Hazardous area supplement to the QuickStart
OPTIFLUX
12
4.3
EEx i signal I/O
connections
Following intrinsically safe signal I/Os are available:
I/O PCB
I/O functions
Ex i I/O
Current HART
communication
Pulse / Status Output
Current Output, active
+ HART communication
EEx ia IIC
Ui =30V, Ii = 100 mA, Pi = 1,0 W
Ci = 10nF, Li = negligibly low
EEx ia IIC
Uo = 21 V, Io = 90 mA, Po = 0,5 W
linear characteristic
Co = 90 nF, Lo =2,0 mH
Co = 110 nF, Lo =0,5 mH
Ex i Option
Current Output
Pulse / Status Output /
Control Input
Current Output, active
EEx ia IIC
Ui =30V, Ii = 100 mA, Pi = 1,0 W
Ci = 10nF, Li = negligibly low
EEx ia IIC
Uo = 21 V, Io = 90 mA, Po = 0,5 W
linear characteristic
Co = 90 nF, Lo = 2,0 mH
Co = 110 nF, Lo = 0,5 mH
Fieldbus I/O
Profibus-PA
Foundation Fieldbus
EEx ia IIC
Ui = 24 V, Ii = 380 mA, Pi = 5,32 W
Ci , Li = negligibly low,
suitable for connection to an
intrinsically safe fieldbus in
accordance with the FISCO-model