User Guide

Table Of Contents
Honeywell BACnet Layout and Connections 35
11. Bacnet Fieldbus CJ Option Board Layout and Connections
Honeywell BACnet CJ option board is connected to the fieldbus through a 5-pin pluggable
bus connector.
The communication with the control board of the frequency converter takes place through the
standard Honeywell Interface CJ Option Board Connector.
Figure 16. Honeywell BACnet CJ option board OPT
Signal Connector Description
NC* 1* No connection
VP 2 Supply voltage – plus (5V)
RxD/TxD –N 3 Receive/Transmit data – A
RxD/TxD –P 4 Receive/Transmit data – B
DGND 5 Data ground (reference potential for
VP)
*You can use this pin (1) to bypass the cable shield to the next slave
Table 18. OPT-CJ bus connector signals
X4
X1
Bus connector
Jumpers Interface board connector
Grounding plate
1
2
3
4
5