Safety Informations
Observe instructions!
The device described in these instructions shall only be installed by a qualified electrician according to both EN 50110-1/-2 and IEC 60364. Before startup, check the
device for any damage that may have occurred during shipping. The device shall not be put into operation in the event of mechanical damage. Observe in the use of the
device the applicable laws, standards and regulations. Only install this device in dry rooms. Do not install the devices on or in the vicinity of easily flammable materials.
Improper use and failure to follow these instructions for use will render the warranty or guarantee null and void. The device is maintenance-free when used correctly.
Warning! Protection against electric shock.
For applications with high working voltages, take measures to prevent accidental contact and make sure that there is sufficient distance or insulation between adjacent
devices! High voltage can cause electric shock or burns. Switch off all power to the device prior to performing any installation, repair or maintenance work.
Caution!
Be sure to take protective measures against electrostatic discharge (ESD).
The devices must be disposed of a proper manner!
More information at www.mueller-ziegler.de.
Conformity
The device conforms to the requirements of the EMC Directive 2014/30/EU, the Low Voltage Directive 2014/35/EU, as well as the RoHS Directive 2011/65/EU.
Components of the product contain the following substance > 0.1 mass percent of the candidate list (SVHC) according to REACh Regulation 1907/2006: Lead, CAS No
7439-92-1, EC No 231-100-4.
Application
The measuring converter Multi-E4-MU serves for the simultaneous conversion and separation of current, voltage, frequency, active power, reactive power, appare nt power and the
power factor with sinusoidal shape of curve in 4 load independent direct current and direct voltage signals. The measurement is possible in alternating current systems and three or
four wire three phase alternating current systems with equal or any other loading. The 29 quantities being measured can be displayed, stored and configured through an 10MBits/s
Ethernet LAN interface on the PC. The internal memory of the transmitter, up to 13,000 measured values can be stored. Further more, you can show the measurement results via a
web browser or via HTTP-, TCP/IP- or Modbus TCP-protocol to process and read. Two further outputs can be used as limit values or impulse outputs. The switching status of the
limit value outputs or impulse outputs is indicated over two LED's.
Function
The parameters to be measured pass over current and voltage converters to a 22 bit AD-converter with a sampling frequency of >20 kSPS. A microcontroller calculates the values
required for the outputs from the values picked up. The output values for current and voltage are effective values. The frequency is calculated from the period of the voltage signal
of the phase L1. The effective power values are calculated from the products of the sensed values of current and voltage of the three phases. The reactive power of the three
phases is calculated with the products of the sensed values of the currents and the 90°-shifted voltage signals. The apparent power is the sum of the products from the three
effective values of current and voltage. The power factors are calculated from the apparent powers and the effective powers.
The output amplifier delivers load independent direct current and direct voltage signals. The output signals are galvanic separated from the input signals and the auxiliary voltage,
but they are connected to one another through a common grounded wire. The outputs are no load and short circuit proof. The two limit values or impulse outputs are galvanically
separated from all inputs and outputs and from the auxiliary voltage. An auxiliary voltage is required.
Technical Data
Input Data
Input variable
alternating current, alternating voltage, frequency, active power, reactive power, apparent power and power factor in the alternating
current system, four wire and three wire three phase alternating current systems with equal or any other loading, one or two sided
energy directions, configurable
Rated current
2 A and 6 A
Current range
0,3-10 A, configurable
Rated voltage
100 V ... 750 V
Voltage range
40-750 V, configurable
Rated frequency
50 Hz
Frequency range
40-80 Hz
Energy consumption
for each current path 0.06 VA at 1 A, 0.3 VA at 5 A
for each voltage path 0.02 VA at 100 V, 1 VA at 750 V
Overload permanent
voltage max 750 V, current max. 12 A
High surge load
voltage 1000 V 1 s, current 240 A 1 s
Output Data
Analog outputs
0-10 mA, 0-20 mA, 4-20 mA, -20 – 0 – 20 mA/0-500 Ohm load and
0-5 V, 0-10 V, 2-10 V, -10 – 0 – 10 V/ max. 13 mA load
resolution 12 Bit, outputs configurable, 4 x unipolar/bipolar, if both outputs are used simultaneously, the maximum load on the
voltage output is 1 mA, Imax < 40 mA, Umax < 24 V
Load influence
nein
Residual ripple
< 100 mVss
Universal-Transducer Multi-E4-MU
Müller + Ziegler GmbH, Industriestr. 23, 91710 Gunzenhausen
Tel. +49 (0)9831 5004-0
www.mueller-ziegler.de
info@mueller-ziegler.de
05.03.2024
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