Electronic Paint-mixing Scale for Use
in Potentially Explosive Atmospheres
1000025334
General View of the Equipment
General View of the Equipment
ItemDescription
Display and control unit
2 Display
3 U key (Zeroing/Taring)
4 I toggle key depending on the menu setting:
You can configure the PMA35001 menu to enable
toggling between grams (g) and parts per pound (p).
5 Leveling foot
6 K factor key for paint-mixing applications
7 c key (Clear) and [REC] key
for paint-mixing applications
8 L [ENTER] key and [MEM] key for paint-mixing
applications
2 Operating Instructions PMA 35001-X
Item Description
9 Mounting bracket for display and control unit
10 Interface (D-SUB socket, 9-pin)
11 Grounding terminal
12 Adapter cable for the AC adapter
13 Level indicator
14 Cable connection
15 Load plate
16 S key: down
17 Power supply and data cable for the display and
control unit
18 R key: up
19 Q key (on/standby)
Contents
Contents
General View of the Equipment ..................................... 2
Certification: CE Type Test ..................................... 32
Verification of Intrinsic Safety, English ............................ 35
Certificate of Compliance ......................................40
Operating Instructions PMA 35001-X 3
User Information
User Information
About these Installation Instructions
t Please read these installation instructions carefully before putting the
equipment into operation for the first time.
t Make sure to follow the safety instructions.
t Keep these installation instructions in a safe place that is easily accessible to
allpersonnel who operate this equipment.
t If these instructions are lost, please contact Sartorius for a replacement or
download the latest manual from our website, www.sartorius.com.
Warning/Danger Symbols
Warning/danger symbols used in these instructions:
This symbol identifies hazards which have a high probability of resulting in
death or serious physical injury if not avoided.
This symbol identifies hazards that can result in moderate or mild injuries if not
avoided.
These notes identify hazards associated with the risk of material damage.
This symbol identifies useful information and tips.
Explanation of Symbols
The following symbols are used in these instructions:
t Indicates a required action
4 Operating Instructions PMA 35001-X
y Describes what happens after you have performed a particular step
1. Perform steps in the specified order
2.
– Indicates an item in a list
Intended Usage
Intended Usage
The PMA35001-X is a scale designed for use in paint-mixing applications. The
scale can be operated via the keypad as a stand-alone device or using application
software (such as a paint-mixing program from a paint manufacturer) installed on
a connected PC.
If you wish to create your own application software, Sartorius can supply the
required drivers for Windows operating systems.
Make sure to read and store these installation instructions carefully before
installing and operating your paint-mixing scale.
Safety Instructions
This device meets stipulated safety requirements. Improper use or handling,
however, can result in damage and/or injury. The manufacturer is not responsible
for any damage caused by non-compliance with warnings or safety instructions.
– The requirements pertaining to applicable installation regulations must be
followed when using electrical equipment in systems and environmental
conditions with increased safety requirements.
Use of the paint-mixing scale is not permitted in legal metrology or in medical
areas or hazardous areas containing dust or explosive materials.
– The intrinsically safecolor-mixing scale has been manufactured in accordance
with the European standards of CENELEC (see “EC Type Examination
Certificate" in the appendix).
The color-mixing scale can be used with intrinsically safe Sartorius accessories
in Zone 1 areas. (see: “Verification of Intrinsic Safety", cert. no: 36953-761-60).
Operating Instructions PMA 35001-X 5
Safety Instructions
The IP protection rating of the color-mixing scale in accordance with EN 60529 is
IP 43.
The device must be handled carefully in accordance with the IP protection rating.
The environment must be suitably secured.
The color-mixing scale meets all requirements for electromagnetic compatibility
(EMC). Interference stronger than the maximum values specified in the standards
(see Declarations of Conformity) should be avoided.
The casing on all connection cables as well as the casing on the wires inside the
equipment housing are made of PVC. Chemicals that corrode this material must
bekept away from these cables.
None of the components of the color-mixing scale should be exposed to ambient
temperatures outside the range of 0°C to 40°C during operation. Sufficient
ventilation must be provided, in order to avoid excessive build-up of heat.
The equipment must only be used indoors. Avoid generating static electricity
onglass and plastic parts. The color-mixing scale must be connected to the
equipotential bonding conductor using a suitable low resistance method.
All electrical circuits are earthed and electrically connected to the metal parts of
the device.
– The scale must be checked for correct function and safety by a trained and
qualified person at appropriate intervals (e.g. checking the cable for damage).
– Operating personnel must be trained to recognize faulty operating states and to
be able to initiate the necessary safety measures.
Proceed with extreme caution when using pre-wired connection cables purchased
from other manufacturers, as the pin assignments may not be compatible with
Sartorius equipment.
Only use cables and cable lengths approved by Sartorius.
– The operator is solely responsible when using cables not supplied by Sartorius.
The scale should only be opened by trained personnel with the power
disconnected. Danger to life: do not touch conductive parts of the power supply
wiring!
6 Operating Instructions PMA 35001-X
The scale must be installed and operated in a way that ensures that the control
unit cannot be damaged (e.g., by falling objects).
If the control unit is damaged, disconnect the device from the power supply
immediately.
A defective device may only be repaired by trained service technicians in
accordance with Sartorius guidelines. Only original replacement parts should be
used. Always ensure that the equipment is disconnected from AC power before
performing any maintenance, cleaning, or repair work.
If the equipment is opened by anyone other than persons authorized by Sartorius,
all claims under the manufacturer's warranty are forfeited. If necessary, speak to
your dealer or the Sartorius Service Center.
Safety Instructions
Ex Zone 1 (Category 2 Equipment)
– In accordance with Directive 94/9/EC, the PMA35000-X model is a category 2
device, suitable for use in Zone 1 potentially explosive areas.
EC Type Examination Certificates: DEKRA 12ATEX0180 X ID code: II 2 G Ex ia
IIC T4 Gb
The scale may only be connected to supply voltages of 90 V to 264 V at a
frequency of 48–62 Hz.
If the device is used in Zone 1 potentially explosive areas outside the Federal
Republic of Germany, the relevant national electrical codes and safety regulations
must be observed. Ask the dealer or Sartorius Service Center about the guidelines
that apply in their country.
The following points must be followed:
This scale should only be opened by trained personnel with the power
disconnected.
The device is intended to be installed exclusively in locations that offer sufficient
protection against the penetration of solid foreign bodies or water. The safety of
the equipment is compromised by foreign bodies and water.
The terminal must be protected against damage and direct or indirect penetration
of water and foreign bodies (< 1 mm diameter).
Avoid generating static electricity on the front panel and plastic casing.
The equipotential bonding conductor of the devices must be connected properly,
according to commonly accepted technical standards.
Only clean the device as stipulated in the cleaning instructions.
The device must be protected from unnecessarily extreme temperatures, aggressive
chemical vapors, moisture, shocks, and vibrations. Note the connection data
(seeEC Type Examination Certificate of the device and/or the safety instructions,
drawing no. 36953-760-16).
Operating Instructions PMA 35001-X 7
Commissioning
°C
Commissioning
Equipment Supplied
t Unpack the scale carefully.
The scale comprises the following components:
– Scale
– Load plate – Display and control unit
t After unpacking the equipment, check immediately for any visible external
damage. If you detect any damage, proceed as directed in the “Safety
Inspections" chapter (page 23).
Installation
The color-mixing scale is authorized for use in Zone 1 potentially explosive areas
(see documents).
Make absolutely sure that the device is unplugged from the power supply
before connecting/disconnecting data transfer or control lines.
Installation Location
Choose a suitable location where the power supply will not be
exposed to drafts, heat radiation, moisture, or vibrations.
8Operating Instructions PMA 35001-X
Installation
Setup Instructions
The following ambient conditions must be avoided when selecting the installation
location so you can work with extra speed and accuracy:
– Uneven installation location
– Drafts
– Extreme moisture or chemical vapors
– Extreme heat (e.g. avoid placing the terminal/control panel in close proximity to
a heater or exposing it to direct sunlight). Do not set up the device in a control
cabinet or in any other poorly ventilated location.
– Extreme vibrations
Follow all warnings and safety precautions.
– Before startup, make sure that the power cable is properly connected to the
power supply. In particular, the protective conductor must be connected to the
housing of the AC adapter. Connect all devices to the potential equalization
using a ground connection cable (not included) via the equipotential bonding
conductor terminals
Make sure that the cable gage conforms with national specifications.
Installation must be carried out properly by trained personnel and according to
commonly accepted technical standards.
– Only cables and cable lengths approved by Sartorius should be used, which
takeaccount of the limitations of the cable lengths due to the capacity and
inductance values (see appendix on EC Type Examination Certificate) and the
EMC behavior.
– The system should only be operated for the first time when it is certain that the
area is not potentially explosive.
– If deviations are evident during startup due to transport damage (no display,
nobacklighting, etc.), the system should be disconnected from the power
supply and service professionals should be contacted.
Make absolutely sure that the device is unplugged from the power supply
before connecting/disconnecting data transfer or control lines.
This explosion-protected color-mixing scale should be set up according to
commonly accepted technical standards. The applicable national electrical
codesand safety regulations for your particular country must be observed.
– Before commissioning the color-mixing system in potentially explosive areas, a
check must be carried out by or under the supervision of a qualified electrician
to ensure that the system is in good working order.
on the device.
Check whether or not the competent authorities (e.g. industrial supervisory board)
need to be informed. It is also necessary to carry out inspections of the system
during operation. Inspection intervals should be such that any significant defects
that may occur can be identified in good time. Inspections should be carried out
atleast once every three years. The applicable requirements and guidelines should
also be observed during operation.
Operating Instructions PMA 35001-X 9
Setup Instructions
Connect the equipotential bonding connector:
Establish a low resistance connection with the color-mixing scale using a suitable
grounding cable with a gage of at least 4 mm2 (not included) via the equipotential
bonding conductor connections (PA) on the devices.
Installation must be carried out properly by trained personnel and according to
commonly accepted technical standards.
If deviations due to transport damage are evident during startup (e.g. no display,
no backlighting), the system should be disconnected from the power supply and
service professionals should be contacted.
Leveling the Weighing Platform
Purpose:
– To compensate for unevenness at the place of installation
– To ensure that the equipment is placed in a perfectly horizontal position for
consistently reproducible weighing results. Always level the weighing platform
again any time after it has been moved to a different location.
t Level the weighing platform using the four leveling feet. Turn the feet until the
air bubble is centered in the level indicator.
t Ensure that all leveling feet are resting securely on the work surface.
y Each of the leveling feet must support an equal load.
y Adjusting the leveling feet:
To raise the weighing platform, extend the leveling feet (turn counterclockwise). To lower the weighing platform, retract the leveling feet (turn clockwise).
10Operating Instructions PMA 35001-X
Installation
t Place the weighing pan on the balance.
Connecting the Device to AC Power
Power is supplied via a Sartorius AC adapter. Make sure that the voltage rating
printed on this unit matches the voltage at the place of installation.
If the stated supply voltage or the plug design of the power cord does not comply
with the standard you use, please inform your nearest Sartorius representative or
your supplier. Use only original Sartorius adapters: A list of permitted models can
be found in the Accessories (Options) chapter on page 28. The use of cables from
other manufacturers, even if these units have a registered approval rating from
anational testing laboratory, requires the consent of a qualified technician.
When operating the scale in Zone 1 potentially explosive areas, follow the
current standards and regulations for the installation of devices in Zone 1.
In order to connect the equipment to the power supply, use a correctly installed
wall outlet with a protective grounding conductor (PE) and a fuse of a maximum
16 A.
t Connection of the power supply outside of the potentially explosive
atmosphere or mechanically secured (refer to “Safety Information" documents).
t Plug the power cord on the Sartorius AC adapter into the wall outlet (mains).
Observe all warnings and safety precautions.
See also: “Safety Instructions” documents.
Connection of Peripheral Devices:
When installing the device in potentially explosive atmospheres of Zone 1,
connectors may only be plugged in or disconnected in a currentless/dead-voltage
state.
Disconnect the scale from the power line before connecting peripheral devices
(printer, PC) to the interface port of the device.
t When connecting peripheral devices (printer, PC) to the scale's interface port,
make sure that the screws on the data plug are securely tightened.
Observe all warnings and safety precautions.
See also: “Safety Instructions” documents.
Operating Instructions PMA 35001-X 11
Operation
Operation
Press the Q key to turn
on the scale.
Weighing
Place an empty paint can on the load plate.
Press the U key (Zero/Tare) (3).
The display shows “0.0 g.” Pour the first component of your formula into the can
and read off the weight when the stability symbol (in this example) “g" is displayed.
Add the other components up to the desired weight (formula).
Remove the filled paint can from the load plate.
Once the scale has been
turned on, it will run an
automatic self-test. This
ends when the display
shows 0.0 g.
If a different value is
displayed: Tare the
scale using the U
key (Zero/Tare).
12 Operating Instructions PMA 35001-X
Never use a hammer to close a paint can while is it still on the load plate, as this
will damage the weighing system.
The weighing system will get damaged!
Applications
Applications
Formulation Mode (Calculation by a Factor)
This mode enables you to weigh in amounts that are smaller or larger than that of
your basic formula for a specific paint color (e.g. 250 ml of a 1 l formula). Press the
K factor key to select the desired factor (quantity):
By pressing the R key: up
or S key: down
the value can
be modified – in 0.1 increments for factors of 1.0 to 6.0
or – in 0.01 increments for a factor of up to 1.0.
Note:
A flashing n arrow on the display indicates that the weight value displayed is not
valid in legal metrology (i.e. not legal for trade).
Example:
As you pour in the components of your formula, the weight is displayed in “g.”
Let'ssuppose you want to weigh out 3 kg of a 1kg basic formula, and you don't
want to have to manually recalculate the individual components of the formula.
The basic formula for 1 kg is:
250 g 1st component
+ 250 g 2nd component
+ 500 g 3rd component
Total: 1000 g
1. Place the empty container on the load plate and tare the scale.
2. Press the F factor key repeatedly to set the factor to “3.0" for this example.
Operating Instructions PMA 35001-X 13
Applications
3. A “3.0" appears next to the weight readout.
4. Slowly pour in the first “250 g" of component until the display shows “250 g.”
5. Pour in the second “250 g" component until “500 g" is displayed.
6. Pour in the last “500 g" component until “1000 g" is displayed.
This concludes the recalculation example. According to the display, exactly
1000 g was poured in, but the paint in the container weighs 3 kg in accordance
with the factor you selected.
The procedure is the same for any other conversion factor.
Weighing Using the Recalculation Mode
Let's suppose that you poured in too much of one color component for a given
formula (in this example, a 4-component recipe).
This example further assumes that you previously poured in all of the other
amounts exactly according to each of the values you entered and saved by pressing
the L key [MEM]. Press the S key to start the recalculation program; “C" flashes
on the display. Press the S key to correct the value so that it matches the amount
specified in the formula. Press the L key [MEM]; the scale returns to component 1
and automatically calculates the amount to be added for each of the components
that were already poured. The display shows the amounts required to correct the
formula up to the point at which the overpour occurred.
After the correction has been completed, you can continue filling the remaining
components. The same factor is used.
Note:
You can correct overpours as often as needed.
Keep in mind that the total quantity of paint at the conclusion of filling increases
each time you correct a component. Press the c key to check how much the
correction factor for the total quantity will be. “C" stands for “Correction factor."
14 Operating Instructions PMA 35001-X
An n arrow on the display indicates that the weight value displayed is not valid in
legal metrology (i.e. not legal for trade).
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