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ASCO Numatics 651 Mode D'emploi page 5

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3/2 SLOW-START
QUICK EXHAUST VALVES
651 - 652 - 653
ISO 15218 (CNOMO, size 30) interface
189 Series
24 V AC 50/60 Hz
115 V AC 50/60 Hz 43004419
230 V AC 50/60 Hz 43004422
24 V DC
24 V DC (M12)
18990007
Without
manual operator
190 Series
24 V AC 50Hz
115 V AC 50/60 Hz 43004471
230 V AC 50/60 Hz 43004472
24 V DC
24 V DC (M12)
19090005
19090017
3/2 SLOW-START
QUICK EXHAUST VALVES
651 - 652
DESCRIPTION
PRESSURE BUILD-UP TIME (See page 15)
ADJUSTMENT OF DOWNSTREAM
This assembly provides the two following main functions:
- Pneumatic system venting.
In both soft-start device versions, the filling rate, i.e. the
manual operator:
- Gradual pressurization after an outage leading to
pressure build-up in the downstream circuit, is adjusted by
means of a fine-thread screw. Components are supplied
SHUT-OFF VALVE
venting of the system.
with 7 l/min screw adjustment.
The 3/2 NC shut-off valve, controlled by a solenoid valve
Adjustment is as follows:
- Unscrew the screw by 0.5 to 7 turns to obtain the desired
by de-energising the solenoid valve.
of the CNOMO pad-mounting type, vents the system
filling speed (Rep. 1).
SOFT-START DEVICE
- Regulate the setting by adjusting the screw. Before
- Perform a test.
Upon pressurization, when the soft-start device is
in its initial position, an adjustable air flow ensures
retesting, vent the installation with the shut-off valve.
19..35
gradual filling of the downstream circuit, so that the
pin to lock the screw and prevent unauthorised adjust-
- When the correct setting is obtained, you can insert the
position depends on which of the following soft-start
actuators move slowly. The transition to the full flow
ment of regulated pressure (Rep. 2). It is possible to
devices is chosen:
remove pin flat screw driver or needle-nose pliers.
Automatic switch-over to the full flow position as soon
- AUTOMATIC SOFT-START DEVICE
Note: A solenoid pilot controlled soft-start device, the adjust-
ment must be made with solenoid pilot installed. It
19090005 = without
as the downstream pressure reaches 60 to 70% of the
is not necessary vent or remove the solenoid pilot
take place at normal speed thereafter.
supplied pressure (upstream pressure). Operating cycles
to secure the locking pin.
The soft-start device remains in the full flow position as
DEPRESSURISATION CURVES (See page 16)
SYSTEM PRESSURISATION AND
long as the upstream pressure is maintained.
The device returns into its initial position when the air
• WITH AUTOMATIC SOFT-START DEVICE
supply is cut off.
- SOLENOID/AIR CONTROLLED SOFT-START DEVICE
The adjustment range for pressurization lies between
This device, which complies with technical CNOMO
The transition to full flow takes place automatically as
curves (1) and (2).
specifications (E05.03.135.N), can be used to gradually
feed air into the system whenever restarting after a
soon as the downstream pressure reaches 80% (651)/60%
shutdown or a pressure cut-off. The system is slowly
Filling and venting times (in seconds):
to 70% (652) of the upstream pressure.
returned into the end-of-cycle position. As soon as this
condition is reached, the solenoid pilot valve is energised
651 652
in accordance with the automatic control specified by
T1 (
with screw loosened by 6 (651)/7 (652) turns
8
3.2
19090017 = impulse
the user. The soft-start device then switches to the full
flow position allowing the subsequent operating cycles to
T2 (
with screw loosened by 1 turn )
112 23
take place at normal speed. The solenoid pilot valve must
T3 (
venting time )
5
1
Any de-energization of the solenoid pilot valve sets
be kept energised under normal operating conditions.
These times correspond to a supply pressure (Pa) of
the soft-start device into the metered flow position.Any
EN
6.3 bar, a transition pressure (Pb) of 80% (651)/60%
to 70% (652) Pa (not adjustable) and a downstream
de-energization of the solenoid valve sets the soft-start
device to the low flow position.
capacity of 10 liters.
Note: In both soft-start device versions, the filling rate,
• WITH A SOLENOID/AIR CONTROLLED SOFT-START
adjusted by means of a fine-thread screw which can be
i.e. the pressure build-up in the downstream circuit, is
DEVICE
Unlike the automatic soft-start version, this version
locked to prevent un-authorised adjustment of regulated
only authorises full flow on receiving a permanent
pressure.
Manual override on solenoid valves: The assem-
(see note below).
electrical signal
bly can only be piloted with solenoid valves without
The adjustment range for pressurization lies between
(impulse-type).
manual override or with a non-locking manual override
Filling and venting times (in seconds):
curves (1) and (2).
MOUNTING AND OPERATING INSTRUCTIONS
651 652
mounted as described above before the lubricator.
- The shut-off and soft-start valve assembly must be
T1 (
with screw loosened by 6 (651)/7 (652) turns
8
3.2
Make sure there is no oil.
T2 (
with screw loosened by 1 turn )
112 23
- Do not obstruct exhaust port 3 on the shut-off valve.
- Make sure that port 3 cannot be obstructed inadvert-
T3 (
venting time )
5
1
ently.
The full flow position is determined by the pilot valve
which must be energized after checking that all the
- In case of operation in dusty environments, mount an
exhaust silencer on port 3 (available as accessory).
end-of-cycle sensors are activated. It also enables fast
- Make sure to meet the operating specifications (pres-
the end of the cycle (see curve A) or close to the end
triggering of pressurization if the shutdown occurs at
described.
sure, temperature, voltage, current) of the assembly as
of the cycle (see curves B
1
, B
, B
2
, etc.)
3
- The solenoid valves must not be equipped with locking
Minimum pressurization time (curve A): 1s with an up-
stream pressure of 6.3 bar and a capacity of 10 liters.
- The shut-off valve must only be de-energised in
manual override.
case of need when the system is generally shut down
or in case of power supply failure. This product is
not a limit stop switch.
- For systems which are operated only infrequently (e.g.
in case of continuously operated machines), the cor-
rect functioning of the shut-off and soft start valve
assembly must be regularly checked - at least once
per month – by turning the power on and off several
times (full exhaust and gradual pressurization of the
- Should a failure occur, please return the product to your
system).
distributor with a description of the operating conditions
and the problem.
17
508608-001
651
651
1/4 NPTF
PTF
1/2 NPTF
652
Metal
651
1/4 G
652
1/2 G
651
1/4 NPTF
1/2 NPTF
652
Polyethylene
651
1/4 G
652
1/2 G
651 - 652
6-8 mm
43004416
88122404
6-8 mm
43004166
+ LED
24 V 50/60 Hz
88122405
24 V DC
43005523
115 50 Hz
88122407
230 50/60 Hz 88122410
6-10 mm
43004469
88122602
items
8-10 mm
43004473
H
24 V 50/60 Hz
43005525
88122603
24 V DC
115 50 Hz
88122605
230 50/60 Hz
88122608
EN
M2MN
M4MN
M2MB
M4MB
E2MN
E4MN
► 34600407
► 34600409
10
651 - 652 - 653
192 Series
F
N.m Inch.pounds
1,9±0,2
17±2
manual operator:
19291010 = without
H
19291012 = impulse
508608-001
3/2 SLOW-START
QUICK EXHAUST VALVES
653
ISO 15218 (CNOMO, size 30) interface
24 V AC 50Hz
43005604
115 V AC 50/60 Hz 43005617
230 V AC 50/60 Hz 43005627
24 V DC
43005642
24 V DC (M12)
43005664
19291010
19291012
3/2 SLOW-START
QUICK EXHAUST VALVES
651 - 652
ADJUSTMENT OF DOWNSTREAM
This assembly provides the two following main functions:
DESCRIPTION
In both soft-start device versions, the filling rate, i.e. the
PRESSURE BUILD-UP TIME (See page 15)
- Pneumatic system venting.
- Gradual pressurization after an outage leading to
pressure build-up in the downstream circuit, is adjusted by
venting of the system.
with 7 l/min screw adjustment.
means of a fine-thread screw. Components are supplied
The 3/2 NC shut-off valve, controlled by a solenoid valve
SHUT-OFF VALVE
Adjustment is as follows:
of the CNOMO pad-mounting type, vents the system
filling speed (Rep. 1).
- Unscrew the screw by 0.5 to 7 turns to obtain the desired
by de-energising the solenoid valve.
SOFT-START DEVICE
- Perform a test.
Upon pressurization, when the soft-start device is
retesting, vent the installation with the shut-off valve.
- Regulate the setting by adjusting the screw. Before
gradual filling of the downstream circuit, so that the
in its initial position, an adjustable air flow ensures
- When the correct setting is obtained, you can insert the
19..35
actuators move slowly. The transition to the full flow
ment of regulated pressure (Rep. 2). It is possible to
pin to lock the screw and prevent unauthorised adjust-
position depends on which of the following soft-start
devices is chosen:
remove pin flat screw driver or needle-nose pliers.
- AUTOMATIC SOFT-START DEVICE
Note: A solenoid pilot controlled soft-start device, the adjust-
Automatic switch-over to the full flow position as soon
as the downstream pressure reaches 60 to 70% of the
ment must be made with solenoid pilot installed. It
is not necessary vent or remove the solenoid pilot
supplied pressure (upstream pressure). Operating cycles
to secure the locking pin.
The soft-start device remains in the full flow position as
take place at normal speed thereafter.
SYSTEM PRESSURISATION AND
long as the upstream pressure is maintained.
DEPRESSURISATION CURVES (See page 16)
The device returns into its initial position when the air
supply is cut off.
The adjustment range for pressurization lies between
• WITH AUTOMATIC SOFT-START DEVICE
- SOLENOID/AIR CONTROLLED SOFT-START DEVICE
curves (1) and (2).
This device, which complies with technical CNOMO
specifications (E05.03.135.N), can be used to gradually
The transition to full flow takes place automatically as
soon as the downstream pressure reaches 80% (651)/60%
feed air into the system whenever restarting after a
shutdown or a pressure cut-off. The system is slowly
to 70% (652) of the upstream pressure.
returned into the end-of-cycle position. As soon as this
Filling and venting times (in seconds):
in accordance with the automatic control specified by
condition is reached, the solenoid pilot valve is energised
T1 (
651 652
the user. The soft-start device then switches to the full
T2 (
with screw loosened by 6 (651)/7 (652) turns
with screw loosened by 1 turn )
112 23
8
3.2
take place at normal speed. The solenoid pilot valve must
flow position allowing the subsequent operating cycles to
T3 (
venting time )
5
1
be kept energised under normal operating conditions.
These times correspond to a supply pressure (Pa) of
Any de-energization of the solenoid pilot valve sets
the soft-start device into the metered flow position.Any
6.3 bar, a transition pressure (Pb) of 80% (651)/60%
de-energization of the solenoid valve sets the soft-start
EN
to 70% (652) Pa (not adjustable) and a downstream
capacity of 10 liters.
EN
device to the low flow position.
Note: In both soft-start device versions, the filling rate,
• WITH A SOLENOID/AIR CONTROLLED SOFT-START
i.e. the pressure build-up in the downstream circuit, is
DEVICE
adjusted by means of a fine-thread screw which can be
locked to prevent un-authorised adjustment of regulated
only authorises full flow on receiving a permanent
Unlike the automatic soft-start version, this version
pressure.
electrical signal
Manual override on solenoid valves: The assem-
bly can only be piloted with solenoid valves without
(see note below).
The adjustment range for pressurization lies between
manual override or with a non-locking manual override
curves (1) and (2).
(impulse-type).
MOUNTING AND OPERATING INSTRUCTIONS
Filling and venting times (in seconds):
651 652
- The shut-off and soft-start valve assembly must be
T1 (
with screw loosened by 6 (651)/7 (652) turns
8
3.2
mounted as described above before the lubricator.
Make sure there is no oil.
T2 (
with screw loosened by 1 turn )
112 23
- Do not obstruct exhaust port 3 on the shut-off valve.
T3 (
venting time )
5
1
- Make sure that port 3 cannot be obstructed inadvert-
ently.
The full flow position is determined by the pilot valve
- In case of operation in dusty environments, mount an
end-of-cycle sensors are activated. It also enables fast
which must be energized after checking that all the
exhaust silencer on port 3 (available as accessory).
- Make sure to meet the operating specifications (pres-
triggering of pressurization if the shutdown occurs at
sure, temperature, voltage, current) of the assembly as
the end of the cycle (see curve A) or close to the end
of the cycle (see curves B
, B
, B
, etc.)
described.
- The solenoid valves must not be equipped with locking
Minimum pressurization time (curve A): 1s with an up-
1
2
3
manual override.
stream pressure of 6.3 bar and a capacity of 10 liters.
case of need when the system is generally shut down
- The shut-off valve must only be de-energised in
or in case of power supply failure. This product is
not a limit stop switch.
- For systems which are operated only infrequently (e.g.
in case of continuously operated machines), the cor-
rect functioning of the shut-off and soft start valve
assembly must be regularly checked - at least once
per month – by turning the power on and off several
times (full exhaust and gradual pressurization of the
system).
distributor with a description of the operating conditions
- Should a failure occur, please return the product to your
and the problem.
17
508608-001
F
items
N.m Inch.pounds
H
1,9±0,2
17±2
653
1 NPTF
M6MN
Metal
1 G
653
M6MB
11
6-10 mm
88122602
8-10 mm
24 V 50/60 Hz
88122603
24 V DC
115 50 Hz
88122605
230 50/60 Hz
88122608
H
508608-001

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652653