only see 5.2 (P99)
Any programming attempt = blinking four times = NIVOCAP not in default With SAP–202 – only see 5.2 (P01)

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5.2. PROGRAMMING WITH THE SAP–202 DISPLAY MODULE
The NIVOCAP should be adjusted to the process by programming the parameters. The SAP–200 Display Module can be used to display the parameters while
programming and measurement values during measurement. The SAP–200 supports two separately accessible programming modes as below.
QUICKSET (See 5.2.5)
This feature is for quick programming of the 4 basic parameters like with programming without display module but aided by images on the display.
Measured values can only be displayed in percentage.
Assignment of min level to 4 mA
Assignment of max level to 20 mA
Damping
Fault indication by the current output
Full parameter programming (See 5.2.6)
Highest level programming with availability of all parameters and features such as:
Measurement configuration
Adjustment of outputs
Measurement optimalisation
11 pre-programmed tank shapes for volume calculation
21 pre-programmed formula for flow metering
5.2.1 VOLUME PROGRAMMING
Procedure 1: when the level and the tank dimensions are known.
Linearization table is disabled (P47=0) but the first two datapairs have to be entered in the linearization table (P48)
1 st datapair: for 0% the minimum level value (in measurement units)
2
nd datapair: for 100% the maximum level value (in measurement units)
As in this case the transmitter calculates the volume based on a volume formula the tank parameters have to be set in parameters P40-P45.
Procedure 2: when the level – volume relationship is known.
Linearization table is enabled (P=47=1) and linearization table (P48) has to be filled in with known volume values belonging to different levels. The table must contain
the values for 0% and 100% level in every case.

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5.2.2 SAP–202 DISPLAY MODULE
Symbols used on the LCD
LEV – Level measurement mode
VOL – Volume measurement mode
PROG - Programming mode
FAIL - Measurement / device error
- Level changing direction
Bargraph assigned to the level or volume
Symbols used on the frame
M– Metric (European) system
US – US (Anglo-Saxon) system
LED is lit
COM –digital (HART) communication
VALID – value within the valid range
5.2.3 STEPS OF THE PROGRAMMING
Programming will be performed by pressing and releasing the relevant one or two keys (simultaneously). Find a short overview of the programming while detailed
descriptions are under 5.2.5 and 5.2.6.
Single key pressing
E: Selection of address and step to the value of the parameter
Selection of the parameter value and step back to the address
: To move the blinking of the digit to the left
: Increasing value of the blinking digit
: Decreasing value of the blinking digit
yy Parameter address
(P01, P02…P99)
xxxx Parameter value (dcba)
bargraph

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Double key pressing
Press the two keys simultaneously for desired programming step
Entering/quitting programming mode Basic steps while parameter address is blinking Basic steps while parameter value is blinking
Notes:
If the parameter value is not accessible i.e., the parameter address keeps blinking after pressing ENTER E,
the parameter is either a read-out type, or
the secret code prevents the modification (see P99).
If the modification of the parameter value is not accepted i.e., the parameter value keeps blinking after pressing ENTER E,
the modified value is either out of the range, or
the code entered is not valid for this parameter

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5.2.4 INDICATIONS OF THE SAP–202 PROGRAMMING MODULE AND THE LEDS
LED indication
VALID-LED
–lit, in case the measured value is stabilized
–blinking, in case the measured value is
changing
COM-LED
–blinking when HART message is transmitted
or received
–lit, in case the transmitter is in remote
programming mode
SAP–202 indications
Depending on the measurement one of the
below symbols will lit and the process value
displayed (see P01 chapter 6.1). Engineering
units will be indicated directly or by the lit
arrow showing towards them on the frame
% percentage
LEV level
VOL volume
FAIL (blinking) Error code displayed
The following process values can be displayed
Volume– if programmed so
Level – if programmed so
Warning indications – FAIL blinking
If the FAIL LED is ON the code of the error can be
displayed and the output current will be in accordance
with the Fault indication
If the FAIL LED is blinking the code of the error can be
displayed and the output current will be in accordance
with the measured value.
Actual current output value can be displayed by
pressing DOWN .