Altometer
11
Notes:
- shorts for in/output functions:
CO= current output, PO=Pulse Output, SO= Status Output, CI= Control Input,
PA=Profibus PA, FF=Foundation Fieldbus, DP=Profibus DP
- all in/outputs are passive unless otherwise noted as active (a)
- n.c. is not connected.
2.3 EEx i connection of signal in/outputs
Following intrinsically safe signal in/outputs are available:
IO pcb
in/output functions
Ex i IO
Current HART
communication
Pulse / Status Output
Current Output, active
+ HART communication
EEx ia IIC
U
i
=30V, I
i
= 100 mA, Pi = 1,0 W
C
i
= 10nF, L
i
= negligibly low
EEx ia IIC
U
o
= 21 V, I
o
= 90 mA, P
o
= 0,5 W
linear characteristic
C
o
= 90 nF, L
o
=2,0 mH
C
o
= 110 nF, L
o
=0,5 mH
Ex i Option
Current Output
Pulse / Status Output /
Control Input
Current Output, active
EEx ia IIC
U
i
=30V, I
i
= 100 mA, Pi = 1,0 W
C
i
= 10nF, L
i
= negligibly low
EEx ia IIC
U
o
= 21 V, I
o
= 90 mA, P
o
= 0,5 W
linear characteristic
C
o
= 90 nF, L
o
= 2,0 mH
C
o
= 110 nF, L
o
= 0,5 mH
