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Technical content

Features

EMM provides all the advantages of modern active power monitoring. The active-power input of a drive system or another 3-phase load is calculated every 6.6 ms from three currents, voltages, and the phase angle. Currents greater than 5 A are led to the module via transformers. The load is switched by a separate switching element. In this way, the EMM reliably protects connected loads – regardless of their current consumption – against overload and underload and provides continuous status monitoring. Switching thresholds, signaling thresholds, and four configurable confirmation outputs provide motor and system protection. All relevant values can be viewed via the integrated display of the configuration software or a fieldbus interface: – Apparent power, active power, and reactive power – Currents and voltages – Phase angle – Operating cycle counter and elapsed-hour meter – Power meter The integrated memory can be used to record complete curves, which can be used, for example, in the system documentation. Actuators and variable-speed drives, pumps, etc. are connected using the right rotation, left rotation, reverse, and limit switch modes (with integrated restart inhibit) and at the same time are monitored and protected against dirt or wear. The EMM W 3/5-500-EX is specially designed for use in the chemical and petrochemical industry. A corresponding ex-type examination certificate is available. Technical Data Input Data Module supply UN 24 V DC ±20% Maximum current consumption 80 mA Control voltage right/left 24 V DC ±20% Current consumption right/left 7 mA Switching output supply 24 V DC ±20% Input current 2 A Input wiring LED, diode for protection against polarity reversal, surge protection Electronic Motor Management

2 102145_00_en Power Measurement Voltage input V1, V2, V3 110 V AC - 575 V AC, 50/60 Hz Nominal current at 550 V AC 6 mA Input wiring RCV circuit Current measuring input L1/T1, L2/T2, L3/T3 5 A AC, maximum Maximum cable length between the transformer and EMM 5 m (16.40 ft.) at 2.5 mm 2(14 AWG)/3 m (9.84 ft.) at 1.5 mm2 (16 AWG) Output Data Confirmation outputs O1, O2, O3, O4 with 1 signal UN - 1 V/50 mA, maximum Switching output OL, OR with 1 signal U N /2 A Free-wheeling diode, surge protection, protected against short circuits and overloads General Data Housing dimensions (length x width x height) 107 mm x 62 mm x 120 mm (4.213 x 2.441 x 4.724 in.) Insulating housing version Polycarbonate (PC), color: green Test voltage I/O 2.5 kV rms Ambient operating temperature range -20°C to +60°C (-4°F to +140°F) Standards/specifications EN 61000-4-2/DIN EN 61000-4-2/VDE 0847-4-2; EN 61000-4-3/DIN EN 61000-4-3/VDE 0847-4-3; EN 61000-4-4/DIN EN 61000-4-4/VDE 0847-4-4; EN 61000-4-5/DIN EN 61000-4-5/VDE 0847-4-5; EN 61000-4-6/DIN EN 61000-4-6/VDE 0847-4-6; IEC 60664/IEC 60664 A/DIN VDE 0110 Safe isolation input/output DIN EN 50178 (VDE 0160) Degree of protection according to IEC 60529/EN 60529/DIN VDE 0470-1 IP20 Mounting position Vertical (DIN rail horizontal) Mounting Can be mounted with spacing ≥ 20 mm (0.787 in.) Safety Data EU-type examination according to ATEX X II (2) GD PTB 03 ATEX 3114 Requirement class according to DIN V 19251 AK4 Category according to EN 60954-1 3

102145_00_en 3 Connection Data Figure 1 Connection data The following cable cross sections can be connected: Block Diagram Figure 2 Block diagram Solid [mm 2] Stranded [mm 2] AWG Stripping Length L [mm] 0.2 - 6 0.2 - 4 25 - 10 8 mm (0.31 in.) Logic µP V.24 (RS-232)

24 V DC

4 102145_00_en Connection Versions Switching Element The EMM has two switching outputs with 24 V DC/2 A to control these switching elements. Figure 3 Connection version 1: Conductor currents < 5 A, without external current transformers Depending on the application, an electromechanical contactor or a contactor-type reversing starter combination, or an electronic load relay or a reversing-load relay should be used to actually switch the load. Voltage measurement Current measurement Control Current measurement

2 A switching

V.24 (RS-232) Supply Left rotation Separate switching element Right rotation GND fir- EMM W 3/5-500 EX Left rotation Right rotation Module supply Confir- mation outputs

102145_00_en 5 Current Transformer The primary nominal current is determined by the current consumption of the device (see Figure 4). Figure 4 Connection version 2: Conductor currents > 5 A, with external current transformers Separate current transformers should be used for currents greater than 5 A. Transformers with a secondary nominal current of 5 A should be selected. Control Voltage measurement Current measurement Current measurement

2 A switching output

Separate switching element Right rotation GND V.24 (RS-232) Left rotation Right rotation Module supply Confir- mation outputs EMM W 3/5-500 EX

6 102145_00_en © PHOENIX CONTACT 01/2005 Technical modifications reserved PHOENIX CONTACT GmbH & Co. KG Flachsmarktstr. 8

32825 Blomberg

+49 - 52 35 - 30 0 +49 - 52 35 - 34 12 00 www.phoenixcontact.com Worldwide Locations: www.phoenixcontact.com/salesnetwork Ordering Data Description Order Designation Order No. Electronic motor management EMM W 3/5-500-EX 29 63 68 2 For marking systems and assembly material, see CLIPLINE catalog. Make sure you always use the latest documentation. It can be downloaded from www.download.phoenixcontact.com.