Johnson Controls F4-CVM03050-0 User Manual

FC bus terminal block (or N2 protocol as required)
The FC Bus terminal block is a blue, removable, 4-terminal plug that fits into a board-mounted pin
header.
Use a 3-wire twisted, shielded cable, as shown in Figure 4, to wire the removable FC Bus terminal
block plugs on the CVM and other controllers in a daisy-chain configuration. For more information
about FC Bus terminal functions, requirements, and ratings, see Table 4.
Figure 4: FC bus terminal block wiring
Note: The Shield terminal (SHLD) on the FC Bus terminal block is isolated and can be used to
connect the cable shields on the bus (Figure 4).
SA bus terminal block
The SA Bus terminal block is an orange, removable, 4-terminal plug with +15 VDC that fits into a
board-mounted jack.
Use a 4-wire twisted, shielded cable, as shown in Figure 5, to wire the removable SA Bus terminal
block plugs on the CVM and other SA Bus devices in a daisy-chain configuration. For more
information about SA Bus terminal functions, requirements, and ratings, see Table 4.
9F4-CVM VAV Terminal Equipment Controllers Installation Instructions

Johnson Controls F4-CVM03050-0 Specifications

General

Brand	Johnson Controls
Model	F4-CVM03050-0
Category	Controller
Language	English