Vacon 100 hvac Applications Manual page 139

PARAMETER DESCRIPTIONS
When the contact is OPEN, the start of the motor is disabled.
When the contact is CLOSED, the start of the motor is enabled.
To stop, the drive obeys the value of P3.2.5 Stop Function.
NOTE!
The state of the drive remains in 'Not Ready' if the state of this signal is 'opened'.
P3.5.1.12 RUN INTERLOCK 1 (ID 1041)
Use this parameter to select the digital input signal that prevents to start the drive.
The drive can be ready but start is not possible when the state of the interlock signal is 'open'
(damper interlock).
P3.5.1.13 RUN INTERLOCK 2 (ID 1042)
Use this parameter to select the digital input signal that prevents to start the drive.
If an interlock is active, the drive cannot start.
You can use this function to prevent the start of the drive when the damper is closed. If you
activate an interlock during the operation of the drive, the drive stops.
P3.5.1.14 MOTOR PREHEAT ON (ID 1044)
Use this parameter to select the digital input signal that activates Motor Preheat function.
The Motor Preheat function feeds DC-current to the motor when the drive is in the stop state.
P3.5.1.15 PRESET FREQUENCY SELECTION 0 (ID 419)
Use this parameter to set the digital input signal that selects the preset frequencies.
P3.5.1.16 PRESET FREQUENCY SELECTION 1 (ID 420)
Use this parameter to select the digital input signal that is used as a selector for the preset
frequencies.
P3.5.1.17 PRESET FREQUENCY SELECTION 2 (ID 421)
Use this parameter to select the digital input signal that is used as a selector for the preset
frequencies.
To apply Preset frequencies 1 to 7, connect a digital input to these functions with the
instructions in Chapter 10.5.1 Programming of digital and analogue inputs. See more data in
Table 59 The selection of preset frequencies when P3.3.10 = Binary coded and also in Table 12
Control reference settings and Table 14 Digital input settings.
P3.5.1.18 TIMER 1 (ID 447)
Use this parameter to select the digital input signal that starts the timer.
The timer starts when this signal is deactivated (falling edge). The output is deactivated when
the time defined in the duration parameter has elapsed.
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