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Data sheet eurax dme 424/442

EURAX DME 424/442
Programmable Multi-Transducers

for the measurement of electrical variables in heavy-current power systems Application
The EURAX DME 4 series of multi-transducers (Fig. 1) simulta-neously measure several variables of an electric power system and process them to produce 2 resp. 4 analog output signals. 2 or 4 digital outputs are available for signalling limits or energy metering. For two of the limit outputs up to three measurands can be logically combined.
The multi-transducers are also equipped with an RS 232 serial interface to which a PC with the corresponding software can be connected for programming or accessing and executing useful ancillary functions.
The usual modes of connection, the types of measured variables, their ratings, the transfer characteristic for each output etc. are the main parameters that have to be programmed.
Ancillary functions include a power system check, provision for displaying the measured variably on a PC monitor, the simulation of the outputs for test purposes and a facility for printing name-plates.
Fig. 1. EURAX DME 424 as plug-in module for 19ʺ rack-mounted case, The transducer fulfi ls all the essential requirements and regulati- ons concerning electromagnetic compatibility (EMC) and Safety (IEC 1010 resp. EN 61 010).It was developed and is manufactu-red and tested in strict accordance with the quality assurance standard ISO 9001.
Features / Benefi ts
● Simultaneous measurement of several variables of a heavy-current ● For all heavy-current power system variables power system / Full supervision of an asymmetrically loaded four- wire power system, rated current 1 to 6 A, rated voltage 57 to 400 V (phase-to-neutral) or 100 to 693 V (phase-to-phase) ● Input voltage up to 693 V (phase-to-phase) ● Universal analog outputs (programmable) ● High accuracy: U/I 0.2%, P 0.25% (under reference conditions) ● Universal digital outputs (meter transmitter, limits) ● Up to 2 or 4 integrated energy meters, storage every each 203 s, ● Windows software with password protection for programming, data analysis, power system status simulation, acquisition of meter data ● Plug-in module (front plate width 14 TE) for 19˝ rack-mounted case / EURAX DME 424/442
Programmable Multi-Transducers

Average value of the currents (I1 + I2 + I3) / 3 Average value of the currents and sign of the active power (P) RMS value of the current with wire setting range Slave pointer function for the measurement of the 10 = Programming interface RS-232 11 = Power supply Fig. 2. Block diagram.
A, B, C, D = analog outputs; E, F, G, H = digital outputs.
Active power of the system P = P1 + P2 + P3 Active power phase 1 (phase-to-neutral L1 – N) Active power phase 2 (phase-to-neutral L2 – N) Active power phase 3 (phase-to-neutral L3 – N) Reactive power of the system Q = Q1 + Q2 + Q3 Reactive power phase 1 (phase-to-neutral L1 – N) Reactive power phase 2 (phase-to-neutral L2 – N) Reactive power phase 3 (phase-to-neutral L3 – N) Apparent power phase 1 (phase-to-neutral L1 – N) Apparent power phase 2 (phase-to-neutral L2 – N) Apparent power phase 3 (phase-to-neutral L3 – N) Rated value of the apparent power of the system Average value of the voltages(U1N + U2N + U3N) / 3 EURAX DME 424/442
Programmable Multi-Transducers
Technical data
Power factor of the system LF = sgnQ · (1 – ⏐PF⏐) Power factor phase 1 sgnQ1 · (1 – ⏐PF1⏐) Power factor phase 2 sgnQ2 · (1 – ⏐PF2⏐) Power factor phase 3 sgnQ3 · (1 – ⏐PF3⏐) Applicable standards and regulations
verting AC electrical variables into analog Current circuits 400 V single-phase AC system Safety regulations for electrical measuring, control and laboratory equipment IEC 1000-4-2, 3, 4, 6 Electromagnetic compatibility for in- Reliability of measuring and control equip- Basic environmental testing procedures, vibration, sinusoidal Electromagnetic compatibility of data processing and telecommunication equippment Limits and measuring principles for radio interference and information equipment Alternating current static watt-hour meters for active energy (classes 1 and 2) Current interface for the transmission of impulses between impulse encoder counter and tarif meter Tests for fl ammability of plastic materials for parts in devices and appliances Continuation of “Technical data" see on next page! EURAX DME 424/442
Programmable Multi-Transducers

Analog outputs
Reference conditions
Limits of output signal for input overload The outputs A, B, C and D may be either short or open-circuited. They are electrically insulated from each other and from all other System response
All the full-scale output values can be reduced subsequently using the programming software, but a supplementary error results.
The hardware full-scale settings for the analog outputs may also be changed subsequently. Conversion of a current to a voltage output or vice versa is also possible. This necessitates changing resistors on the output board. The full-scale values of the current and voltage outputs are set by varying the effective value of two parallel resistors (better resolution). The values of the resistors are selected to achieve the minimum absolute error. Calibration with the programming software is always necessary following conver- sion of the outputs. refer to the Operating Instructions. Caution: The warranty is void if the device is tampered with! Digital outputs, pulse outputs, limit outputs
The digital outputs conform to DIN 43 864. The pulse width can be neither programmed nor is there a hardware setting.
* Basic accuracy 0.5 c for applications with phase-shift EURAX DME 424/442
Programmable Multi-Transducers
5550 V, inputs versus all other circuits Power supply
100, 110, 230, 400, 500 or 693 V, ± 10%, 45 to 65 Hz Programming connector on transducer
The interface is electrically insulated from all Installation data
Infl uencing quantities and permissible variations
plug (contact fitting see section “Electrical connections”) EURAX DME 424/442
Programmable Multi-Transducers

Vibration withstand
Ambient conditions
Table 2: Ordering information for EURAX DME 424 with 2 analog and 4 digital outputs
Plug-in module for 19˝ rack-mounted case 50 Hz (60 Hz possible without additional error; 16 2/3 Hz, additional error 1.25 · c) 60 Hz (50 Hz possible without additional error; 16 2/3 Hz, additional error 1.25 · c) 16 2/3 Hz (not re-programming by user, 50/60 Hz possible, but with additional error 1.25 · c) Output A, Y2 (full-scale current Y2 [mA] 1 to 20) Output A, Y2 (full-scale voltage Y2 [V] 1 to 10) Output B, Y2 (full-scale current Y2 [mA] 1 to 20) Output B, Y2 (full-scale voltage Y2 [V] 1 to 10) EURAX DME 424/442
Programmable Multi-Transducers
All the programming data must be entered on Form W 2400 e (see appendix 1) and the form must be included with the order! Table 3: Ordering information for EURAX DME 442 with 4 analog and 2 digital outputs
Plug-in module for 19˝ rack-mounted case 50 Hz (60 Hz possible without additional error; 16 2/3 Hz, additional error 1.25 · c) 60 Hz (50 Hz possible without additional error; 16 2/3 Hz, additional error 1.25 · c) 16 2/3 Hz (not re-programming by user, 50/60 Hz possible, but with additional error 1.25 · c) Output A, Y2 (full-scale current Y2 [mA] 1 to 20) Output A, Y2 (full-scale voltage Y2 [V] 1 to 10) Output B, Y2 (full-scale current Y2 [mA] 1 to 20) Output B, Y2 (full-scale voltage Y2 [V] 1 to 10) Output C, Y2 (full-scale current Y2 [mA] 1 to 20) Output C, Y2 (full-scale voltage Y2 [V] 1 to 10) Output D, Y2 (full-scale current Y2 [mA] 1 to 20) Output D, Y2 (full-scale voltage Y2 [V] 1 to 10) EURAX DME 424/442
Programmable Multi-Transducers

All the programming data must be entered on Form W 2401 e (see appendix 2) and the form must be included with the order! Table 4: Programming for types DME 424 and 442
3-wire, 3-phase symmetric load, phase-shift U: L1-L2, I: L1* 3-wire, 3-phase symmetric load, phase-shift U: L3-L1, I: L1* 3-wire, 3-phase symmetric load, phase-shift U: L2-L3, I: L1* Lines U01 to U06: Only for single phase AC current or 4-wire, 3-phase symmetric load Without specifi cation of primary rating Specify transformer ratio prim./sec., e.g. 1000/5 A; 33 kV/110 V EURAX DME 424/442
Programmable Multi-Transducers
EURAX DME 424/442
Programmable Multi-Transducers

5. Measured variable, output A (continuation) Same as output A, but markings start with a capital B Same as output A, but markings start with a capital B Same as output A, but markings start with a capital B Same as output A, but markings start with a capital B Same as output A, but markings start with a capital C Same as output A, but markings start with a capital C Same as output A, but markings start with a capital C Same as output A, but markings start with a capital C Same as output A, but markings start with a capital D Same as output A, but markings start with a capital D Same as output A, but markings start with a capital D Same as output A, but markings start with a capital D EURAX DME 424/442
Programmable Multi-Transducers
System (capacitive) 0.1 ≤ Xi ≤ (4000 · 1 kVA / Sr) EURAX DME 424/442
Programmable Multi-Transducers

22. Output signal, output E (only for EA901 … EA947) 23. Pick-up delay, output E (only for EA901 … EA947) Same as output E, but markings start with a capital F Same as output E, but markings start with a capital F Same as output E, but markings start with a capital F Same as output E, but markings start with a capital G Same as output E, but markings start with a capital G EURAX DME 424/442
Programmable Multi-Transducers
Same as output E, but markings start with a capital G Same as output E, but markings start with a capital H Same as output E, but markings start with a capital H Same as output E, but markings start with a capital H Note: Up to three limits can be assigned to digital outputs G and H using the programming software.
Electrical connections
EURAX DME 424/442
Programmable Multi-Transducers

Connect the voltage according to the following table for current measurement in L2 or L3: Connect the voltage according to the following table for current measurement in L2 or L3: Connect the voltage according to the following table for current measurement in L2 or L3: EURAX DME 424/442
Programmable Multi-Transducers
Connect the voltage according to the following table for current measurement in L2 or L3: Connect the voltage according to the following table for current measurement in L2 or L3: EURAX DME 424/442
Programmable Multi-Transducers

3 single-pole insulated voltage transformers 2 single-pole insulated voltage transformers Fig. 5. Active power PF ––––, reactive power QF ------, EURAX DME 424/442
Programmable Multi-Transducers
Dimensional drawing
Table 5: Accessories
for SINEAX/EURAX DME 424, 440, 442,SINEAX DME 400, 401 and 406 on CD in German, English, French, Italian and Dutch In addition, the CD contains all confi guration programmes presently available for Camille Bauer Set for incorporation(incl. 1 coding strip, 3 coding pegsand 8 screws) LV edge connector plug and heavy current edge Fig. 6. EURAX DME 424/442, front plate width 14 TE.
connector socket for mounting in 19ʺ rack GTU 0509 resp. EURAX BT 901 wire-wrap posts,heavy current edge connector plugwith 0.5 m cable Standard accessories
soldering posts,heavy current edge connector plug 1 Operating Instructions for EURAX DME 424/442 in three 1 blank type label, for recording programmed settings Version with GTU front plate to order acc. to NLB 876.
Camille Bauer AGAargauerstrasse 7CH-5610 Wohlen / Switzerland e-Mail: info@camillebauer.comwww.camillebauer.com Subject to change without notice • Edition 08.08 • Data sheet DME 424/442-2 Le Appendix 1: PROGRAMMING FOR
EURAX TYPE DME 424

with 2 analog and 4 digital outputs
(see Data Sheet DME 424/442-2 Le, Table 4: “Programming for types DME 424 and 442”)

Appendix 2: PROGRAMMING FOR
EURAX TYPE DME 442

with 4 analog and 2 digital outputs
(see Data Sheet DME 424/442-2 Le, Table 4: “Programming for type DME 424 and 442”)

Source: http://www.n-biz.kr/datasheet/CB/Red/SM-DME42442EUR-DB__02-000808.pdf

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