SINEAX DME 424/442
21Pages

Application The SINEAX DME 4 series of multi-transducers (Fig. 1) simultaneously 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 nameplates. The transducer fulfils all the essential requirements and regulations concerning electromagnetic compatibility (EMC) and safety (IEC 1010 resp. EN 61 010). It was developed and is manufactured and tested in strict accordance with the quality assurance standard ISO 9001. Features / Benefits • Simultaneous measurement of several variables of a heavy-current 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, storage for: 20 years • Windows software with password protection for programming, data analysis, power system status simulation, acquisition of meter data and making settings • AC/DC power supply / Universal • Provision for either snapping the transducer onto top-hat rails or securing it with screws to a wall or panel Measured variables Camille Bauer

Meaning Input current AC current L1 AC current L2 AC current L3 Rated value of the input current Average value of the currents (I1 + I2 + I3) / 3 Average value of the currents and sign of the active power (P) 1 = Input transformer 2 = Multiplexer 3 = Latching stage 4 = A/D converter 5 = Microprocessor 6 = Electrical i nsulation 7 = D/A converter 8 = Output amplifier/latching stage 9 = Digital output (open-collector) 10 = Programming interface RS-232 11 = Power supply RMS value of the current with wire setting range (bimetal measuring function) Response time for IB Slave pointer function for...

DIN 43864 Current interface for the transmission of impulses between impulse encoder counter and tarif meter UL 94 Tests for flammability of plastic materials for parts in devices and appliances Continuation of “Technical data” see on next page! Camille Bauer

Analog outputs O-For the outputs A, B, C and D: 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 circuits (floating). 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...

Bent characteristic: Duration of the measurement cycle: Approx. 0.25 to 0.5 s at 50 Hz, depending on measured variable and programming Response time: 1 ... 2 times the measurement cycle Factor c (the highest value applies): 5550 V, inputs versus all other circuits as well as outer surface 3250 V, input circuits versus each other 3700 V, power supply versus outputs and SCI as well as outer surface 490 V, outputs and SCI versus each other and versus outer surface Power supply —O AC/DC power pack (DC and 50 ... 60 Hz) Table 1: Rated voltages and tolerances Consumption: < 9 W resp. <...

Max. wire gauge: < 4.0 mm2 single wire or Vibration withstand (tested according to DIN EN 60 068-2-6) Acceleration: Frequency range: Number of cycles: ± 2 g 10 ... 150 ... 10 Hz, rate of frequency sweep: 1 octave/minute 10 in each of the three axes Result: No faults occurred, no loss of accu racy and no problems with the snap fastener Ambient conditions Variations due to ambient temperature: Nominal range of use for temperature: Operating temperature: Storage temperature: Annual mean relative humidity: Altitude: ± 0.1% / 10 K 0.15.30.45 °C (usage group II) - 10 to + 55 °C -40 to + 85...

Table 3: Ordering information for SINEAX DME 442 with 4 analog and 2 digital outputs Camille Bauer

Table 4: Programming for types DME 424 and 442

* Where the power supply is taken from the measured voltage, the transmitter only operates in the range U = 0.8 Ur ... 1.2 Ur and the specified accuracy is only guaranteed in the range U = 0.9 Ur ... 1.1 Ur. Camille Bauer

Camille Bauer

Camille Bauer

Camille Bauer

Camille Bauer

Measuring input System/ application Connect the voltage according to the following table for current measurement in L2 or L3: Current transformer Connect the voltage according to the following table for current measurement in L2 or L3: Current transformer Connect the voltage according to the following table for current measurement in L2 or L3: Current transformer Camille Bauer

Measuring input System / application Connect the voltage according to the following table for current measurement in L2 or L3: Current transformer ©©©©©©© Camille Bauer

SINEAX DME 424/442 Programmable Multi-Transducers Measuring inputs System / application 3 single-pole insulated voltage transformers in high-voltage system 4-wire 3-phase asymmetric load, Open Y connection Low-voltage system 2 single-pole insulated voltage transformers in high-voltage system Fig. 5. Active power PF ––––, reactive power QF ------, power factor LF – - – - –.