Agromatic ESR-NK Series, Installation And Operating Manual, Page: 62 / 98

6.2 Electrical connection 6 Electronic position controller ESR-NK (option)
56 Actuators NK and VK, Position Controller ESR-NK
6.2.1 Schematic diagram
Fig. 6.1: Schematic diagram ESR-NK
Standard:
M motor of the actuator
ESR-NK electronic position controller
SL limit switch CCW (left-hand) rotation
SR limit switch CW (right-hand) rotation
51, 52 setpoint input
54, 55 actual value output
Options:
S1, S2 auxiliary switch 1, auxiliary switch 2
Important information!
The auxiliary switches S1 and S2 must operate within an identical voltage
range. Mixing mains voltage and low voltage is not permitted.