Honeywell Q7055A User Manual download pdf (Page 19)

BUILDING NETWORK ADAPTER BNA-1C/2CS/2DN

EN1B-0198GE51 R0801 19

5 Connections

This chapter describes how to connect power and

the field bus to the BNA device.

Together with the BNA device, a supply pack with

installation material is delivered containing the

required connectors for power and field bus.

5.1 Power Connection

For the BNA device an external power supply with

the following specification is required:

18-24V AC (50...60Hz) or 18-24V DC.

Power consumption of the BNA device is 5VA

(connected via 10BaseT, twisted pair) or 12VA

(connected via AUI, 10Base5).

For the power connection, the 2 pole Phoenix

connector is required (included). If an off-the-shelf

power supply is used, cut off the original connector

at the end of the cable. Then strip the two cable

ends and insert each cable end into the openings of

the 2 pole Phoenix connector. Fasten them with a

screwdriver.

The polarity (+/-) of the 2 pole Phoenix power

connector for DC power supplies is don’t care.

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Honeywell Q7055A User Manual Page 19