Camlogic PFG05 Series User manual

COSTRUZIONI MECCANICHE ELETTRICHE
Use and maintenance manual for rotary level indicator series PFG05 & PFG57
PRODUCT IDENTIFICATION
The PFG05 and PFG57 series instruments are rotary level indicators for granular solids. The identification of the device is
accomplished by the specific label outside the casing, whose characteristics are shown below:
Tampering with the label entails the loss of validity of the product certifications.
Ex MARKING DETAILS
II 1/2 D ta/tb
ta/tb
Ex
Ex
IIIC
IIIC
T**
T**
IP65 ATEX MARKING (2014/34/EU / S.I. 2016 No. 1107)
IECEx MARKING (International standards)
European community marking for equipment intended for use in areas
under risk of explosion.
Group II equipment intended for use in surface industry.
Category 1 equipment, suitable for use in areas classified Zone 20 inside the
silos (only the mechanical part below the connection to process); Category 2
Zone 21 outside the silos (all parts).
Combustible dusts; combustible substance present in the area of installation
and the internal volume.
Ex symbol.
Protection method Ex t - protection from the ignition of combustible dusts
from enclosure (internal ta / external tb).
For combustible dusts type IIIC (suitable for use with any kind of dust).
Temperature class (maximum surface temperature the device can reach):
T85°C = standard version
T200°C = high temperature versions (PFG-*.../AT)
IP65 (Ingress Protection) - 6 = dust tight, no ingress of dust; 5 = protection
against jets of water, limited ingress protection.
INSTALLATION
Use and maintenance manual for rotary level indicator series PFG05 & PFG57 Page 1 of 4
IMG.1
The device can be installed in any position. In case of an horizontal or titled
installation, mount the device with the cable entrance on the right side for PFG05
models, or lower side for PFG57 models. The coupling of the instrument with the wall
of the container (silos) can be either threaded or anged; images 2 and 3 show the
standard couplings. Always refer to the technical drawings supplied by the
Manufacturer together with this manual.
Protect the device from falling material or excessive weight, using protective
deectors. For cable entries, 1 (one) or 2 (two) G 1/2 threaded holes (BSPP) are
available. Seal the cable entries with cable glands or sealing caps suitable for the
operating range shown on the label. The protective caps supplied with the device are
only for protection during transport and storage, they are not suitable for the use of
the instrument and it is responsibility of the installer to replace them.
1. Production year of the instrument
2. Manufacturer data
3. Product model and electrical rating
4. Warnings
5. Ambient temperature range:
-20°C ÷ +70°C (standard application, all models)
-40°C ÷ +70°C (low temperature applications, models PFG*.../B)
Maximum process temperature:
+70°C (standard applications)
+200°C (high temperature applications, models PFG*.../AT)
6. Conformities and Notied Body number
7. Serial number
8. Ex / IECEx markings and certicate numbers
1
2
3
4
5
6
7
8
Da/Db
Da/Db
EPL (Equipment Protection Level) - Da = very high for the part operating in
Zone 20 / Db = high for the part operating in Zone 21.
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R
S.a.s. di Guazzetti Giovanni & C.
Via dell'Industria 12 - 12/A - 42025 CAVRIAGO - RE - Italy
CF/PI/Iscr.Reg.Imprese RE 00303000350
VAT IT00303000350 REA 90637
Telefono/Phone [phone]
www.camlogic.it - email: [email protected]
0948

ELECTRICAL CONNECTION
The entire connection of the device must take place
while the device is de-energized. The earthing
connection (by means of an M5x8 screw and a
notched stainless-steel washer) must take place
before any other connection is established.
On the device there are two terminals for the
protective earth connection, marked by the relative
symbols (IEC 60417 / BS EN 60417-1): one inside the casing and one outside, in proximity of the cable entry. The cross-sectional
2
area of the protective earth (PE) conductor must be the same as that of the phase conductor (S), with a maximum of 16mm .
Connect both earthing terminals to the equipotential line.
Before putting the device into service, make sure that the power supply voltage corresponds to the voltage indicated on the plate.
Protect the power and signal carrying cables with an overload protection element (rated current ≤ 10A).
A disconnect switch must be present near the device, to cut off power supply in the event of a fault. Utilize cables suitable for use
up to 90°C. The wiring diagram is located inside the lid.
PFG57
IMG.2
4x ø7
ø140 ø120
G 1" 1/2
(BSPP)
23
PFG05
IMG.3
ø203 ø178
6x ø7,5
G 2" 1/2
(BSPP)
35
Use and maintenance manual for rotary level indicator series PFG05 & PFG57 Page 2 of 4
PFG05
115/230 AC 24/48 AC 24 DC
Neutral
115V (50/60Hz)
230V (50/60Hz)
1
2
3
Neutral
24V (50/60Hz)
48V (50/60Hz)
±24V
±24V
unused
Rotation control (voltage equal to contact 1)
Voltage control (voltage equal to contact 7)
4
5
Normally closed
Common (max. 10A/250V)
Normally open
Normally closed
Common (max. 10A/250V)
Normally open
6
7
8
9
10
11
ADDITIONAL
SIGNAL
(optional)
MAIN
SIGNAL
ALARMS
(optional)
POWER
SUPPLY
The diameter of the power supply cable must correspond to the tightening range indicated by the cable gland used.
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Use and maintenance manual for rotary level indicator series PFG05 & PFG57 Page 3 of 4
SAFETY WARNINGS
The installation, maintenance and diagnostics of the device must be carried out only by authorized personnel informed about the
regulations in force. Before starting work, specialized personnel must have read and understood the instructions. When using
electrically operated equipment, it is necessary to take the appropriate safety precautions, required by current regulations, to
reduce the risk of fire, electric shock, and injury to people.
Before installing the device, check its perfect integrity making sure that it has not been damaged during transport.
The removal/replacement/modification of any part of the device entails the loss of validity of the certifications of the products itself.
The earthing connection is mandatory and the sole responsibility of the installer.
Level indicators must be used within the range of ambient temperatures indicated on the plate. The PFG*.../B models are
suitable for use in low temperatures un to -40°C, thanks to the internal self-regulating heater, which guarantees a service
temperature inside the casing, necessary to its proper operation. When an internal temperature of 20°C is reached, the heater
switches off autonomously.
SPECIFIC CONDITION FOR USE OF ATEX / IECEX MODELS
In accordance with Directive 1992/92/EC / DSEAR 2002, it
is responsibility of the user to ensure that the equipment,
used in areas where an explosive atmosphere might be
present, is maitained in such a way as to reduce the risk of
explosion. Installation must be carried out in compliance
with IECE 60079-14 / BS EN 60079-14 standard.
Install the device in compliance with the Ex-zones
indicated in image 4 (all parts can be installed in zone 21;
only the mechanical part - paddle, shaft, support - below
the connection to process can be installed in zone 20).
Seal the cable entries with cable glands or sealing caps
certified in compliance with the Directive 2014/34/EU / S.I.
2016 No. 1107 for the tb protection method, provided with
a gasket for the interface with the device casing, able to
guarantee a minimum ingress protection (IP) of 65.
The plastic protective caps supplied with the level indicator
are not suitable for use in explosive atmospheres and it is
responsibility of the installer to replace them. The device is
not explosion-proof when the casing is open. Close the
cover minding the correct orientation.
After installing, check that you have completely tightened
the cover screws and that you have tightened the cable
glands and any sealing caps correctly, before starting the
device. Avoid the onset of electrostatic charges on plastic
parts (do not rub dry).
In the case of the version with lamp PFG*/L, protect the
plastic parts from direct exposure to solar radiation.
In the case of models for high temperature applications
PFG*.../AT, use cables suitable for temperatures ≥ 100°C.
For all PFG57* versions, the equipment should be installed in such a way that the risk of mechanical danger is low (the aluminium
case must be protected against impact.
The maximum surface temperature is calculated taking into account a safety margin, but without considering a possible dust
deposit on the equipment. During installation, use and maintenance, any electrostatic charging should be avoided, for example
by: protection from direct air flow, cleaning with wet clothes, earthing connection of the housing perfectly grounded.
ZONE 21 ZONE 20
or
ZONE 22
or
non-hazardous
area
or
ZONE 21
IMG.4
MAINTENANCE
Maintenance must be carried out in compliance with IEC 60079-17 / BS EN 60079-17 standards.
CAMLogic level indicators need no routine maintenance, however it is advisable to carry out the following checks: at each
opening of the cover or removal of the instrument, visually check the sealing gaskets present.
PFG57
115/230 AC 24/48 AC 24 DC
Neutral
115V (50/60Hz)
230V (50/60Hz)
1
2
3
Neutral
24V (50/60Hz)
48V (50/60Hz)
±24V
±24V
unused
Normally closed
Common (max. 10A/250V)
Normally open
4
5
6
MAIN
SIGNAL
POWER
SUPPLY
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Use and maintenance manual for rotary level indicator series PFG05 & PFG57 Page 4 of 4
In case there is evidence of damage or excessive tearing of the gaskets on the cover or other parts of the device, contact the
manufacturer CAMLogic for the replacement with suitable materials.
The screws on the cover must be fully tightened and the cable glands and/or sealing caps must be properly tightened; make sure
that the power and grounding terminals are correctly connected and in good condition.
REPAIR
The level sensors series PFG05* and PFG57* can only be repaired by the manufacturer CAMLogic of following instructions from
the manufacturer. In case of doubts concerning malfuctions or repairs, contact the manufacturer: CAMLogic S.a.s. di Giovanni
Guazzetti & C. - Via dell’Industria 12-12/A - 42025 Cavriago (RE) - Italy.
In any case, the repairs must be carried out in compliance with IEC 60079-19 / BS EN IEC 60079-19 standards.
WARRANTY
CAMLogic, in addition to the terms of the supply contract, guarantees its products for a period of twenty-four (24) months from the
date of shipment. This warranty is expressed only in the repair or replacement free of charge of parts that, after careful examination
by the Manufacturer, turn out to be defective.
Warranty, excluding all liability for direct or indirect damage, is considered to be restricted to only defects in materials and has no
effect if the parts returned turn out to have been anyhow dismantled, tampered with or repaired by anyone other than the
Manufacturer.
Warranty likewise excludes damage derifing from negligence, carelessness, bad or improper use of the level gauge, or from bad
handling by the operator and faulty installation. Warranty is moreover forfeit if non-genuine spare parts have been used.
A returned level indicator, even if under warranty, must be shipped carriage free.
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