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Lumel NS5 Service Manual

Synchronizing meter
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SYNCHRONIZING METER
NS5
SERVICE MANUAL

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Summary of Contents for Lumel NS5

  • Page 1 SYNCHRONIZING METER SERVICE MANUAL...

  • Page 2: Table Of Contents

    Connection of 10/100 BASE-T interface ..............24 8.3.2 Web Server ........................ 25 8.3.3 Modbus TCP/IP ......................27 MAP OF REGISTERS OF NS5 METER ..................27 10 FIRMWARE UPGRADE ......................32 11 ERROR CODES ........................33 12 TECHNICAL DATA ........................33 13 ORDERING CODES ........................36...

  • Page 3: Application

    NS5-09B User's manual APPLICATION The NS5 digital synchronizing unit has been designed for the synchronization of generators switched for parallel operation with the grid or with other generators with rated frequency of 50 or 60 Hz. Frequency differences, voltage values, and phase shifts are shown on a 3.5“...

  • Page 4: Basic Requirements, Operational Safety

    NS5-09B User's manual Fig.1, Meter set BASIC REQUIREMENTS, OPERATIONAL SAFETY In terms of operational safety the synchronizing unit meets the requirements of DIN EN 61010-1. Safety instructions: ● The meter installation and connection should be made by qualified personnel. All available protection requirements must be taken into consideration.

  • Page 5: Description Of The Instrument

    Housing dimensions 96 x 96 x 77 mm, mounting hole dimensions 92.5 x 92.5 mm. Outside the meter there are screw terminals that allow connection of external wires with a cross-section up to 2.5 mm Fig.3. Overall dimensions of NS5 meter DESCRIPTION OF THE INSTRUMENT 5.1 Voltage inputs Voltage inputs are galvanically isolated (internal transformers).

  • Page 6: External Connections Diagram

    NS5-09B User's manual 5.2 External connections diagram External connections are shown in Figures 4a, 4b. Ethernet (Option) Fig. 4a. Connections of the synchronizing unit - phase measurement voltages...

  • Page 7: Ns5 Programming

    NS5-09B User's manual Ethernet (Option) Fig. 4b Connections of the synchronizing unit - phase-to-phase measurement voltages NS5 PROGRAMMING 6.1 General description Fig.5 Front panel...
  • Page 8 NS5-09B User's manual NS5 synchronizing unit has 6 buttons and a graphical color display. Description of the front panel: units of displayed quantities V, Hz, ° kilo = 10 Indications of displayed parameters δf, δU, ϕ Input measuring signals: - network voltage, f S – network frequency, - generator voltage, f –...
  • Page 9 NS5-09B User's manual δU = 100 (U δf = 100 (f The phase shift of the generator voltage U relative to the network voltage U is expressed in degrees: ϕ =  (U )[ ° ] Fixed phase shift compensation: positive value means that the generator voltage U...

  • Page 10: Starting Operation

    -180..+180 6.2 Starting operation When power is turned on, the synchronizing unit displays the logo, NS5 meter name, version, current firmware version and MAC for versions with Ethernet, and then switches to measurement mode.

  • Page 11: Language Selection

    PARAMETERS During normal operation (Measurement) the unit displays and signals the values that characterize the state and the course of the generator synchronization process. The NS5 meter performs voltage measurement functions (voltage difference), frequency (frequency difference), and phase shift between the voltage signals of the network and the generator.
  • Page 12 NS5-09B User's manual Acceptable Relay lead Pulse mode Width of the Input signals Set defaults phase shift time switching BLK,START ∆ϕ [°] SYNC pulse [ms] permanent [ms] switching Active 000.0 switching Inactive pulse Relative Relative Phase shift Set defaults voltage frequency ∆ϕ...

  • Page 13: Measurement

    Measurement – normal meter operation. Values of quantities characterizing the state and the course of the synchronization process of the generator are displayed and signaled. The NS5 meter performs voltage measurement functions (voltage difference), frequency (frequency difference), and phase shift between the voltage signals of the network and the generator.
  • Page 14 NS5-09B User's manual Measurement Menu button min 3 sec. Button Buttons Select Select ◄▼▲► - values setting OK - approval Cancel - decline Fig.12, Screens of Parameter group Using the buttons we select a parameter and confirm it using the button...

  • Page 15: Relays

    (when the value is too high) or to the minimum value (when the value is too low). To configure NS5 synchronizing unit you can also use the free eCon software available at manufacturer’s website...
  • Page 16 NS5-09B User's manual Down switching acceptable ZL- Up switching acceptable ZL+ Acceptable phase shift Δϕ 0.0..20.0 [°] Relay lead/ delay time t SYNC [ms] -999..999 [ms] SYNC For positive values, the function acts as a relay switching lead. For negative values, the function acts as a relay switching delay.

  • Page 17: Ethernet

    NS5-09B User's manual signal status signal status a,b) SYNC relay energized after synchronization conditions are met signal status signal status c) SYNC relay not energized despite meeting d) SYNC relay not energized despite meeting synchronization conditions (START signal synchronization conditions (BLK signal did not blocked by BLK signal) change its status from "1"...

  • Page 18: Modbus

    NS5-09B User's manual Table 3 Parameter name range Notes / description Default value DHCP Deact./Act. Enabling/disabling DHCP Deact. client (the service of automatic acquiring the parameters of Ethernet interface IP protocol of the meter from external DHCP servers located within the same LAN network).

  • Page 19: Settings

    NS5-09B User's manual 7.6 Settings Select Settings group in the options and confirm by pressing the button Select Table 5 Parameter name Characteristic / Description Default value value Password 0 ... 9999 0 – off Language English, Polish, Deutsch English...

  • Page 20: Serial Interfaces

    8 SERIAL INTERFACES 8.1 RS485 INTERFACE – the list of parameters The implemented protocol is in accordance with the standard PI-MBUS-300 Rev G of Modicon Company. The list of serial link parameters of NS5 meter: ● ID 0xDF ● meter address 1..247,...
  • Page 21 NS5-09B User's manual Example 2 . Readout of 2 32-bit registers of float type as a combination of 2 16-bit registers starting with the register addressed 1B58h (7000) - registers values 10, 100. Request: Address of the Address of the register...
  • Page 22 NS5-09B User's manual Example 4 . Readout of 2 32-bit registers of integer type, starting with the register addressed 1D4Ch (7500) - registers values 10, 100. Request: Checksum Address Address of the Number of registers of the Function register device...

  • Page 23: Ethernet 10/100-Base-T

    20 62 2D 31 2E 30 36 20 8.3 Ethernet 10/100-BASE-T NS5 synchronizing units in the NS5-XX2XXXX version are equipped with Ethernet interface that allows for connection of the synchronizing unit (using RJ45 socket) to a local or global network (LAN or WAN). Ethernet interface allows to use network services implemented in the meter: web server, Modbus TCP/IP.

  • Page 24: Connection Of 10/100 Base-T Interface

    STP type (shielded) category 5 with RJ-45 connector with conductors colors (in accordance with the colors described in table 7) acc. to the following standard:  EIA/TIA 568A for both connectors at the so-called simple connection of NS5 to the network hub or switch, ...

  • Page 25: Web Server

    RJ45 slot pins 8.3.2 Web Server NS5 synchronizing unit provides its own Web server that allows remote monitoring of measured values and readout of the meter status. With the web page the user can:  obtain device information (serial number, execution code, firmware version, bootloader version, variant (standard or special), ...
  • Page 26 NS5-09B User's manual 8.3.2.1 General view Fig. 20. View of the meter WWW page 8.3.2.2 Selection of Web Server user The meter has two user accounts for the web server secured with an individual passwords:  user: ”admin”, password: ”admin” - access to configuration and the preview of parameters ...

  • Page 27: Modbus Tcp/Ip

    Modbus protocol frame (broadcast mode). 9 MAP OF REGISTERS OF NS5 METER In NS5 meter the data are placed in 16- and 32-bit registers. Process variables and parameters of the meter are located in the address space of registers in a manner dependent on the type of the variable.
  • Page 28 NS5-09B User's manual Table 10 Address Ope- of the Range Description Default rations register 4000 0…9999 Protection - password 4001 Reserved 4002 Reserved 4003 0..18 Primary voltage of transformer, two older bytes Primary voltage of transformer, two younger 4004 0..65535...
  • Page 29 NS5-09B User's manual Third and second byte (B3.B2) of meter subnet 4034 0...65535 65535 mask address, mask format: B3.B2.B1.B0 First and zero byte (B1.B0) of meter subnet 4035 0...65535 65280 mask address, mask format: B3.B2.B1.B0 Third and second byte (B3.B2) of meter default 4036 0...65535...
  • Page 30 NS5-09B User's manual Table 11 Address Ope- of the Range Description Default rations register 4400 Reserved 4401 0..65535 Identifier 4402 0..65535 Bootloader version x 100 4403 0..65535 Program version x100 4404 Reserved 4405 0..65535 Ordering code 1000 4406 0..65535 Nominal voltage x10...
  • Page 31 NS5-09B User's manual Table 12 Address of 16-bit Address of registers the register Operations Description Unit 2x16 1032/ 32 bits 2x16 3210 6000/8000 7500 Network voltage U 6002/8002 7501 Generator voltage U 6004/8004 7502 Network frequency f 6006/8006 7503 Generator frequency f...

  • Page 32: Firmware Upgrade

    NS5-09B User's manual 10 FIRMWARE UPGRADE NS5 meters have a feature that allows the user to upgrade the software using a PC with eCon software. Free eCon software and update files are available at www.lume.com.pl. Software update of the meter (firmware) can be performed via RS485 interface. The update is done in LUMEL UPDATER tab.

  • Page 33: Error Codes

    NS5-09B User's manual 11 ERROR CODES During operation of the meter, error messages may appear on the display. The causes of the errors are listed below. Error: - MEMORY FR, - CAL INP – displayed when the memory in the sync meter has been damaged.
  • Page 34 NS5-09B User's manual Refers to NS5-XXX01XX special version: 2 programmable relays, volt free NO contacts, resistive load 1 A / 300 V a.c. / d.c. Relay operate time 10 ms (max), Number of switchings: mechanical minimum 3 10 electric minimum 3 x 10 2 voltage inputs 20..250 V d.c./a.c.
  • Page 35 NS5-09B User's manual - short-term overload voltage inputs 5 sec. 2 Un - operation position - warm-up time 15 min. CR2032 Real-time clock battery: Additional errors: in % of intrinsic error - due to ambient temperature changes < 50 % / 10 °C - for THD >...

  • Page 36: Ordering Codes

    NS5-09B User's manual 13 ORDERING CODES Ordering code for NS5 synchronizing meter Table 14 Meter NS5 X Input voltage Un*: 50...150 V 150...400 V Interfaces: RS485 RS485 and Ethernet Power supply: 85..253 V a.c., 90..300 V d.c. 20..40 V a.c., 20..60 V d.c.
  • Page 37 NS5-09B User's manual NS5-09B...

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