Communications wiring
WSHP Open v3
CARRIER CORPORATION ©2021
Integration Guide
All rights reserved
20
4
Connect the LonWorks network to the LonWorks Option Card's 2-pin
Net
port.
NOTE
The 2-pin
Net
port provides TP/FT-10 channel compatibility. The TP/FT-10 or "Free Topology" network
type is
polarity insensitive
. Use 24 to 16 AWG twisted pair wire.
5
Turn
on
the WSHP Open's power.
6
Commission the controller for LonWorks communication. See instructions below.
Commissioning the controller for LonWorks communication
Before a device can communicate on a LonWorks network, it must be commissioned. Commissioning allows the
system integrator to associate the device hardware with the LonWorks system’s network layout diagram. This is
done using the
device’s unique Neuron ID.
A network management tool such as Echelon’s LonMaker is used to commission each device, as well as, to assign
addressing. Specific instructions regarding the commissioning of LonWorks devices should be obtained from
documentation supplied with the LonWorks Network Management Tool.
When a new device is first commissioned onto the LonWorks network, the system integrator must upload the
device’s External Interface File (XIF) information. LonWorks uses the XIF to determine
the points (network
variables) that are available from a device. The WSHP Open has a set of predefined network variables. These
variables can be bound or accessed by the Network Management Tool.
The
Browse
feature of the Network Management Tool allows you to read real-time values from the WSHP Open.
The Network Management Tool allows you to test integration prior to binding the controller's network variables to
other LonWorks nodes.
Troubleshooting LonWorks
Check the following to troubleshoot your WSHP Open:
1
Verify that the BAS and controller are both set to speak the LonWorks protocol by theComm Selector DIP
switches
DS3 - DS6
.
2
The BAS and the controller are both set for the same baud rate:
○
38.4k for LonWorks
○
Baud rate DIP switches DS2 and DS1
○
Obtain a Modstat of the controller. Scroll to the bottom of the page to
Network Communications
to view
the active protocol and baud rate.
3
BAS must be reading or writing to the proper point addresses on the controller.
4
Verify that the Comm Option Port is enabled on the controller. The Comm Option Port setting must be set via
SW3
(switch
DS7
). It should be in the ON position to enable LonWorks communication.
5
Verify that controller has been properly commissioned onto the LonWorks network. See
Commissioning the
controller for LonWorks communication
(page 20).
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