NR30IoT
6Pages

NR30 - RAIl MOUNTED POWER NETWORk METER NR30ioT- RAIl MOUNTED POWER NETWORk METER • Measurement of 54 power network parameters and current and voltage harmonics up to 63rd, in 1-phase 2-wire or 3-phase 3 or 4-wire balanced and unbalanced systems. • the Mqtt protocol is ideal for communication in distributed acquisition systems data - iot applications (nr30iot). • High accuracy class (0.2s for active energy). • Backlit lCD screen fully configurable by a user (22 views, 3 parameters in each). • For direct (up to 63A) and indirect measurement (x/1A or x/5A). • Indications considering values of programmed ratios. • Memory of minimum and maximum values. • 2 configurable alarm outputs. • Optional: with an additional module of analog outputs S4AO (max. 4 current or voltage outputs). • Digital output RS-485 - MODBUS protocol. • Archiving of up to 32 measured parameters in the internal memory 8 gB. • Modern and user-friendly ethernet interface 10/100 BASE-T: • protocol: MODBUS TCP/iP, HTTP, FTP, • protocol: MQTT (nr30iot), • services: www server, ftp server, DHCP client. • Programming of parameters through usb using free econ software. • Battery backup RTC. • Modular housing for S-rail according to EN 62208 (the meter has a width of 6 modules). • supervisory relay mode for alarm outputs (nr30 and nr30iot) • Mqtt protocol (for nr30) Remark: • To make functions active, order appropriate licence key – details in ordering code. EXAMPlE OF APPlICATION l1 l2 l3 MV switchgear NR30 modbus tcp/ip ethernet

nr30, NR30ioT - RAIl MOUNTED POWER NETWORk METER EXAMPlE OF APPlICATION NR30ioT local netWorK plant 1 local netWorK plant 2 local netWorK plant 3 local netWorK plant 4 MEASUREMENT AND VISUAlIZATION OF POWER NETWORk PARAMETERS • • • • • • • • • • • mean 3-phase voltage: US mean phase-to-phase voltage: Umf mean 3-phase current: IS 15, 30, 60 minutes’ mean active power: Pdemand mean apparent power Sdemand average current Idemand active, reactive and apparent 3-phase energy: EnP, EnQ, EnS active, reactive and apparent energy from external counter: EnPE total harmonic content coefficients for...

EVERYTHING COUNTS GALVANIC ISOLATION -available only with an additional S4AO module TECHNICAL DATAmeasuring ranges Measured value tr_I - Ratio of current transformer = Primary current of transformer / Secondary current of current transformer, tr_U - Ratio of voltage transformer = Primary voltage of transformer / Secondary voltage of voltage transformer,

EVERYTHING COUNTS

EVERYTHING COUNTS one screen dedicated to harmonics; indication of individual harmonic for voltages and currents (up to 63rd) ability to configure and update* NR30/NR30IoT with free eCon software (via RS-485, USB or Ethernet interface) *- update only via USB port

EVERYTHING COUNTS ORDERING CODE Meter NR30 X X input voltage (phase/phase-to-phase) Un: 3 x 57.7/ 100 V up to 3 x 100/ 170 V 3 x 230/ 400 V up to 3 x 400/ 690 V version: standard with S4AO*: 4 current outputs 0/4 .. 20 mA with S4AO*: 4 voltage outputs 0 .. 10 V with S4AO*: 4 outputs (2 groups 1 x 0..10 V + 1 x 0/4 .. 20 mA) supervisory relay custom-made** ORDERiNG WAY Of ADDiTIONAL fUNCTIQNS (SUPERVISORY RELAY, MQTT PROTOCOL) Important: When ordering, please provide the meter's execution code and serial number NR30IoT. It is placed on the meter's nominal plate, in the configuration menu in...