6
VLT is a registered Danfoss trademark
Power switch. Two position on/off power switch.
Portal address label. Identifies factory-set or default portal
addresses.
Port connectors label. Identifies factory-settings for
communication ports 1 and 2. Default setting for port 1 is
unassigned. Default setting for port 2 is EIA-485.
24 VAC connector. Input power for BACLink module.
Format button. Normally not used with BACnet. Contact the
Danfoss Graham service department for information on its use to
clear factory-set programming.
Address rotary switches. Rotary switches used to set BACLink
portal network addresses. Set addresses 01-99 with DIP switch 5
in the +0 position. Set addresses 100-199 with DIP switch 5 in the
+100 position.
Port 1. Preferred port for ARCnet connection. Selectable for
ARCnet or 2-wire EIA-485. Set DIP switch 4 (Port 1) to Other to
enable linking drives with EIA-485 wiring. Set DIP switch 4 (Port
1) to ARC156 for use as ARCnet connector. (See DIP switches.)
Figure 1. BACLink Portal
LED indicators. Status indicator lights for functions as labeled.
Access port. Utility port for factory programming, set up, and to
assign the IP address. The access port cannot be used as a
communication point or to download memory to the BACLink.
DIP switches. Two position switches used to enable selection of
IP address, module address, and network type. Sw1 and Sw2
are disabled in VLT communication applications.
Keypad/Display port. Access port for optional keypad.
Port 2. Preferred port for EIA-485 connection to the VLT drives.
The terminal is jumper selectable for 2-wire/4-wire EIA-485 or
EIA-232. Default setting is EIA-485 (2-wire).
Port 2 configuration jumpers. Jumper placement determines
the configuration for EIA-485 (2-wire), EIA-485 (4-wire), or
EIA-232 communication for Port 2. Default is EIA-485 2-wire.
Ethernet port. Ethernet network connector supports 10baseT
network communication with BACLink.
Power
Run
Error
Port 1 Transmit
Port 1 Receive
Port 2 Transmit
Port 2 Receive
Link
Lan
Shield
Net -
Net +
Port 1
Address
Format
Single Class 2
Source Only
24 VAC, 60-80 Hz
7.2VA, 0.3A
Use Copper
Conductors Only
Open Energy
Management Equipment
Ethernet
10 baseT
Keypad/Display
Port
1432
O
N
Access
Port
Off/On
Default/Assigned
ARC156/Other
Address
+0 / +100
IP Addr
Port 1
Sw1
VLT
Æ
BACLink
ô
Ground
24 Vac
Power
Off On
2 wire 4 wire EIA-232
Net + Tx + Tx
Net -
Tx - Rx
n/c
Rx + DTR/RTS
n/c Rx - DCD/CTS
Signal Ground
EIA-485
EIA-232
485 - 4w
485 - 2w
10ës
1ës
Format Button
Addressing
Rotary Switches
Access Port
DIP Switches
Keypad/Display Port
Port 2
Port 2
Configuration
Jumpers
Ethernet
6"
1"
7
1
/
20
"
1
/
5
"
Port 1
LED Indicators
24 VAC
Power Switch
Depth: 1
5
/
8
"
BACnet
Assigned IP Address
Port 2
Port 1
Connection
Connection
Portal Address Label
Port Connectors Label
Port
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