# Models: Control block

- Integrator control block with a positive time constant T
- Proportional integral (PI) controller
- Limiter control block with constant bounds
- Algebraic equation
- Integrator control block with (positive) time constant T and non-windup limits on output
- Hysteresis control block
- Integrator control block with (positive) time constant T and non-windup variable limits on output
- Timer control block
- Absolute value of input
- Switch
- Proportional integral (PI) controller with non-windup limit on the integral term and limit on the proportional term
- Deadband control block
- Transfer function between an input and output one time constant
- Limiter control block with variable bounds
- Proportional integral (PI) controller with non-windup limit on the integral term