Használati útmutató Festo VACC-S13-11-K4-1-NM4A

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Letöltés PDF
Oldal 1/2
VACC-S13-11-K4-1-NM4A
Solenoid coil
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Germany
+49 711 347-0
www.festo.com
Operating instruction
8196123
2023-05b
[8196125]
8196123
Translation of the original instructions
© 2023 all rights reserved to Festo SE & Co. KG
1 Identification EX
Identification mark Certificate
Ex ia IIC T6, T5 Gb
Ex ia IIIC T80°C, T95°C IP65 Db
DNV 17.0043X
Tab. 1
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
Voltage Type
14…32VDC VACC-S13-11-K4-1-NM4A
Tab. 2: Certified Solenoid Coils
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 potentially explosive gas atmospheres and in zones
21 and 22 for potentially explosive dust atmospheres.
–Operate the solenoid valve with compressed air only.
–The device is not intended for use with other fluids.
–Observe the specifications on the product labelling.
–Do not commission the solenoid coil until after assembly.
–Observe the operating conditions.
–Extraction of the operating medium outside the potentially explosive area.
–Installation and commissioning should only be carried out by qualified elec-
trical specialists.
4.2 Intended use
The solenoid coil is intended to be used to actuate valves from Festo.
4.3 Identification X: special conditions
–Only use specified solenoid valves.
–The range of application is dependent on the ambient temperature.
–The device must be connected to a certified Ex ia IIC or Ex ib IIC intrinsically
safe circuit.
–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 current pulse generator permits operation on low-power electric
networks.
6 Assembly
1
2
3
4
5
6
7
8
Fig. 1: Product design
1
Port 12 (only with external pilot
air supply)
2
Spring washer
3
Vent screw/retaining nut
4
Cable fitting with cap nut and
reducer
5
Cover, terminal housing
6
Solenoid coil
7
Armature guide tube
8
Solenoid valve
6.1 Mechanical system
Prevent the cable fitting from unscrewing when loosening the cap nut. Note the
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. Open the cover of the clamping housing.
4. Connect electrical cables to the terminals. Note polarity (tightening torque
2…3Nm).
5. Close the cover of the clamping housing (tightening torque 0.6…0.7Nm).
6. With external pilot air supply use port12.
7. 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 Electrical
1. Use only a cable with outside diameter 7…13mm for the installed M20 x 1.5
cable fitting.
2. Note polarity.
3. To avoid ingress of water, tighten fitting and lock ring with an open-ended
spanner until the sealing force is sufficient.
4. Use strain relief.
Electrical connection diagram
Fig.2
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
The discharge of electrostatically charged parts can lead to ignitable sparks.
• Prevent electrostatic charging by taking appropriate installation and cleaning
measures.
• Include the device in the system’s potential equalisation. The surface coating of
the solenoid valves is electrically non-conductive.
• Prevent processes that are charge-generating.
NOTICE
Escaping exhaust air can swirl up dust and create an explosive dust atmosphere.
NOTICE
Dimension the intrinsically safe circuit, taking account of the permissible electrical
limit values Technical data.è
NOTICE
For sheathed cables, observe the following:
• Cut off the outer jacket of the cable and the sheathing at the same level.
• Connect the sheathing at the other end to the potential equalisation.
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
Power supply only from certified intrinsically safe circuits Ex ia IIC or ib IIC.
Electrical critical limits
Max. input voltage Ui[V] 32£
Max. input current Ii[mA] 200£
Max. power Pi[W] 1.2£
Effective inner inductance Li[ H] 0mL
Effective inner capacitance Ci[nF] 0L
Resistance R20 [ ] 911W
Nominal voltage UN[V DC] 14…32
Nominal current IN[mA] 16…35
Nominal power PN[mW] 220…1100
Protective circuit integrated
Connecting cables
Conductor cross section [mm²] 0.75…1.5
Cable diameter without reducer [mm] 7…13
Cable diameter with reducer [mm] 4…8
Cable entry thread M20 x 1.5
Temperature class at ambient temperature Ta
–30 Ta +50°C T6, T80°C£ £
–30 Ta +65°C T5, T95°C£ £
Storage temperature [°C] –30…+80
Duty cycle 100%(continuous operation)
Degree of protection IP65 in accordance with IEC 60529
Overvoltage category III in accordance with EN 60664-1
Relative humidity 95%(non-condensing)
Assembly Individual mounting
Mounting position Any
Sealing compound points to the valve body
Materials
Housing Polyamide 6 (glass-fibre reinforced)
Sealing compound Polyurethane
Tab. 3

Termékspecifikációk

Márka: Festo
Kategória: nincs kategorizálva
Modell: VACC-S13-11-K4-1-NM4A

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