Aventics AS3-SV Instrucciones De Servicio página 13

AVENTICS | AS3-SV | R412026750–BAL–001–AD | English
Safety valve damage due to falling!
If the safety valve falls, the product may be damaged even if no damage is visible.
O
Always transport the safety valve carefully.
O
If the safety valve has fallen, it must not be installed.
O
Check the packaging when you receive the product. If the packaging is damaged, the
safety valve must not be installed.
Storage
Damage to the safety valve due to incorrect storage!
Unfavorable storage conditions can result in corrosion and material deterioration. The
maximum storage period is two years.
O
Only store the safety valve in dry, cool, and corrosion-proof environments. Avoid direct
sunlight.
O
Keep the safety valve in the original or delivery packaging if you do not install it
immediately.
O
Never use a safety valve that has been stored for longer than two years.
6 Assembly
Danger of injury due to assembly of the product while the system is running!
Assembly of the product while the system is running can cause major injuries from moving
machinery.
O
Bring the system mode into a state in which working movements are no longer possible.
Wait until all moving machine parts come to a standstill, and protect the system against
being switched on.
Danger of injury due to suspended useful loads!
Useful loads that are kept suspended by compressed air pose a danger if they are not secured
before the pressure is switched off in the system.
O
Guide the useful loads into a safe position or remove them from the system.
O
You may only then switch off the pressure in the relevant section of the system.
The following must be observed during assembly:
W
The safety valve is packaged to protect it from contamination. Do not remove the packaging
until just before assembling the safety valve.
W
All compressed air connections and control elements must remain freely accessible after
installation.
W
The safety valve must be attached in such a way that it cannot be loosened by jolts,
vibrations, or the like.
O
Make sure that the safety valve is only used as described in chapter "Intended use".
Preparing for installation
Prepare for assembly as follows:
1. Stop system operation and protect it against being switched on.
2. Return all suspended loads to a statically secure position or remove them from the system.
3. If required, exhaust stored compressed air from system parts in the immediate work area.
4. Make sure the relevant section of the system is not under pressure or voltage and protect it
from being switched on.
5. Secure self-turning or other movable system parts before starting assembly.
6. Let the AS3-SV safety valve acclimatize itself for several hours before installation, otherwise
water may condense in the housing.
Mount the valve
To mount a single valve:
O
See Figure .
4
To mount the valve as part of a maintenance unit:
O
See Figure 5 .
The valve must be mounted on both sides with one mounting element each on the mounting
surface.
Mount the pressure sensor or pressure gauge (optional)
A pressure gauge or electronic pressure sensor can be connected to the thread connection
–
( 2 8) once the blanking plug has been removed.
O
Observe the mounting instructions enclosed with the components.
Connect pneumatic connections
Requirement:
The supply pressure must always be between 2 bar and 10 bar.
The correct function of the AS3-SV safety valve is not guaranteed if the supply pressure
is lower than 2 bar.
1. Connect the pressure line for the supply pressure to connection 1 (1, IN).
2. Connect the operating line to connection 2 (2, OUT).
NOTICE
NOTICE
WARNING
Connect electrical connections
1. Connect the supply voltage to plug XPS, the signal output, and, if applicable, start signal X2.
The assignment of the XPS plug is the same for all versions.
The contacts on the XPS plug, M12 male have the following pin assignment:
XPS Pin Function
1 24 V DC supply voltage for the device
24 V DC
1
42 2 Signal contact 42, potential-free
2
0V GND
3 0 V
3
X2
4 Input for start X2
4
41
5
5 Signal contact 41, potential-free
2. Connect the safety signals to control the device to plug X2D. Observe the different
assignment of plugs for different devices. The type of device can be taken from the name
plate.
Connecting the supply voltage
Danger of injury!
Electric shock due to incorrect power pack!
O
Use a 24 V DC SELV or PELV circuit in accordance with DIN EN 60204-1 to connect the
power supply for the valve.
O
The PELV power source must be a safety isolation transformer in accordance with
IEC 61558-1 or IEC 61558-2-6, or a power source offering the same degree of safety
as a safety isolation transformer.
O
Make sure that the power source for the SELV power pack adheres to DIN EN 60950.
We recommend using a type Z (max. 2 A) circuit breaker or a micro-fuse
(max. 1 A, inactive) to protect the operating voltage.
Connect the signal contact
The device has a potential-free signal contact (41, 42). A loop covering all safety modules can be
achieved with this signal contact, for example. The maximum voltage for the signal output is
24 V DC, and the maximum current is 0.2 A.
O
Danger of injury due to valve malfunction!
A valve malfunction (e.g. failure to open the contact) may occur if you use signal outputs in
safety circuits.
O
Never use signal outputs in safety circuits.
Figure 6 shows the principle use of the signal output.
Connect start input X2
Danger of injury!
The use of the "automatic start" function is only permissible in terms of IEC/EN 60204-1 in
conjunction with other appropriate measures for machine start-up!
O
Make sure that the AS3-SV safety valve cannot be activated when using the "automatic
start" function. For example, use an additional safety module with start button, which
prevents immediate switch on after release of an emergency OFF button or after applying
the operating voltage.
Start input X2 is not active during control with PP or PM. The AS3-SV safety valve performs an
automatic start. Start input X2 must be connected with 24 V DC.
Start input X2 is active during control with NCNC or NCNO. Start input X2 can be connected with
a button, for example. Activation of the AS3-SV safety valve starts when the button is released.
Actuation of the button is monitored. The button may have a maximum actuation time between
0.03 s and 3 s. Activation does not take place if the time is exceeded.
The contacts on the X2D plug, M12 female safety inputs have the following assignment:
X2D Pin Function
1 S21 clock signal for S22
S21
1
S22
2 S22 safety input 2
2
S11
3 S11 clock signal for S12
3
S12
4
4 S12 safety input 1
nc
5
5 nc, not connected (not connect)
Principle wiring for PP control
When using the PP control, safety inputs 1 and 2 must each be connected with a safe output
signal. The "automatic start" function is used in this operating mode. X2 is therefore connected
with 24 V DC.
For principle wiring for PP control, see
WARNING
WARNING
WARNING
7 .
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