What is connected in series with the hoist motor armature in an elevator system?

In an elevator system, the hoist motor armature is typically connected in series with the generator’s series field. This configuration is critical because the series field winding enhances the motor's performance by increasing the torque produced as the load changes. When the motor draws current, that same current flows through the series field, increasing the magnetic field strength produced by the field winding. This not only allows for better speed control of the elevator but also ensures the motor can handle variations in load effectively, which is particularly important during starting and stopping.

The other components mentioned play different roles within the elevator system. The operating panel is primarily focused on user interface functions, allowing passengers to select their desired floor. The control logic board processes inputs from the operating panel and other sensors to manage the operation of the motor and ensure the elevator functions correctly. The safety brake system is crucial for ensuring passenger safety, preventing uncontrolled descent, but it does not serve to modify the motor's performance in the way the series field does.

Therefore, understanding the connection of the hoist motor armature with the generator's series field is fundamental to grasping how torque is amplified in practical elevator systems, making this the correct answer.