20
Technical Data
Use of external power supply:
Contact inputs (terminals 81-84) Passive, auxiliary power supply required
Terminal voltage Max. 30 V, nominal 12 V
Internal power supply (terminals 21/22)
Current consumption Nominal ~ 2 mA
Isolation voltage Max. galvanic separation 276 V
rms
Supply voltage 20 V for 30 mA
Connection for Use of Internal Auxiliary Voltage
When the analog input of the FCXI module
is not used, the internal transmitter power
supply can be used to supply the contact
inputs with power.
21 22 81 82 83 84
Power supply
Contact inputs
mA
Figure 4.12
Connection of module
FCXI as an integral
power supply
Expansion Module FCYP
Digital interface Profibus PA:
98 PA
99 PA+
Profibus
98
99
Figure 4.13
Connection of module
FCYP