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Summary of Contents for Beckhoff ELX3202
- Page 1 Operating manual ELX3202 and ELX3204 2- and 4-channel analog input terminals, RTD, 16 bit, Ex i Version: 1.2.0 Date: 2018-08-08...
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Page 3: Table Of Contents
Notes on the documentation...................... 5 Safety instructions .......................... 6 Documentation Issue Status...................... 7 Marking of ELX terminals........................ 8 2 Product overview............................. 11 ELX3202 - Introduction ......................... 11 ELX3204 - Introduction ......................... 12 Technical data .......................... 13 Intended use .......................... 14 3 Mounting and wiring .......................... 15 Special conditions of use for ELX terminals ................. - Page 4 Table of contents Version: 1.2.0 ELX3202 and ELX3204...
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Page 5: Foreword
The TwinCAT Technology is covered, including but not limited to the following patent applications and patents: EP0851348, US6167425 with corresponding applications or registrations in various other countries. ® EtherCAT is registered trademark and patented technology, licensed by Beckhoff Automation GmbH, Germany Copyright © Beckhoff Automation GmbH & Co. KG, Germany. -
Page 6: Safety Instructions
All the components are supplied in particular hardware and software configurations appropriate for the application. Modifications to hardware or software configurations other than those described in the documentation are not permitted, and nullify the liability of Beckhoff Automation GmbH & Co. KG. Personnel qualification This description is only intended for trained specialists in control, automation and drive engineering who are familiar with the applicable national standards. -
Page 7: Documentation Issue Status
• Chapter Arrangement of ELX terminals at the bus terminal updated 1.0.1 • Layout updated • Chapter Mounting and wiring updated • Technical data updated • Chapter Mounting and wiring updated • Chapter Intended use added • First preliminary version ELX3202 and ELX3204 Version: 1.2.0... -
Page 8: Marking Of Elx Terminals
• Beckhoff Traceability Number, or BTN for short (as a serial number it clearly identifies each terminal) Date code The date code is an eight-digit number given by Beckhoff and printed on the ELX terminal. The date code indicates the build version in the delivery state and thus identifies an entire production batch, but does not distinguish between the terminals in a batch. -
Page 9: Fig. 1 Elx1052-0000 With Date Code 3218Fmfm, Btn 10000100 And Ex Marking
01 - firmware version 01 00 - hardware version 00 Beckhoff Traceability Number (BTN) In addition, each ELX terminal has a unique Beckhoff Traceability Number (BTN). Ex marking The Ex marking can be found at the top left on the terminal:... -
Page 10: Fig. 2 Elx9012 With Date Code 32180005 And Ex Marking
Foreword Fig. 2: ELX9012 with date code 32180005 and Ex marking Version: 1.2.0 ELX3202 and ELX3204... -
Page 11: Product Overview
The ELX3202 analog input terminal allows the direct connection of RTDs located in hazardous areas classified Zone 0/20 or 1/21. The circuitry of the ELX3202 can operate sensors with 2, 3 and 4-wire technology. Linearization is carried out over the entire freely selectable temperature range. By default the terminal is set to PT100 sensors with 2-wire technology. -
Page 12: Elx3204 - Introduction
Linearization is carried out over the entire freely selectable temperature range. By default the terminal is set to PT100 sensors with 2-wire technology. The ELX3204 terminal indicates signal state and sensor malfunctions (e.g. wire breakage) by means of LEDs. Version: 1.2.0 ELX3202 and ELX3204... -
Page 13: Technical Data
35 mm mounting rail conforms to EN 60715 Vibration / shock resistance conforms to EN 60068-2-6 / EN 60068-2-27 EMC immunity / emission conforms to EN 61000-6-2 / EN 61000-6-4 Protect. class IP20 Permissible installation position See chapter Installation position and minimum distances [} 20] Approvals CE, ATEX, IECEx ELX3202 and ELX3204 Version: 1.2.0... -
Page 14: Intended Use
IECEx scheme! CAUTION The ELX terminals extend the field of application of the Beckhoff bus terminal system with functions for integrating intrinsically safe field devices from hazardous areas. The intended field of application is data acquisition and control tasks in discrete and process engineering automation, taking into account explosion protection requirements. -
Page 15: Mounting And Wiring
• Observe the permissible ambient temperature range of -25 to +60°C of Beckhoff ELX terminals! • Measures must be taken to protect against the rated operating voltage being exceeded by more than 40% due to short-term interference voltages! The power supply of the ELX9560 power supply terminal must correspond to overvoltage category II according... - Page 16 1 to 8 on the left above the respective terminal point as well as via the laser image. Observe any possible polarity dependency of connected intrinsically safe circuits! Version: 1.2.0 ELX3202 and ELX3204...
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Page 17: Arrangement Of Elx Terminals Within A Bus Terminal Block
• The last terminal of each ELX segment is to be covered by an ELX9012 bus end cover, unless two ELX9410 power supply terminals are installed in direct succession for con- tinuing the same terminal segment with standard Beckhoff EtherCAT terminals (e.g. EL/ ES/EK)! Examples for the arrangement of ELX terminals Fig. 5: Valid arrangement of the ELX terminals (right terminal block). -
Page 18: Fig. 8 Valid Arrangement - Elx9410 In Front Of An Elx9560 Power Supply Terminal
Fig. 10: Invalid arrangement - terminal that does not belong to the ELX series within the ELX terminal segment. Fig. 11: Invalid arrangement - second ELX9560 power supply terminal within the ELX terminal segment without an upstream ELX9410. Version: 1.2.0 ELX3202 and ELX3204... -
Page 19: Fig. 12 Invalid Arrangement - Missing Elx9012 Bus End Cover
ELX9560 power supply terminal in accordance with the specified technical Attention data. If required, an additional power supply terminal ELX9560 with an upstream ELX9410 con- nected (see mounting examples) must be installed or a completely new terminal block must be assembled. ELX3202 and ELX3204 Version: 1.2.0... -
Page 20: Installation Position And Minimum Distances
• besides the bus terminal block: 20 mm (recommended) Fig. 13: Installation position and minimum distances Observe the minimum separation distances according to IEC 60079-14! Observe the prescribed minimum separation distances between intrinsically safe and non- intrinsically safe circuits according to IEC 60079-14. WARNING Version: 1.2.0 ELX3202 and ELX3204... -
Page 21: Installation Of Elx Terminals On Mounting Rails
To mount the mounting rails with a height of 7.5 mm under the terminals and couplers, you should use flat mounting connections (e.g. countersunk screws or blind rivets). ELX3202 and ELX3204 Version: 1.2.0... -
Page 22: Connection
Bus Terminals) do not or not fully loop through the power contacts. Connection 3.6.1 Connection system Risk of electric shock and damage of device! Bring the bus terminal system into a safe, powered down state before starting installation, disassembly or wiring of the bus terminals! WARNING Version: 1.2.0 ELX3202 and ELX3204... -
Page 23: Wiring
Bring the bus terminal system into a safe, powered down state before starting installation, disassembly or wiring of the Bus Terminals! WARNING Terminals for standard wiring ELXxxxx Fig. 17: Connecting a cable on a terminal point ELX3202 and ELX3204 Version: 1.2.0... -
Page 24: Proper Line Connection
In any case, make sure that the galvanic isolation made by the ELX9560 between the 24 V Ex busbar (power contacts +24 V Ex and 0 V Ex) and other system potentials (if applicable WARNING also functional or protective earths) is not removed. Version: 1.2.0 ELX3202 and ELX3204... -
Page 25: Elx3202 - Contact Assignment
Mounting and wiring 3.6.5 ELX3202 - Contact assignment Fig. 18: ELX3202 - Contact assignment Terminal point Description Name +RL1 Channel 1: Input +RL1 (RTD current source) Channel 1: Input +R1 (RTD voltage measurement) +RL2 Channel 2: Input +RL2 (RTD current source) - Page 26 The resistance is in the invalid range of the characteristic curve. Possible short circuit or wire breakage at channel 1. Error Ch 2 red The resistance is in the invalid range of the characteristic curve. Possible short circuit or wire breakage at channel 2. Version: 1.2.0 ELX3202 and ELX3204...
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Page 27: Elx3204 - Contact Assignment
Channel 1: Input -R1 (RTD voltage measurement, RTD current sink) Channel 2: Input -R2 (RTD voltage measurement, RTD current sink) Channel 3: Input -R3 (RTD voltage measurement, RTD current sink) Channel 4: Input -R4 (RTD voltage measurement, RTD current sink) ELX3202 and ELX3204 Version: 1.2.0... - Page 28 The resistance is in the invalid range of the characteristic curve. Possible short circuit or wire breakage at channel 3. Error Ch 4 The resistance is in the invalid range of the characteristic curve. Possible short circuit or wire breakage at channel 4. Version: 1.2.0 ELX3202 and ELX3204...
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Page 29: Appendix
Beckhoff EtherCAT modules are intended for use with Beckhoff’s UL Listed EtherCAT Sys- tem only. Examination For cULus examination, the Beckhoff I/O System has only been investigated for risk of fire and electrical shock (in accordance with UL508 and CSA C22.2 No. 142). For devices with Ethernet connectors Not for connection to telecommunication circuits. -
Page 30: Support And Service
Beckhoff's branch offices and representatives Please contact your Beckhoff branch office or representative for local support and service on Beckhoff products! The addresses of Beckhoff's branch offices and representatives round the world can be found on her internet pages: http://www.beckhoff.com You will also find further documentation for Beckhoff components there. - Page 31 ELX9012 with date code 32180005 and Ex marking..............Fig. 3 ELX3202 - 2-channel analog input terminal RTD for 2, 3 and 4-wire connection, 16 bit, Ex i ..Fig. 4 ELX3204 - 4-channel analog input terminal RTD, 2-wire connection, 16 bit, Ex i .......