8 Connection
PIOX S72*
8.3 Outputs
83
UMPIOX_S72xV1-9EN, 2022-05-15
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 M
Ω
If R
ext
is smaller, the accuracy
is less than specified.
frequency output
TF7-
*721**-******-******
a
-*****-**
a
= U, V, D
U
ext
= 5…24 V
R
c
[k
Ω
] = U
ext
/ I
c
[mA]
I
c
= 1…4 mA
R
int
= 66.5
Ω
Tab. 8.11: Output circuits
output
transmitter
external circuit
explanation
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
R
int
Px+
Px-
R
c
V
U
ext
+
-
Содержание PIOX S72 Series
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