Kotron R.F. 2-wire BE50-613

®
KOTRON®
R.F. 2-WIRE
Level Transmitter
INSTRUCTION MANUAL AND PARTS LIST
DESCRIPTION
Kotron two-wire level transmitters are designed to measure
either liquid or certain dry bulk media. The transmitter is usually mounted integrally with the probe.
The 24 V DC 4 mA base current is the supply to the unit.
Changes in the level of the medium change this current
between 4 and 20 mA in the two-wire loop.
This transmitter is available with a variety of options including an analog meter and rigid or flexible probes. This
instruction manual applies to 24 V DC models only.
OPERATING PRINCIPLE
The amount of capacitance developed in any vessel, is
determined by the size (surface area) of the probe, the
distance from the probe to its ground reference (e.g. tank
wall), and the dielectric of the medium it is measuring.
If the probe’s mounting position is fixed, and the dielectric
value of the medium is constant, then the amount of
capacitance developed in any vessel becomes dependent
upon the probe’s total surface area.
Adjusting the combination of the probe’s diameter and
length (and of course its proximity to ground) in any given
application can generate the necessary capacitance
required by the electronic circuitry.
As media rises and falls in the tank, the amount of
capacitance developed between the sensing probe and the
ground also rises and falls. This change in capacitance is
converted into a pulse wave form, proportional to the
change in level. The amplifier then converts the proportional pulse signal into a 4-20 mA output signal.
UNPACKING
Unpack the instrument carefully. Inspect all units for damage. Report any concealed damage to carrier within 24
hours. Check the contents of the packing slip and purchase
order. Check and record the serial number for future reference when ordering parts.
AGENCY APPROVALS
Agency
Approval
ATEX
II 1 G Ex ia IIC T6 Ga, intrinsically safe
FM/CSA
Other approvals are available, consult factory for more details
Consult factory for proper model numbers and classifications.
MODEL IDENTIFICATION
A complete measuring system consists of:
1. Code for KOTRON® electronics
2. Probe selection; a full range of rigid and flexible probes for conductive and non-conductive media is available
(see bulletin BE 50-125)
Code for KOTRON® electronics
0 8 2 - 8 4
24 V DC, 2-wire KOTRON® electronics, intrinsically safe version
TRANSMITTER
0
1
Blind transmitter
Transmitter with local indicator (Select code 0 in housing selections)
OUTPUT SIGNAL
3
4
4 to 20 mA output (direct action)
20 to 4 mA output (reverse action)
HOUSING / IP 66
0
1
4
0 8 2
8 4
4 0
3/4" NPT cable entry, aluminium (1" NPT with local indicator)
M20 x 1,5 cable entry, aluminium (no local indicator available)
3/4" NPT cable entry, stainless steel (no local indicator available)
complete code for KOTRON® R.F. 2-wire electronics,
intrinsically safe version
X = product with a specific customer requirement
0038
0344
2
These units are in compliance with:
1. The EMC Directive: 2004/108/EC. The units have been tested to EN 61326-1: 2005.
2. Directive 94/9/EC for equipment or protective system intended for use in potentially explosive atmospheres. EC-type examination certificate number ISSeP13ATEX014X - intrinsically safe.
Standards applied: EN 60079-0: 2012, EN 60079-11: 2012, EN 60079-26: 2007
3. The PED directive 97/23/EC (pressure equipment directive). Safety accessories per category IV
module H1.
INSTALLATION
INSTALLATION LOCATION
Kotron transmitters should be located for easy access for
service, calibration and monitoring. Transmitters should not
be exposed to ambient temperatures below -40°C (-40°F) or
above +70°C (+160°F).
Special precaution should be made to prevent exposure
to corrosive atmosphere, excessive vibration, shock or
physical damage.
It is common practice to use the metal tank wall as the
reference electrode (refer to Operating Principle).
In such cases, it is required that the probe housing makes a
good electrical connection to the tank wall. If there is any
doubt about this connection due to the use of PTFE thread
tape, gaskets, paint, rust, or any other reason, a separate
strap should be installed between the probe housing and
the tank.
CAUTION: This unit contains CMOS electronics
which may be damaged by static electricity. Do not
touch any semi-conductor devices unless you are
properly grounded.
METAL WALLED TANKS
On water based liquids, there should be no problem with
sensitivity or linearity. With non-conductive, low dielectric
media, sensitivity can be enhanced by locating the
probe close to and parallel with the tank wall. If this is
not practical, a concentric ground tube, sometimes called
a stilling well, may be a solution.
NOTE: These comments are true for glass-lined metal walled
tanks also.
Tanks/Silos –
with non-conductive materials of construction
With plastic, concrete, wood, or any other non-conductive
walled vessels, the reference electrode mentioned in the
“Operating Principle” section on page 1 needs clarification.
Most commonly, this electrode will be in the form of a
concentric ground tube (i.e. stilling well). Refer to Figure 1.
In questionable circumstances, consult the Factory. In all
cases, a good electrical connection must be made between
the ground surface and the probe housing.
MOUNTING PROCEDURE A
Pre-assembled transmitters,
integral mount with rigid probe
1. Thread transmitter assembly into mounting bushing on
tank.
2. Tighten securely, being certain that the wrench is applied
ONLY to the packing gland nut. See Figure 2.
3. Proceed to Wiring instructions
on page 5.
Transmitter
housing
Probe
terminal
Electrical
entry
PC board
Packing
gland nut
Rigid probe
Figure 2
Integral mount models with rigid probe
MOUNTING PROCEDURE B
Unassembled transmitters,
integral mount with rigid probe
1. Thread probe into mounting bushing on tank.
2. Tighten securely, being certain that the wrench is
applied ONLY to the packing gland nut. See Figure 3.
3. Screw the transmitter/probe housing onto the probe.
See Figure 3. Do not pinch or cut the packing gland.
4. Screw housing on probe until hand tight. Housing can be
wrench tightened to align electrical connection. See
Figure 2.
5. Remove housing cover.
6. Locate the white wire, which is fastened to the (+) Probe
Terminal. Connect the free end of this wire to the probe
connection screw.
7. Proceed to the "WIRING INSTRUCTIONS" on page 5.
Probe connection screw
Concentric
ground tube
Probe
Figure 1
MOUNTING
Packing gland nut
(when installing, use wrench
on this nut only)
Two-wire transmitters with probes up to and including
305 mm (12") in length are shipped pre-assembled. Twowire transmitters with probes over 305 mm (12") in length
are shipped unassembled to avoid damage during transit.
They must be assembled before mounting. Follow the
mounting procedure for your particular case.
Figure 3 –
Threaded probe
CAUTION: Packing glands used on all Magnetrol
rigid probe assemblies have been sealed at the
factory under controlled conditions. Care must be
exercised when installing probe assemblies to
avoid breaking pressure tight gland seal, which
destroys the seal.
3
MOUNTING PROCEDURE C
INSTALLATION (cont.)
Unassembled transmitters,
integral mount with flexible probe
CAUTION: Flexible probes are shipped with the
cable clamp and the packing gland nut hand
tightened. The end of a flexible probe MUST be
secured to the bottom of the tank by either
attachment to a bracket or to a heavy weight, in
order to keep the probe taut. Follow the mounting
instructions listed below.
1. Unscrew probe from probe housing. Remove mylar
housing insulator located over the clamp. See Figure 4.
Probe
connection
screw
Clamp
TEFLON retaining
bushing
Upper packing
gland nut
Lower packing
gland nut
Flexible probe
Probe end
Tank bracket
connection
Socket head clamp screws (2)
Mylar housing insulator
(slips over clamp)
Probe end
Optional weight
Probe locking
set screw
Optional mounting
bracket (used with
insulated probes)
Tank bracket
connection
Figure 4
Flexible probe assembly
CAUTION: Do not discard mylar housing insulator.
2. Attach weight (if used) to probe end.
3. Insert probe end through tank mounting bushing and
feed cable into the tank. DO NOT allow probe to be
damaged by scraping against the bushing threads.
CAUTION:
Apply wrench to lower packing gland nut only.
NOTE: Do not allow the probe to fall in the tank while following steps 7 through 11.
7. Loosen both socket head clamp screws.
8. Pull clamp and teflon retaining bushing off probe.
9. While holding probe cable, loosen upper packing gland
nut.
10. Pull excess cable up through packing gland nut until
cable is taut.
11. Tighten the packing gland nut.
12. Cut off cable 35 mm (1.35") above top of packing gland
nut and strip off 30 mm (1.25") of insulation.
13. Slide teflon retaining bushing onto cable and seat it into
the packing gland nut.
14. Slide clamp onto cable and seat it in the teflon retaining
bushing.
15. Tighten both socket head clamp screws to approx.
3.96 Nm (35 in./lb.) torque.
16. Slip mylar housing insulator over clamp.
17. Screw housing onto probe and tighten. Make sure
electrical connection is properly aligned for wire entry.
18. Locate the white wire which is fastened to the (+) Probe
Terminal. Connect the free end of this wire to the probe
connection screw.
19. Proceed to the Wiring Instructions on page 5.
MOUNTING ALL TRANSMITTERS WITH METERS
Follow the mounting procedure for your model as
indicated in the Model Identification chart on page 2.
Then proceed to the WIRING INSTRUCTIONS FOR
TRANSMITTERS WITH METERS on page 5.
CAUTION: Probe cable must not be in contact with
anything metallic in its final installation position.
4. Secure lower end of probe (or optional weight) to tank
bracket if one is used. See Figure 4.
5. Apply thread sealant to mounting nut.
6. Screw mounting nut into tank bushing until tight.
SPECIAL CONDITIONS FOR ATEX
INTRINSICALLY SAFE USE
-
-
4
When the material is equipped with an aluminium enclosure, all precautions shall be taken in order to avoid all impacts or
frictions which can include the ignition of the potentially explosive atmosphere.
The probes, in their insulated finitions, don't answer to the requirements of clause 4.4 of the standard EN 60079-26. The
user shall, therefore, taken all necessary precautions during the use of these probes in a category 1 (Zone 0) zone.
Furthermore, these probes shall be only used in conductive liquids (conductivity ≥ 10 µS/cm).
For the remote mount, the cable between the probe and the amplifier shall not exceed 6 m and shall withstand a voltage
test of 500 V AC at least.
WIRING
TRANSMITTERS WITHOUT METERS
All wiring between the power supply and the transmitter
should be done with 18 AWG to 22 AWG shielded twisted
pair. The connection is made at the terminal strip within the
transmitter enclosure.
CAUTION: Units are designed to operate on 14 to
40 V DC power only. Application of 240/120 V AC
will destroy the instrument.
1. Make sure the power source is turned off.
2. Pull power supply wires through electrical connection.
3. Connect the positive supply wire to the (+) terminal, and
the negative supply wire to the (-) terminal.
NOTE:
Leave shield unattached at the power source. Attach the
ground at the transmitter.
4. Replace the transmitter housing cover until time to
calibrate.
5. Connect the positive supply wire to the positive terminal
of the power source. See Figure 5.
6. Connect the loop current meter in series with the
negative supply wire as follows:
a. Negative transmitter wire to positive meter terminal.
See Figure 5.
b. Negative meter terminal to negative power source
terminal. See Figure 5.
NOTE: This instrument is designed to operate with a
maximum total loop resistance up to 1300 Ω at 40 V DC.
Refer to chart 1 to find the maximum allowable loop
resistance for the power supply voltage in use. Consult the
factory for further information.
Loop Resistance vs. Power Supply Voltage
1300
1300 ohms
@ 40V
MAXIMUM LOOP RESISTANCE (Ohms)
(Including Barrier Resistance)
1200
1100
1000
900
800
700
600
500
500 ohms at 24V
400
300
200
100
0
12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
Power Supply Voltage (Volts)
7. Turn on the power. The yellow led on the potted module
should be on. The meter may read anywhere on the
scale, or off the scale at either end. This is normal until
calibration has been completed. Proceed to the CALIBRATION INSTRUCTIONS on page 6.
ZERO
FINE
ZERO
COARSE
+ –
POWER
MODEL 82
KOTRON TWO-WIRE
– OPEN –
+ –
PROBE
3
2
Shield connected at
green ground screw
inside transmitter
-
Test
points
SPAN
FINE
Figure 5
-
1
4 - 20 mA
meter
-
Unused
terminal
SPAN
COARSE
Shielded twisted
pair cable
+
+
Transmitter
housing
3
- +
Meter
-
2
-
1. Make sure the power source is turned off.
2. Remove the cover from the meter housing.
3. Remove the two screws in the meter bracket. The meter
is attached by two wires to the terminal block
underneath it. Pull meter gently out of the housing and
lay the meter to one side, being careful not to disturb the
wiring. See Figure 6.
4. Pull power supply wires through electrical connection on
meter housing. Connect the positive supply wire to the
(+) terminal and the negative supply to the (-) terminal
on the terminal strip under the meter. See Figure 6.
1
-
CAUTION: Units are designed to operate on 14 to
40 V DC power only. Application of 240/120 V AC
will destroy the instrument.
– OPEN –
14 - 40 V DC
+
All wiring between the power supply and the transmitter
should be done with 18 AWG to 22 AWG shielded twisted
pair. The connection is made at the terminal strip within the
meter enclosure.
+
Auxiliary
current
meter
Power source +
INTEGRAL MOUNT TRANSMITTERS W/METERS
Power
supply
terminals
Factory
supplied
wiring
+
Electrical
connection
-
+
Shielded
twisted pair
Power supply &
Signal terminals
Figure 6
Top view integral mount models
with rigid or flexible probe
5. Replace the meter in its housing and replace the meter
bracket screws. Be sure the meter wires are not cut
when replacing the meter cover on the meter housing.
Screw cover clockwise until tight.
6. Replace the transmitter housing cover until time to
calibrate.
7. Connect the positive supply wire to the positive terminal
of the power source. See Figure 5.
8. Connect the negative supply wire to the negative
terminal of the power source. Leave shield unattached
at transmitter. Attach the ground at the power source.
NOTE: This instrument is designed to operate with a
maximum total loop resistance up to 1300 Ω at 40 V DC.
Refer to chart 1 to find the maximum allowable loop
resistance for the power supply voltage in use. Consult the
factory for further information.
9. Turn on the power. The yellow led on the potted module
should be on. The meter may read anywhere on the
scale, or off the scale at either end. This is normal until
calibration has been completed. Proceed to the
Calibration instructions on page 6.
5
AUXILIARY CURRENT METER
CALIBRATION
In order to calibrate the transmitter, you may use either the
loop current meter, or a second current meter which has an
internal resistance of less than 10 Ω.
It should read currents in the range of 1 to 25 mA, with a
resolution of 0.01 mA. Using a meter of less resolution will
somewhat reduce the calibration accuracy.
An error of 0.2 mA is equivalent to a 1% error, based on the
full scale current of 20 mA.
To calibrate the instrument:
1. Remove transmitter housing cover.
2. Check that the LED is glowing (shadowing the LED by
hand may be helpful in brightly lit environments).
NOTE: The LED will glow brighter with increasing signal.
a. If the LED is lit, continue to step 3.
b. If the LED isn’t lit, check for supply voltage of 14 to
40 V at the terminal strip. Also confirm that the
polarity is correct. If LED still does not light, replace
the cover and contact factory.
3. Connect the auxiliary meter’s positive lead to Test point
1 and its negative lead to Test point 2. See Figure 7.
Auxiliary
current
meter
+
-
TP -
TP +
Two calibration procedures are described on page 7. Follow
the one which fits your application.
Please note the following definitions used in the calibration
procedures, referring to Figure 8.
L0 = the level of material in the vessel which corresponds
to 4.0 mA of loop current, i.e., the 0% level.
L1 = a material level higher than L0.
L2 = a material level higher than L1, but less than L3.
L3 = the level of material in the vessel which corresponds
to 20.0 mA of loop current, i.e., the 100% level.
NOTE: To avoid the possibility of a “dead zone”, L0 must
be at least 50 mm (2") above the end of the probe for
conductive media and 100 mm (4") above for nonconductive media.
Calibration A = when material in tank can be set to L0 (0%)
and L3 (100%).
Calibration B = when material in tank can be set to L1
(greater than 0%) and L2 (less than 100%).
NOTE: Calibration Procedure A gives the most accurate
results and is the recommended procedure in all cases.
L3 - 100 %
L2 - less than 100 %
Figure 7
NOTE: This use of TP- and TP+ allows the loop current to
be monitored at the location where the adjustments are
being made, without removing any wires.
It is not necessary to use this auxiliary meter if another
means is available to measure loop current.
a. If the LED goes completely out, proceed to step 4.
b. If the LED doesn’t go out, check the following:
• the meter is properly connected.
• the appropriate meter range has been selected.
• meter resistance is less than 10 Ω for the
selected range.
4. The loop current should now be in the range of 1.5 mA
to 38 mA, which is normal at this point.
6
TWO POINT CALIBRATION - LEVEL INCREASE
L1 - greater than 0 %
L0 - 0 %
Figure 8
Calibration
procedure
B
A
CALIBRATION (cont.)
CALIBRATION PROCEDURE A
1. Move the material in the vessel to its L0 (0%) level.
2. Turn the zero coarse , zero fine and the fine span calibration controls clockwise (CW) twenty full turns or
until ratcheting is heard. Set all the coarse span DIP
switches in their OPEN (down) position .
Ensure that the ZERO dip switches 2 and 3 are in open
position and ZERO dip switch 1 is in closed position .
3. Turn the coarse zero control CCW until the meter
reads close to 4 mA without going under.
4. If the loop current can not be decreased to at least
4.50 mA, turn the Zero Coarse potentiometer fully clockwise, close DIP switch positions “Med” and “High”
sequentially (ONLY ONE SWITCH POSITION SHOULD
BE CLOSED AT A TIME – THE OTHER TWO POSITIONS MUST REMAIN OPEN). Repeat Step 3.
5. Turn potentiometer Zero Fine counterclockwise until
the loop output reads exactly 4.00 mA.
4
+ –
PROBE
L M H
O E I
W D G
H
3
SPAN
30-9012-001
COARSE
ZERO
4-20 mA
test points
2
FINE
MED
LOW
1
HIGH
3
2
FINE
COARSE
+ –
POWER
3
Figure 9
– OPEN –
1
– OPEN –
5a
5b
5c
1 2
6. Fill the vessel to the desired L3 (100%) level. Ensure
that the SPAN DIP switches are still in open position.
NOTE: The loop current may not rise in proportion to the
rising material level in the vessel. Instead, the loop current
may rise rapidly ahead of the material level.
7. After the vessel has been filled to L3 (100%), in
sequence, individually move SPAN COARSE DIP
switches 1, 2 and 3 to the CLOSED (up) position until
the current output is as close to 20 mA as possible without going under. Only one DIP switch should be
CLOSED at any time - the others are to remain OPEN
(down).
8. Turn the span fine calibration control CCW until the
meter reads exactly 20 mA. Calibration is now complete.
CALIBRATION PROCEDURE B
1. Set the material level in the vessel to L1, some point
above 0%. Record the L1 level in mm, cm, inches, feet
or percent of span.
2. Turn the coarse zero , zero fine and the fine span calibration controls clockwise (CW) twenty full turns or
until ratcheting is heard. Set all the coarse span DIP
switches in their OPEN (down) position .
Ensure that the ZERO dip switches 2 and 3 are in open
position and ZERO dip switch 1 is in closed position .
See Figure 9.
3. To determine the correct output level at this point, use
the following formula:
(L1 - L0)
L1mA = ( (L3
- L0) x 16) + 4
4. Turn the Zero Coarse potentiometer counterclockwise
until the loop output is between L1mA and L1mA +
0.5 mA.
5. If the loop current output cannot be decreased to at least
L1mA + 0.5 mA, turn the Zero Coarse potentiometer fully
clockwise, close Zero Coarse DIP switch positions
“Med” and “High” sequentially (ONLY ONE SWITCH
POSITION SHOULD BE CLOSED AT A TIME—THE
OTHER TWO POSITIONS MUST REMAIN OPEN).
Repeat Step 4.
6. Turn potentiometer Zero Fine counterclockwise until the
loop output reads exactly L1mA.
7. Move the media level in the vessel to the highest level
you can set.
8. To determine the correct output level at this point, use
the following formula:
(L2 - L0)
L2mA = ( (L3
- L0) x 16) + 4
9. In sequence, individually close Span Coarse DIP switches “Low”, “Med”, and “High”, until the loop current is as
close to (and not less than), L2mA. (ONLY ONE SWITCH
POSITION SHOULD BE CLOSED AT A TIME—THE
OTHER TWO POSITIONS MUST REMAIN OPEN).
10. Turn the Span Fine potentiometer counterclockwise until
the loop current is exactly L2mA.
Calibration is now complete.
7
TROUBLESHOOTING
Problems which might be encountered during installation,
calibration and operation of the Two-Wire Transmitter are
listed below with their solutions.
INSTALLATION
LED doesn't light after wiring is completed and power turned on.
a. Wires reversed at supply or transmitter.
b. Wires broken or not connected.
c. Excessive loop resistance. See chart for max. resistance.
d. Power supply not turned on.
e. Insufficient source voltage. 14 V minimum is required at
transmitter terminals.
f. Test points jumpered together with current meter.
Remove meter.
g. LED is actually on, but very dim. Turn span and zero
potentiometers fully clockwise; if LED is now on,
proceed with calibration.
h. P.C. board defect. Consult factory for help.
CALIBRATION
1. Test meter connected to calibration points, LED still on.
a. Wrong test meter mode. Use low resistance current
meter.
b. Test meter resistance is too high. Obtain meter with
less than 10 Ω resistance.
c. Test meter not properly connected to calibration points.
d. Defective test meter or leads; meter fuse blown.
2. Cannot read loop current at calibration points and LED
is off.
a. Meter set at too high of a range. Maximum loop
current is 38 mA (0,038 A).
b. Calibration points jumpered together. Remove jumper.
c. No power, or insufficient power at transmitter terminals.
- Refer to steps “a” through “h” under INSTALLATION
section above.
3. Zero point cannot be set to 4 mA at low level.
a. Wires reversed at supply or transmitter.
b. Span controls incorrectly set
- Turn span potentiometers fully clockwise before
calibrating zero.
8
c. Excessive probe capacitance
- Maximum zeroing range is:
450 pf-zero dip switch 1 in closed position
650 pf-zero dip switch 2 in closed position
1000 pf-zero dip switch 3 in closed position
- Decrease length of probe covered at zero level;
- Use smaller diameter probe; or
- Remove stilling well; or
- Increase diameter of stilling well; or
- Locate probe farther from walls; or
- Use probe with lower dielectric insulation; or
- Replace bare probe with insulated probe; or
- Consult factory.
4. Span point cannot be increased to 20 mA at high level.
a. Span controls incorrectly set
- Turn span controls clockwise.
b. Insufficient probe capacitance
- Increase span length of probe; or
- Increase probe diameter; or
- Locate probe closer to wall(s); or
- Use probe with higher dielectric insulation; or
- Install stilling well; or
- Use smaller diameter stilling well; or
- Consult factory.
c. Incorrect transmitter power
- Refer to steps “a” through “h” under INSTALLATION
section above.
d. Excessive loop resistance
- See chart 1 on page 5 for maximum allowable loop
resistance.
5. Span current cannot be reduced to 20 mA at high level.
a. Span controls set too high
- Turn span controls counterclockwise.
b. Excessive probe capacitance (max. span is 4000 pf)
- Decrease span length of probe; or
- Use smaller diameter probe; or
- Remove stilling well; or
- Increase diameter of stilling well; or
- Locate probe farther from walls; or
- Use probe with lower dielectric insulation; or
- Replace bare probe with an insulated one; or
- Consult factory.
c. Low probe resistance to ground
- Probe resistance must be more than 10 MΩ.
- Consult factory.
OPERATION
TROUBLESHOOTING (cont.)
1. Loop current oscillates or hunts.
a. Waves or disturbances in medium
- Use stilling well; or
- Use external cage or standpipe for transmitter
- Correct instability of medium.
b. Probe moving within vessel
- Improve probe anchoring.
2. Loop current randomly unstable.
a. Disturbances in medium
- Correct instability of medium.
b. Power supply unstable
- Repair or replace power supply.
c. Electrical interference (RFI)
- Consult factory.
3. Loop current exceeds 20 mA.
a. Incorrect calibration
- Recalibrate unit.
b. Material level above 100%
- No corrective action needed on transmitter.
c. Extreme material build-up on probe
- Possible misapplication; consult factory.
d. Shorted or resistive probe
- Replace (or possible repair) probe. Consult factory for
assistance in determining cause.
e. Supply voltage is out of limits at transmitter terminals
- Allowable voltage between 14 and 40 V DC.
See chart 1 on page 5.
f.
Excessive temperatures at transmitter electronics
- Use remote electronics; consult factory.
g. Excessive loop resistance. See chart 1 on page 5.
- Reduce loop resistance; or
- Increase supply voltage; consult factory.
4. Loop current less than 4 mA.
a. Incorrect calibration
- Recalibrate unit.
b. Material level below 0%
- No corrective action needed on transmitter.
c. Shorted or resistive probe
- Replace (or possibly repair) probe. Consult factory for
assistance in determining cause.
d. Supply voltage out of limits at transmitter terminals
- Adjust power supply; or
- Reduce loop resistance.
e. Excessive temperatures at transmitter electronics
- Use remote electronics; consult factory.
f. Excessive loop resistance.
- Reduce loop resistance.
5. Non-linear output.
a. Incorrect calibration
- Recalibrate unit.
b. Excessive loop resistance
- Reduce loop resistance; or
- Increase supply voltage.
c. Damaged jacket on insulated probe
- Identify and eliminate cause of damage, then replace
probe.
d. Extreme material build-up on probe
- Possible misapplication; consult factory.
e. Interfering surfaces too close to probe
- Mount probe in better location; or
- Use stilling well; or
- Use non-metallic brackets and/or standoffs to position
flexible or extremely long rigid probes a uniform
distance from the tank wall.
f. Curved or non-parallel surfaces near probe
- Mount probe in better location; or
- Use stilling well.
9
REPLACEMENT PARTS
TRANSMITTER
No.
1
2
3
4
Description
Aluminium
Cover
Stainless steel
O-Ring
5
Z30-9012-001
20-4 mA
Base
004-1739-001
1.5" Long, 3/4” NPT Pipe Nipple
Cover assembly
011-1105-014
O-ring
7
O-ring
4
012-2501-246
1” x 3/4” Bushing
10
3
1
036-3908-001
O-Ring
9
012-2101-345
004-9112-001
Cover Assembly
8
004-9142-001
037-3145-001
Base
7
004-9105-001
Part Number
Meter Assembly
6
Z30-9012-002
consult factory
Cover
PC board
Description
No.
Part Number
4-20 mA
P.C. Board
METER
8
Meter assembly
5
Bushing
6
9
0
20
40
60
80
100
Base
2
10
Pipe nipple
Mounting bracket
22
Meter
Transmitter
Description
Supply Voltage
Current
Electrical Data
Equivalent Data
ELECTRICAL SPECIFICATIONS
Specification
14 to 40 V DC
38 mA max.
Ui = 28,4 V, Ii = 94 mA, Pi = 0,67 W
Ci = 3 nF, Li = 201 µH
Line Variation
Less than ± 0.10%/V, for voltages between 14 to 40 V DC
Zero Range
1000 pF (Max.)
1000 pF (Min.)
Ambient Temperature
-40°C to +70°C (-40°F to +160°F)
-40°C to +60°C (-40°F to +140°F) for Ex ia II C T6
Span Range
4000 pF (Max.)
1050 pF (Min.)
Response Time
Less than 0.1 s
Output Linearity
Repeatability
Temperature Coefficient of Output
-40°C to +70°C (-40°F to +160°F)
10
50- 500 pF ± 1 % of SPAN
501-1500 pF ± 2 % of SPAN
1501-4000 pF ± 1 % of SPAN
Better than ± 1.0%
Base
4000 pF span: Less than 0.063%/°C (0.035%/°F)
1000 pF span: Less than 0.045%/°C (0.025%/°F)
1050 pF span: Less than 0.135%/°C (0.075%/°F)
DIMENSIONS in mm
INTEGRAL MOUNT
NOTES: Allow 102 (4.00) overhead clearance for cover removal.
Blind transmitter
with rigid probe
ø 118
(4.63)
Optional
Mounting
Flange
Transmitter with
analog meter
with rigid probe
76
(3.00)
70 (2.75)
*
*
Optional
Mounting
Flange
3/4" NPT or
M20 x 1.5
Probe ø
102 (4.00) - 10 (.375)
127 (5.00) - 13 (.50)
16 (.625)
76
(3.00)
1" NPT
*
*
Insertion length:
15 cm to 3 m (6" to 10')
consult factory for longer lengths
Probe ø
102 (4.00) - 10 (.375)
127 (5.00) - 13 (.50)
16 (.625)
Insertion length:
15 cm to 3 m (6" to 10')
consult factory for longer lengths
10 (.375)
13 (.50)
16 (.625)
Blind transmitter
with flexible probe
ø 118
(4.63)
ø 321
(12.65)
10 (.375)
13 (.50)
16 (.625)
3/4" NPT or
M20 x 1.5
Optional
Mounting
Flange
119
G
(4.67)
13 (0.50)
Typ.
3/4" NPT
Optional
Anchor
Assembly
124
(4.87)
127
(5.00)
19
(0.79)
3 (0.1250)
5 (0.1875)
6 (0.2500)
75
(2.95)
Insertion length:
3 m to 45 m (10' to 145')
consult factory for longer lengths
Optional
34 Weight
(1.32)
11
IMPORTANT
SERVICE POLICY
Owners of Magnetrol products may request the return of a control; or, any part of a control for complete rebuilding or
replacement. They will be rebuilt or replaced promptly. Magnetrol International will repair or replace the control, at no cost to
the purchaser, (or owner) other than transportation cost if:
a. Returned within the warranty period; and,
b. The factory inspection finds the cause of the malfunction to be defective material or workmanship.
If the trouble is the result of conditions beyond our control; or, is NOT covered by the warranty, there will be charges for labour
and the parts required to rebuild or replace the equipment.
In some cases, it may be expedient to ship replacement parts; or, in extreme cases a complete new control, to replace the
original equipment before it is returned. If this is desired, notify the factory of both the model and serial numbers of the
control to be replaced. In such cases, credit for the materials returned, will be determined on the basis of the applicability of
our warranty.
No claims for misapplication, labour, direct or consequential damage will be allowed.
RETURNED MATERIAL PROCEDURE
So that we may efficiently process any materials that are returned, it is essential that a “Return Material Authorisation” (RMA)
form will be obtained from the factory. It is mandatory that this form will be attached to each material returned. This form is
available through Magnetrol’s local representative or by contacting the factory. Please supply the following information:
1. Purchaser Name
2. Description of Material
3. Serial Number and Ref Number
4. Desired Action
5. Reason for Return
6. Process details
Any unit that was used in a process must be properly cleaned in accordance with the proper health and safety standards
applicable by the owner, before it is returned to the factory.
A material Safety Data Sheet (MSDS) must be attached at the outside of the transport crate or box.
All shipments returned to the factory must be by prepaid transportation. Magnetrol will not accept collect shipments.
All replacements will be shipped Ex Works.
BULLETIN N°:
EFFECTIVE:
SUPERSEDES:
UNDER RESERVE OF MODIFICATIONS
BE 50-613.10
OCTOBER 2013
September 2004
www.m a gne tr ol.c om
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FRANCE
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Tel. +91 (11) 41661840 • Fax +91 (11) 41661843 • E-Mail: [email protected]
ITALIA
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Tel. +39 02 607.22.98 • Fax. +39 02 668.66.52 • E-Mail: [email protected]
RUSSIA
198095 Saint-Petersburg, Marshala Govorova street, house 35A, office 343
Tel. +7-812.702.70.87 • E-Mail: [email protected]
U.A.E.
DAFZA Office 5EA 722 • PO Box 293671 • Dubai
Tel. +971-4-6091735 • Fax +971-4-6091736 • E-Mail: [email protected]
UNITED
KINGDOM
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Tel. +44 (0)1444 871313 • Fax +44 (0)1444 871317 • E-Mail: [email protected]