Stepper motor terminal 50 V DC, 5 A, with incremental encoder KL2541
Error A, B
Enable, Stall det.
Turn CW, CCW
E1, E2 
C, Latch 
A, B 
Run LED 
Power contact
+24 V
Power contact 0 V
A, B
C, Latch
Sensor supply
E1, E2
A1, A2
B1, B2
Motor supply
50 V, 0 V
Top view 
Contact assembly 
extended shock and vibration range

KL2541 | Stepper motor terminal 50 V DC, 5 A, with incremental encoder

The KL2541 Bus Terminal is intended for stepper motors with medium 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 Bus Terminal. The stepper motor terminal KL2541 can be adjusted to the motor and the application by changing just a few parameters. 64-fold micro stepping ensures particularly quiet and precise motor operation. Together with a stepper motor, the KL2541 represents an inexpensive small servo axis.

Technical data KL2541 | KS2541 KL2541-0006
Technology Compact drive technology
Number of channels 1
Number of outputs 1 x stepper motor, encoder input
Number of inputs 2 x end position, 1 x encoder
Connection technology direct motor connection
Supply voltage electronics 24 V DC (via power contacts)
Supply voltage power 8…50 V DC (external)
Output current max. 5 A per channel
Encoder supply 24 V DC 5 V DC
Max. step frequency 125,000 steps/s
Step pattern full step, half step, up to 64-fold micro stepping
Current controller frequency approx. 25 kHz
Resolution approx. 5000 positions in typ. applications (per revolution)
Diagnostics LED error phase A and B, loss of step/stagnation, power, enable
Encoder input signal 5…24 V DC, 5 mA, single-ended
Input frequency max. 400,000 increments/s (with 4-fold evaluation)
Current consumption power contacts typ. 35 mA
Current consumption K-bus typ. 100 mA
Bit width in the process image input/output: 2 x 16 bit data + 1 x 8 bit control/status
Special features travel distance control, encoder input
Electrical isolation 500 V (K-bus/signal voltage)
Weight approx. 100 g
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
Pluggable wiring for all KSxxxx Bus Terminals
Approvals CE, UL
AS10xx Stepper motors 0.4 upto 5 Nm (standstill torque)
ZK47x4-04xx, ZK4000-xxxx Supply cables for Compact Drive Technology
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