Hardware connections, Service pin, Neuron id – FieldServer LonWorks FS-8700-21 User Manual
Page 8: Lon led’s
FS-8700-21 LonWorks Manual
Page 8 of 72
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4
HARDWARE CONNECTIONS
The screw plug supplied with the FieldServer LonWorks interface will connect the FieldServer to the FTT-10 network. The 2-
wire twisted-pair connection to the network is polarity insensitive. The FTT-10 network is a free topology network which
supports star, loop and/or bus wiring connections. Please refer to the FTT-10A Free Topology Transceiver User’s Guide from
Echelon Corporation for recommended wiring practices if necessary. Additional information on cabling and junction boxes
that may be used in twisted pair LonWorks networks are detailed in the following Echelon Publication:
The connection diagram below shows how the FieldServer FS-B2011 and FS-B30 are connected to a LonWorks network:
FieldBus
Connector
To other
LonWorks
Nodes
To other
LonWorks
Nodes
FieldServer Interface
Configure the remote LonWorks devices according to manufacturer’s instructions.
4.1
Service Pin
The service pin is used to commission the FieldServer onto the network using a LonWorks Network Management tool. On FS-
B2011 the node’s unique Neuron ID will be displayed on the Error Screen of the Ruinet utility with every service pin press.
4.2
Neuron ID
The driver prints the Neuron ID on the Driver Message Screen as its starts. On FS-B2011 it is possible to print the Neuron ID
on the Error Screen at any time by pushing the Service Button on the side of the FieldServer. On all platforms, the driver can
store the Neuron ID in a Data Array so that it can be read by a Client node – Refer also to Appendix C.5.
4.3
Lon LED’s
The location of the Lon LED varies between FieldServers. Please consult the Start-up guide for the FieldServer in question.
Lon LED is consistent with the table below for all FieldServers. Note that the LED does not indicate Lon communications, but
is a Service LED coupled with the Service Pin which indicates whether the LonWorks interface on the FieldServer is configured
or not. It asks for service when flashing and indicates a problem when flashing as described below:
The LED is solid ON when the neuron is blank or has a hardware failure
The LED blinks as 0.5s intervals when the neuron has not been configured with address information (no Lon DCC loaded)
The LED is OFF when a Lon DCC is loaded.