Fluidwell F116-P - Menu 7 - Flowmeter; Menu 8 - Analog Output

FW_F116-P_M_v2201-01_EN.docx
Page 16
6.2
BATTERY MODE
The F116-P has two modes: operational or shelf.
After "shelf" has been selected, the F116-P can be stored for several
years; it will not process the sensor signal; the display is switched off but all
settings and totals are stored. In this mode, power consumption is
extremely low.
To wake up the F116-P again, press the SELECT/ key two times.
3.3.8 MENU 7 - FLOWMETER
7
FLOWMETER
7.1
SIGNAL A
With this setting the type of flowmeter A output is selected. The settings
with LP (low-pass) filter are used to apply a build-in noise reduction.
Selections "active pulse" offer a detection level of 50% of the supply
voltage.
TYPE OF SIGNAL
EXPLANATION
RESISTANCE
FREQ. / mVPP
REMARK
NPN
NPN input
100 kΩ pull-up
max. 6 kHz.
(open collector)
NPN - LP
NPN with low pass
filter
100 kΩ pull-up
max. 1.2 kHz.
(open collector) less
sensitive
REED
Reed-switch input
1 MΩ pull-up
max. 1.2 kHz.
REED - LP
Reed-with low pass
filter
1 MΩ pull-up
max. 120 Hz.
Less sensitive
PNP
PNP input
100 k pull-down
max. 6 kHz.
PNP - LP
PNP with low pass
filter
100 k pull-down
max. 1.2 kHz.
Less sensitive
NAMUR
NAMUR input
820  pull-down
max. 4 kHz.
External power
required
COIL-HI
High sensitive coil
input
-
min. 20 mV
pp
Sensitive for
interference!
COIL-HI (type ZF)
min. 10 mV
pp
COIL-HI (type ZG)
min. 5 mV
pp
COIL LO
Low sensitive coil
input
-
min. 80 mV
pp
Normal sensitivity
8-1 DC
Active pulse input
detection level 8.2 V
DC
3k9 
max. 10 kHz.
External power
required
12 DC
Active pulse input
detection level 12 V
DC
4 k
max. 10 kHz.
External power
required
24 DC
Active pulse input
detection level 24 V
DC
3 k
max. 10 kHz.
External power
required
7.2
SIGNAL B
Selects the output type of flowmeter B. For description of the options, see
explanation at menu 7.1 SIGNAL A.
3.3.9 MENU 8 - ANALOG OUTPUT
A linear 4-20 mA signal (option AB: 0-20 mA or option AU: 0-10 V) output signal is generated that
represents the (differential or summed) flow rate. The settings for the flow rate influence the analog
output directly. The relationship between the flow rate and the analog output is set with the following
settings.
8
ANALOG OUTPUT
8.1
OUTPUT
If the analog output is not used, select disable to minimize the power
consumption (e.g. save battery life-time).
Option AP: When a power supply is available but the output is disabled, a
3.5 mA signal will be generated.
8.2
RATE-MIN
Enter here the flow rate at which the output should generate the minimum
signal (0)4 mA or 0 V - in most applications at zero flow. The number of
decimals shown depend upon setup 2.3. The engineering units/time (e.g.
L/min) are dependent upon setup 2.1 and 2.2.