Rear Side - Honeywell Q7055A Installation Instructions Manual

2.2

Rear Side

Differences between the various BNA types are
explicitly noted in the corresponding element
description.
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EN1B-0198GE51 R1004B
BUILDING NETWORK ADAPTER BNA-1C/2CS/2DN
Ch2
3-pin connector for field bus channel 2
connection electrically isolated meets the
EMC-and FCC-requirements.
Field Bus wiring is described in chapter 5.2
Field Bus Connection (Ch1 / Ch2) on Page 20.
N O T E :
The Ch2 field bus connector is
available on two-channel devices only. It is
not available on a BNA 1C device.
Ch1/Ch2 Bus Termination Switches
These switches are used to select between
different field bus terminations. For a detailed
description of the different Bus Termination
Switch positions, please refer to chapter
5.3 Bus Termination Switch on Page 20.
N O T E :
option is available on BNA 1C and BNA 2CS
devices only.
The Bus Termination Switch near the Ch2
field bus connector is available on two-
channel devices only. It is not available on a
BNA 1C device.
The Bus Termination Switch
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