Related Manuals for JUMO Ex-i
Summary of Contents for JUMO Ex-i
- Page 1 JUMO Ex-i Isolating Switch Amplifier Safety Manual 70754000T99Z001K000 V1.00/EN/00751108/2021-03-17...
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Page 3: Table Of Contents
Contents Contents Introduction ..........5 Safety information . - Page 4 Contents 6.11 Notes for operation ............26 6.12 Start and restart .
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Page 5: Introduction
Introduction 1 Introduction Safety information General This manual contains information that must be observed in the interest of your own safety and to avoid material damage. This information is supported by symbols which are used in this manual as indicated. Please read this manual before starting up the device. -
Page 6: Description
Ex zone 2 and used with a sensor in zone 0. The JUMO Ex-i isolating switching amplifier is ideal for JUMO NESOS float switches with 2 switch con- tacts and also supports NAMUR proximity sensors. In addition, it features an extended ambient tempera- ture range from -40 to +60 °C. -
Page 7: Safety Requirements And Installation Instructions
Safety requirements and installation instructions 2 Safety requirements and installation instructions Installation instructions – The device is associated equipment with an EPL [Ga], [Da] (category 1) of the ignition protection type "intrinsic safety" and can be installed as a device with the EPL Gc (category 3) in the potentially explosive area of Zone 2. -
Page 8: Installation In Zone 2
2 Safety requirements and installation instructions Installation in zone 2 – Adhere to the specified conditions for use in potentially explosive areas. Only use a suitable ap- proved housing of the minimum protection type IP54 that meets the requirements of EN 60079-15 during installation. -
Page 9: Safety Data In Accordance With Atex And Iecex
2 Safety requirements and installation instructions Safety data in accordance with ATEX and IECEx Intrinsically safe sensor input Max. output voltage U 9.56 V Max. output current I 10.3 mA Max. output power P 25 mW Group IIB/IIIC Max. external inductance L 1000 mH Max. - Page 10 2 Safety requirements and installation instructions...
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Page 11: Installation
Installation 3 Installation Connection instructions WARNING! Electrical dangers due to improper installation Observe the following connection information to ensure safe installation according to EN/UL 61010-1: – In the device installation, separating devices and auxiliary flow circuit protection devices must be provided with suitable AC or DC values. -
Page 12: Design
3 Installation Design r i t z - J e i m / 3 8 l d a t r . i s o l a t w . j o . n i t c p l i fi e T r e 1 . -
Page 13: Inputs (Intrinsically Safe)
3 Installation Inputs (intrinsically safe) Connection of NAMUR proximity sensors or switching contacts (with resistance circuit) Channel 1 Terminals 4.1 (+) and 4.3 (-) Channel 2 Terminals 5.1 (+) and 5.3 (-) Outputs One relay output (changeover contact) per channel Channel 1 Terminals 3.2 (root/common = 11) and 3.1 (normally open contact =14) Terminals 3.2 (root/common = 11) and 3.3 (normally closed contact = 12) -
Page 14: Mounting
3 Installation Mounting 1. Mount the module on a 35-mm mounting rail according to EN 60715. 2. Install the module in a suitable housing in order to meet the requirements for the protection rating. 3.10 Connecting the lines Screw connection Admissible conductor cross section: 0.2 mm to 2.5 mm 1. -
Page 15: Configuration
Configuration 4 Configuration NOTICE! Only switch the DIP switch when the device is de-energized. By default upon delivery, all DIP switches are in the "I" position. DIP switch Effective direction Switch DIP 1 = channel 1, DIP 3 = channel 2 The effective direction is set using the DIP switch DIP 1 (for channel 1) and DIP 3 (for channel 3). -
Page 16: Operating Mode Table
4 Configuration NOTICE! For unconnected switching contacts, line fault detection (LF) must be disabled or the corre- sponding resistance circuit must be provided directly at the switching contact. Unconnected switching contact Switching contact with resistance circuit Operating mode table WARNING! For safety-related applications, only the switch position "DIP 2/DIP 4 = II"... - Page 17 4 Configuration...
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Page 19: Comparison Of The Safety Data
5 Comparison of the safety data WARNING! Explosion hazard Compare the safety data before you connect a module located in the Ex-i area to the JUMO Ex-i isolating switch amplifier. Provide proof of intrinsic safety according to the standard IEC/EN 60079-14 and, if necessary, additional national standards and installation regulations. - Page 20 5 Comparison of the safety data...
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Page 21: Safety-Related Applications
6 Safety-related applications The specifications in this chapter refer to the standard IEC 60508 Edition 2 (2010). A FMEDA report is available for the JUMO Ex-i isolating switch amplifier; it is available upon request. chapter 6.15 "Excerpt from FMEDA report", Page 28... -
Page 22: Operating Mode
6 Safety-related applications Operating mode Operating mode according to IEC/EN 61508: "low-demand mode" or "high-demand mode". Failure behavior and required reaction • The safe state is adopted when a line fault is detected or if the voltage supply fails. • The safe state is achieved by disconnecting the connection terminals. -
Page 23: Failure Rates
6 Safety-related applications Failure rates Non-inverting operation MTBF Function 187 FIT 6 FIT 48 FIT 80 % 227 years Normally open contact (RNO) C1 252 FIT 6 FIT 83 FIT 76 % 189 years Normally open contact (RNO) C2 177 FIT 6 FIT... -
Page 24: Conditions
6 Safety-related applications Failure limit value The operating mode with low-demand mode is taken as the basis. The proportion of the device at PFH/ PFD of the entire safety circuit is less than 10 %. Safety circuit according to IEC/EN 61508-1 Sensor Device Processing... -
Page 25: Installation And Startup
6 Safety-related applications 6.10 Installation and startup NOTICE! Installation, operation, and maintenance must be carried out by qualified personnel. Please note the package leaflet during installation: Designation Installation instructions for the electrical installer EU declaration of conformity The package leaflet is part of the device's scope of delivery. The documents are available as PDF files and can be downloaded from the manufacturer's website. -
Page 26: Notes For Operation
6 Safety-related applications 6.11 Notes for operation In normal operation, the green LED (PWR) lights up continuously. The yellow LEDs (OUT1/OUT2) display the switching status of the relay output. The red LEDs (LF1/LF2) display faults that occur when line fault detection is switched on. The safe state is adopted once a line fault is detected or if the voltage supply fails. -
Page 27: Regular Tests
The devices have a long life cycle, are protected against malfunctions, and are maintenance-free. If a device fails despite this, send it back to JUMO GmbH & Co. KG. Specify the type of malfunction and the possible reason for the malfunction when doing so. -
Page 28: Excerpt From Fmeda Report
6 Safety-related applications 6.15 Excerpt from FMEDA report Normally open configurations C1-C4 Failure category IEC 61508:2010 Failure rates (in FIT) Normal Normal Inverted Inverted Safe detected (λ Safe undetected (λ Dangerous detected (λ Dangerous undetected (λ No effect Total failure rate (safety function) 80 % 75 % 79 %... -
Page 29: Standards
6 Safety-related applications 6.16 Standards The devices are developed and approved according to the following standards: IEC/EN 61508-1:2011 Functional safety of electrical/electronic/programmable electronic safety-related systems, Part 1: General requirements IEC/EN 61508-2:2011 Functional safety of electrical/electronic/programmable electronic safety-related systems, Part 2: Requirements for electrical/elec- tronic/programmable electronic safety-related systems IEC/EN 61326-1:2006 Electrical equipment for measurement, control and laboratory use... - Page 30 6 Safety-related applications...
- Page 32 JUMO GmbH & Co. KG JUMO Instrument Co. Ltd. JUMO Process Control, Inc. Street address: JUMO House 6733 Myers Road Moritz-Juchheim-Straße 1 Temple Bank, Riverway East Syracuse, NY 13057, USA 36039 Fulda, Germany Harlow, Essex, CM20 2DY, UK Delivery address:...