Endress+Hauser PROline prosonic Flow 93 Documentation Technique page 21

PROline Prosonic Flow 93


Endress+Hauser
Input/output circuit
A
➁
Fig. 2: = input/output circuit cable

A = view A
Note:
The table below contains the values which depend on the type code (type of device).
Always remember to compare the type code in the table with the code on the name
plate of your device.
Transmitter Prosonic Flow 93***-******H****A
Terminals 20
+
Designation
Functional
values
Intrinsically
safe circuit
A
21 22 23
– + –
active: 24 V DC/25 mA
– – –
+ + + +
1 2 20 21 22 23 24 25 26 27
➁
24 25 26
+ – +
Pulse/frequency Current output
output

f = 2...10000 Hz active: 0/4...20 mA
(max. 250 mA/20 ms), R
L
>100 Ω
R passive: max. 30 V DC
L
passive: 30 V DC/
250 mA
no


–
27
–
HART

< 700 Ω
R
L
HART ≥ 250 Ω
no
7