Architecture arch{
    Group {
        name = "environment"

        Port env_no_objPresent {
            name = "no_objPresent"
        }
        Port env_objPresent {
            name = "objPresent"
        }
        Port env_cmdDown {
            name = "cmdDown"
        }
        Port env_cmdNeutral {
            name = "cmdNeutral"
        }
        Port env_cmdUp {
            name = "cmdUp"
        }
    }

    Group {
        name = "plant"

        Port plant_up {
            name = "up"
        }
        Port plant_neutral {
            name = "neutral"
        }
        Port plant_down {
            name = "down"
        }
        Port plant_interrupt {
            name = "interrupt"
        }
        Port plant_objPresent {
            name = "objPresent"
        }
        Port plant_no_objPresent {
            name = "no_objPresent"
        }
        Port plant_objDetected {
            name = "objDetected"
        }
        Port plant_no_objDetected {
            name = "no_objDetected"
        }
    }

    Group {
        name = "control"

        Port plant_cmdDown {
            name = "cmdDown"
        }
        Port plant_cmdNeutral {
            name = "cmdNeutral"
        }
        Port plant_cmdUp {
            name = "cmdUp"
        }
        Port plant_up {
            name = "up"
        }
        Port plant_down {
            name = "down"
        }
        Port plant_neutral {
            name = "neutral"
        }
        Port plant_interrupt {
            name = "interrupt"
        }
        Port plant_objDetected {
            name = "objDetected"
        }
        Port plant_no_objDetected {
            name = "no_objDetected"
        }
    }

    Connects (env_no_objPresent, plant_no_objPresent) {}
    Connects (env_objPresent, plant_objPresent) {}
    Connects (env_cmdDown, control_cmdDown) {}
    Connects (env_cmdNeutral, control_cmdNeutral) {}
    Connects (env_cmdUp, control_cmdUp) {}

    Connects (plant_objDetected, control_objDetected) {}
    Connects (plant_no_objDetected, control_no_objDetected) {}
    Connects (plant_interrupt, control_interrupt) {}

    Connects (control_up, plant_up) {}
    Connects (controL_neutral, plant_neutral) {}
    Connects (control_down, plant_down) {}
}