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Operating instructions
- Translation of the original -
Elektropneumatic positioner
DigiPos
for diaphragm, piston and rotary actuators
GBR
English
Guth Ventiltechnik GmbH
Im Niedersand 52
D - 76877 Offenbach an der Queich
+49 (0) 6348 23 801 - 0
Fax: +49 (0) 6348 23 801 - 85
www.guth-vt.de
sales@guth-vt.de
1
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Summary of Contents for Guth Ventiltechnik DigiPos
- Page 1 Operating instructions - Translation of the original - Elektropneumatic positioner DigiPos for diaphragm, piston and rotary actuators English Guth Ventiltechnik GmbH Im Niedersand 52 D - 76877 Offenbach an der Queich +49 (0) 6348 23 801 - 0 Fax: +49 (0) 6348 23 801 - 85 ...
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Page 2: Table Of Contents
No sections may be removed from these instructions. Should the operating instructions or individual pages be missing, they must be replaced at once. Change Service This documentation is subject to the Change Service of Guth Ventiltechnik GmbH. Guth Ventiltechnik GmbH Changes may be made to this documentation without notice of such changes being Im Niedersand 52 given. -
Page 3: General Information
G e n e r a l i n f o r m a t i o n 1.1 Information for your safety We are pleased that you have decided for a high-class GUTH product. With correct application and adequate maintenance, our products provide long time and reliable operation. -
Page 4: Safety Instructions
S a f e t y i n s t r u c t i o n s NOTICE • Before commencing installation, commissioning or other work on the control valve please read this manual. The manual is only valid for the described valve actuators and the DigiPos posi- tioner. 2 . 1 I n t e n d e d u s e The DigiPos positioner is only approved for the applications which we have specified. -
Page 5: General Information On The Positioner
The DigiPos is an electronic positioner for pneumatically operated modulating valves. It is suitable for membrane, piston and rotary actuators. The DigiPos is adjusted in accordance with the respective valve during final assembly at the works via an RS232 interface. -
Page 6: Mounting On Diaphragm Actuator
3 . 3 M ou nt i n g o n d i a ph ragm a c t ua t or Fig. 1 VSR modulating valve with diaphragm actuator and DigiPos positioner Elektropneumatic positioner DigiPos 3. General information on the positioner... -
Page 7: Mounting On Piston Actuator
3 . 4 M ou nt i n g o n p i s t on a c t ua t o r Fig. 2 VSR modulating valve with piston actuator (stroke actuator) and DigiPos positioner Elektropneumatic positioner DigiPos 3. General information on the positioner... -
Page 8: Mounting On Rotary Actuator
3 . 5 M ou nt i n g o n ro t a r y a c t u a t o r Fig. 3 Modulating butterfly valve with rotary actuator and DigiPos positioner Elektropneumatic positioner DigiPos 3. General information on the positioner... -
Page 9: Design Of The Positioner
U n i t d e s i g n o f t h e va r i o u s v e rs i o n s 4 . 1 . 1 Unit design of DigiPos for diaphragm actuators Fig. -
Page 10: Unit Design Of Digipos For Piston Actuators
4 . 1 . 2 Unit design of DigiPos for piston actuators Fig. 5 DigiPos for piston actuators Elektropneumatic positioner DigiPos 4. Design of the positioner... -
Page 11: Unit Design Of Digipos For Rotary Actuators
4 . 1 . 3 Unit design of DigiPos for rotary actuators Fig. 6 DigiPos for rotary actuators Elektropneumatic positioner DigiPos 4. Design of the positioner... -
Page 12: Component Table
Cable clamp Sensor cable fixture Round recessed head screw M4x14 Fixture of holding plate for electrical circuit board DigiPos electronic circuit board with metal plate console M3x8 hexagonal screw with split washer Electrical circuit board fixture and M3 hexagonal nut O-ring 90x2.5... -
Page 13: Electrical And Pneumatic Connections
E l e c t r i c a l a n d p ne u m a t i c c o n n e c t io n s Fig. 7 Modulating valve type VSR with diaphragm actuator and DigiPos Elektropneumatic positioner DigiPos 4. -
Page 14: Electrical Connections
Fig. 8 Electrical connections; Positioner circuuit board NOTICE • The path measurement, LED display and control valve terminals are already connected at the works. The supply line terminal must be connected in the system. Elektropneumatic positioner DigiPos 4. Design of the positioner... -
Page 15: Terminal - Path Measurement
4 . 3 . 2 Terminal - LED display Fig. 10 Connection of the external LEDs 4 . 3 . 3 Terminal - control valves (solenoid valves) Fig. 11 Connection of the control valves (pilot valves) Elektropneumatic positioner DigiPos 4. Design of the positioner... -
Page 16: Terminal Supply Line
Setpoint 4-20 mA + Input Setpoint 4-20 mA - Supply +24 V DC Supply Ground Tab. 3 Anschluss der Klemme Zuleitung NOTICE • It is not necessary to use the signalling unit. Elektropneumatic positioner DigiPos 4. Design of the positioner... -
Page 17: Principle Of Operation
The current position is shown on the display (18) and indicated by the current output of the position signalling unit (13). The position is shown as a percentage and is based on the full stroke of the valve. Elektropneumatic positioner DigiPos 4. Design of the positioner... -
Page 18: Installation
Re pl a c e m e n t of p os i t io ne rs m ou nt e d by N a mur w i t h Di g i Pos Fig. 15 Control valve type VSR with positioner mounted by Namur Elektropneumatic positioner DigiPos 5. Installation... -
Page 19: Mounting On A Diaphragm Actuator
Do not overturn the thread by using excessive force. Place the DigiPos without the protective cover onto the actuator and align the control air connection of the basic body with the air connection of the actuator. Scope of supply: Air supply connection: >>... -
Page 20: Mounting On Piston And Rotary Actuator
Place DigiPos without protective cover on actuator and align. The hole on the top of the actuator (air connection) must be aligned with the hole on the underside of the basic body (control air duct). -
Page 21: Connection Of The Electric Lines
C o n n e c t i o n o f t h e e l e c t r i c l i n e s During assembly or during the welding of valves with factory-assembled DigiPos in pipes, make sure that the electrical connection is made only after the assembly and welding operations. -
Page 22: Commissioning
The end positions of the position encoder are then meas- ured and permanently programmed in the DigiPos. During stroke alignment a flashing "A." appears on the position display. When alignment has been completed a permanent "A0" appears on the position display. -
Page 23: Positioner Accuracy
• Always observe the technical data given in this manual. • The steel protective cover of the DigiPos must always be screwed firmly in place. If this is not the case, protection class IP 65 cannot be guaranteed and the positioner can suffer damage resulting from penetrating media. -
Page 24: Technical Data
Litre capacity vent air valve (unre- 98 Liter / min stricted) Supply air connection Quick-fit air screw connection ¼“: Suitable for plastic air hoses, - inside Ø 4mm - outside Ø 6mm Tab. 8 Pneumatic Data Elektropneumatic positioner DigiPos 7. Technical Data... -
Page 25: Elektric Data
(1% default setting) Adjustment time 0,5 – 4 sek. Solenoid valves, switching time 10 ms Solenoid valves, current 20 mA max. 100 mA Solenoid valves, service life 10 million cycles Tab. 10 Miscellaneous Data Elektropneumatic positioner DigiPos 7. Technical Data... -
Page 26: Type Key
T y p e k e y Elektropneumatic positioner DigiPos 8. Type key...
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