019A/ENG
Installation and Maintenance Manual
VQ100 Series Solenoid Valve
For future reference, please keep this manual in a safe place
This manual should be read in conjunction with the current valve catalogue.
Safety Instructions
2. Only trained personnel should operate pneumatically
operated machinery and equipment.
These safety instructions are intended to prevent a hazardous situa-
Compressed air can be dangerous if an operator is unfamiliar
tion and/or equipment damage. These instructions indicate the level
with it. Assembly, handling or repair of pneumatic systems should
of potential hazard by label of "Caution", "Warning" or "Danger".
be performed by trained and experienced operators.
To ensure safety, be sure to observe ISO4414
(Note1)
, JIS B 8370
(Note2)
and other safety practices.
3. Do not service machinery/equipment or attempt to
Note 1: ISO 4414: Pneumatic fluid power – Recommendations for the
remove component until safety is confirmed.
application of equipment to transmission and control systems.
1) Inspection and maintenance of machinery/equipment should
Note 2: JIS B 8370: Pneumatic system axiom.
only be performed after confirmation of safe locked-out
control positions.
CAUTION :
2) When equipment is to be removed, confirm the safety process
Operator error could result in injury or
as mentioned above. Switch off air and electrical supplies and
equipment damage.
exhaust all residual compressed air in the system.
3) Before machinery/equipment is re-started, ensure all safety
WARNING:
Operator error could result in serious
measures to prevent sudden movement of cylinders etc.
injury or loss of life.
(Bleed air into the system gradually to create back-pressure,
i.e. incorporate a soft-start valve).
DANGER :
In extreme conditions, there is a
possible result of serious injury or loss of life.
4. Contact SMC if the product is to be used in any of the
following conditions:
1) Conditions and environments beyond the given specifica-
WARNING
tions, or if product is used outdoors.
2) Installations in conjunction with atomic energy, railway, air
1. The compatibility of pneumatic equipment is the respon-
navigation, vehicles, medical equipment, food and beverage,
sibility of the person who designs the pneumatic system
recreation equipment, emergency stop circuits, press
or decides its specifications.
applications, or safety equipment.
Since the products specified here are used in various operating
3) An application which has the possibility of having negative
conditions, their compatibility for the specific pneumatic system
effects on people, property, or animals, requiring special
must be based on specifications or after analysis and/or tests to
safety analysis.
meet your specific requirements.
CAUTION
Ensure that the air supply system is filtered to 5 micron.
Main parts (Fig 1)
No.
Description
Material
Solenoid coil
––
Body
Resin
Fixed iron core
SUS
Movable iron core assembly
SUS · Resin
Return spring
SUS
Poppet
NBR
Philips/ordinary round head screw
Carbon steel
Interface gasket
NBR
Subplate
ZDC
Valve specifications
Valve specifications
Specifications
1 wattage
specifications
Item
0.7 MPa
Type
3 port direct operated poppet type (NC)
Fluid
Max. operating pressure
0.7MPa (8.2 kgf/cm
2
)
Min. operating pressure
Effective orifice
P A
0.28mm
2
(Cv 0.016)
A R
0.36mm
2
(Cv 0.02)
Response time Note 1
ON: 3.5ms, OFF: 2ms
Ambient and fluid temperature
Lubrication
Manual override
Non-locking recessed type/Locking tool type Note 3
Mounting orientation
Protection structure
Weight
12.6g (L/M type connector, without subplate)
Note 1: As per JISB8375-1981 (with indicator light and surge voltage suppressor; clean air), dispersion accuracy ±1ms.
Note 2: Use dry air to prevent dew condensation when operating at low temperature.
Note 3: Locking type is optional specification.
Solenoid specifications
Specifications
1 wattage
specifications
Item
0.7 MPa
Coil rated voltage
Allowable voltage
Type of coil insulation
Power consumption
1WDC
Plug-in, L/M type connector
Electrical entry
(with indicator light and surge voltage suppressor)
Fig 1
Installation
CAUTION
Ensure all air and power supplies are isolated before commencing
installation.
WARNING
DO NOT INSTALL THESE VALVES IN EXPLOSIVE ATMOSPHERES.
If these valves are exposed to water or oil droplets, ensure that the
valves are protected.
If it is intended to energise a valve for an extended period please
consult SMC.
Symbol
Note
Latching type specification
AXT632-7-3 (M1.7x14)
AXT782-11
AXT662-1-1/2 (1: M5,2: M3)
0.5 wattage
Tube connections-push-in fittings (Fig 2)
specifications
0.7 MPa
Ensure that the end of the tube
Air · inert gas
Push the tube
firmly into the fitting
0.7MPa (7.1 kgf/cm
2
)
Pull back on the tube
0MPa (0 kgf/cm
2
)
0.14mm
2
(Cv 0.008)
Tube disconnection (Fig 2)
0.20mm
2
(Cv 0.011)
ON: 3.5ms, OFF: 2.5ms
Push down on the collet flange 2, via the release button
-10~+50°C Note 2
down, and withdraw the tube
Not required
Guide
Free
Collet
IP40
Chuck
Release button
Packing
0.5 wattage
specifications
0.7 MPa
24VDC, 12VDC
±10% of rated voltage
Class B
0.5WDC
Fig 2
Connection of plug connector (Fig 3)
Push the connector, in a straight line, onto the pins of the solenoid,
ensuring that the lip of the lever is securely positioned in the groove
of the solenoid cover.
Cover
Connector
Connector
Fig 3
Disconnection of plug connector (Fig 3)
Press the lever against the connector and pull the connector away
from the solenoid.
(A)
2
CAUTION
Do not exert excessive force on the wires, as this may cause contact
failure.
1
3
(P)
(R)
Wiring specifications (Fig 4)
(A)
2
The lead wires are connected to the valve as shown below. Connect
each to the power supply side.
1
3
(P)
(R)
is cut square.
until it stops.
to ensure it is correctly gripped.
DC positive COM
, hold
.
Tube
SOL.
Body
O-ring
Single solenoid type
Stud
DC negative COM
SOL.
Single solenoid type
Fig 4
Non-locking recessed type
Groove
Pin
Lever
Locking tool type (option)
Cover
Pin
Groove
Latching type
Locking recessed type
Fig 5
Lead wire colour
Lead wire colour
set
(-) Black
(-) Black
Simultaneously
energised
COM.
(+)Red
SOL.
protection
circuit
reset
(-) White
(+)Red
Latching solenoid type
Lead wire colour
Lead wire colour
set
(+)Red
(+)Red
Simultaneously
COM.
energised
(-) Black
protection
circuit
reset
(+)White
(-) Black
Latching solenoid type
Solenoid manual override (Fig 5)
WARNING
Exercise extreme CAUTION when operating solenoid manual
overrides, as connected equipment will commence operation.
Push non-locking type
Push down on the manual button
(Fig 5) until it stops (ON).
Hold this position whilst carrying out function checks.
Release the manual override button and the override will re-set to the
OFF position.
Locking type manual override (Fig 5)
Turn the manual override clockwise through 180°, using a small slot-
ted screwdriver, until the mark
lines up with the No. 1.
Push down on the button until the override locks (ON) position.
WARNING
In this position the manual override is mechanically locked ON.
Un-locking (Fig 5)
Turn the manual override anti-clockwise through 180°, using a small
slotted screwdriver until the mark
lines up with the No. 0.
Remove the screwdriver and the manual override will re-set to the
(OFF) position.
Latching Type (Fig 5)
Locking (Fig 5)
Turn the manual override clockwise 180° using a small slotted screw-
driver until the mark
lines up with the letter A.
Push the override button down until it locks in position (ON).
WARNING
In this position the manual override is mechanically locked in the ON
position.
Un-locking
Turn the manual override anti-clockwise through 180° until the mark
lines up with the letter B.
Remove the screwdriver, and the Manual override will re-set to the
OFF position.
Indicator light and surge suppressor (Fig 6a)
In the latching type, A (set) side and B (re-set) side energisation are
indicated by two colours, which match the colours of the manual over-
ride buttons. See below (Fig 6a)
Note: Dotted line shows latching type
Indicator light
• ON
: Orange
(Set)
• (Reset) : Green
M type plug connector
Indicator light
• ON
: Orange
(Set)
• (Reset) : Green
L type plug connector
Fig 6a
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