Danfoss ECL 2000 User guide

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Application Sheet

Lit. No.

VY7FB102

Date:

2000-02-04

ECL 2000/Comfort – LON Network Free Topology

Heat Meter

Main station

ECL Comfort 200/300

ECL 2000

ECL Comfort 200/300

ECL 2000

ECL Comfort 200/300

Analog/Digital I/O

(Temp

., Flow, Contacts, etc.)

I/O Module

Terminator

ECL 2000

LON

The FTT system (Free Type Topology) is

designed to support free topology wiring,

and will accommodate bus, star, loop or any

combination of these topologies. FTT-10

transceivers can be located at any point

along the network wiring. High capability

simplifies system installation and makes it

easy to add nodes to expand the system.

Limitations:

Maximum total cable length 500 m.

Requires 1 terminator, connected some-

where.

If the cable length exceeds 500 m, a physi-

cal repeater (maximum one) or a logical

router has to be connected for every 500

meters of the cable.

What do I need?

• 1 Network Terminator

If bindings between ECL 2000/Comfort, Heat Meter, etc. are desired or visualisation possibili-

ties of data from the network:

• PC (Laptop)

• Interface between LON network and the PC

• Binding tool

• Visualisation software incl. Drivers