Putting Into Operation - Asco Aseptica Serie Instrucciones De Puesta En Marcha Y Mantenimiento

All screw terminals must be properly tightened prior to op-
eration (be sure to observe a tightening torque of 3 Nm).
The electrical connection is made by a metal cable gland
M16 x 1,5 mm for cable dia. 4,5-9 mm (tightening torque: 3 Nm).
Put the cover and its seal back in place (be sure to observe
a tightening torque of 5 Nm).
2) Connection by M12 connector:
1 4
Pin Single loop
5
2 3
1
2
3
4 Disc position feedback
5
Positioner , single loop
D
terminal block
1
2
1 + 24 V DC supply
2 GND supply
3 + Setpoint (0-10 V or 4-20 mA) 2
4 Setpoint GND
6 Disc position feedback
7 ON/OFF output: 24 V PNP 5

PUTTING INTO OPERATION

Valve installation: See I&M sheets for the series Aseptic 2/2
valves (http://www.asconumatics.eu).
Positioner unit characteristics:
D
- Pilot fluid: Air or inert gas, filtered 50 µm, unlubricated,
condensate-free and water-free (
- Supply pressure: 4 to 8 bar
- Ambient and pilot fluid temperature: 0 to +50°C
- Electrical protection: IP66 (EN 60529)
Analog setpoints to be selected when ordering:
- Voltage setpoint 0 – 10 V (200 kΩ input resistance)
- Current setpoint 4 - 20 mA (250 Ω input impedance)
- Supply voltage: 24 V DC ±10%
- Power rating: max. 8,5 W
- Hysteresis: < 2% of max. disc stroke
- Accuracy: < 2% of max. disc stroke
- ON/OFF output: 24 V PNP /max. 500 mA
- External sensor signal (option) = setpoint signal (0-10 V or
4-20 mA)
- Disc position feedback signal = setpoint signal (0-10 V or
4-20 mA)
PNEUMATIC CONNECTION (Fig. 5)
Connection: G 1/8 at pressure inlet.
Fig. 5
MANUAL OPENING AND CLOSING
It is possible to manually open and close the valve during
normal operation.
Procedure:
1 – Remove the cover.
2 – To switch to manual mode, simultaneously press the "Open"
General installation and maintenance instructions
Valves with Positioner
Double loop
+ 24V
+ Setpoint
GND
External sensor input
ON/OFF output: 24 V PNP
Positioner , double loop
D
terminal block
M12
4
5
3
1 1 + 24 V DC supply
3 2 GND supply
3 + Setpoint (0-10 V or 4-20 mA) 2
3 4 Setpoint GND
4 5 External sensor input
7 ON/OFF output: 24 V PNP
- Series Aseptic
D
button (no. 3) and the "Close" button (no. 4) until the green
LED flashes.
3 – Press the top button to open: The valve will open as
long as the button is pressed, it will stop opening as
soon as the button is released (fig. 7).
Fig. 6
M12
1 4
5
2 3
1
3
Or,
Press the bottom button (no. 4) to close: The valve will close
3
as long as the button is pressed, it will stop closing as soon
4
as the button is released. (fig. 7)
5
You can:
- Obtain information on the disc's position with a voltmeter or
an amperemeter connected to pins 2 and 6.
Exit from the manual mode:
- To exit the manual mode, again simultaneously press buttons
nos. 3 and 4 for 3 to 5 seconds; the disc will automatically
be restored into the setpoint position.
POSITIONER
1- Removal of the unit to be replaced (fig. 8)
a. Disconnect and remove all electrical and pneumatic sup-
plies.
b. Disconnect the pneumatic connection to the valve and
remove connector no. 5 (not supplied in the kit).
c. Loosen screw F by several turns to remove the unit from
its support.
d. Remove the unit + stem assembly and take care to protect
the stem against damage and bending stress.
e. Remove pneumatic supply connections nos. 5 and 6.
2
1
2
•
•
3
2
• •
•
• •
1
P P
• •
• •
(2) (1) (2) (1)
Fig. 7
UNIT REPLACEMENT
D
Fig. 8
503543-001
GB