oSIST prEN 1804-4:2005

SLOVENSKI oSIST prEN 1804-4:2005

PREDSTANDARD
januar 2005
Stroji za podzemno pridobivanje – Varnostne zahteve za hidravlično nosilno
podporje – 4. del: Elektrohidravlični krmilni sistemi
(istoveten prEN 1804-4:2004)
Machines for underground mines - Safety requirements for hydraulic powered roof
supports - Part 4: Electro-hydraulic control systems
ICS 73.100.10 Referenčna številka
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

EUROPEAN STANDARD
DRAFT
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2004
ICS
English version
Machines for underground mines - Safety requirements for
hydraulic powered roof supports - Part 4: Electro-hydraulic
control systems
Machines pour mines soterraines - Exigences de sécurité Maschinen für den Bergbau unter Tage -
relatives aux soutènements marchants applicables aux Sicherheitsanforderungen an hydraulischen Schreitausbau
piles - Partie 4 : Systèmes de commande électro- - Teil 4: Elektrohydraulische Steuerungen
hydrauliques
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 196.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other language
made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same
status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2004 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 1804-4:2004: E
worldwide for CEN national Members.

Contents Page
Foreword .4
Introduction.5
1 Scope.5
2 Normative references.6
3 Terms and definitions .8
4 List of hazards.12
5 Safety requirements.17
5.1 General requirements.17
5.1.1 General.17
5.1.2 Hazardous areas.17
5.1.3 Arrangement of the control devices.17
5.1.4 Push button override control (dead man's control).17
5.1.5 Location of components and routing of cables.17
5.2 Hardware.17
5.2.1 General requirements.17
5.2.2 Electro-hydraulic valves.18
5.2.3 Transducers.18
5.2.4 Connecting cables.19
5.2.5 Emergency stop switch.19
5.2.6 Face safety valve (dump valve).19
5.2.7 Test devices.19
5.2.8 Installation control unit.19
5.3 Software.20
5.3.1 General.20
5.3.2 Requirements .20
5.4 Emergency stop system and local lock-out device .21
5.4.1 Emergency stop device.21
5.4.2 Local lockout.22
5.4.3 Normal stopping device.23
5.5 Operational requirements .23
5.5.1 Types of control .23
6 Verification of the safety requirements .27
6.1 General.27
6.2 Type test .27
6.3 Other tests.27
7 User information.29
7.1 General requirements.29
7.2 Technical and application data.29
7.2.1 Introduction .29
7.2.2 General description.29
7.2.3 Electrical specification.30
7.2.4 Equipment description (system components).30
7.2.5 System layout.30
7.2.6 Drawings and documentation.30
7.3 Handling, transport and storage.30
7.3.1 Introduction .30
7.3.2 Handling and transport .30
7.3.3 Storage.30
7.4 Installation and commissioning. 31
7.4.1 Installation . 31
7.4.2 Commissioning. 31
7.5 Operation . 31
7.5.1 General. 31
7.5.2 Operator safety Instructions . 31
7.5.3 Modes of control. 31
7.5.4 Monitoring facilities. 31
7.6 Maintenance. 32
7.6.1 Introduction . 32
7.6.2 Technical description. 32
7.6.3 Maintenance instructions. 32
7.6.4 Fault diagnosis and correction . 32
7.6.5 Preventative maintenance schedules. 32
7.7 Parts identification list . 32
7.8 Marking . 33
7.9 Residual hazard . 33
Annex A (normative) Tests for verification of the safety requirements. 34
A.1 Tests. 34
A.1.1 Type test . 34
A.1.2 Vibration test. 35
A.1.3 Shock test . 35
A.1.4 Drop test . 35
A.1.5 Climate test. 36
A.1.6 Water tightness. 37
A.1.7 Pressure safety test. 37
A.1.8 Impulse test . 37
A.1.9 Explosion prevention and protection reference to ATEX/prEN 1710 . 37
A.1.10 EMC tests. 37
Annex B (normative) Manufacturer's EMC documentation. 38
B.1 Manufacturer's documentation . 38
B.2 Interference emission limits. 39
B.3 Immunity . 39
B.3.1 Performance assessment criteria. 39
B.3.2 Test conditions.
...