Endress+Hauser Proline Prosonic Flow 93 Function Manual page 72

7 Block OUTPUTS
72
➞
OUTPUTS PULSE/FREQUENCY OUTPUT (1...2)
OUTPUT SIGNAL Example for output configuration PASSIVE-POSITIVE:
(Continued) Output configuration with an external pull-down resistance. In the quiescent state (at
zero flow), a positive voltage level is measured via the pull-down resistance.
m
n
o
p
In the operating status (flow present), the output signal level changes from a positive
voltage level to 0 V.
Example for output configuration PASSIVE-NEGATIVE:
Output configuration with an external pull-up resistance. In the quiescent state (at zero
flow), the output signal level at the terminals is at a positive voltage level.
m
n
o
p
In the operating status (flow present), the output signal level changes from a positive
voltage level to 0 V.
(continued on next page)
Device functions Proline Prosonic Flow 93
Functional description
➞
CONFIGURATION (GENERAL/FREQUENCY)
U (V)
m
o
t
= Open Collector
= Pull-Down-Resistance
= Transistor activation in "POSITIVE" quiescent state (at zero flow)
= Output signal level in quiescent state (at zero flow)
U (V)
U (V)
m
o
t
= Open Collector
= Pull-Up-Resistance
= Transistor activation in "NEGATIVE" quiescent state (at zero flow)
= Output signal level in quiescent state (at zero flow)
U (V)
+ U = 30 V DC
max
U (V)
p
n
F06-xxxxxxxx-04-xx-xx-xx-001
t
F06-xxxxxxxx-04-xx-xx-xx-006
+ U = 30 V DC
max
n
U (V)
p
F06-xxxxxxxx-04-xx-xx-xx-002
t
F06-xxxxxxxx-04-xx-xx-xx-006
Endress+Hauser
t
t