Honeywell Q7055A user manual Rear Side, Ch1/Ch2 Bus Termination Switches

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

2.2Rear Side

Differences between the various BNA types are explicitly noted in the corresponding element description.

8Ch2

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.

Note : The Ch2 field bus connector is available on two-channel devices only. It is not available on a BNA 1C device.

9Ch1/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.

Note : The Bus Termination Switch 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.

EN1B-0198GE51 R0801 11