Rosemount Manual: TankRadar Rex Special Safety Instruction ATEX | Rosemount Manuals & Guides
Special Safety Instruction
308030EN, Edition 2
April 2013
Special Safety Instruction
Tank Gauging System
ATEX version
www.rosemount-tg.com
Special Safety Instruction
308030EN, Edition 2
April 2013
Rosemount TankRadar REX
Table of Contents
Contents
SPECIAL SAFETY INSTRUCTION . . . . . . . . . . . . . . . . . . . . . . TOC-II
1. GENERAL REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.1 SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.2 FLAMEPROOF/EXPLOSIONPROOF ENCLOSURES . . . . . . . . . . . . .1-2
1.3 NON-RECOGNIZED SPARE PARTS . . . . . . . . . . . . . . . . . . . . . . . . . .1-2
2. EXPLOSION PROTECTION TECHNIQUES . . . . . . . . . . . . . . 2-1
2.1 INTRINSIC SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.2 FLAMEPROOF/EXPLOSION PROOF . . . . . . . . . . . . . . . . . . . . . . . . .2-2
2.3 INCREASED SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.4 EUROPEAN ATEX DIRECTIVE INFORMATION . . . . . . . . . . . . . . . . . 2-3
2.4.1 Radar Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
2.4.2 Radar Tank Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2.4.3 Transmitter Interface Card (TIC) . . . . . . . . . . . . . . . . . . . .2-5
2.4.4 Temperature Multiplexer Card (TMC) . . . . . . . . . . . . . . . .2-6
2.4.5 FF Adaptor Card (FFA) . . . . . . . . . . . . . . . . . . . . . . . . . . .2-7
2.4.6 Data Acquisition Unit (DAU) . . . . . . . . . . . . . . . . . . . . . . .2-8
2.4.7 Remote Display Unit 40 (RDU 40) . . . . . . . . . . . . . . . . . .2-9
3. SAFE CONNECTION OF TANKRADAR REX . . . . . . . . . . . . 3-1
3.1 CABLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
3.2 INTEGRATED JUNCTION BOX, JBI . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
3.3 CUSTOMER SUPPLIED JUNCTION BOX . . . . . . . . . . . . . . . . . . . . . .3-1
3.4 GROUNDING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2
TOC-i
Rosemount TankRadar REX
Table of Contents
SPECIAL SAFETY INSTRUCTION
This document lists specific requirements which have to be fulfilled to
secure a safe installation and use of Rosemount TankRadar REX in
hazardous area.
Omission may jeopardize safety, and Rosemount Tank Radar AB will not
take any responsibility if requirements as listed below are not fulfilled.
Special Safety Instruction
308030EN, Edition 2
April 2013
TOC-ii
Special Safety Instruction
308030EN, Edition 2
April 2013
1. General Requirements
1.1 Safety Instructions
• The REX 3900 gauge must be installed by suitably trained personnel according to the accompanied instructions and in accordance
with the applicable code of practice.
• An “X” suffix on the approval number (e.g. Baseefa
03ATEX0071X) indicates that special conditions for safe use
apply.
• Make sure that the connected power supply is in accordance with
the marking on the REX 3900 gauge.
• Select external fuse rating with respect to area temperature classification (T1-T6) and maximum expected ambient temperature to
prevent overheating of the W11 wiring (0.5 mm2), see Figure 3-1.
Example: maximum allowed (fault) current in a T4 installation with
70°C ambient is 7.5 A according to the lead seal compartment certificate PTB 97 ATEX 1047 U.
Rosemount Tank Radar REX
Chapter 1 General Requirements
1-1
Special Safety Instruction
Rosemount Tank Radar REX
Chapter 1 General Requirements
1.2 Flameproof/Explosionproof Enclosures
Flameproof/Explosionproof enclosures of Radar Tank Gauges (RTG)
may not be opened while energized.
Rosemount Tank Radar AB will not take any responsibility for local
regulations defining conditions when flame proof enclosures are allowed
to be opened while energized.
308030EN, Edition 2
April 2013
Flameproof enclosure
RTG3930_Flameproof.eps
Figure 1-1. Radar Tank Gauge with flameproof enclosure.
1.3 Non-Recognized Spare Parts
Any substitution of non-recognized spare parts may jeopardize safety.
Rosemount Tank Radar AB will not take any responsibility for faults,
accidents, etc. caused by non-recognized spare parts.
Recognized spare parts shall have or be packed with label with
Rosemount Tank Radar AB name and identification number.
1-2
Loading...