Danfoss VLT HVAC Series User Manual

NOTE!
This parameter is active only when par.8-01
Control Site is set to [0] Digital and control word .
8-53 Start Select
Option: Function:
Select control of the adjustable frequency drive start function via the terminals (digital input) and/
or via the serial communication bus.
[0] Digital input Activates Start command via a digital input.
[1] Bus Activates Start command via the serial communication port or serial communication option.
[2] Logic AND Activates Start command via the serial communication bus/serial communication port, AND addi-
tionally via one of the digital inputs.
[3] * Logic OR Activates Start command via the serial communication bus/serial communication port OR via one of
the digital inputs.
NOTE!
This parameter is active only when par.8-01
Control Site is set to [0] Digital and control word .
8-54 Reverse Select
Option: Function:
Select control of the adjustable frequency drive reverse function via the terminals (digital input)
and/or via the serial communication bus.
[0] * Digital input Activates Reverse command via a digital input.
[1] Bus Activates Reverse command via the serial communication port or serial communication option.
[2] Logic AND Activates Reverse command via the serial communication bus/serial communication port, AND ad-
ditionally via one of the digital inputs.
[3] Logic OR Activates Reverse command via the serial communication bus/serial communication port OR via one
of the digital inputs.
NOTE!
This parameter is active only when par.8-01
Control Site is set to [0] Digital and control word .
VLT
®
HVAC Drive Programming Guide 3 Parameter Description
MG.11.C6.22 - VLT
®
is a registered Danfoss trademark 3-97
3

Danfoss VLT HVAC Series Specifications

General

Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short circuit
Communication Interfaces	Profibus, Ethernet
Cooling Method	Forced convection
Ambient Temperature	-10°C to +40°C
Enclosure Rating	IP20, IP21, IP55
Output Voltage	0 - 100% of supply voltage