Datakom DKM-407 User Manual
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Datakom DKM-407 User Manual

Datakom DKM-407 User Manual

Din rail type network analyzer
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DKM-407 User Manual
DESCRIPTION
The DKM-407 is a DIN rail mounted precision
and low cost unit allowing measurement and
remote monitoring of AC parameters of a
distribution panel.
The unit is supplied between L1 and Neutral
terminals. Thanks to the supply range of 85-
305V, it is not affected by voltage fluctuations
and is capable of operating in any network.
The unit features an 32-bit ARM core
microcontroller. With a sampling rate of
4096s/s it reaches 0.5% precision.
The unit provides 1 programmable digital
input and 1 programmable relay output.
Input/output functions are selected from a list.
The isolated RS-485 MODBUS RTU data
port is not affected by ground potential
differences.
Program parameters may be uploaded from
a PC.
DKM-407
DIN RAIL TYPE
NETWORK ANALYZER
●
True RMS measurements
●
0.5 % measurement precision
●
Total harmonic distortion display
●
Demand, Min and Max records
●
Fully isolated RS-485 serial port
●
MODBUS-RTU communications
●
Programmable relay output
●
Energy pulse output capability
●
Isolated, programmable digital input
●
kW and kVAr energy counters
●
Hours run counter
●
VT ratio for medium voltage applications
●
Front panel programming
●
Wide operating temperature range
●
2 part connectors
MEASURED PARAMETERS
1
FEATURES
V-1.1

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Summary of Contents for Datakom DKM-407

  • Page 1 DIN RAIL TYPE NETWORK ANALYZER DESCRIPTION FEATURES ● True RMS measurements The DKM-407 is a DIN rail mounted precision ● and low cost unit allowing measurement and 0.5 % measurement precision remote monitoring of AC parameters of a ● Total harmonic distortion display distribution panel.
  • Page 2 DKM-407 Kullanım Kılavuzu V-1.1 SAFETY NOTICE Failure to follow below instructions will result in death or serious injury  Electrical equipment should be installed only by qualified specialist. No responsibility is assured by the manufacturer or any of its subsidiaries for any consequences resulting from the non-compliance to these instructions.

  • Page 3: Table Of Contents

    DKM-407 Kullanım Kılavuzu V-1.1 TABLE OF CONTENTS Section 1. INSTALLATION 1.1. FRONT PANEL VIEW 1.2. MECHANICAL INSTALLATION 1.3. ELECTRICAL INSTALLATION 2. PUSHBUTTON FUNCTIONS 3. DISPLAY NAVIGATION 4. DEVICE CONFIGURATION 4.1. INTRODUCTION 4.2. RESETTING DEMAND VALUES 4.3. RESETTING ENERGY COUNTERS 4.4.

  • Page 4: Installation

    DKM-407 Kullanım Kılavuzu V-1.1 1. INSTALLATION Before installation:  Read the user manual carefully, determine the correct connection diagram.  Install the unit to the DIN rail.  Make electrical connections with plugs removed from sockets, then place plugs to their sockets.

  • Page 5: Front Panel View

    DKM-407 Kullanım Kılavuzu V-1.1 1.1 FRONT PANEL VIEW...

  • Page 6: Electrical Installation

    DKM-407 Kullanım Kılavuzu V-1.1 1.3 ELECTRICAL INSTALLATION Do not install the unit close to high electromagnetic noise emitting devices like contactors, high current busbars, switchmode power supplies and the like. Although the unit is protected against electromagnetic disturbance, excessive disturbance can affect the operation, measurement precision and data communication quality.
  • Page 7 DKM-407 Kullanım Kılavuzu V-1.1 1.4 CONNECTION DIAGRAM...

  • Page 8: Pushbutton Functions

    DKM-407 Kullanım Kılavuzu V-1.1 2. PUSHBUTTON FUNCTIONS Three buttons on the front panel provide access to configuration and measurement screens. BUTTON FUNCTION Selects display context  THD display  Minimum values display  Maximum values display  Demand display  If all leds are off then actual measurements display.

  • Page 9: Display Navigation

    DKM-407 Kullanım Kılavuzu V-1.1 3. DISPLAY NAVIGATION button will select the display context and buttons will navigate between possible values of this context. Kilo/Mega (k/M) led will turn on if the displayed value is in kA/kV/MW/MVA/MVAr. TOTAL led will turn on when displaying total values.

  • Page 10: Device Configuration

    DKM-407 Kullanım Kılavuzu V-1.1 4. DEVICE CONFIGURATION 4.1 INTRODUCTION In order to offer the maximum flexibility to the user, the unit has several configurable parameters.  Device Configuration  Input / Output Configuration  Default display configuration  Input Configuration ...

  • Page 11: Resetting Energy Counters

    DKM-407 Kullanım Kılavuzu V-1.1 4.2 RESETTING DEMAND VALUES Parameter value: 0: No action 1: Reset Demand values Setting this parameter to 1 will reset demand values. The parameter value is not stored into memory and reads always 0. 4.3 RESETTING ENERGY COUNTERS...

  • Page 12: Resetting Alarms

    DKM-407 Kullanım Kılavuzu V-1.1 4.5 RESETTING ALARMS Parameter value: 0: No action 1: Reset alarms Setting this parameter to 1 will reset existing alarms. The parameter value is not stored into memory and reads always 0. 4.6 SETTING THE DEFAULT SCREEN Göstergeler...

  • Page 13: Setting The Current Transformer Ratio

    DKM-407 Kullanım Kılavuzu V-1.1 4.7 SETTING THE CURRENT TRANSFORMER RATIO This parameter sets the primary rating of current transformers. Current transformer secondary rating should be 5 Amps. The factory set default value is 500/5A. Acceptable values are 5/5A to 5000/5A.

  • Page 14: Setting High And Low Voltage Limits

    DKM-407 Kullanım Kılavuzu V-1.1 4.9 SETTING HIGH AND LOW VOLTAGE LIMITS This parameter sets the high limit for high voltage alarm. Only phase to neutral voltages are monitored and generate alarms. If the parameter is set to 0 then no high voltage alarm will occur.

  • Page 15: Setting High And Low Frequency Limits

    DKM-407 Kullanım Kılavuzu V-1.1 4.10 SETTING HIGH AND LOW FREQUENCY LIMITS This parameter sets the high limit for high frequency alarm. If the parameter is set to 0 then no high frequency alarm will occur. The factory set default value is 0...

  • Page 16: Setting High And Low Active Power Limits

    DKM-407 Kullanım Kılavuzu V-1.1 4.12 SETTING HIGH AND LOW ACTIVE POWER LIMITS This parameter sets the high limit for excess active power alarm. If the parameter is set to 0 then no excess active power alarm will occur. The factory set default value is 0 Acceptable values are 0 to 6500kW.

  • Page 17: Setting High And Low Reactive Power Limits

    DKM-407 Kullanım Kılavuzu V-1.1 4.13 SETTING HIGH AND LOW REACTIVE POWER LIMITS This parameter sets the high limit for excess reactive power alarm. If the parameter is set to 0 then no excess reactive power alarm will occur. The factory set default value is 0 Acceptable values are 0 to 6500kVAr.

  • Page 18: Setting High And Low Power Factor Limits

    DKM-407 Kullanım Kılavuzu V-1.1 4.14 SETTING HIGH AND LOW POWER FACTOR LIMITS This parameter sets the high limit for high cosø alarm. If the parameter is set to 0.000 then no high cosø alarm will occur. The factory set default value is 0.000 Acceptable values are 0.000 to 1.000...

  • Page 19: Configuring The Digital Input

    DKM-407 Kullanım Kılavuzu V-1.1 4.15 CONFIGURING THE DIGITAL INPUT This parameter sets the active status of the digital input signal. 0: input active when signal applied 1: input active when signal removed The input signal is 5 to 30V AC or DC applied between terminals with the polarity shown in the connection diagram.
  • Page 20 DKM-407 Kullanım Kılavuzu V-1.1 This parameter sets the function of the digital input. The factory set default value is 11. Value Function when signal active Function when signal passive kWh and kVArh counters increment no increment kWh and kVArh counters increment...

  • Page 21: Configuring The Relay Output

    DKM-407 Kullanım Kılavuzu V-1.1 4.16 CONFIGURING THE RELAY OUTPUT The relay output is a combination of 4 different input functions. The combination logic is explained in the next picture. Each of 4 available functions is selected from the below list. Unused functions should be left as 0.
  • Page 22 DKM-407 Kullanım Kılavuzu V-1.1 The relay output is the combination of 4 functions defined above. Thus various combined functions may be attributed to the relay output. This parameter defines how functions are combined in order to generate the relay output.
  • Page 23 DKM-407 Kullanım Kılavuzu V-1.1 4.17 ALARM DELAY This parameter defines the delay between an alarm condition occurs and the device gives the alarm. It defines also the delay between an alarm condition is removed and the alarm goes off. Factory set value is 0.

  • Page 24: Modbus Parameters

    DKM-407 Kullanım Kılavuzu V-1.1 4.18 MODBUS PARAMETERS This is the Modbus node address of the device. Each device in a Modbus network must have a different node address. Factory set value is 0. Adjustment range is 0 to 255. This parameter defines the bit rate used in Modbus communication.

  • Page 25: Energy Pulse Output (Kwh, Kvarh) Parameters

    DKM-407 Kullanım Kılavuzu V-1.1 4.19 ENERGY PULSE OUTPUT (kWh, kVArh) PARAMETERS If any of the 4 relay functions explained in chapter 4.16 is set to 2 (kWh pulse) or 3 (kVArh pulse) then the relay output will provide energy increment pulses conformally to below settings.

  • Page 26: Displaying The Firmware Version

    DKM-407 Kullanım Kılavuzu V-1.1 4.20 DISPLAYING THE FIRMWARE VERSION The device firmware version is displayed as shown in the lefthand figure. P2.7 indicates that the firmware version is 2.7. The firmware version will be required by the manufacturer together with any technical support request.

  • Page 27: Lamp Test

    DKM-407 Kullanım Kılavuzu V-1.1 4.22 LAMP TEST When all required parameters are programmed hold pressed together both buttons for 2 seconds. This will exit the configuration menu and perform a display test. Check that all displays and leds are turned Press any button to exit LAMP TEST and return to normal operating mode.

  • Page 28: Modbus Communications

    DKM-407 Kullanım Kılavuzu V-1.1 5. MODBUS COMMUNICATIONS 5.1. DESCRIPTION The unit offers serial data communication port allowing it to be integrated in automation systems. The serial port is of RS-485 MODBUS-RTU standard. It is fully isolated from power supply and measurement terminals for failure-free operation under harsh industrial conditions.
  • Page 29 DKM-407 Kullanım Kılavuzu V-1.1 The normal response will be: Byte Description Value Controller address same as in the query Function code Data lenght in bytes (L) number of registers * 2 High byte of 1st register Low byte of 1st register...
  • Page 30 DKM-407 Kullanım Kılavuzu V-1.1 Here is the sequence to write the value 0010h to the register 40h (64 decimal): 01 06 00 40 00 10 89 D2 (each byte is expressed as 2 hexadecimal characters) The checksum value in the above message may be used for the verification of checksum...

  • Page 31: Commands

    DKM-407 Kullanım Kılavuzu V-1.1 Error codes Only 3 error codes are used: 01: illegal function code 02: illegal address 10: write protection (attempt to write a read_only register) Data types Each register consists of 16 bits (2 bytes) If the data type is a byte, only the low byte will contain valid data. High byte is don’t care.

  • Page 32: Program Parameters

    DKM-407 Kullanım Kılavuzu V-1.1 5.3. PROGRAM PARAMETERS ADRESS NAME DESCRIPTION LENGTH DATA TYPE COEF Default screen See chapter 4.6. 16 BIT unsigned word CT ratio See chapter 4.7. 16 BIT unsigned word VT ratio See chapter 4.8. 16 BIT unsigned word High voltage limit See chapter 4.9.

  • Page 33: Measurements And Controller Records

    DKM-407 Kullanım Kılavuzu V-1.1 5.4. MEASUREMENTS AND CONTROLLER RECORDS ADRESS NAME DESCRIPTION LENGTH DATA TYPE COEF 20480 Phase L1 voltage 32 BIT unsigned long 20482 Phase L2 voltage 32 BIT unsigned long 20484 Phase L3 voltage 32 BIT unsigned long...
  • Page 34 DKM-407 Kullanım Kılavuzu V-1.1 ADRESS NAME DESCRIPTION LENGTH DATA TYPE COEF 20540 Phase L1 voltage MIN 32 BIT signed long 20542 Phase L2 voltage MIN 32 BIT signed long 20544 Phase L3 voltage MIN 32 BIT signed long 20546 Phase L1-L2 voltage MIN...
  • Page 35 DKM-407 Kullanım Kılavuzu V-1.1 ADRESS NAME DESCRIPTION LENGTH DATA TYPE COEF 20594 Phase L1 voltage MAX 32 BIT signed long 20596 Phase L2 voltage MAX 32 BIT signed long 20598 Phase L3 voltage MAX 32 BIT signed long 20600 Phase L1-L2 voltage MAX...
  • Page 36 DKM-407 Kullanım Kılavuzu V-1.1 LED status register is 16 bits long. Each bit shows the status of one led. BIT NO: DESCRIPTION k/M (Kilo/Mega) Relay Frequency (Hz) Total (Sum) Demand kVArh kVAr Amperes (A) Phase-Phase Voltages (VLL) Phase-Neutral Voltages (VLN) Button status register is 16 bits long.
  • Page 37 DKM-407 Kullanım Kılavuzu V-1.1 Alarm status register is 16 bit long. Each bit shows tha status of an alarm. BIT NO: DESCRIPTION High voltage Low voltage High Frequency Low Frequency High current High kW Low kW High kVAr Low kVAr...

  • Page 38: Technical Specifications

    Installation: DIN rail mounted Dimensions: 70x115x66mm (WxHxD) Weight: 200 g (approximative) EU Directives: Reference 2006/95/EC (LVD) standards: 2004/108/EC EN 61010 (safety) (EMC) EN 61326 (EMC) DATAKOM Elektronik Ltd. Tel: +90-216-466 84 60 Fax: +90-216-364 65 65 e-mail: datakom@datakom.com.tr http: www.datakom.com.tr...

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