Parameter
[Units]
[kW]
[HP]
[V]
[Hz]
[A]
[RPM]
[Hz]
[s]
[s]
[RPM]
[Hz]
[RPM]
*
[Hz]
[RPM]
[Hz]
Par. 5-12
Terminal 27 Digital Input
Table 5.1: Quick Set-up parameters
*The display showing depends on choices made in par. 0-02
Motor Speed Unit
and par. 0-03
Regional Settings
. The default settings of par. 0-02
Motor
Speed Unit
and par. 0-03
Regional Settings
depend on which region of the world the adjustable frequency drive is supplied to but can be re-programmed
as required.
** Par. 5-40
, is an array, where one may choose between Relay1 [0] or Relay2 [1]. Standard setting is Relay1 [0] with the default choice
Alarm [9].
See the parameter description in the section
Commonly Used Parameters
.
For a detailed information about settings and programming, please see the
VLT HVAC Drive Programming Guide, MG.11.CX.YY
x=version number
y=language
NOTE!
If [No Operation] is selected in par. 5-12
Terminal 27 Digital Input
, no connection to +24 V on terminal 27 is necessary to enable start.
If [Coast Inverse] (factory default value) is selected in par. 5-12
Terminal 27 Digital Input
, a connection to +24 V is necessary to enable
start.
5.1.2 RS-485 Bus Connection
One or more adjustable frequency drives can be connected to a controller
(or master) using the standard RS-485 interface. Terminal 68 is connec-
ted to the P signal (TX+, RX+), while terminal 69 is connected to the N
signal (TX-, RX-).
If more than one adjustable frequency drive is connected to a master,
use parallel connections.
Figure 5.2: Connection example.
VLT
®
HVAC Drive Instruction Manual
5 Commissioning and Application Examples
MG.11.AB.22 - VLT
®
is a registered Danfoss trademark
5-3
5
