Installation
6
i-Vu Open Link
Wiring specifications
For...
Use...
Ethernet
Maximum Length
CAT5e or higher Ethernet cable
328 feet (100 meters)
MS/TP
22 or 24 AWG, low-capacitance, twisted,
stranded, shielded copper wire
*
2000 feet (610 meters)
*
See the
MS/TP Networking and Wiring Installation Guide
.
To connect the i-Vu Open Link to the Ethernet
Connect an Ethernet cable to the
Ethernet Port E1
.
To wire the MS/TP network on Port S1
1
Turn the i-Vu Open Link's power off.
2
Check the communications wiring for shorts and grounds.
3
Verify that the
Port S1
jumpers are set to
485-2w
.
4
Set the MS/TP baud rate DIP switches
1
and
2
to match the baud rate of the Open network. The default
is 76.8k.
5
Connect the i-Vu Open Link's
Port S1
to the Open/MS/TP network. Use the same polarity throughout the
network segment.
Wire this
Port S1 terminal
To this Open
controller terminal
Shield (Pin 1)
Shield
Net- (Pin 4)
Net-
Net+ (Pin 5)
Net+
6
Turn the i-Vu Open Link's power on.
To wire Modbus or LonWorks devices on Port S2
1
Turn off the i-Vu Open Link's power.
2
Check the communications wiring for shorts and grounds.
3
Wire the i-Vu Open Link's Port S2 to the third-party device, then set the S2 jumper. See table and notes
below.