7 Connection
FLUXUS G722ST-HT
7.3 Outputs
65
UMFLUXUS_G722ST-HTV1-2EN, 2021-09-01
passive current output/HART
current output
U
ext
= 8…30 V
U
ext
> 0.024 A
.
R
ext
[Ω] + 8 V
example:
U
ext
= 30 V
R
ext
≤ 900 Ω
HART
U
ext
= 10…24 V
switchable current output
All switchable current outputs
are jointly switched to active or
passive in the menu item
Special functions\
Outputs
.
active current output
U
int
= 15 V
R
ext
< 250 Ω
passive current output
U
ext
= 8…30 V
U
ext
> 0.024 A
.
R
ext
[Ω] + 8 V
example:
U
ext
= 30 V
R
ext
≤ 900 Ω
voltage output
R
int
= 500 Ω
R
ext
> 2 MΩ
If R
ext
is smaller, the accuracy
is less than specified.
Tab. 7.9:
Output circuits
output
transmitter
external circuit
remark
internal circuit
connection
The number, type and 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 ammeter/voltmeter).
Px+
Px-
mA
U
ext
+
-
ƒ
G
Px+
Px-
ƒ
G
U
ext
mA
-
+
+
-
Px+
Px-
+
-
mA
Px+
Px-
mA
U
ext
+
-
R
int
Px+
Px-
+
-
V
