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Operating Instructions
RN42
1-channel active barrier with wide range power supply
for the safe separation of 0/4 to 20 mA standard signal
circuits, HART-transparent
BA02090K/09/EN/01.21
71545792
2021-06-02
Page 1: ...ns Services Operating Instructions RN42 1 channel active barrier with wide range power supply for the safe separation of 0 4 to 20 mA standard signal circuits HART transparent BA02090K 09 EN 01 21 715...
Page 2: ...6 2 Special connection instructions 11 6 3 Quick wiring guide 12 6 4 Connecting the supply voltage 12 6 5 Post connection check 12 7 Operation options 13 7 1 Display and operating elements RN42 13 8 C...
Page 3: ...on Failure to avoid this situation can result in serious or fatal injury CAUTION This symbol alerts you to a dangerous situation Failure to avoid this situation can result in minor or medium injury NO...
Page 4: ...perator is concerned is grounded via a grounding system 1 2 4 Symbols in graphics 1 2 3 Item numbers A B C Views 1 2 5 Symbols at the device Warning Observe the safety instructions contained in the as...
Page 5: ...0 mA standard signal circuits An intrinsically safe version is optionally available for operation in Zone 2 The device is designed for installation on DIN rails in accordance with IEC 60715 A use in a...
Page 6: ...fety This device is designed in accordance with good engineering practice to meet state of the art safety requirements has been tested and left the factory in a condition in which it is safe to operat...
Page 7: ...Compliance with the installation instructions and connection data in this documentation is mandatory 4 Incoming acceptance and product identification 4 1 Incoming acceptance Check the following durin...
Page 8: ...or the TAG name 4 2 2 Name and address of manufacturer Name of manufacturer Endress Hauser Wetzer GmbH Co KG Address of manufacturer Obere Wank 1 D 87484 Nesselwang Model type reference RN42 4 3 Scope...
Page 9: ...must be observed For information on ambient conditions see the Technical data section 5 2 Installing a DIN rail device The device can be installed in any position horizontal or vertical on the DIN ra...
Page 10: ...3 Pull gently on the device to check if it is correctly mounted on the DIN rail 5 3 Disassembling the DIN rail device 1 2 3 A0039696 3 Disassembling the DIN rail device 1 Insert a screwdriver into the...
Page 11: ...Electrostatic discharge Protect the terminals and HART sockets on the front from electrostatic discharge A shielded cable is recommended for HART communication Observe grounding concept of the plant...
Page 12: ...ion resistor can be added to the measuring loop via the alternative terminal assignment terminal 3 3 6 4 Connecting the supply voltage The power is supplied via terminals 1 1 and 1 2 6 5 Post connecti...
Page 13: ...ire transmitters At the output side the connected system is detected and automatic switching takes place between the active and passive mode 8 Commissioning 8 1 Post installation check Before commissi...
Page 14: ...e and the terminal Electronics module is defective Replace the device HART communication is not working Missing or incorrectly installed communication resistor Install the communication resistor 230 c...
Page 15: ...for safe device return can vary depending on the device type and national legislation 1 Refer to the website for more information http www endress com support return material 2 Return the device if re...
Page 16: ...o 20 mA HART measured values from the hazardous area to the non hazardous area These devices are accompanied by separate Ex documentation which is an integral part of this manual Compliance with the i...
Page 17: ...er supply top right power supply bottom option HART communicators can be connected to the HART connection sockets Ensure an adequate external resistance 230 in the output circuit To use the HART termi...
Page 18: ...24 14 0 2 5 mm 5 2 10 0 39 mm 1 2 1 1 2 3 A0040201 8 Electrical connection using screw terminals left and push in terminals right Terminal design Cable design Cable cross section Screw terminals Tight...
Page 19: ...the DIN rail without lateral clearance from neighboring devices No tools are required for installation The use of end brackets type WEW 35 1 or equivalent on the DIN rail is recommended to fix the de...
Page 20: ...e with IEC 60068 2 6 5 to 13 2 Hz 1 mm peak 13 2 to 100 Hz 0 7g peak Electromagnetic compatibility EMC CE compliance Electromagnetic compatibility in accordance with all the relevant requirements of t...
Page 21: ...n DIN rail 100 3 94 B H L A0044417 Width B x length L x height H with terminals 17 5 mm 0 69 in x 116 mm 4 57 in x 107 5 mm 4 23 in Weight Device with terminals values rounded up Approx 135 g 4 76 oz...
Page 22: ...nearest sales organization www addresses endress com or in the Product Configurator under www endress com 1 Select the product using the filters and search field 2 Open the product page The Configurat...
Page 23: ...evice Endress Hauser also takes care of maintaining and updating the data records W M is available Via the Internet www endress com lifecyclemanagement 12 12 Certificates and approvals For certificate...
Page 24: ...pplied with the device They are an integral part of the Operating Instructions The nameplate indicates the Safety Instructions XA that are relevant to the device Supplementary device dependent documen...
Page 25: ...s for these tasks are collectively known as isolating amplifiers or signal isolators and are available with different functions in the Endress Hauser RN Series Different types of signals are condition...
Page 26: ...ss value A B 4 20 I mA A0045578 11 Modulated HART signal A Analog signal B Digital signal NAMUR sensors are operated with a transmitted current and have four states so that sensor errors can also be d...
Page 27: ...2 PLC EX EX A0045917 12 Pressure measurement in a hazardous area with an RN42 active barrier Please note the devices have an active and passive current input to which a 2 wire or 4 wire transmitter ca...
Page 28: ...Series RN42 28 Endress Hauser Power supply 24 230 V AC DC 0 4 20 mA 0 4 20 mA Input passive Output active Commubox FXA195 RN42 PLC EX EX P300 24 V DC A0045918 13 Flow measurement in the hazardous are...
Page 29: ...splay and operating elements Overview 13 22 Document Function 3 Document function 3 N Nameplate 7 O Operation options Local operation 13 22 Operational safety 5 P Product safety 6 R Requirements for p...
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