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KA01630O/09/EN/01.22-00
71599728
2022-11-15
Brief Operating Instructions
L20221, L20222
Temperature transmitter
L20221 with 4-20 mA analog output
L20222 with HART® communication
These Brief Operating Instructions are not a substitute for the
Operating Instructions pertaining to the device.
Detailed information can be found in the Operating
Instructions and the additional documentation.
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Summary of Contents for Endress+Hauser L20221
- Page 1 2022-11-15 Brief Operating Instructions L20221, L20222 Temperature transmitter L20221 with 4-20 mA analog output L20222 with HART® communication These Brief Operating Instructions are not a substitute for the Operating Instructions pertaining to the device. Detailed information can be found in the Operating...
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Page 2: Table Of Contents
Table of contents L20221, L20222 Table of contents About this document ............. . 2 Document function . -
Page 3: Safety Instructions
L20221, L20222 About this document Safety instructions When using in hazardous areas, compliance with national regulations is mandatory. Separate Ex-specific documentation is provided for measuring systems that are used in hazardous areas. This documentation is an integral part of these Operating Instructions. The installation... -
Page 4: Tool Symbols
About this document L20221, L20222 1.3.3 Symbols for certain types of information Symbol Meaning Symbol Meaning Permitted Preferred Procedures, processes or actions that Procedures, processes or actions that are permitted. are preferred. Forbidden Procedures, processes or actions that Indicates additional information. -
Page 5: Basic Safety Instructions
L20221, L20222 Basic safety instructions Basic safety instructions Requirements for the personnel The personnel for installation, commissioning, diagnostics and maintenance must fulfill the following requirements: ‣ Trained, qualified specialists: must have a relevant qualification for this specific function and task ‣... -
Page 6: Incoming Acceptance And Product Identification
Ext. ord. cd.: XXXXXXXXXXXXX# xx.yy.zz Universal Temperature Transmitter HART Made in Germany 202x, Endress+Hauser Wetzer D-47484 Nesselwang A0051223 1 Nameplate of the head transmitter (example) Power supply, current consumption, serial number, device revision and hardware version Radio approval (Bluetooth) and serial number... -
Page 7: Name And Address Of Manufacturer
L20221, L20222 Incoming acceptance and product identification Universal Temperature Transmitter HART Made in Germany 202x, Endress+Hauser Wetzer D-47484 Nesselwang A0051224 2 Nameplate of DIN rail transmitter (example) Device name Characters for tag name (TAG) Approval data Power supply and current consumption, output... -
Page 8: Storage And Transport
Incoming acceptance and product identification L20221, L20222 Measurement, Control, and Laboratory Use" and with the EMC requirements as per the IEC/EN 61326 series. 3.5.1 CE/EAC mark, Declaration of Conformity The device meets the legal requirements of the EU/EEU guidelines. The manufacturer confirms that the device is compliant with the relevant guidelines by applying the CE/EAC mark. -
Page 9: Mounting
L20221, L20222 Mounting Mounting Mounting requirements 4.1.1 Dimensions 5 (0.2) A0036303 3 Head transmitter version with screw terminals. Dimensions in mm (in) Spring travel L ≥ 5 mm (not for US - M4 securing screws) Mounting elements for attachable measured value display Interface for contacting measured value display The same dimensions apply to the version with push-in terminals. - Page 10 Mounting L20221, L20222 12.5 (0.49) 116 (4.57) A0039296 The height of housing H varies depending on the terminal version: screw terminals = 114 mm (4.49 in), push-in terminals = 111.5 mm (4.39 in) 4.1.2 Mounting location • Head transmitter: • In the terminal head, flat face, as per DIN EN 50446, direct mounting on insert with cable entry (middle hole 7 mm) •...
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Page 11: Mounting The Device
L20221, L20222 Mounting 4.1.3 Important ambient conditions • Ambient temperature: –40 to +85 °C (–40 to 185 °F). • Head transmitter in accordance with climate class C1, DIN rail transmitter in accordance with B2 as per EN 60654-1 • Condensation as per IEC 60068-2-33 permitted for head transmitter, not permitted for DIN rail transmitter •... - Page 12 Mounting L20221, L20222 4.2.1 Mounting the head transmitter Item A Item B . 7 2 i n ) Item C . 7 2 i n ) A0039675-EN 4 Head transmitter mounting (three versions) Procedure for mounting in a terminal head, Fig. A: Open the terminal head cover (8) on the terminal head.
- Page 13 L20221, L20222 Mounting 21 mm (0.83 in) . 7 2 i n ) 6.5 mm (0.25 in) . 5 1 i n ) A0024604 5 Dimensions of angle bracket for wall mount (complete wall mounting set available as accessory) Procedure for mounting in a field housing, Fig.
- Page 14 Mounting L20221, L20222 Mounting typical of North America A0008520 6 Head transmitter mounting Thermometer design with thermocouples or RTD sensors and head transmitter: Fit the thermowell (1) on the process pipe or the container wall. Secure the thermowell according to the instructions before the process pressure is applied.
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Page 15: Post-Installation Check
L20221, L20222 Electrical connection A0039678 7 Mounting the DIN rail transmitter Position the top DIN rail groove at the top end of the DIN rail. Slide the bottom of the device over the bottom end of the DIN rail until you can hear the lower DIN rail clip click into place on the DIN rail. -
Page 16: Connecting Requirements
Electrical connection L20221, L20222 Connecting requirements A Phillips head screwdriver is required to wire the head transmitter with screw terminals. Use a flat blade screwdriver for the DIN rail housing version with screw terminals. The push-in terminal version can be wired without any tools. -
Page 17: Quick Wiring Guide
L20221, L20222 Electrical connection Quick wiring guide A0047635 8 Assignment of terminal connections for head transmitter Sensor input, RTD and Ω, 4-, 3- and 2-wire Sensor input, TC and mV Bus terminator and power supply Display connection and CDI interface A0047638 ... -
Page 18: Connecting The Sensor Cables
Electrical connection L20221, L20222 A minimum load of 250 Ω is required in the signal circuit in order to operate the HART ® transmitter via the HART ® protocol (terminals 1 and 2). In the case of a thermocouple (TC) measurement, a 2-wire RTD can be connected to measure the reference junction temperature. -
Page 19: Connecting The Transmitter
L20221, L20222 Electrical connection Insert the wire end into the terminal. Release lever opener. Pull the wire gently to ensure it is connected correctly. Repeat starting from step 1 if necessary. Fig. C, releasing the connection: Press down on the lever opener. - Page 20 Electrical connection L20221, L20222 2- 1+ 2- 1+ A0039698 11 Connecting the signal cables and power supply Head transmitter installed in field housing Head transmitter installed in terminal head DIN rail transmitter mounted on DIN rail Terminals for power supply...
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Page 21: Special Connection Instructions
L20221, L20222 Electrical connection A0037914 12 Fitting the CDI connector of the configuration kit for configuration, visualization and maintenance of the head transmitter via PC and configuration software Configuration kit with USB port CDI connector Installed head transmitter with CDI interface... -
Page 22: Post-Connection Check
Electrical connection L20221, L20222 A0014463 13 Shielding and grounding the signal cable at one end with HART ® communication Optional grounding of the field device, isolated from cable shielding Grounding of the cable shield at one end Supply unit ®... -
Page 23: Operation Options
L20221, L20222 Operation options Operation options Overview of operation options HART® Modem A0051229 14 Operation options for the transmitter via HART® communication Transmitter Operation via Bluetooth® Active barrier Configuration software... - Page 24 Operation options L20221, L20222 A0051230 15 Operation options for the transmitter via the CDI interface Operation via Bluetooth® Transmitter Configuration kit Active barrier Configuration software The transmitter' s optional Bluetooth interface is only active if a display unit is not attached or the CDI interface is not used for device configuration.
- Page 25 L20221, L20222 Operation options Display elements Head transmitter A0008549 17 Optional LC display for head transmitter Item no. Function Description Displays the TAG TAG, 32 characters long. ' C ommunication' symbol The communication symbol appears when read and write-accessing via the fieldbus protocol.
- Page 26 Operation options L20221, L20222 DIN rail transmitter Two LEDs on the front indicate the device status. Type Function and characteristic Status LED (red) When the device is operating without errors, the device status is displayed. This function can no longer be guaranteed in the event of an error.
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Page 27: Transmitter Configuration
L20221, L20222 Operation options Switching write protection on/off Write protection is switched on and off via a DIP switch on the rear of the optional attachable display. When write protection is active, parameters cannot be modified. A lock symbol on the display indicates that write protection is on. -
Page 28: Commissioning
Commissioning L20221, L20222 A0051703 Download the FDC app: Install and start the FDC app. A Live List shows all the devices available. Select the device from the Live List. The Login dialog box opens. Logging in: Enter the user name: admin Enter the initial password: serial number of the device. - Page 29 L20221, L20222 Commissioning The device works after approx. 7 seconds, including the attached display. Normal measuring mode commences as soon as the switch-on procedure is completed. Measured values and status values appear on the display. If the display is attached when the Bluetooth interface is activated, display initialization...
- Page 32 *71599728* 71599728...
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