Johnson Controls FX-PCX2721 Installation Instructions Manual page 11

Table 2: Termination details
Type of field Type of
device Input/
Output
Temperature UI
Sensor
Voltage Input - UI
External Source
Voltage Input - UI
Internal Source
Voltage Input UI
(Self-Powered)
Current Input - UI
External Source
(Isolated)
Current Input - UI
Internal Source
(2-wire)
Termination diagrams
FX-PCX2721 Expansion Input/Output Module Installation Instructions 11