5
Assembly Instructions
enCore FC1
Operating Instructions
Page 69 of 97
Characteristics:
•
two galvanically isolated input safe circuits for HF- or LF pulse
sensor;
passive isolated pulse amplifier integrated in the inputs
•
a galvanically isolated input safe circuit for the direction signal;
a passive isolated pulse amplifier integrated in the inputs
•
maximum input signal:
24 V DC
6 mA
•
switching point
− > 15 V DC:
(1)
− < 6.5 V DC:
(0)
•
maximum input frequency:
5 kHz
•
maximum cable length depending on the operating mode:
− message:
500 m
− HF (up to 2 kHz):
250 m
− HF (up to 5 kHz):
100 m
Hints on parameterization
Branch
<device> – Basic System – I/O boards –
Board <x>: MFE7
Set following values:
•
channel
D1+ GND
: type
HF pulse input channel A
− parameter
Flow
direction detection
: value
On
•
channel
D2+ GND
: type
HF pulse input channel B