FieldServer FS-8700-21 instruction manual Hardware Connections, Service Pin

FS-8700-21 LonWorks Manual Page 7 of 62

4HARDWARE CONNECTIONS

LonWorks devices are available with several different physical interfaces. The screw plug supplied with the FieldServer LonWorks interface will connect the FieldServer to the FTT-10 network. The 9 pin D-connector can also be used to connect to the network (FS-B4011 only). 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. The connection diagram below shows how the FieldServer FS-B2011, FS-B30 and FS-B4011 are connected to a LonWorks network:

To other

LonWorks

Nodes

FS-X20

orFieldBus

FS-X30Connector

To other

LonWorks

Nodes

To other

LonWorks

Nodes

Pin 1

DB 9 Connector

Pin 2

FS-X40

FieldBus

Connector

To other

LonWorks

Nodes

Configure the remote LonWorks devices according to manufacturer’s instructions.

4.1Service Pin

The service pin is used to commission the FieldServer onto the network using a LonWorks Network Management tool. On FS- B2011 and FS-B4011 FieldServers the node’s unique Neuron ID will be displayed on the Error Screen of the Ruinet utility with every service pin press.

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