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VLT is a registered Danfoss trademark
VLT 2800 network connection
1.Connect signal wires to drive terminal 68 (P+) and terminal
69 (N-) on main control board of drive (see Figure 6).
2.If shielded cabling is used, observe standard shielding
practice by grounding shielded wiring at only one point in
system.
For additional wiring guidelines, see the procedures for specific
network-type connections in this manual.
NOTE
It is highly recommended to use shielded,
twisted-pair wires to reduce electrical noise
on drive communications. Ensure that
drive is grounded properly according to
instructions in the drive manual.
VLT 2800 BACnet start up
The BACLink portal will have factory default settings ready for
operation without user adjustment.
Parameters 500, 501 and 561 must be set as shown in Table
IV.
Other settings may be changed to meet application
requirements. The settings shown will serve as a good starting
reference. Refer to the
VLT 2800 Operating Instructions
for
details on changing parameters and programming the drive.
The appendix in this manual lists point maps for BACnet.
Changing VLT 2800 parameter data
Use the VLT
2800 keypad to access the Menu Mode and the 500
Group (serial communication) parameters. Enter or change
parameter data or settings in accordance with the following
procedure.
1.Press [Quick Menu] and [+] key at same time to enter menu
mode.
2.Use [+] and [-] keys to find parameter you chose to edit.
3.Press [Change Data] key.
4.Use [+] and [-] keys to select correct parameter setting.
5.Press [Change Data] key to accept change and enter new
setting or press [Quick Menu] key to disregard change.
6.Press [Quick Menu] key to return to display mode.
Parameter
Name
Setting
500 Address
001
501 Baud
rate
9600 BAUD (fixed at 9600 for N2 protocol)
502 Coasting
LOGIC OR
503
Quick stop
LOGIC OR
504 DC
brake
LOGIC OR
505 Start
LOGIC OR
506 Reversing
LOGIC OR
507 Select
setup
LOGIC OR
508 Select
speed
LOGIC OR
560
N2 Override release time
OFF
561 Protocol
METASYS N2
Table IV. VLT 2800 Serial Communication Startup Parameter Settings
The values in
bold
are
default values.
Figure 6. VLT 2800 Network Connection
68
67
70
69
N(-)
EIA-485
P(+)
EIA-485
