Festo VACC-S13-18-K4-2U-KS4ME Manual de Usario

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VACC-S13-18-K4-...-KS4ME
Solenoid coil
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Germany
+49 711 347-0
www.festo.com
Operating instruction
8182748
2022-09
[8182750]
8182748
Translation of the original instructions
© 2022 all rights reserved to Festo SE & Co. KG
1 Identification EX
Identification Certificates
Ex e mb IIC T4, T5, T6
Ex tD A21 T80/T95/T130 °C
21-AV4BO-0279X
22-AV4BO-0051X
Tab. 1: Identification EX
2 Applicable Documents
NOTICE
Technical data for the product can have different values in other documents. For
operation in an explosive atmosphere, the technical data in this document always
have priority.
All available documents for the product
è www.festo.com/sp.
3 Certified products
Type Part number
VACC-S13-18-K4-1U-KS4ME 8156759
VACC-S13-18-K4-2U-KS4ME 8156760
VACC-S13-18-K4-3U-KS4ME 8156761
VACC-S13-18-K4-1UF-KS4ME 8156762
VACC-S13-18-K4-27UF-KS4ME 8156763
Tab. 2: Certified products
4 Safety
4.1 General safety instructions
–The solenoid coils can be used in combination with the specified solenoid
valves in zones 1 and 2 for explosive gas atmospheres and in zones 21 and 22
for explosive dust atmospheres.
–Operate the solenoid valve with compressed air only.
–The device is not intended for use with other pressure media.
–Observe the specifications on the product labelling.
–Do not commission the solenoid coil until after mounting.
–Observe the operating conditions.
–Draw in the operating medium from outside the potentially explosive area.
–Installation and commissioning may only be carried out by qualified electri-
cians.
4.2 Intended use
The solenoid coil is intended to be used to actuate valves from Festo.
4.3 Identification X: special conditions
VACC-S13-18-K4-1UF-...ME
–Solenoid coil includes an internal protective device.
–Only use specified solenoid valves.
–The range of application is dependent on the ambient temperature.
–Observe the permitted mounting position of the solenoid coil
è 10 Technical
data.
–Protect the device from electrostatic discharge.
VACC-S13-18-K4-...U-...ME
–Only operate solenoid coils with fuses connected in series è 10 Technical data.
–The interruption rating of the fuses must be equal to or greater than 1500 A.
–Only use specified solenoid valves.
–The range of application is dependent on the ambient temperature.
–Observe the permitted mounting position of the solenoid coil è 10 Technical
data.
–Protect the device from electrostatic discharge.
5 Function
When switching on the voltage, the solenoid is energised, and the valve is actu-
ated. A built-in bridge rectifier limits the switch-off overvoltage.
6 Assembly
1
2
3
4
5
6
7
8
9
Fig.1
1Port 12 (only for external pilot air
supply)
2 Spring washer
3 Vent screw/retaining nut
4 Cable connector (with cap nut)
5Protective earth connection
6 Cover, terminal housing
7 Solenoid coil
8 Armature guide tube
9Solenoid valve
6.1 Mechanical
When loosening the cap nut, prevent the cable connector from working loose.
Note tightening torque: cable fitting 2.3 Nm; cap nut 1.5 Nm.
1. Push the solenoid coil and spring washer over the armature guide tube.
–Sealing compound points to the solenoid valve.
2. Tighten vent screw. Twisting the solenoid coil is no longer possible (tightening
torque 4 … 6 Nm).
3. Release terminal housing cover.
4. Connect electrical cables to the terminals. Note polarity (tightening torque
2 … 3 Nm).
5. Connect the solenoid coil to the equipotential bonding by the inner or outer
protective earth connection.
6. Close terminal housing cover (tightening torque 0.6 … 0.7 Nm).
7. With external pilot air supply, use connection 12.
8. Seal unused openings with blanking plugs or slot covers.
NOTICE
The surface coating of the solenoid valves is electrically non-conductive.
• Include the device in the system equipotential bonding.
6.2 Pneumatic
1. Mount connecting cables and fittings properly. Before commissioning, remove
residues, such as chips, rust and water.
2. Switch off pressure to the compressed air lines.
3. Use only fittings with cylindrical threaded lugs and sealing rings or cutting
rings.
4. Do not use PTFE or hemp fibres on the threads.
5. Insert all sealing rings supplied with the NAMUR mounting kit between sole-
noid valve and drive or mounting plate.
6. If port 1 with control signal 2 bar, then supply auxiliary energy 2 bar to< >
port 12.
7. Do not use anti-friction coating or lubricant.
8. The dew point of the compressed air must lie below the specified lowest
operating temperature of the system.
9. Use suitable filter adapter.
10. Use suitable exhaust protection.
6.3 Electrical
1. Use only an unsheathed cable with an outside diameter of 7 … 13 mm for the
installed cable fitting M20 x 1.5.
2. Note polarity.
3. To avoid ingress of water, tighten fitting and locking ring with an open-ended
spanner until the sealing force is sufficient.
4. Use strain relief.
Electrical connection diagram
Fig. 2: VACC-S13-18-K4-1UF-…ME
Fig. 3: VACC-S13-18-K4-…-…ME
7 Commissioning
WARNING
Risk of injury from touching hot surfaces.
Contact with housing of the solenoid coil can cause burn injuries.
• Do not touch the housing.
WARNING
Electrostatic discharge may generate combustible sparks.
The product may become electrostatically charged. The surface coating of the
solenoid valve is not electrically conductive.
• Prevent electrostatic charging of the product with appropriate installation and
cleaning measures.
• Include the solenoid valve and solenoid coil in the system equipotential
bonding.
• Prevent processes that could generate charges.
• Do not operate the device in areas subjected to accelerated particle flows.
NOTICE
Escaping exhaust air can swirl up dust and create an explosive dust atmosphere.
With VACC-S13-18-K4-…U-…ME:
Operate solenoid coils only with upstream fuses.
8 Maintenance and care
WARNING
Risk of injury due to defective solenoid coil.
Cracks in the housing and sealing compound impair the explosion prevention and
protection.
• Check solenoid coil regularly.
• Replace faulty solenoid coil.
WARNING
Electrostatic discharge may generate combustible sparks.
The product may become electrostatically charged.
If used in group IIC:
• Only clean the device with a damp cloth.
–Changes or repairs to the solenoid coil are not permitted.
–The device is maintenance-free.
9 Disassembly
When loosening the cap nut, prevent the cable connector from working loose.
WARNING
If the terminal housing cover is opened, explosive atmosphere may penetrate
the terminal housing and be ignited due to electrically generate sparks.
Before opening the terminal housing cover inside the potentially explosive area:
• Switch off the power supply.
1. Switch off the power supply.
2. Release terminal housing cover.
3. Disconnect electrical cables from terminals.
4. Close terminal housing cover.
5. Loosen the retaining nut. Remove solenoid coil.
10 Technical data
Operating conditions
VACC-1U VACC-27U VACC-2U VACC-3U
Electrical critical limits
Nominal voltage UN[V DC/AC] 24 60 110 230
Type of voltage [Hz] Alternating voltage (40 … 65 ± 2%)
DC or undulating voltage
Nominal power [W/VA] 1.8/1.8
Duty cycle 100% (continuous operation)
Degree of protection IP65
Overvoltage category III in accordance with IEC 60664-1
Limitation of switch-off overvoltage
(internal)
Bridge rectifier
Resistance R20 [ ] 263 2060 6600 30000W
Current consumption I20 [mA] 86 28 17 8
Fuse for variant 1UF installed (in
accordance
with
IEC 60127)
–
Fuse connected in series in
accordance with IEC 60127
[mA] 200 80 32
Temperature class at ambient temperature Ta
–30 °C T£a +50 °C T6, T85 °C£
–30 °C T£a
+60 °C T5, T95 °C£
–30 °C T£a
+60 °C T4, T130 °C£
Storage temperature –20 °C T£a +90 °C£
Relative humidity 95% (non-condensing)
Connecting cable
Conductor cross section [mm²] 0.75 … 1.5
Cable- [mm] 7 … 13Æ
Cable entry thread K4 M20x1.5
Assembly Individual mounting or block mounting
(grid 40 mm)
Materials
Housing Polyamide (glass-fibre reinforced)
Sealing compound Polyurethane
Mounting position with solenoid valve used
VOFC
3/2-way valve
Any
Sealing compound points to the valve body
VOFC
5/2-way valve
Longitudinal side of the valve body
Sealing compound points to the valve body
Tab. 3

Especificaciones del producto

Marca: Festo
Categoría: No categorizado
Modelo: VACC-S13-18-K4-2U-KS4ME

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