Johnson Controls FX-PCV Series, Installation Instructions Manual, Page: 10 / 22

Table 2: I/O terminal blocks, functions, ratings, requirements, and cables
Terminal block
label
Terminal
labels
Function, ratings, and
requirements
To determine wire size
and maximum cable
length
OCOM n Binary Output - 24 VAC Triac
(Internal Power)
Connects OCOM n to 24~ COM when
activated.
Internal Power Source:
30 VAC maximum voltage to load
0.5 A maximum output current
1.3 A at 25% duty cycle
Maximum 6 cycles/hour with M9220-
BGx-3
40 mA minimum load current
Analog Output - Voltage Mode (0–10
VDC)
10 VDC maximum output voltage
10 mA maximum output current
External 1k to 50K ohm load required
See Guideline A in Table
3.
CONFIGURABLE
(Outputs)
OUT n
Binary Output 24 VAC Triac
Connects OUT to OCOM when
activated.
External Power Source:
30 VAC maximum voltage to load
0.5 A maximum output current
1.3 A at 25% duty cycle
Maximum 6 cycles/hour with M9220-
BGx-3
40 mA minimum load current
See Guideline C in Table
3.
FX-PCV Programmable Variable Air Volume Box Controllers Installation Instructions 10