HF012PEN_v0402_03 Atex_IECEx_CSA_FM
Page 27
Reed-switch:
The F012-P is suitable for use with flowmeters which have a reed-switch. To avoid pulse bounce
from the reed-switch, it is advised to select REED LP - low-pass filter (read par. 3.2.3.)
NAMUR-signal:
The F012-P is suitable for flowmeters with an Namur signal.
Terminal 7 can provide a 8.2V sensor supply voltage (please read section “sensor supply”).
INTERNAL EXTERNAL
Reed - switch signal input
6
Common ground unit
SIGNAL
5
GND
shielding
REED
SWITCH
+ 3.2V DC
1M
low-pass filter
selection REED-LP
INTERNAL EXTERNAL
Namur signal input
Common ground unit
shielding
Namur
820 Ohm
5
GND
7
Sensor supply 8.1V DC
6
SIGNAL