Connection

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Connection

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The valve cluster uses a two wire bus for the inter communication between the Master and the Slave

valves. The valves are connected in a daisy chain and the bus must be terminated on both sides by a

‘Terminating Resistor’ switch (TR). Refer to chapter: «Valve cluster address configuration».

 

 

ClusterConnection

 

Link Adapter

LinkAdapter

 

Link cable

LinkCable

RJ45 pinning: active pins 4 and 5

 

 

Pin

Description

1

not used

2

not used

3

not used

4

Data

5

Data

6

not used

7

not used

8

not used

 

 

VAT recommends a cable with the following specification:

 

Standard patch cable

Category 5 or higher

Double ended with shielded RJ45 connector

Straight through connection 1:1