SMC Networks ITV2000-Q Series Installation And Maintenance Manual

ITV2-TFI12-A
Installation and Maintenance Manual
Electro-Pneumatic Regulator
Series ITV2000-Q, ITV2090-Q, ITV3000-Q
1 Safety Instructions
This manual contains essential information for the protection of users and
others from possible injury and/or equipment damage.
• Read this manual before using the product, to ensure correct handling,
and read the manuals of related apparatus before use.
• Keep this manual in a safe place for future reference.
• These instructions indicate the level of potential hazard by label of
"Caution", "Warning" or "Danger", followed by important safety
information which must be carefully followed.
• To ensure safety of personnel and equipment the safety instructions in
this manual and the product catalogue must be observed, along with
other relevant safety practices.
Indicates a hazard with a low level of risk, which if
Caution not avoided, could result in minor or moderate
injury.
Indicates a hazard with a medium level of risk,
Warning
which if not avoided, could result in death or
serious injury.
Indicates a hazard with a high level of risk, which
Danger if not avoided, will result in death or serious
injury.
• Electromagnetic compatibility:
This product is class A equipment intended for use in an industrial
environment. There may be potential difficulties in
electromagnetic compatibility in other environments due to conducted as
well as radiated disturbances.
• The compatibility of pneumatic equipment is the responsibility of
the person who designs the pneumatic system or decides its
specifications.
Since the products specified here can be used in various operating
conditions, their compatibility with the specific pneumatic system must
be based on specifications or after analysis and/or tests to meet specific
requirements.
• Only trained personnel should operate pneumatically operated
machinery and equipment.
Compressed air can be dangerous if an operator is unfamiliar with it.
Assembly, handling or repair of pneumatic systems should be performed
by trained and experienced personnel.
• Do not service machinery/equipment or attempt to remove
components until safety is confirmed.
• Inspection and maintenance of machinery/equipment should only be
performed after confirmation of safe locked-out control positions.
• When equipment is to be removed, confirm the safety process as
mentioned above. Switch off air and electrical supplies and exhaust all
residual compressed air in the system.
• Before machinery/equipment is re-started, ensure all safety measures
to prevent sudden movement of cylinders etc. (Supply air into the
system gradually to create back pressure, i.e. incorporate a soft-start
valve).
• Do not use this product outside of the specifications. Contact SMC
if it is to be used in any of the following conditions:
• Conditions and environments beyond the given specifications, or if the
product is to be used outdoors.
• Installations in conjunction with atomic energy, railway, air navigation,
vehicles, medical equipment, food and beverage, recreation equipment,
emergency stop circuits, press applications, or safety equipment.
• An application, which has the possibility of having negative effects on
people, property, or animals, requiring special safety analysis.
• Ensure that the air supply system is filtered to 5 microns.
2 Specification
Model ITV2(3)01* ITV2(3)03*
Min. supply pressure (Set pressure) + 0.1 MPa
Max. supply pressure 0.2 MPa 1.0
0.005 ~ 0.005 ~
Set pressure range
0.1 MPa 0.5 MPa
Max. flow rate 1500 l/min (ITV20*0), 4000 l/min (ITV30*0)
Supply voltage 24 VDC±10%, 12 to 15 VDC
24 VDC Max. 120 mA
Current
consumption 12 VDC
Max. 180 mA
Current
4-20 mADC, 0-20 mADC
Note1
type
Input signal
Voltage type 0-5 VDC, 0-10 VDC
Max. 250 Ω
Current type
Input
impedance Voltage type
Approx. 6.5 kΩ
Analogue 1-5 VDC (Load Impedance:1kΩ or more)
Output
Note2 NPN - Open collector type: 30 V 30 mA
signal
Switch
PNP - Open collector type: 30 mA
Linearity Max. ±1%F.S.
Hysteresis Max. 0.5%F.S.
Repeatability Max. ±0.5%F.S.
Sensitivity Max. 0.2%F.S.
Temperature
Max. ±0.12%F.S./°C
characteristics
Operating temperature 0~50°C (without condensation)
Accuracy ±3%F.S
Pressure
2
MPa: 0.01, kgf/cm : 0.01, bar: 0.01,
display
Min. Unit
Note 3
PSI: 0.1 , kPa: 1
Protection structure Main unit: IP65, Cable connector: IP67
Table 1.
Note 1: Two wire control, 4 to 20 mADC and 0 to 20 mADC are not available. Supply
voltage of 12-15VDC or 24 VDC is required.
Note 2: Make selection of analogue or switch output; also select NPN or PNP output
when switch output is selected.
Note 3: 1 PSI is the minimum unit on ITV*05*.
Note 4: Value for the state with no over current included. If an allowance is provided
ensuring
for an over current circuit, the input impedance varies depending on the input
current. This is 350 Ω or less for an input current of 20 mA DC.
3 Operation Principle
ITV2000, ITV3000: When the input signal increases the supply solenoid
valve turns on and the exhaust solenoid valve
pressure is passed to the pilot valve through the supply solenoid valve.
The pilot valve will open the main valve allowing partial supply pressure to
pass to the out port. The pressure sensor will provide output pressure
feedback to the control circuit . The control circuit will balance the input
signal and output pressure to ensure that the output pressure remains
proportional to the input signal.
Supply pressure(VAC)
Supply solenoid valve
+
(Vacuum sol.)
Input
Control circuit
signal
Exhaust solenoid valve
–
(Atmospheric sol.)
Pressure sensor
Fig. 1 - Control diagram
Pressure
display
Power s upply
Control
circuit
Input signal
Supply solenoid
valve
EXH
SUP
Pilot valve
Fig. 2 - Schematic diagram for ITV2000 & ITV3000 series
3 Operation Principle (continued)
ITV2(3)05* ITV209*
ITV2090: When the input signal increases, the vacuum solenoid valve
(Set pressure)
turns on and the atmospheric pressure solenoid valve
–13.3 kPa
of this, the VAC and pilot chamber
MPa -101 kPa
pilot chamber becomes negative and acts on the top of the diaphragm.
0.005 ~ -1.3 ~
As a result, the vacuum pressure valve
0.9 MPa -80 kPa
, opens, VAC and OUT are connected, and the set pressure becomes
negative. This negative pressure feeds back to the control circuit
pressure sensor . Then, a correct operation works until a vacuum
pressure proportional to the input signal is reached, and a vacuum
pressure is obtained which is always proportional to the input signal.
Note 4
kPa: 1
Fig. 3 - Schematic diagram for ITV2090
4 Wiring
turns off. Supply
Connect the cable to the connector on the main unit as shown in the
following diagram. Take precautions, as incorrect wiring will damage the
unit. Use a DC power supply capable of supplying the necessary power
requirements with minimal ripple.
Brown
Brown
White
Blue
Blue
White
Black
Black
Note
Blue
Main unit
Black
OUT
Pilot valve
():ITV2090type
Current signal type
Vs: Power supply 24 VDC
12-15 VDC
Exhaust solenoid A: Input signal 4 to 20 mADC
valve
0 to 20 mADC
Pilot EXH
Fig. 5 - Wiring diagrams
Pressure
sensor
Straight type connector
OUT
Fig. 6 – Connector types
5 Setting the Regulator
When the 'set' key is operated minimum/maximum pressure will be present
turns off. Because
at the outlet port. When primary pressure is applied to the regulator
are connected; the pressure in the
minimum pressure will be present at the outlet port.
, which is linked to the diaphragm
via the
ITV2000 series
• Release 'Key Lock 'as explained in section 'Function of Key-Lock'
• After releasing key lock, SET needs to be pressed again to get to F-1
• To set minimum pressure (display shows F-1) use up/down keys and
press 'Set' key to 'Lock' setting.
• To set maximum pressure (display shows F-2) use up/down keys and
press 'Set' key to 'Lock' setting.
Note 1: If the above sequence has been followed correctly, the settings will
complete automatically.
Note 2: If only setting minimum pressure, when pressure is 'Set', pressing
the set button once more will 'skip' to the next step..
6 Function of Key-Lock
The keys are locked after connecting power and cannot be operated. 'Loc'
is displayed when any keys are pushed.
• Key-Lock Release
• Push 'Down' key for longer than 2 seconds.
• Display will flash 'Loc' (locked).
Fig. 4 - Connection details
• Push 'Set' key to unlock.
Power supply
Note: The right angle type
Input signal
Note: To cancel push 'Up' key.
GND (Common)
connector extends to
Monitor output
the left side (over the
• Key-Lock• Push 'Up' key for longer than 2 seconds.
• Display will flash 'unL' (unlocked).
supply port side)
Brown
• Push 'Set' key to lock.
White
Note: To cancel push 'Down' key.
7 Function of the 'Error' Display
Brown If an abnormality is detected by the ITV the LED display will show 'Er'
Brown
followed by a code number. Isolate the power supply and ascertain the
Blue
Blue
problem and solve. Re-instate power supply after correcting fault. Error
White
White
codes are as shown in the table below.
Black
Black
No
1
Voltage signal type
2
Vs: Power supply 24 VDC
3
12-15 VDC
4
5
Vin: Input signal 0 to 5 VDC
0 to 10 VDC
8 Reset Function
• Push 'Up' and 'Down' keys (Fig 7) together for longer than 3 seconds.
• Display shows 'RES'.
• Release keys to reset minimum pressure and maximum pressure.
Right angle type connector
Electrical connector
Up key
Down key
Set key
LED display
Air supply port
Air out port
Gauge port
ITV3000 series
Fig. 7 - Key features of the ITV.
Content Display
Input signal is outside specification Er 1
EEProm read/write error Er 2
Memory read/write error Er 3
Solenoid valve fault Er 4
Switch output over-current Er 5