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Summary of Contents for Danfoss PVE 7 Series
- Page 1 Technical Information Electrohydraulic Actuators for PVG32, PVG100 and PVG120 PVE-EX Ex db version powersolutions.danfoss.com...
- Page 2 Technical Information Electrohydraulic Actuators PVE-EX Revision history Table of revisions Date Changed October 2017 Major revision 0102 January 2017 First edition 0101 © Danfoss | October 2017 BC00000393en-US0102...
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Page 3: Table Of Contents
Supervision of spool position...............................22 PVE-EX fault monitoring.................................23 Direction indication feedback (-DI)............................23 Internal and external earth-connection Earthing terminals..................................25 Internal earth-connection................................25 External earth-connection................................26 Maintenance, service, troubleshooting PVE-EX installation, start-up, and operation ........................27 © Danfoss | October 2017 BC00000393en-US0102 | 3... - Page 4 Electrohydraulic Actuators PVE-EX Contents Warnings PVE-EX warnings.....................................28 Code numbers PVE-EX Ex part numbers................................29 Declaration of confromity EC-Declaration of Conformity..............................30 Certificates EU-Type Examination Certificate..............................32 IECEx Certificate of Conformity..............................35 Safety certificate J2014084.................................39 Safety certificate J2014085.................................40 © Danfoss | October 2017 BC00000393en-US0102...
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Page 5: General Information
Electrohydraulic Actuators PVE-EX General information PVE-EX Introduction The Danfoss PVE-EX is a PVE series 7 actuator for PVG32, PVG100 and PVG120. The PVE-EX is an explosion proved PVE designed to be used in harsh environments like mining and oil and gas industries. - Page 6 The process of choosing the control system and safety levels is governed by the machine directives EN 13849 (Safety related requirements for control systems). © Danfoss | October 2017 BC00000393en-US0102...
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Page 7: Nameplate Description (Pve-Ex Db Version)
PVE-EX Ex db types with part numbers, Group I and Group II Group I Group II Type Part No. Type Part No. PVEO-EX-12V 11156462 PVEO-EX-24V 11156467 PVEO-EX-24V 11123165 PVEH-EX 11156463 © Danfoss | October 2017 BC00000393en-US0102 | 7... -
Page 8: Description Of The Ex Code (Pve-Ex Db)
Explosion protection marking Equipment Group Equipment Category EPL / Equipment Category EPL/Equipment Category Level of Typical zone of Definition protection application Group Category Group very high Mines high very high Gas atmospheres high enhanced © Danfoss | October 2017 BC00000393en-US0102... -
Page 9: Functionality
Warning Obstacles for the Pilot oil pressure (Pp) can have direct influence on spool control. Reduced Pp will limit spool control. Too high Pp can harm the PVE. © Danfoss | October 2017 BC00000393en-US0102 | 9... -
Page 10: Pve-Ex Control
By standard mounted PVE the A set gives full flow on A port and B gives on B port. Both directions activated at same time will keep the spool in neutral. 10 | © Danfoss | October 2017 BC00000393en-US0102... -
Page 11: Pve-Ex: Pve Hysteresis
PVES (left) and PVEH (right) position diagrams kwa1464034339820 The PVES has an ASIC closed loop circuit and NC-S solenoids. The PVEH has an ASIC closed loop circuit and NC solenoids. © Danfoss | October 2017 BC00000393en-US0102 | 11... -
Page 12: Specifications
Radiometric Fixed Control Signal (0-10 V) Radiometric control signal for PVEH/PVES Function of the pin Versions Demand signal PVEH-U Supply Voltage PVES-U-EX Ground PVES120-U-EX Error Error pin (See PVE-EX fault monitoring on page 23) 12 | © Danfoss | October 2017 BC00000393en-US0102... -
Page 13: Radiometric Control Signal - On/Off Activation
The PVE-EX is pre-calibrated from the factory to be inside the dead band of the proportional valve. The position sensor built into the PVE-EX cannot be adjusted by user. Any biasing of the position has to be incorporated in the demand signal. © Danfoss | October 2017 BC00000393en-US0102 | 13... -
Page 14: Technical Data
Input impedance in relation 0.5 x U 12 kΩ Fault monitoring Maximum load 60 mA Reaction time at fault 500 ms For more information about PVEO, PVES and PVEH versions please refer to Nameplate description. 14 | © Danfoss | October 2017 BC00000393en-US0102... -
Page 15: Reaction Times
The PVE-EX is pre-calibrated from the factory to be inside the dead band of the proportional valve. The position sensor built into the PVE-EX cannot be adjusted by user. Any biasing of the position has to be incorporated in the demand signal. © Danfoss | October 2017 BC00000393en-US0102 | 15... -
Page 16: Installation
In a case of damage to enclosure, plug or cable, the PVE-EX module must be replaced. Please refer to the information in this manual for an assistance, or consult with a professional. 16 | © Danfoss | October 2017 BC00000393en-US0102... -
Page 17: Cable
8. Tighten the screws to the specified torque 6 ± 1 N•m. 9. Tighten the gland to the specified torque in which the cable is locked correctly. Use screws made from stainless steel grade A4 or stronger (enclosed). © Danfoss | October 2017 BC00000393en-US0102 | 17... -
Page 18: Cable Gland
Ex IIB Gb (-40° C ≤ ta ≤ +80° C) [-40° F to +176° F] Group II Warning Pre-certified cable gland must have thread: M20 x 1.5 mm and must be sealed with O-ring 20 x 1.5 mm at the threaded entry. 18 | © Danfoss | October 2017 BC00000393en-US0102... -
Page 19: Mounting Of Pvg
The PVE-EX can be installed as either standard mount or optional mount. Standard assembly PVE-EX P → A 7-9 N•m [61-79 lbf•in] Q max: P → B Q max: P → V310474.A © Danfoss | October 2017 BC00000393en-US0102 | 19... -
Page 20: Direction Of Cable Exit
The design of the PVE-EX enables the customer to choose if the cable will exit towards or away from the PVG group. Cable exits towards PVG (left); Cable exits away from PVG (right) kwa1464295111132 20 | © Danfoss | October 2017 BC00000393en-US0102... -
Page 21: Safety And Monitoring
Hydraulic oil can cause both environmental damage and personal injuries. • Module replacement can introduce contamination and errors to the system. It is important to keep the work area clean and components should be handled with care. © Danfoss | October 2017 BC00000393en-US0102 | 21... -
Page 22: Pve-Ex Fault Monitoring And Reaction
Error pins from more PVEs may not be interconnected. Not activated error pins are connected to ground and will disable any active signal. Error pins are signal pins and can only supply very limited power consumption. • The solenoid valves are disabled when 22 | © Danfoss | October 2017 BC00000393en-US0102... -
Page 23: Pve-Ex Fault Monitoring
“High”. The reverse is true when the spool is moved in the B direction. Values for Direction Indicators (-DI) 0.8 ± 1 mm [0.031 in] Transition from high to low 0.4 ± 1 mm [0.015 in] Transition from low to high © Danfoss | October 2017 BC00000393en-US0102 | 23... - Page 24 Maximum load of DI-A, DI-B > U – 1.5 V Voltage DI high by load 20 mA > U – 2.0 V Voltage DI high by load 50 mA < 0.2 V Voltage DI low 24 | © Danfoss | October 2017 BC00000393en-US0102...
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Page 25: Internal And External Earth-Connection
2. Crimp or solder the shield into the cable shoe. 3. Attach the cable shoe to the chassis via the M4 screw and the self-locking ring. 4. Tighten the screws to the specified torque 5 ± 2 N•m. © Danfoss | October 2017 BC00000393en-US0102 | 25... -
Page 26: External Earth-Connection
1. Crimp or solder the earth wire into the cable shoe. 2. Attach the cable shoe to the chassis via the M4 screw and the self-locking ring. 3. Tighten the screws to the specified torque 5 ± 2 N•m. 26 | © Danfoss | October 2017 BC00000393en-US0102... -
Page 27: Maintenance, Service, Troubleshooting
Warning All national safety regulations must be fulfilled in connection with installation, start-up and operation of Danfoss PVE-EX electrical actuation's. Furthermore, the requirements of the Declaration of Conformity and national regulations for installations in potentially explosive atmospheres applies as well. -
Page 28: Pve-Ex Warnings
• Obstacles for the Pilot oil can have direct influence on spool control. • Reduced pilot oil pressure will limit spool control. • Too high pilot oil pressure can harm the PVE-EX. 28 | © Danfoss | October 2017 BC00000393en-US0102... -
Page 29: Code Numbers
Part No. PVEO-EX-12V 11156462 PVEO-EX-24V 11156467 PVEO-EX-24V 11123165 PVEH-EX 11156463 PVEO-DI-EX-24V 11156461 PVES-EX 11156464 PVEH-DI-EX 11127696 PVEH-U-EX 11156465 PVEH120-DI-EX 11166357 PVES-U-EX 11156466 PVEO120-DI-EX-12V 11170401 PVES120-U-EX 11156568 PVEO120-EX-24V 11156468 PVES120-EX 11156567 PVEH120-EX 11161000 © Danfoss | October 2017 BC00000393en-US0102 | 29... -
Page 30: Declaration Of Confromity
Technical Information Electrohydraulic Actuators PVE-EX Declaration of confromity EC-Declaration of Conformity 30 | © Danfoss | October 2017 BC00000393en-US0102... - Page 31 Technical Information Electrohydraulic Actuators PVE-EX Declaration of confromity © Danfoss | October 2017 BC00000393en-US0102 | 31...
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Page 32: Certificates
Technical Information Electrohydraulic Actuators PVE-EX Certificates EU-Type Examination Certificate 32 | © Danfoss | October 2017 BC00000393en-US0102... - Page 33 Technical Information Electrohydraulic Actuators PVE-EX Certificates © Danfoss | October 2017 BC00000393en-US0102 | 33...
- Page 34 Technical Information Electrohydraulic Actuators PVE-EX Certificates 34 | © Danfoss | October 2017 BC00000393en-US0102...
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Page 35: Iecex Certificate Of Conformity
Technical Information Electrohydraulic Actuators PVE-EX Certificates IECEx Certificate of Conformity © Danfoss | October 2017 BC00000393en-US0102 | 35... - Page 36 Technical Information Electrohydraulic Actuators PVE-EX Certificates 36 | © Danfoss | October 2017 BC00000393en-US0102...
- Page 37 Technical Information Electrohydraulic Actuators PVE-EX Certificates © Danfoss | October 2017 BC00000393en-US0102 | 37...
- Page 38 Technical Information Electrohydraulic Actuators PVE-EX Certificates 38 | © Danfoss | October 2017 BC00000393en-US0102...
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Page 39: Safety Certificate J2014084
Technical Information Electrohydraulic Actuators PVE-EX Certificates Safety certificate J2014084 © Danfoss | October 2017 BC00000393en-US0102 | 39... -
Page 40: Safety Certificate J2014085
Technical Information Electrohydraulic Actuators PVE-EX Certificates Safety certificate J2014085 40 | © Danfoss | October 2017 BC00000393en-US0102... - Page 41 Technical Information Electrohydraulic Actuators PVE-EX © Danfoss | October 2017 BC00000393en-US0102 | 41...
- Page 42 Technical Information Electrohydraulic Actuators PVE-EX 42 | © Danfoss | October 2017 BC00000393en-US0102...
- Page 43 Technical Information Electrohydraulic Actuators PVE-EX © Danfoss | October 2017 BC00000393en-US0102 | 43...
- Page 44 Phone: +86 21 3418 5200 Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without changes being necessary in specifications already agreed.
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