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23 May 2013
13
Accessing the Address Switches
1.
Rotate the internal drive, making sure not to touch the sensitive PCB, until the two address switches
can be seen through the internal cover.
2.
The address switches can now be rotated using a small flat screwdriver to the appropriate settings.
Address
Switches
Fig 6
Electrical Connections
1.
The External/Internal Pendant Mount Dome external connections are via an Amphenol connector
with 2 metre composite flying lead comprising of coax, power pair and RS-485 pair.
2.
If the lead needs to be extended it should be kept to a minimum and not exceed 25m.
The lead connections are as follows:
Specification Value
Red wire 24V AC live
Blue wire 24V AC Neutral
Yellow wire RS-485 `A’
Green wire RS-485 `B’
Coax screen BNC screen
Coax signal BNC centre pin