Related Manuals for dehn DEHNrecord SD
Summary of Contents for dehn DEHNrecord SD
- Page 1 DEHNrecord SD Multifunctional measurement and analysis device for monitoring power quality Manual Publication No. 2086 / Update 01.00 Mat-No. 3015953 © Copyright 2021 DEHN SE + Co KG...
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Page 2: Imprint
Imprint Page 2 from 69 Manufacturer DEHN SE + Co KG Hans-Dehn-Str. 1 92306 Neumarkt Germany Tel. +49 9181 906-0 www.dehn.de Service Hotline – Technical Support Tel. +49 9181 906-1750 technik.support@dehn.de... -
Page 3: Table Of Contents
Table of contents Page 3 from 69 Imprint Manufacturer Service Hotline – Technical Support 1. Terms and abbreviations 2. Safety Intended use 3. Scope of delivery Accessories (optional) 4. Service description Measuring the power quality according to EN 61000-4-30, class A Additional measurement capabilities Device variants Measurement locations, measurement tasks... - Page 4 Table of contents Page 4 from 69 7. Connection Connection DRC SD 1 1 – Part No. 910 920 Connection DRC SD 2 1 – Part No. 910 921 Impulse current sensor DRC SD ICS (Part No. 910 935) * Current sensors 8.
- Page 5 Table of contents Page 5 from 69 11. PQ Configuration 11.1 General 11.2 Voltage magnitude 11.3 Frequency 11.4 Flicker 11.5 Voltage dip, voltage swell, voltage interruption 11.6 Voltage dip 11.7 Voltage swell 11.8 Voltage interruption 11.9 Unbalance 11.10 Total harmonic distortion THD, harmonics, interharmonics 11.11 Mains signalling voltages 11.12 Rapid voltage changes 11.13 Values for PQ characteristics...
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Page 6: Terms And Abbreviations
Terms and abbreviations Page 6 from 69 Power Quality DRC SD DEHNrecord SD Surge Protective Device Power frequency overvoltage protective device Coordinated Universal Time MSRL Equipment for measurement, control, and laboratory use according to EN 61010-1 Programmable logic controller... -
Page 7: Safety
WARNING Risk of electric shock Installation and connection of a DEHNrecord SD may only be carried out by a qualified electrician in accordance with the installation standards of the country. Before mounting, check the DEHNrecord SD (DRC SD) and the accessories for external damage. -
Page 8: Scope Of Delivery
Configuration respective SPD must be observed. The DEHNrecord SD can be suitably configured via the Web server. Access to Example wiring of an SPD with remote signalling Example wiring of an SPD with remote Installation instructions the cloud server is preconfigured (MQTT, port 8883). -
Page 9: Service Description
Service description Page 9 from 69 Schematic overview of functions DEHN server front end Cloud DEHNrecord SD MQTT Ethernet Voltage Web server Modus TCP Current Measured value acquisition Impulse current (ICS) Input Output Control center, PLC, PC, ... Measured value evaluation... -
Page 10: Measuring The Power Quality According To En 61000-4-30, Class A
Service description Page 10 from 69 Measuring the power quality according to EN 61000-4-30, class A Monitored are: Voltage magnitude, frequency, flicker, voltage dips, voltage swells, interruption, unbalance, harmonics, interharmonics, mains signalling voltages, rapid voltage changes. Measurement/recording Analysis and evaluation According to standard EN 50160 and Power quality according to EN 61000-4-30:2015, class A at the same time according to individual specifications... -
Page 11: Device Variants
Service description Page 11 from 69 Device variants DRC SD 1 1, Part No. 910 920: Power supply 230 volts via L1 of the measuring voltage. The device can bridge supply interruptions for up to 5 seconds. DRC SD 2 1, Part No. 910 921: Power supply 24 volts DC external. -
Page 12: Measured Values - Recording
Service description Page 12 from 69 Measured values – recording Cyclic measurement Event-based User-controlled (SoL – sign-of-life-data) An event is generated when a parameteri- The user can start a fast data transfer by zed limit value is violated. The device trans- pressing a button on the device or via the Measured values are transmitted cyclically fers the determined characteristic values... -
Page 13: Measured Values - Evaluation Of Power Quality (Pq)
PQ overview defined (immediately or by date). This allows a parameter set to be If the device is registered in DEHNmonitor PQ (cloud of DEHN), the set specifically for an observation period. results of the standard analysis are visible for all users in the cloud. -
Page 14: Measurement Site Concept
DEHNmonitor PQ via its serial number from DRC SD. the time of manufacture. The DEHNrecord SD is configured via the Example: The measurement site type “IT customer” evaluates spe- measurement site and returns data to the measurement site. - Page 15 Principle of the measurement site concept Measurement sites of the same measure- ment site type behave in the same way and DEHN server can be parameterized easily and with little effort via the cloud. This is a key benefit for front end managing many devices.
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Page 16: Configuration
Service description Page 16 from 69 Configuration Web server Modbus TCP Cloud access The basic settings can be entered via the Device access via Ethernet interface enables The device can be configured via the internal web server: Location, assignment access to parameters, limit values, current, DEHNmonitor PQ. -
Page 17: Events And Output Channels
Service description Page 17 from 69 Events and output channels Events Events are generated by: Example: voltage measurement, exceeding a limit value • Evaluation of measured values (every exceeding of a limit Example: digital input, SPD monitoring value of all measurement functions generates an event) Example: briefly press button 2 ->... -
Page 18: Device Description
Device description Page 18 from 69 Cross-sectional area: 1.5 - 6 mm² fine-stranded/stranded-wire Description Function 1.5 - 10 mm² solid-wire Measurement input and power supply for model DRC SD 1 ... N/PEN (L1), L2, L3, N Measurement input PZ 2 4 Nm Green (flashing): Start Green (lights up): Cloud connection active... - Page 19 Device description (plug) Page 19 from 69 I/O connection (Input, output, supply, impulse coil) Description Terminal Impulse current sensor Imp2 Imp1 24 Volt version (Model DRC SD 2 ...) Ext. power supply +24 V (+24 V in) 230 Volt version (Model DRC SD 1 ...) Auxiliary voltage, output +12 V CM connection (Current sensors) exclusively for the operation of...
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Page 20: Mounting
Mounting Page 20 from 69 Mounting as a single device The device is mounted on a 35 mm DIN rail according to EN 60715. Use in areas with overvoltage category III. Backup fuse The backup fuse must be selected to match the connection line, e.g. for 1.5 mm ->... -
Page 21: Mounting With Surge Protective Device And Busbar
For more information, see the following chapter “Use with overvoltage category IV“. Installation and connection of a DEHNrecord SD as well as possible further wiring via its connection terminals may only be carried out by a qualified electrician in accordance with the installation standards of the country. -
Page 22: Use With Overvoltage Category
This measurement category includes corresponding test levels (4 kV) for overvoltage category III at 300 V according to EN 60664. If the DEHNrecord SD is located in the protected area of a surge protective device (SPD), it can also be used in overvoltage category IV. - Page 23 Installation of the DEHNrecord SD with an SPD in an environment with overvoltage category IV. In the protection area of the SPD (green area), the measurement category 300 V CAT III required for the DEHNrecord SD is achieved. At the same time, the DEHNrecord SD monitors the functionality of the SPD via its remote signalling contact.
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Page 24: Connection
Connection Page 24 from 69 Connection DRC SD 1 1 – Part No. 910 920 N/PEN Measurement inputs L1, L2, L3 and N are connected with cables or a suitable busbar. Power supply The device is supplied via the measuring input L1 and N and can bridge supply interruptions of up to 5 s. - Page 25 Connection Page 25 from 69 Connection DRC SD 2 1 – Part No. 910 921 N/PEN Measurement inputs L1, L2, L3 and N are connected with cables or a suitable busbar. Power supply 24 V extern The DRC is supplied via an uninterruptible, external voltage source. This means that voltage interruptions and dips >...
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Page 26: Impulse Current Sensor Drc Sd Ics (Part No. 910 935)
Mounting may only be carried out on insulated, non-hazardously active conductors. Connection on the device The sensor is connected to the DEHNrecord SD, Connection I/O: brown wire > terminal 1 = Imp1 white wire > terminal 2 = Imp2... -
Page 27: Current Sensors
Connection Page 27 from 69 Current sensors Flexible Rogowski coils (DRC SD RCS 1000, Part No. 910 937) or split core current sensors (DRC SD SCS 100, Part No. 910 936) are available as accessories. Up to 4 power frequency load currents can be recorded per device. -
Page 28: Commissioning
Step 2 – Connection to the web server Connect DEHNrecord SD directly to computer: 1. Configure computer: IP 169.254.0.1, Sub. 255.255.255.0 2. Connect computer and DEHNrecord SD directly with network cable 3. Activate web server: press push button 2 (Basic) briefly, LED 1 (Device) lights up blue 4. -
Page 29: Step 4 - Configuration
Commissioning Page 29 from 69 Step 4 – Configuration The DEHNrecord SD can be configured appropriately via the web server. Instructions for device settings can be found in chapter 10. Access to the cloud server is preconfigured (MQTT, port 8883). -
Page 30: Functionality
Functionality Page 30 from 69 User interface User interface – LEDs The display on the device is by means of 2 RGB LEDs. These also differ by flashing or lighting up permanently. Simultaneously active operating states are indicated by LED 1 (Device) one after the other. Display with standard configuration LED 1 (Device) blue... - Page 31 Functionality Page 31 from 69 User interface – Push buttons Two keys are available for operation on the device. These have different functions depending on how long they are pressed. Push button Duration function short (<1 sec) Start fast data transfer 1 (Option) long (>5 sec) Device stop/start...
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Page 32: Block Diagram
Functionality Page 32 from 69 Block diagram Digital In Digital Out 1, 2, 3 1, 2 DRC SD 2 2: Power supply extern via connection +U , -U DRC SD 1 2: Power supply via connection L1 Auxiliary voltage Out via connection +U , -U Ethernet LAN... -
Page 33: Measured Values
Page 33 from 69 Measured values The DEHNrecord SD records power quality data for both continuous measured variables and event-related measured variables. It also provides energy and performance data as well as the current status of the digital inputs and outputs. -
Page 34: Modbus
Page 34 from 69 Modbus Detailed instructions for communication with the DEHNrecord SD via Modbus TCP can be found in the separate Modbus instructions. It contains a list and description of all Modbus registers and measured variables. The file is available on the internet page https://www.dehn-international.com/en/dehnrecord-smart-device-power-quality... -
Page 35: Communication Via The Network
Functionality – Measured values Page 35 from 69 Communication via the network Ports and protocols used by the DEHNrecord SD for communication via the network Internal Communication Port Protocol Description/Example Resolve network name “DRC-SD serial number“ HTTP Communication to the web server... -
Page 36: Device Settings
10.1 Device settings expert mode Device settings can be made on the web server of the DEHNrecord SD itself, via Modbus or via the cloud. For easy operation, some more complex setting options are hidden by default. If the expert mode is activated, all setting options can be displayed. -
Page 37: Digital Inputs, Digital Outputs And Logic
Device settings Page 37 from 69 10.4 Digital inputs, digital outputs and logic Digital Inputs For the three digital inputs (input 1, 2 and 3), both an event type and an event trigger can be defined. The event type describes in which form and when events are transmitted to a cloud per 10-minute interval: Event type Transmission No event is transmitted... - Page 38 Device settings Page 38 from 69 Digital Outputs For the two digital outputs, a source and an active time can be defined in addition to the function. Parameter The function describes the behavior of the respective digital output. Parameter Setting options Default value Function Contact normally open...
- Page 39 Energy/current Events caused by the current and energy measurement (see chapter 10.6 current measurement) Events generated by the DEHNrecord SD itself, such as cloud connection established or action by pressing a button Device on the device (Action 1, Action 2), firmware update successfully performed, ...
- Page 40 The internal logic module has four inputs and one output. These can be configured individually and the function of the logic module can also be set. Input 1, 2 and 3 designate the digital inputs of the DEHNrecord SD. Input 4 represents an internal event source.
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Page 41: Network
10.5 Network Network settings can only be made in the web server of the DEHNrecord SD. Saved changes are applied after a restart of the device. A connection to a time server (SNTP) is required for the intended use of DEHNrecord SD. - Page 42 Device settings Page 42 from 69 Cloud settings (only accessible in web server, expert mode) MQTT server Adress: dkg-sdc-prod-iothub-devices-01.azure-devices.net MQTT username: dkg-sdc-prod-iothub-devices-01.azure-devices.net/FHAxxxxxxxx/?api-version=2019-10-01 FHAxxxxxxxx = serial number of the device...
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Page 43: Power Frequency Overvoltages According To En 50550 - Pop
10.6 Power frequency overvoltages according to EN 50550 - POP Function in V The DEHNrecord SD detects power frequency overvoltages as defined in the EN 50550 standard. In addition to the four voltage time windows specified by the standard, a fifth detection criterion can be configured. - Page 44 Device settings Page 44 from 69 Parameters for individual recording criteria Individual recording criterion active Herewith the additional criterion for a power frequency overvoltage or undervoltage can be activated. The selectivity factor and the switch-off time reserve do not apply to this criterion. Voltage Individual voltage threshold (2...440V).
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Page 45: Current Measurement
Device settings Page 45 from 69 10.7 Current measurement Measured variables The following measured variables are recorded via the respective measuring circuits: voltage U, current I, active power P, apparent power Q, reactive power S, active power E, frequency f. Base values are the effective values over 200 ms or 10 s for the frequency. - Page 46 Device settings Page 46 from 69 Events An event type with an associated limit can be configured for each phase individually and independently of one another. The following event types fall under the event category En. Event types configurable for current measurement input configurable limit value range Current 0.05 I...
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Page 47: Mains Signalling Voltages
To reset the device to the factory settings, press button 1 (Option) for at least 10 seconds. As soon as both LEDs go out, DEHNrecord SD restarts and is reset to the default values. Warning: this will also reset the network settings. -
Page 48: Pq Configuration
PQ Configuration Page 48 from 69 Limits and parameters for the evaluation of the power quality (PQ) are configured here according to individual criteria. The PQ configuration is done either via Modbus or via the cloud (= default setting). The path can be changed in the device settings under general at “Path for PQ configuration“. 11.1 General Observation period The status of the power quality is evaluated over this period. -
Page 49: Frequency
PQ Configuration Page 49 from 69 11.3 Frequency The frequency of the mains voltage is determined over a time window of 10 seconds in each case. Limits Two sets of limits are available. For each, in addition to a minimum and maximum, there is also a period of time during which the limits must be observed before violations occur. -
Page 50: Voltage Dip, Voltage Swell, Voltage Interruption
PQ Configuration Page 50 from 69 11.5 Voltage dip, voltage swell, voltage interruption Half-period rms values are measured to record these characteristics. The rms value of the voltage is calculated over an entire period and updated after every half period. This method combines the accuracy of a full-cycle measurement and the speed of a half-cycle measurement. -
Page 51: Voltage Interruption
PQ Configuration Page 51 from 69 11.8 Voltage interruption An interruption of the voltage is detected as soon as it falls below a certain threshold on all phases. Limits In addition to the threshold, a hysteresis can also be configured individually. Additionally, a time duration can be defined, where an interruption is categorized as either short or long interruption. -
Page 52: Total Harmonic Distortion Thd, Harmonics, Interharmonics
PQ Configuration Page 52 from 69 11.10 Total harmonic distortion THD, harmonics, interharmonics The distortion of the mains voltage is described with the help of harmonics and interharmonics. Harmonics are integer multiples of the fundamental and are characterized by an order h --> e.g. U for the third order harmonic (in the 50 Hz network this would be 150 Hz). -
Page 53: Rapid Voltage Changes
PQ Configuration Page 53 from 69 Limits For the evaluation, both a limit value and a time period can be defined in which the limit value must be adhered to before a violation occurs. The maximum level of a mains signalling voltage depends on the selected frequency of the mains signalling voltage. The max. -
Page 54: Values For Pq Characteristics
PQ Configuration Page 54 from 69 11.13 Values for PQ characteristics PQ feature Parameter Setting range Devault value (EN 50160) Period 1 0 ... 100 % 95 % Max. 1 +0.1 ... +25 % +10 % Min. 1 -25 ... -0.1 % - 10 % Voltage magnitude Period 2... - Page 55 PQ Configuration Page 55 from 69 PQ feature Parameter Setting range Devault value (EN 50160) Number 0 ... 1000 Voltage dip Threshold -50 ... -1 % -10 % Hysteresis 0 ... 10 % Number 0 ... 1000 Voltage swell Threshold 50 ...
- Page 56 PQ Configuration Page 56 from 69 PQ feature Parameter Setting range Devault value (EN 50160) Period (valid for all orders) 0 ... 100 % 95 % Harmonics see table H max. 0 ... 20 % Period (valid for all orders) 0 ...
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Page 57: Technical Data
Technical data Page 57 from 69 Power supply DRC SD 1 1 (Part No. 910 920) DRC SD 2 1 (Part No. 910 921) Power supply 230 V (via L1 and N) 24 V SELV III Input voltage range 185 - 265 V , 47 - 53 Hz 18 - 30 V Current consumption... - Page 58 Technical data Page 58 from 69 Measurement inputs L1/L2/L3/N Nominal input voltage 230/400 V Isolation: connections to digital inputs/outputs and to DC in/out galvanically isolated Connection cable 1.5 mm² - 6 mm² (fine-stranded/stranded wire), 10 mm² (solid wire) Backup fuse Suitable for the connecting cable, e.g.
- Page 59 Technical data Page 59 from 69 Interfaces Query and configuration by ext. controllers (Modbus TCP, Slave), Ethernet (1x RJ45) cloud connection, communication with internal web server Recording digital signals Digital Inputs (3 x) Nominal voltage 24 V , max. 30 V ;...
- Page 60 Technical data Page 60 from 69 Device general DRC SD 1 1 (Part No. 910 920) DRC SD 2 1 (Part No. 910 921) Dimension B x H x T 90 (5 DIN modules) x 90 x 65 mm Weight 400 g (500 g incl.
- Page 61 Technical data Page 61 from 69 Ambient conditions (defined for device class PQI-A-FI1 according to DIN EN 62586-1) Ambient temperature: storage and transport -40 °C to +70 °C Ambient temperature: nominal operating range -10 °C to +45 °C Ambient temperature: operating limit range -25 °C to +55 °C storage and transport: from 5 % to 95 % Relative humidity: 24-h average...
- Page 62 Technical data Page 62 from 69 Voltage measurement inputs Connection to TT and TN-S system L1, L2, L3, N Connection to TN-C system L1, L2, L3, PEN Connection to IT system No use possible 1.5 - 6 mm² fine-stranded/stranded wire Cross-sectional area 1.5 - 10 mm²...
- Page 63 Technical data Page 63 from 69 Current measurement inputs for designated, external split core current transformers or Rogowski coils Number 0.08 - 2.5 mm² solid wire Connection cross-section 0.25 - 1.5 mm² with ferrule Parameterization via web server, cloud or Modbus Isolation current measurement input no galvanic isolation...
- Page 64 Technical data Page 64 from 69 Split core current sensors, DRC SD SCS 100 (Part No. 910 936) Measuring range 0 - 100 A (120 A max.), 50 Hz Bandwidth 1.5 kHz Accuracy class classe 1 according to IEC 61869-2 Ring diameter inside 16 mm Dimension (W x D x H)
- Page 65 Technical data Page 65 from 69 Impulse current measurement input for designated, external impulse current sensors* Number 0.08 - 2.5 mm² solid-wire Cross-sectional area 0.25 -1.5 mm² with ferrule Connection type push-in Measuring range 0 … 100 kA Voltage magnitude resolution 100 A Sampling rate 1 µs...
- Page 66 Technical data Page 66 from 69 Impulse current sensor – DRC SD ICS 100 (Part No. 910 935)* Recording range I 50 kA, waveform 8/20 - 10/350 µs peak Bandwidth 50 kHz Attachment to the conductor to be measured with 2 cable ties (included) Dimensions (W x D x H) 23 x 30 x 75 mm Connecting cable length...
- Page 67 Technical data Page 67 from 69 Digital outputs (2 x) Type PhotoMOS relay, bidirectional Voltage max. 30 V Current max. 500 mA Power max. 500 mW Switch-on resistance max. 150 mΩ Polarity arbitrary Isolation: connections to voltage measurement inputs 300 V CAT III Isolation: connections to other digital outputs galvanically isolated Isolation: connections to external DC supply...
- Page 68 Technical data Page 68 from 69 Measurement power quality Measurement method EN 61000-4-30:2015, class A Evaluation EN 50160:2010 + Cor. 2010 + A1:2015 or individually parameterizable Measurement 3-phase (L1, L2, L3, N/PEN) Nominal value voltage/frequency 230 V / 50 Hz Measurement power quality Measuring range Measurement accuracy/method...
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Page 69: Maintenance
Maintenance Page 69 from 69 The maintenance of the device is recommended no later than 5 years from handover and thereafter regularly at least every 5 years after the last maintenance. Should the measurement results deteriorate persistently before reaching a maintenance date, early maintenance of the device is recommended. -
Page 70: Cleaning
No liquids may penetrate the device. 13.3 Dismantling ATTENTION Risk of electric shock A DEHNrecord SmartDevice may only be dismantled by a qualified electrician! 13.4 Disposal The device must not be disposed of with household waste! Further information can be found on our homepage: www.dehn.de...