Flexim FLUXUS G809, Operating Instruction

Page: 78 / 181

7 Connection
7.3 Outputs
FLUXUS G809
2020-06-25, UMFLUXUS_G809V2-2EN
78
intrinsically safe current output/
HART
G809**-A1A
current output U
i
= 30 V DC
I
i
= 100 mA
P
i
= 0.75 W
U
ext
≤ U
i
U
ext
> 0.022 A
.
R
ext
[Ω] + 7 V
≥ U
ext
/I
i
example:
U
ext
= 24 V
240 Ω ≤ R
ext
≤ 770 Ω
current during transmitter fault:
I
fault
= 3.2…3.5 mA
HART
frequency output
(open collector)
G809**-A1
G809**-F1
U
ext
= 5…30 V
R
c
[kΩ] = U
ext
/I
c
[mA]
I
c
= 2…100 mA
I
off
≤ 0.4 mA
frequency output
(open collector)
NAMUR
G809**-A1
G809**-F1
U
ext
= 8.2 V
R
c
= 1 kΩ
DIN EN 60947-5-6 (NAMUR)
frequency output
(open collector)
G809**-A1
G809**-F1
U
ext
= 5…24 V
R
c
[kΩ] = U
ext
/I
c
[mA]
I
c
= 1…4 mA
Tab. 7.13: Circuit of the outputs
output transmitter external circuit remark
internal circuit connection
The number, type and the connections of the outputs depend on the order.
R
ext
is the sum of all ohmic resistances in the circuit (e.g., resistance of the conductors, resistance of the amperemeter/voltmeter).
R
ext
min
I1: 1 (-)
I1: 2 (+)
mA
U
ext
+
-
ƒ
G
I1: 1 (-)
I1: 2 (+)
ƒ
G
mA
U
ext
+
-
F1: 2 (+)
F1: 1 (-)
V
R
c
U
ext
-
+
F1: 2 (+)
F1: 1 (-)
mA
V
R
c
U
ext
-
+
F1: 2 (+)
F1: 1 (-)
V
R
c
U
ext
-
+