Stepper motor terminal 24 V DC, 1.5 A, with incremental encoder, vector control EL7037
Power contact
+24 V
Power contact 0 V
24 V Encoder 
Motor A1 
Motor B1 
+24 V 
+24 V 
Input 1 
B
Latch
0 V Encoder
Motor A2
Motor B2
0 V
0 V
Input 2
Top view 
Contact assembly 
extended shock and vibration range

EL7037 | Stepper motor terminal 24 V DC, 1.5 A, with incremental encoder, vector control

The EL7037 EtherCAT Terminal is intended for stepper motors with low performance range. The PWM output stages cover a wide range of voltages and currents. Together with two inputs for limit switches, they are located in the EtherCAT Terminal. The EL7037 can be adjusted to the motor and the application by changing just a few parameters. With its torsion-proof, integrated encoder (1,024 inc/rev), the AS2000 stepper motor is ideal for the closed-loop control of the EL7037.

Technical data EL7037
Technology direct motor connection
Number of outputs 1 stepper motor, 2 phases, 1 brake configurable (0.5 A)
Number of inputs 2 limit position, 4 for an encoder system
Load type uni- or bipolar stepper motors
Nominal voltage 24 V DC (-15 %/+20 %)
Power supply 24 V DC via the power contacts, via the E-bus
Output current max. 1.5 A (overload- and short-circuit-proof)
Max. output current 1.5 A (overload- and short-circuit-proof)
Performance increase Yes, through ZB8610 fan cartridge
output current with ZB8610 max. 3.0 A (overload- and short-circuit-proof)
Max. step frequency 1000, 2000, 4000, 8000 or 16,000 full steps/s (configurable)
Step pattern 64-fold micro stepping
Current controller frequency approx. 30 kHz
Diagnostics LED error phase A and B, loss of step/stagnation, power, enable
Resolution approx. 5000 positions in typ. applications (per revolution)
Electrical isolation 500 V (E-bus/signal voltage)
Current consumption power contacts typ. 50 mA
Current consumption E-bus typ. 100 mA
Distributed clocks yes
Encoder input signal 5…24 V DC, 5 mA, single-ended
Pulse frequency max. 400,000 increments/s (with 4-fold evaluation)
Special features travel distance control, encoder input, vector control
Operating/storage temperature 0…+55 °C/-25…+85 °C
Relative humidity 95 %, no condensation
Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4
Protect. class/installation pos. IP 20/see documentation
Approvals CE, UL
Accessories  
EL9576 brake chopper terminal, 72 V, 155 µF
AS2021-wDy0 stepper motor, 50 V DC, 0.8 Nm standstill torque, 2.0 A standstill current
Cables, gears and couplings accessories for AS2000 stepper motors
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