Digital I/O Mode; Terminal 27 Mode; Terminal 29 Mode; Main Menu - Digital In/Out - Group - Danfoss VLT Programming Manual

®
VLT HVAC Drive Programming Guide

3.7 Main Menu - Digital In/Out - Group 5

3.7.1 5-** Digital In/Out
Parameter group for configuring the digital input and output.

3.7.2 5-0* Digital I/O Mode

Parameters for configuring the input and output using NPN and PNP.
5-00 Digital I/O Mode
Option:
[0] * PNP - Active at 24V
[1] NPN - Active at 0V
NB!
This parameter cannot be adjusted while the motor is running.

5-01 Terminal 27 Mode

Option:
[0] * Input
[1] Output
Please note that this parameter cannot be adjusted while the motor is running.

5-02 Terminal 29 Mode

Option:
[0] * Input
[1] Output
This parameter cannot be adjusted while the motor is running.
Function:
Digital inputs and programmed digital outputs are pre-programmable for operation either in PNP or
NPN systems.
Action on positive directional pulses (0). PNP systems are pulled down to GND.
Action on negative directional pulses (1). NPN systems are pulled up to + 24 V, internally in the
frequency converter.
Function:
Defines terminal 27 as a digital input.
Defines terminal 27 as a digital output.
Function:
Defines terminal 29 as a digital input.
Defines terminal 29 as a digital output.
MG.11.C9.02 - VLT ® is a registered Danfoss trademark
3 Parameter Description
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