Endress+Hauser RN22 Operating Instructions Manual Download Page 38 | Manualshive

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Endress+Hauser RN22 Operating Instructions Manual Download Page 38

Appendix: system overview of RN Series

RN22

38

Hauser

0/4…20 mA

0/4…20 mA

Input

(passive)

Output

(active)

Control valve

Power supply

24 V DC

RNO22

PLC

EX

EX

A0045585

 23

Control valve activation in the hazardous area with an RNO22 output isolating amplifier

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Summary of Contents for RN22

Page 1: ...rvices Operating Instructions RN22 1 or 2 channel active barrier for safe separation of 4 to 20 mA standard signal circuits optionally available as a signal doubler HART transparent BA02004K 09 EN 01 20 71528972 2020 12 14 ...

Page 2: ... connection 11 6 1 Connection conditions 11 6 2 Quick wiring guide 12 6 3 Connecting the supply voltage 12 6 4 Post connection check 13 7 Operation options 14 7 1 Display and operating elements 14 8 Commissioning 14 8 1 Post installation check 14 8 2 Switching on the device 14 9 Diagnostics and troubleshooting 15 9 1 General troubleshooting 15 10 Maintenance 15 11 Repair 15 11 1 General informatio...

Page 3: ...ion 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 NOTICE This symbol contains information on procedures and other facts which do not result in personal injury 1 2 2 Symbols for certain types of information Symbol Meaning Permitted Procedures processes...

Page 4: ...grounded terminal which as far as the operator 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 associated Operating Instructions 1 3 Registered trademarks HART Registered trademark of the FieldComm Group Austin Texas USA ...

Page 5: ... 20 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 manner not specified by the manufacturer s manual may impair the safety 2 2 2 Product liability The manufacturer does not accept any responsibility for damage that results from non designated use a...

Page 6: ...afe to operate 2 6 Installation instructions The device s IP20 degree of protection is intended for a clean and dry environment Do not expose the device to mechanical and or thermal stress that exceeds the specified limits The device is intended for installation in a cabinet or similar housing The device may only be operated as an installed device To protect against mechanical or electrical damage...

Page 7: ...evices are accompanied by separate Ex documentation which is an integral part of this manual Compliance with the installation instructions and connection data in this documentation is mandatory Active barrier 2 channel With the 2 channel option the device has a second channel which is galvanically isolated from channel 1 while maintaining the same width Otherwise the function corresponds to the 1 ...

Page 8: ...d check the data on the nameplate of the device against the requirements of the measuring point 6 0044 iTEMP TMT82 Made in Germany 2012 D 87484 Nesselwang TAGXXXXXXXXXXX TAGXXXXXXXXXXX Order code TMT82 xxx xx Ext ord cd XXXXXXXXXXX Ser no XXXXXXXXX Input 12 42 V Current cunsum 23 0 mA 1 EH 08 001X II3G Ex nA II T6 T5 T4 Ta 40 55 70 85 C II3G Ex nL IIC T6 T5 T4 Ta 40 55 70 85 C Install per XA0xxxxT...

Page 9: ...e It can be used in safety equipment in accordance with IEC 61508 up to SIL 2 SC 3 Please refer to Safety Manual FY01034K for the use of the device in safety instrumented systems according to IEC 61508 4 5 Storage and transport When storing and transporting the device pack it so that it is reliably protected against impact The original packaging provides optimum protection 5 Installation 5 1 Insta...

Page 10: ...ing a DIN rail device The device can be installed in any position horizontal or vertical on 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 similar on the DIN rail is recommended to fix the device If several devices are installed side by side it is important to ensure that the maximum side wall temperat...

Page 11: ... screw or push in terminals 0 5 0 6 Nm 5 7 lb In 7 mm 0 28 AWG 24 14 0 2 2 5 mm 5 AWG 24 14 0 2 5 mm 5 2 10 0 39 mm 1 2 1 1 2 3 A0040201 5 Electrical connection using screw terminals left and push in terminals right LCAUTION Destruction of parts of the electronics Switch off the power supply before installing or connecting the device NOTICE Destruction or malfunction of parts of the electronics ES...

Page 12: ...e with UL EN IEC 61010 1 Section 9 4 and the requirements of Table 18 6 3 1 Using the power and error message module to supply power It is recommended to use the RNF22 power and error message module to provide the supply voltage to the DIN rail bus connector An overall current of 3 75 A is possible with this option 6 3 2 Supply to the DIN rail bus connector via terminals Devices installed side by ...

Page 13: ...ambient temperature measuring range etc See Technical data Electrical connection Notes Does the supply voltage match the specifications on the nameplate Active barrier U e g 19 2 to 30 VDC The device may only be powered by a power unit with an energy limited circuit Are the power supply and signal cables connected correctly Are all the screw terminals well tightened and have the connections of the...

Page 14: ...t be paid to the different terminal assignment when connecting 2 4 wire 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 commissioning the device ensure that all installation and post connection checks have been carried out NOTICE Before commissioning the devic...

Page 15: ...ge directly using a voltmeter and correct Connecting cables are not in contact with the terminals Ensure electrical contact between the cable and the terminal Electronics unit is defective Replace the device HART communication is not working Communication resistor missing or incorrectly installed Install the communication resistor 230 Ω correctly HART modem is not properly connected Connect HART m...

Page 16: ... Instead return them to the manufacturer for disposal under the applicable conditions 12 Technical data 12 1 Function and system design Product description RN22 Product design Active barrier 1 channel The active barrier is used for the transmission and galvanic isolation of 0 4 to 20 mA signals The device has an active passive current input to which a 2 or 4 wire transmitter can be directly connec...

Page 17: ...Instructions 12 2 Input Version The following versions are available 1 channel 2 channel Signal doubler Input data measuring range Input signal range underrange overrange 0 to 22 mA Function range input signal 0 4 to 20 mA Input voltage drop signal for 4 wire connection 7 V at 20 mA Transmitter supply voltage 17 5 V 1 V at 20 mA Open circuit voltage 24 5 V 5 12 3 Output Output data Output signal r...

Page 18: ...nd 1 2 or via the DIN rail bus connector The device may only be powered by a power unit with an energy limited circuit in accordance with UL EN IEC 61010 1 Section 9 4 and the requirements of Table 18 Using the power and error message module to supply power It is recommended to use the RNF22 power and error message module to provide the supply voltage to the DIN rail bus connector An overall curre...

Page 19: ...ut load Power supply failure To meet SIL and NE21 requirements voltage interruptions of up to 20 ms must be bridged with a suitable power supply Terminals A flat blade screwdriver is required to establish an electrical connection to screw or push in terminals 0 5 0 6 Nm 5 7 lb In 7 mm 0 28 AWG 24 14 0 2 2 5 mm 5 AWG 24 14 0 2 5 mm 5 2 10 0 39 mm 1 2 1 1 2 3 A0040201 9 Electrical connection using s...

Page 20: ...allation on 35 mm 1 38 in DIN rails in accordance with IEC 60715 TH35 NOTICE When using in hazardous areas the limit values of the certificates and approvals must be observed For information on ambient conditions see the Technical data section Installing a DIN rail device The device can be installed in any position horizontal or vertical on the DIN rail without lateral clearance from neighboring d...

Page 21: ...ture change rate 0 5 C min no condensation permitted Shock and vibration resistance Sinusoidal vibrations in accordance 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 the IEC EN 61326 series and NAMUR Recommendation EMC NE21 For details refer to the ...

Page 22: ...idth B x length L x height H with terminals 12 5 mm 0 49 in x 116 mm 4 57 in x 107 5 mm 4 23 in Weight Device with terminals values rounded up 1 channel approx 105 g 3 7 oz 2 channel approx 125 g 4 4 oz signal doubler approx 120 g 4 23 oz Color Light gray Materials All the materials used are RoHS compliant Housing polycarbonate PC flammability rating according to UL94 V 0 ...

Page 23: ...kes place between the active and passive mode 12 10 Ordering information Detailed ordering information is available for your nearest sales organization www addresses endress com or in the Product Configurator under www endress com 1 Click Corporate 2 Select the country 3 Click Products 4 Select the product using the filters and search field 5 Open the product page The Configuration button to the r...

Page 24: ...country Click Products Select the product using the filters and search field Open product page The Configure button to the right of the product image opens the Product Configurator Accessories Description W M Life cycle management for your plant W M offers assistance with a wide range of software applications over the entire process from planning and procurement to the installation commissioning a...

Page 25: ...o initial commissioning Operating Instructions BA Your reference guide These Operating Instructions contain all the information that is required in various phases of the life cycle of the device from product identification incoming acceptance and storage to mounting connection operation and commissioning through to troubleshooting maintenance and disposal Safety Instructions XA Depending on the ap...

Page 26: ...rail bus connector can be implemented as follows Direct DC power feed in at any single device in the group DC power feed in via the RNF22 feed in power and error message module Power supply via the RNB22 system power supply with wide range input 100 to 240 VAC 100 to 250 VDC 13 1 2 Power supply options RN Series 24 VDC The RN Series devices Rx22 that are compatible with the DIN rail bus connector ...

Page 27: ... or Technical Information TI for information on the current consumption of the individual isolating amplifiers The maximum number of devices is calculated using the following formula nmodules Imax IN 400 mA IN IN n1 Imodule1 n2 Imodule2 A 500 mA fuse must be connected in series upstream Furthermore you must ensure that the 24 VDC power supply used is guaranteed to trip the fuse in the event of an ...

Page 28: ...allations In addition error monitoring can be implemented with this solution 1 1 1 2 2 1 2 2 3 1 3 2 3 3 1 1 1 2 3 1 3 2 4 1 4 2 1 1 1 2 2 1 2 2 3 1 3 2 4 1 4 2 1 1 1 2 2 1 2 2 3 1 3 2 4 1 4 2 1 1 1 2 3 1 3 2 4 1 4 2 5 1 5 2 1 1 1 2 2 1 2 2 3 1 3 2 4 1 4 2 5 1 5 2 1 1 1 2 2 1 2 2 3 1 3 2 4 1 4 2 5 1 5 2 6 1 6 2 1 1 1 2 2 1 2 2 3 1 3 2 4 1 4 2 5 1 5 2 A0045543 13 Power supply via RNF22 power and er...

Page 29: ... power module At a glance Single or redundant power feed in via two RNB22 2 5 A power supplies and one RNF22 power module Redundancy with total load up to 2 5 A at 60 C ambient temperature Maximum load 3 75 A via RNF22 power module Can be used if 24 VDC power supply is not available in cabinet Group error message line or short circuit monitoring of side by side RLN22 NAMUR isolating amplifiers Pow...

Page 30: ... 24 VDC which each provide a short circuit current of 5 6 A Please note in this arrangement the power supply to all the isolating amplifiers is interrupted if the RNF22 power and error message module fails 13 1 6 Example power feed in via two RNF22 power modules redundant If you require a redundant power supply via two RNF22 power modules each device must be powered from a separate voltage supply ...

Page 31: ...the Brief Operating Instructions to determine the current consumption of the devices For the intrinsically safe RN22 active barriers this is 70 mA 1 channel and 130 mA 2 channel per device 100 mA for the RN22 signal doubler 21 mA for the RLN22 NAMUR isolating amplifier 1 channel and 45 mA in the case of the RLN22 2 channel We take the current consumption of each RNO22 output isolating amplifier 1 ...

Page 32: ...riables are typically measured in system and process engineering using Endress Hauser measuring devices Temperature Pressure Level Flow Analysis values e g turbidity conductivity pH etc These analog signals are evaluated in the controller PLC and the signals can be used in a target device e g for Display devices e g level indication via RIA15 Control unit e g level control Actuators e g to fill a ...

Page 33: ... amplifier 13 2 2 RN22 active barrier The active barriers perform several functions In addition to galvanic signal isolation and the proportional transmission of analog 0 4 20 mA signals they also provide power to connected sensors The RN22 devices are HART transparent i e they also transmit the HART information supplied by the PMP71B Via the HART connections on the front HART signals can be measu...

Page 34: ...or passively The current signal is then available to the PLC controller or to other instrumentation Example flow measurement in a hazardous area The active 4 wire Promag P300 sensor supplies a current signal which is proportional to the flow to the passive input of the isolating amplifier The RN22 active barrier supplies a passive current output signal which is proportional to the input signal to ...

Page 35: ...output states The abbreviation NAMUR is based on the former association name Normen Arbeitsgemeinschaft für Mess und Regeltechnik in der chemischen Industrie Standardization Association for Measurement and Control in Chemical Industries While NAMUR s subtitle has since changed the abbreviation has been kept NAMUR sensors are proximity sensors or limit switches that are widely used in process autom...

Page 36: ...fier The RLN22 NAMUR isolating amplifier supplies a binary output signal relay contact which depends on the input signal to a digital input of the controller Line breaks or short circuits of the 2 wire sensor line are indicated by LEDs on the RLN22 and if the DIN rail bus connector is used are reported as a group error message to the RNF22 power and error message module NAMUR FEL 48 DI Liquiphant ...

Page 37: ...Rs 1 kΩ Rp 10 kΩ 13 2 4 RNO22 output isolating amplifier Output isolating amplifiers are used to control I P transducers control valves and indicators The device separates and transmits 0 4 20 mA signals For operating the SMART actuators the analog measuring value can be overlayed with digital HART communication signals and transmitted bidirectionally in an electrically isolated manner The device ...

Page 38: ...N Series RN22 38 Endress Hauser 0 4 20 mA 0 4 20 mA Input passive Output active Control valve Power supply 24 V DC RNO22 PLC EX EX A0045585 23 Control valve activation in the hazardous area with an RNO22 output isolating amplifier ...

Page 39: ...cumentation 25 Display and operating elements Overview 14 23 Document Function 3 Document function 3 N Nameplate 8 O Operation options Local operation 14 23 Operational safety 5 P Product safety 6 R Requirements for personnel 5 Return 16 S Safety Instructions XA 25 T Terminal assignment 12 18 Troubleshooting General errors 15 W Workplace safety 5 ...

Page 40: ...www addresses endress com 71528972 71528972 ...

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