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EL7211 | EtherCAT Terminal, 1-channel motion interface, servomotor, 48 V DC, 4.5 A, resolver

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EL7211 | EtherCAT Terminal, 1-channel motion interface, servomotor, 48 V DC, 4.5 A, resolver

EL7211 | EtherCAT Terminal, 1-channel motion interface, servomotor, 48 V DC, 4.5 A, resolver

Power contact
+24 V
Power contact 0 V
Res. excitation 
+(R1), -(R2)
Res. sin +(S2), -(S4)
Res. cos +(S1), -(S3)
Motor phase U, V
Motor phase W
Motor brake +, GND
Load voltage 48 V, 
GND
Load voltage 48 V, 
GND
Top view 
Contact assembly 
EL7211 | EtherCAT Terminal, 1-channel motion interface, servomotor, 48 V DC, 4.5 A, resolver

EL7211 | EtherCAT Terminal, 1-channel motion interface, servomotor, 48 V DC, 4.5 A, resolver

Distributed Clocks: the integrated time management system in EtherCAT

Distributed Clocks: the integrated time management system in EtherCAT

The EL7211 servomotor EtherCAT Terminal with integrated resolver interface offers high servo performance in a very compact design for motors from the AM8100 and AM3100 series up to 4.5 A (Irms). The fast control technology, based on field-orientated current and PI speed control, supports fast and highly dynamic positioning tasks.

Monitoring of numerous parameters, such as overvoltage and undervoltage, overcurrent, terminal temperature or motor load via the calculation of a I²T model, offers maximum operational reliability. EtherCAT, as a high-performance system communication, and CAN-over-EtherCAT (CoE), as the application layer, enable ideal interfacing with PC-based control technology. The latest power semiconductors guarantee minimum power loss and enable feedback into the DC link when braking. 16 LEDs indicate status, warning and error messages as well as possibly active limitations.

Product status:

regular delivery

Product information

Technical dataEL7211
Technologycompact drive technology
Connection methoddirect motor connection + feedback
Number of inputs1 x feedback
Load typepermanent magnet-excited three-phase synchronous motor
Number of channels1
Number of outputs1 x servomotor, 1 x motor brake
Supply voltage electronics24 V DC (via power contacts)
Supply voltage power8…48 V DC (external)
Output current (rms)4.5 A
Peak current (rms)max. 9.0 A for 1 s
Performance increase
Rotating field frequency0…599 Hz
PWM clock frequency16 kHz
Current controller frequency32 kHz
Rated speed controller frequency16 kHz
Output voltage motor brake24 V DC
Output current motor brakemax. 0.5 A
Current consumption power contactstyp. 50 mA + holding current motor brake
Current consumption E-bustyp. 120 mA
Distributed clocksyes
Special featurescompact and system-integrated
Electrical isolation500 V (E-bus/field potential)
Weightapprox. 95 g
Operating/storage temperature0…+55°C/-25…+85°C
Relative humidity95%, no condensation
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
Protect. rating/installation pos.IP20/see documentation
Approvals/markingsCE, UL
Housing dataEL-24-2x16pin
Design formHD (High Density) housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)24 mm x 100 mm x 68 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Markinglabeling of the BZxxx series
Wiringsolid conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…1.5 mm²,
st*: 0.25…1.5 mm²,
f*: 0.14…0.75 mm²
Connection cross-section AWGs*: AWG28…16,
st*: AWG22…16,
f*: AWG26…19
Stripping length8…9 mm
Current load power contactsImax: 10 A

*s: solid wire; st: stranded wire; f: with ferrule

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